source: ntrip/trunk/BNC/src/combination/bnccomb.cpp@ 10607

Last change on this file since 10607 was 10599, checked in by stuerze, 2 weeks ago

ADDED: consideration of NAV type in all applications

File size: 48.4 KB
Line 
1/* -------------------------------------------------------------------------
2 * BKG NTRIP Client
3 * -------------------------------------------------------------------------
4 *
5 * Class: bncComb
6 *
7 * Purpose: Combinations of Orbit/Clock Corrections
8 *
9 * Author: L. Mervart
10 *
11 * Created: 22-Jan-2011
12 *
13 * Changes:
14 *
15 * -----------------------------------------------------------------------*/
16
17#include <newmatio.h>
18#include <iomanip>
19#include <sstream>
20#include <map>
21
22#include "bnccomb.h"
23#include <combination/bncbiassnx.h>
24#include "bnccore.h"
25#include "upload/bncrtnetdecoder.h"
26#include "bncsettings.h"
27#include "bncutils.h"
28#include "bncantex.h"
29#include "t_prn.h"
30
31const double sig0_offAC = 1000.0;
32const double sig0_offACSat = 100.0;
33const double sigP_offACSat = 0.01;
34const double sig0_clkSat = 100.0;
35
36const double sigObs = 0.05;
37
38using namespace std;
39
40// Constructor
41////////////////////////////////////////////////////////////////////////////
42bncComb::cmbParam::cmbParam(parType type_, int index_, const QString& ac_, const QString& prn_) {
43
44 type = type_;
45 index = index_;
46 AC = ac_;
47 prn = prn_;
48 xx = 0.0;
49 eph = 0;
50
51 if (type == offACgnss) {
52 epoSpec = true;
53 sig0 = sig0_offAC;
54 sigP = sig0;
55 }
56 else if (type == offACSat) {
57 epoSpec = false;
58 sig0 = sig0_offACSat;
59 sigP = sigP_offACSat;
60 }
61 else if (type == clkSat) {
62 epoSpec = true;
63 sig0 = sig0_clkSat;
64 sigP = sig0;
65 }
66}
67
68// Destructor
69////////////////////////////////////////////////////////////////////////////
70bncComb::cmbParam::~cmbParam() {
71}
72
73// Partial
74////////////////////////////////////////////////////////////////////////////
75double bncComb::cmbParam::partial(char sys, const QString& AC_, const QString& prn_) {
76
77 if (type == offACgnss) {
78 if (AC == AC_ && prn_[0].toLatin1() == sys) {
79 return 1.0;
80 }
81 }
82 else if (type == offACSat) {
83 if (AC == AC_ && prn == prn_) {
84 return 1.0;
85 }
86 }
87 else if (type == clkSat) {
88 if (prn == prn_) {
89 return 1.0;
90 }
91 }
92
93 return 0.0;
94}
95
96//
97////////////////////////////////////////////////////////////////////////////
98QString bncComb::cmbParam::toString(char sys) const {
99
100 QString outStr;
101
102 if (type == offACgnss) {
103 outStr = "AC Offset " + AC + " " + sys + " ";
104 }
105 else if (type == offACSat) {
106 outStr = "Sat Offset " + AC + " " + prn.mid(0,3);
107 }
108 else if (type == clkSat) {
109 outStr = "Clk Corr " + prn.mid(0,3);
110 }
111
112 return outStr;
113}
114
115// Singleton: definition class variable
116////////////////////////////////////////////////////////////////////////////
117bncComb* bncComb::instance = nullptr;
118
119
120// Constructor
121////////////////////////////////////////////////////////////////////////////
122bncComb::bncComb() : _ephUser(true) {
123
124 bncSettings settings;
125
126 _running = true;
127
128 QStringList cmbStreams = settings.value("cmbStreams").toStringList();
129
130 _cmbSampl = settings.value("cmbSampl").toInt();
131 if (_cmbSampl <= 0) {
132 _cmbSampl = 5;
133 }
134 _useGps = (Qt::CheckState(settings.value("cmbGps").toInt()) == Qt::Checked) ? true : false;
135 if (_useGps) {
136 _cmbSysPrn['G'] = t_prn::MAXPRN_GPS;
137 _masterMissingEpochs['G'] = 0;
138 }
139 _useGlo = (Qt::CheckState(settings.value("cmbGlo").toInt()) == Qt::Checked) ? true : false;
140 if (_useGlo) {
141 _cmbSysPrn['R'] = t_prn::MAXPRN_GLONASS;
142 _masterMissingEpochs['R'] = 0;
143 }
144 _useGal = (Qt::CheckState(settings.value("cmbGal").toInt()) == Qt::Checked) ? true : false;
145 if (_useGal) {
146 _cmbSysPrn['E'] = t_prn::MAXPRN_GALILEO;
147 _masterMissingEpochs['E'] = 0;
148 }
149 _useBds = (Qt::CheckState(settings.value("cmbBds").toInt()) == Qt::Checked) ? true : false;
150 if (_useBds) {
151 _cmbSysPrn['C'] = t_prn::MAXPRN_BDS;
152 _masterMissingEpochs['C'] = 0;
153 }
154 _useQzss = (Qt::CheckState(settings.value("cmbQzss").toInt()) == Qt::Checked) ? true : false;
155 if (_useQzss) {
156 _cmbSysPrn['J'] = t_prn::MAXPRN_QZSS;
157 _masterMissingEpochs['J'] = 0;
158 }
159 _useSbas = (Qt::CheckState(settings.value("cmbSbas").toInt()) == Qt::Checked) ? true : false;
160 if (_useSbas) {
161 _cmbSysPrn['S'] = t_prn::MAXPRN_SBAS;
162 _masterMissingEpochs['S'] = 0;
163 }
164 _useIrnss = (Qt::CheckState(settings.value("cmbIrnss").toInt()) == Qt::Checked) ? true : false;
165 if (_useIrnss) {
166 _cmbSysPrn['I'] = t_prn::MAXPRN_IRNSS;
167 _masterMissingEpochs['I'] = 0;
168 }
169
170 if (cmbStreams.size() >= 1 && !cmbStreams[0].isEmpty()) {
171 QListIterator<QString> it(cmbStreams);
172 while (it.hasNext()) {
173 QStringList hlp = it.next().split(" ");
174 cmbAC* newAC = new cmbAC();
175 newAC->mountPoint = hlp[0];
176 newAC->name = hlp[1];
177 newAC->weightFactor = hlp[2].toDouble();
178 newAC->excludeSats = hlp[3].split(QRegExp("[ ,]"), Qt::SkipEmptyParts);
179 newAC->isAPC = bool(newAC->mountPoint.mid(0,4) == "SSRA");
180 QMapIterator<char, unsigned> itSys(_cmbSysPrn);
181 // init
182 while (itSys.hasNext()) {
183 itSys.next();
184 char sys = itSys.key();
185 if (!_masterOrbitAC.contains(sys) &&
186 !newAC->excludeSats.contains(QString(sys), Qt::CaseSensitive)) {
187 _masterOrbitAC[sys] = newAC->name;
188 _masterIsAPC[sys] = newAC->isAPC;
189 }
190 }
191 _ACs.append(newAC);
192 }
193 }
194
195 QString ssrFormat;
196 _ssrCorr = 0;
197 QListIterator<QString> it(settings.value("uploadMountpointsOut").toStringList());
198 while (it.hasNext()) {
199 QStringList hlp = it.next().split(",");
200 if (hlp.size() > 7) {
201 ssrFormat = hlp[7];
202 }
203 }
204 if (ssrFormat == "IGS-SSR") {
205 _ssrCorr = new SsrCorrIgs();
206 }
207 else if (ssrFormat == "RTCM-SSR") {
208 _ssrCorr = new SsrCorrRtcm();
209 }
210 else { // default
211 _ssrCorr = new SsrCorrIgs();
212 }
213
214 _rtnetDecoder = new bncRtnetDecoder();
215
216 connect(this, SIGNAL(newMessage(QByteArray,bool)), BNC_CORE, SLOT(slotMessage(const QByteArray,bool)));
217 connect(BNC_CORE, SIGNAL(providerIDChanged(QString)), this, SLOT(slotProviderIDChanged(QString)));
218 connect(BNC_CORE, SIGNAL(newOrbCorrections(QList<t_orbCorr>)), this, SLOT(slotNewOrbCorrections(QList<t_orbCorr>)));
219 connect(BNC_CORE, SIGNAL(newClkCorrections(QList<t_clkCorr>)), this, SLOT(slotNewClkCorrections(QList<t_clkCorr>)));
220 connect(BNC_CORE, SIGNAL(newCodeBiases(QList<t_satCodeBias>)), this, SLOT(slotNewCodeBiases(QList<t_satCodeBias>)));
221
222 // Combination Method
223 // ------------------
224 if (settings.value("cmbMethod").toString() == "Single-Epoch") {
225 _method = singleEpoch;
226 }
227 else {
228 _method = filter;
229 }
230
231 // Initialize Parameters (model: Clk_Corr = AC_Offset + Sat_Offset + Clk)
232 // ----------------------------------------------------------------------
233 if (_method == filter) {
234 // SYSTEM
235 QMapIterator<char, unsigned> itSys(_cmbSysPrn);
236 while (itSys.hasNext()) {
237 itSys.next();
238 int nextPar = 0;
239 char sys = itSys.key();
240 int maxPrn = itSys.value();
241 // AC
242 QListIterator<cmbAC*> itAc(_ACs);
243 while (itAc.hasNext()) {
244 cmbAC* AC = itAc.next();
245 _params[sys].push_back(new cmbParam(cmbParam::offACgnss, ++nextPar, AC->name, ""));
246 for (int iGnss = 1; iGnss <= maxPrn; iGnss++) {
247 int flag = t_corrSSR::getSsrNavTypeFlag(sys, iGnss);
248 QString prn = QString("%1%2_%3").arg(sys).arg(iGnss, 2, 10, QChar('0')).arg(flag);
249 _params[sys].push_back(new cmbParam(cmbParam::offACSat, ++nextPar, AC->name, prn));
250 }
251 }
252 for (int iGnss = 1; iGnss <= maxPrn; iGnss++) {
253 int flag = t_corrSSR::getSsrNavTypeFlag(sys, iGnss);
254 QString prn = QString("%1%2_%3").arg(sys).arg(iGnss, 2, 10, QChar('0')).arg(flag);
255 _params[sys].push_back(new cmbParam(cmbParam::clkSat, ++nextPar, "", prn));
256 }
257 // Initialize Variance-Covariance Matrix
258 // -------------------------------------
259 _QQ[sys].ReSize(_params[sys].size());
260 _QQ[sys] = 0.0;
261 for (int iPar = 1; iPar <= _params[sys].size(); iPar++) {
262 cmbParam* pp = _params[sys][iPar-1];
263 _QQ[sys](iPar,iPar) = pp->sig0 * pp->sig0;
264 }
265 }
266 }
267
268 // ANTEX File
269 // ----------
270 _antex = 0;
271 QString antexFileName = settings.value("uploadAntexFile").toString();
272 if (!antexFileName.isEmpty()) {
273 _antex = new bncAntex();
274 if (_antex->readFile(antexFileName) != success) {
275 emit newMessage("bncComb: wrong ANTEX file", true);
276 delete _antex;
277 _antex = 0;
278 }
279 }
280
281
282 // Bias SINEX File
283 // ---------------
284 _bsx = 0;
285 QString bsxFileName = settings.value("cmbBsxFile").toString();
286 if (!bsxFileName.isEmpty()) {
287 _bsx = new bncBiasSnx();
288 if (_bsx->readFile(bsxFileName) != success) {
289 emit newMessage("bncComb: wrong Bias SINEX file", true);
290 delete _bsx;
291 _bsx = 0;
292 }
293 }
294 if (_bsx) {
295 _ms = 3.0 * 3600 * 1000.0;
296 QTimer::singleShot(_ms, this, SLOT(slotReadBiasSnxFile()));
297 }
298
299 // Maximal Residuum
300 // ----------------
301 _MAX_RES = settings.value("cmbMaxres").toDouble();
302 if (_MAX_RES <= 0.0) {
303 _MAX_RES = 999.0;
304 }
305
306 // Maximal Displacement
307 // --------------------
308 _MAX_DISPLACEMENT = settings.value("cmbMaxdisplacement").toDouble();
309 if (_MAX_DISPLACEMENT <= 0.0) {
310 _MAX_DISPLACEMENT = 2.0;
311 }
312
313 // Logfile
314 // -------
315 QString intr = "1 day";
316 QString logFileCmb = settings.value("cmbLogpath").toString();
317 int l = logFileCmb.length();
318 if (logFileCmb.isEmpty()) {
319 _logFile = 0;
320 }
321 else {
322 if (l && logFileCmb[l-1] != QDir::separator() ) {
323 logFileCmb += QDir::separator();
324 }
325
326 logFileCmb = logFileCmb + "COMB00BNC" + "${V3PROD}" + ".CMB";
327
328 _logFile = new bncoutf(logFileCmb, intr, _cmbSampl);
329 }
330
331 _newCorr = 0;
332}
333
334// Destructor
335////////////////////////////////////////////////////////////////////////////
336bncComb::~bncComb() {
337
338 _running = false;
339#ifndef WIN32
340 sleep(2);
341#else
342 Sleep(2000);
343#endif
344
345 QListIterator<cmbAC*> icAC(_ACs);
346 while (icAC.hasNext()) {
347 delete icAC.next();
348 }
349 _ACs.clear();
350
351 delete _rtnetDecoder;
352
353 if (_ssrCorr) {
354 delete _ssrCorr;
355 }
356
357 if (_newCorr) {
358 delete _newCorr;
359 }
360
361 delete _antex;
362 delete _bsx;
363 delete _logFile;
364
365 QMapIterator<char, unsigned> itSys(_cmbSysPrn);
366 while (itSys.hasNext()) {
367 itSys.next();
368 char sys = itSys.key();
369 for (int iPar = 1; iPar <= _params[sys].size(); iPar++) {
370 delete _params[sys][iPar-1];
371 }
372 _buffer.remove(sys);
373 }
374 _params.clear();
375 _buffer.clear();
376 _cmbSysPrn.clear();
377
378 while (!_epoClkData.empty()) {
379 delete _epoClkData.front();
380 _epoClkData.pop_front();
381 }
382}
383
384void bncComb::slotReadBiasSnxFile() {
385 bncSettings settings;
386 QString bsxFileName = settings.value("cmbBsxFile").toString();
387
388 if (bsxFileName.isEmpty()) {
389 emit newMessage("bncComb: no Bias SINEX file specified", true);
390 return;
391 }
392 if (!_bsx) {
393 _bsx = new bncBiasSnx();
394 }
395 if (_bsx->readFile(bsxFileName) != success) {
396 emit newMessage("bncComb: wrong Bias SINEX file", true);
397 delete _bsx;
398 _bsx = 0;
399 }
400 else {
401 emit newMessage("bncComb: successfully read Bias SINEX file", true);
402 }
403
404 QTimer::singleShot(_ms, this, SLOT(slotReadBiasSnxFile()));
405}
406
407
408// Remember orbit corrections
409////////////////////////////////////////////////////////////////////////////
410void bncComb::slotNewOrbCorrections(QList<t_orbCorr> orbCorrections) {
411 QMutexLocker locker(&_mutex);
412 for (int ii = 0; ii < orbCorrections.size(); ii++) {
413 t_orbCorr& orbCorr = orbCorrections[ii];
414 QString staID(orbCorr._staID.c_str());
415 char sys = orbCorr._prn.system();
416
417 if (!_cmbSysPrn.contains(sys)){
418 continue;
419 }
420
421 // Find/Check the AC Name
422 // ----------------------
423 QString acName;
424 QStringList excludeSats;
425 QListIterator<cmbAC*> icAC(_ACs);
426 while (icAC.hasNext()) {
427 cmbAC* AC = icAC.next();
428 if (AC->mountPoint == staID) {
429 acName = AC->name;
430 excludeSats = AC->excludeSats;
431 break;
432 }
433 }
434 if (acName.isEmpty() || excludeSat(orbCorr._prn, excludeSats)) {
435 continue;
436 }
437
438 // Store the correction
439 // --------------------
440 QMap<t_prn, t_orbCorr>& storage = _orbCorrections[acName];
441 storage[orbCorr._prn] = orbCorr;
442 }
443}
444
445// Remember Satellite Code Biases
446////////////////////////////////////////////////////////////////////////////
447void bncComb::slotNewCodeBiases(QList<t_satCodeBias> satCodeBiases) {
448 QMutexLocker locker(&_mutex);
449
450 for (int ii = 0; ii < satCodeBiases.size(); ii++) {
451 t_satCodeBias& satCodeBias = satCodeBiases[ii];
452 QString staID(satCodeBias._staID.c_str());
453 char sys = satCodeBias._prn.system();
454
455 if (!_cmbSysPrn.contains(sys)){
456 continue;
457 }
458
459 // Find/Check the AC Name
460 // ----------------------
461 QString acName;
462 QStringList excludeSats;
463 QListIterator<cmbAC*> icAC(_ACs);
464 while (icAC.hasNext()) {
465 cmbAC* AC = icAC.next();
466 if (AC->mountPoint == staID) {
467 acName = AC->name;
468 excludeSats = AC->excludeSats;
469 break;
470 }
471 }
472 if (acName.isEmpty() || excludeSat(satCodeBias._prn, excludeSats)) {
473 continue;
474 }
475
476 // Store the correction
477 // --------------------
478 QMap<t_prn, t_satCodeBias>& storage = _satCodeBiases[acName];
479 storage[satCodeBias._prn] = satCodeBias;
480 }
481
482}
483
484// Process clock corrections
485////////////////////////////////////////////////////////////////////////////
486void bncComb::slotNewClkCorrections(QList<t_clkCorr> clkCorrections) {
487 QMutexLocker locker(&_mutex);
488 const double outWait = 1.0 * _cmbSampl;
489 int currentWeek = 0;
490 double currentSec = 0.0;
491 currentGPSWeeks(currentWeek, currentSec);
492 bncTime currentTime(currentWeek, currentSec);
493
494 // Loop over all observations (possible different epochs)
495 // -----------------------------------------------------
496 for (int ii = 0; ii < clkCorrections.size(); ii++) {
497 t_clkCorr& newClk = clkCorrections[ii];
498 char sys = newClk._prn.system();
499 if (!_cmbSysPrn.contains(sys)){
500 continue;
501 }
502
503 // Check Modulo Time
504 // -----------------
505 int sec = int(nint(newClk._time.gpssec()*10));
506 if (sec % (_cmbSampl*10) != 0.0) {
507 continue;
508 }
509
510 // Find/Check the AC Name
511 // ----------------------
512 QString acName;
513 QStringList excludeSats;
514 bool isAPC;
515 QString staID(newClk._staID.c_str());
516 QListIterator<cmbAC*> icAC(_ACs);
517 while (icAC.hasNext()) {
518 cmbAC* AC = icAC.next();
519 if (AC->mountPoint == staID) {
520 acName = AC->name;
521 QStringList excludeSats;
522 isAPC = AC->isAPC;
523 break;
524 }
525 }
526 if (acName.isEmpty() ||
527 isAPC != _masterIsAPC[sys] ||
528 excludeSat(newClk._prn, excludeSats)) {
529 continue;
530 }
531
532 // Check regarding current time
533 // ----------------------------
534 if (BNC_CORE->mode() != t_bncCore::batchPostProcessing) {
535 if ((newClk._time >= currentTime) || // future time stamp
536 (currentTime - newClk._time) > 60.0) { // very old data sets
537 #ifdef BNC_DEBUG_CMB
538 emit newMessage("bncComb: future or very old data sets: " + acName.toLatin1() + " " + newClk._prn.toString().c_str() +
539 QString(" %1 ").arg(newClk._time.timestr().c_str()).toLatin1() + "vs. current time" +
540 QString(" %1 ").arg(currentTime.timestr().c_str()).toLatin1(), true);
541 #endif
542 continue;
543 }
544 }
545
546 // Check Correction Age
547 // --------------------
548 if (_resTime.valid() && newClk._time <= _resTime) {
549#ifdef BNC_DEBUG_CMB
550 emit newMessage("bncComb: old correction: " + acName.toLatin1() + " " + newClk._prn.toString().c_str() +
551 QString(" %1 ").arg(newClk._time.timestr().c_str()).toLatin1() + "vs. last processing Epoch" +
552 QString(" %1 ").arg(_resTime.timestr().c_str()).toLatin1(), true);
553#endif
554 continue;
555 }
556
557 // Set the last time
558 // -----------------
559 if (_lastClkCorrTime.undef() || newClk._time > _lastClkCorrTime) {
560 _lastClkCorrTime = newClk._time;
561 }
562
563 // Find the corresponding data epoch or create a new one
564 // -----------------------------------------------------
565 epoClkData* epoch = 0;
566 deque<epoClkData*>::const_iterator it;
567 for (it = _epoClkData.begin(); it != _epoClkData.end(); it++) {
568 if (newClk._time == (*it)->_time) {
569 epoch = *it;
570 break;
571 }
572 }
573 if (epoch == 0) {
574 if (_epoClkData.empty() || newClk._time > _epoClkData.back()->_time) {
575 epoch = new epoClkData;
576 epoch->_time = newClk._time;
577 _epoClkData.push_back(epoch);
578 }
579 }
580
581 // Put data into the epoch
582 // -----------------------
583 if (epoch != 0) {
584 epoch->_clkCorr.push_back(newClk);
585 }
586 }
587
588 // Make sure the buffer does not grow beyond any limit
589 // ---------------------------------------------------
590 const unsigned MAX_EPODATA_SIZE = 60.0 / _cmbSampl;
591 if (_epoClkData.size() > MAX_EPODATA_SIZE) {
592 delete _epoClkData.front();
593 _epoClkData.pop_front();
594 }
595
596 // Process the oldest epochs
597 // ------------------------
598 while (_epoClkData.size()) {
599
600 if (!_lastClkCorrTime.valid()) {
601 return;
602 }
603
604 const vector<t_clkCorr>& clkCorrVec = _epoClkData.front()->_clkCorr;
605
606 bncTime epoTime = _epoClkData.front()->_time;
607
608 if (BNC_CORE->mode() != t_bncCore::batchPostProcessing) {
609 if ((currentTime - epoTime) > 60.0) {
610 delete _epoClkData.front();
611 _epoClkData.pop_front();
612 continue;
613 }
614 }
615 // Process the front epoch
616 // -----------------------
617 if (epoTime < (_lastClkCorrTime - outWait)) {
618 _resTime = epoTime;
619 processEpoch(_resTime, clkCorrVec);
620 delete _epoClkData.front();
621 _epoClkData.pop_front();
622 }
623 else {
624 return;
625 }
626 }
627}
628
629// Change the correction so that it refers to last received ephemeris
630////////////////////////////////////////////////////////////////////////////
631void bncComb::switchToLastEph(t_eph* lastEph, cmbCorr* corr) {
632
633 if (corr->_eph == lastEph) {
634 return;
635 }
636
637 ColumnVector oldXC(6);
638 ColumnVector oldVV(3);
639 if (corr->_eph->getCrd(corr->_time, oldXC, oldVV, false) != success) {
640 return;
641 }
642
643 ColumnVector newXC(6);
644 ColumnVector newVV(3);
645 if (lastEph->getCrd(corr->_time, newXC, newVV, false) != success) {
646 return;
647 }
648
649 ColumnVector dX = newXC.Rows(1,3) - oldXC.Rows(1,3);
650 ColumnVector dV = newVV - oldVV;
651 double dC = newXC(4) - oldXC(4);
652
653 ColumnVector dRAO(3);
654 XYZ_to_RSW(newXC.Rows(1,3), newVV, dX, dRAO);
655
656 ColumnVector dDotRAO(3);
657 XYZ_to_RSW(newXC.Rows(1,3), newVV, dV, dDotRAO);
658
659 QString msg = "bncComb: switch corr " + corr->_prn.mid(0,3)
660 + QString(" %1 -> %2 %3").arg(corr->_iod,3).arg(lastEph->IOD(),3).arg(dC*t_CST::c, 8, 'f', 4);
661
662 emit newMessage(msg.toLatin1(), false);
663
664 corr->_iod = lastEph->IOD();
665 corr->_eph = lastEph;
666
667 corr->_orbCorr._xr += dRAO;
668 corr->_orbCorr._dotXr += dDotRAO;
669 corr->_clkCorr._dClk -= dC;
670}
671
672// Process Epoch
673////////////////////////////////////////////////////////////////////////////
674void bncComb::processEpoch(bncTime epoTime, const vector<t_clkCorr>& clkCorrVec) {
675 QDateTime now = currentDateAndTimeGPS();
676 bncTime currentTime(now.toString(Qt::ISODate).toStdString());
677 for (unsigned ii = 0; ii < clkCorrVec.size(); ii++) {
678 const t_clkCorr& clkCorr = clkCorrVec[ii];
679 QString staID(clkCorr._staID.c_str());
680 QString prnStr(clkCorr._prn.toInternalString().c_str());
681 char sys = clkCorr._prn.system();
682
683 // Find/Check the AC Name
684 // ----------------------
685 QString acName;
686 double weigthFactor;
687 QListIterator<cmbAC*> icAC(_ACs);
688 while (icAC.hasNext()) {
689 cmbAC* AC = icAC.next();
690 if (AC->mountPoint == staID) {
691 acName = AC->name;
692 weigthFactor = AC->weightFactor;
693 break;
694 }
695 }
696
697 // Create new correction
698 // ---------------------
699 _newCorr = new cmbCorr();
700 _newCorr->_prn = prnStr;
701 _newCorr->_time = clkCorr._time;
702 _newCorr->_iod = clkCorr._iod;
703 _newCorr->_acName = acName;
704 _newCorr->_weightFactor = weigthFactor;
705 _newCorr->_clkCorr = clkCorr;
706
707 // Check orbit correction
708 // ----------------------
709 if (!_orbCorrections.contains(acName)) {
710 delete _newCorr; _newCorr = 0;
711 continue;
712 }
713 else {
714 QMap<t_prn, t_orbCorr>& storage = _orbCorrections[acName];
715 if (!storage.contains(clkCorr._prn) ||
716 storage[clkCorr._prn]._iod != _newCorr->_iod) {
717 delete _newCorr; _newCorr = 0;
718 continue;
719 }
720 else {
721 _newCorr->_orbCorr = storage[clkCorr._prn];
722 }
723 }
724
725 // Check the Ephemeris
726 //--------------------
727 t_eph* ephLast = _ephUser.ephLast(prnStr);
728 t_eph* ephPrev = _ephUser.ephPrev(prnStr);
729 if (ephLast == 0) {
730#ifdef BNC_DEBUG_CMB
731 emit newMessage("bncComb: eph not found for " + prnStr.mid(0,3).toLatin1(), true);
732#endif
733 delete _newCorr; _newCorr = 0;
734 continue;
735 }
736 else if (outDatedBcep(ephLast, currentTime) ||
737 ephLast->checkState() == t_eph::bad ||
738 ephLast->checkState() == t_eph::outdated ||
739 ephLast->checkState() == t_eph::unhealthy) {
740#ifdef BNC_DEBUG_CMB
741 emit newMessage("bncComb: ephLast not ok (checkState: " + ephLast->checkStateToString().toLatin1() + ") for " + prnStr.mid(0,3).toLatin1(), true);
742#endif
743 delete _newCorr; _newCorr = 0;
744 continue;
745 }
746 else {
747 if (ephLast->IOD() == _newCorr->_iod) {
748 _newCorr->_eph = ephLast;
749 }
750 else if (ephPrev &&
751 !outDatedBcep(ephPrev, currentTime) && // if not updated in storage
752 ephPrev->checkState() == t_eph::ok && // received
753 ephPrev->IOD() == _newCorr->_iod) {
754 _newCorr->_eph = ephPrev;
755 switchToLastEph(ephLast, _newCorr);
756 }
757 else {
758#ifdef BNC_DEBUG_CMB
759 emit newMessage("bncComb: eph not found for " + prnStr.mid(0,3).toLatin1() +
760 QString(" with IOD %1").arg(_newCorr->_iod).toLatin1(), true);
761#endif
762 delete _newCorr; _newCorr = 0;
763 continue;
764 }
765 }
766
767 // Check satellite code biases
768 // ----------------------------
769 if (_satCodeBiases.contains(acName)) {
770 QMap<t_prn, t_satCodeBias>& storage = _satCodeBiases[acName];
771 if (storage.contains(clkCorr._prn)) {
772 _newCorr->_satCodeBias = storage[clkCorr._prn];
773 QMap<t_frequency::type, double> codeBiasesRefSig;
774 for (unsigned ii = 1; ii < cmbRefSig::cIF; ii++) {
775 t_frequency::type frqType = cmbRefSig::toFreq(sys, static_cast<cmbRefSig::type>(ii));
776 char frqNum = t_frequency::toString(frqType)[1];
777 char attrib = cmbRefSig::toAttrib(sys, static_cast<cmbRefSig::type>(ii));
778 QString rnxType2ch = QString("%1%2").arg(frqNum).arg(attrib);
779 for (unsigned ii = 0; ii < _newCorr->_satCodeBias._bias.size(); ii++) {
780 const t_frqCodeBias& bias = _newCorr->_satCodeBias._bias[ii];
781 if (rnxType2ch.toStdString() == bias._rnxType2ch) {
782 codeBiasesRefSig[frqType] = bias._value;
783 }
784 }
785 }
786 if (codeBiasesRefSig.size() == 2) {
787 map<t_frequency::type, double> codeCoeff;
788 double channel = double(_newCorr->_eph->slotNum());
789 cmbRefSig::coeff(sys, cmbRefSig::cIF, channel, codeCoeff);
790 map<t_frequency::type, double>::const_iterator it;
791 for (it = codeCoeff.begin(); it != codeCoeff.end(); it++) {
792 t_frequency::type frqType = it->first;
793 _newCorr->_satCodeBiasIF += it->second * codeBiasesRefSig[frqType];
794 }
795 }
796 _newCorr->_satCodeBias._bias.clear();
797 }
798 }
799
800 // Store correction into the buffer
801 // --------------------------------
802 QVector<cmbCorr*>& corrs = _buffer[sys].corrs;
803 QVectorIterator<cmbCorr*> itCorr(corrs);
804 bool available = false;
805 while (itCorr.hasNext()) {
806 cmbCorr* corr = itCorr.next();
807 QString prnStr = corr->_prn;
808 QString acName = corr->_acName;
809 if (_newCorr->_acName == acName &&
810 _newCorr->_prn == prnStr) {
811 available = true;
812 }
813 }
814
815 if (!available) {
816 corrs.push_back(_newCorr); _newCorr = 0;
817 }
818 else {
819 delete _newCorr; _newCorr = 0;
820 continue;
821 }
822 }
823
824 // Process Systems of this Epoch
825 // ------------------------------
826 QMapIterator<char, unsigned> itSys(_cmbSysPrn);
827 while (itSys.hasNext()) {
828 itSys.next();
829 char sys = itSys.key();
830 _log.clear();
831 QTextStream out(&_log, QIODevice::WriteOnly);
832 processSystem(epoTime, sys, out);
833 _buffer.remove(sys);
834 if (_logFile) {
835 _logFile->write(epoTime.gpsw(),epoTime.gpssec(), QString(_log));
836 }
837 }
838}
839
840void bncComb::processSystem(bncTime epoTime, char sys, QTextStream& out) {
841
842 out << "\n"
843 << epoTime.datestr().c_str() << " "
844 << epoTime.timestr().c_str() << " "
845 << "Combination: " << sys << "\n"
846 << "--------------------------------------" << "\n";
847
848 // Observation Statistics
849 // ----------------------
850 bool masterPresent = false;
851 QListIterator<cmbAC*> icAC(_ACs);
852 while (icAC.hasNext()) {
853 cmbAC* AC = icAC.next();
854 AC->numObs[sys] = 0;
855 QVectorIterator<cmbCorr*> itCorr(corrs(sys));
856 while (itCorr.hasNext()) {
857 cmbCorr* corr = itCorr.next();
858 if (corr->_acName == AC->name) {
859 AC->numObs[sys] += 1;
860 if (AC->name == _masterOrbitAC[sys]) {
861 masterPresent = true;
862 }
863 }
864 }
865 out << epoTime.datestr().c_str() << " "
866 << epoTime.timestr().c_str() << " "
867 << "Sat Num " << sys << " "
868 << AC->name.toLatin1().data() << ": " << AC->numObs[sys] << "\n";
869 }
870
871 // If Master not present, switch to another one
872 // --------------------------------------------
873 const unsigned switchMasterAfterGap = 1;
874 if (masterPresent) {
875 _masterMissingEpochs[sys] = 0;
876 }
877 else {
878 ++_masterMissingEpochs[sys];
879 if (_masterMissingEpochs[sys] < switchMasterAfterGap) {
880 out << "Missing Master, Epoch skipped" << "\n";
881 _buffer.remove(sys);
882 emit newMessage(_log, false);
883 return;
884 }
885 else {
886 _masterMissingEpochs[sys] = 0;
887 QListIterator<cmbAC*> icAC(_ACs);
888 while (icAC.hasNext()) {
889 cmbAC* AC = icAC.next();
890 if (AC->numObs[sys] > 0) {
891 out << epoTime.datestr().c_str() << " "
892 << epoTime.timestr().c_str() << " "
893 << "Switching Master " << sys << " "
894 << _masterOrbitAC[sys].toLatin1().data() << " --> "
895 << AC->name.toLatin1().data() << "\n";
896 _masterOrbitAC[sys] = AC->name;
897 _masterIsAPC[sys] = AC->isAPC;
898 break;
899 }
900 }
901 }
902 }
903
904 QMap<QString, cmbCorr*> resCorr;
905
906 // Perform the actual Combination using selected Method
907 // ----------------------------------------------------
908 t_irc irc;
909 ColumnVector dx;
910 if (_method == filter) {
911 irc = processEpoch_filter(epoTime, sys, out, resCorr, dx);
912 }
913 else {
914 irc = processEpoch_singleEpoch(epoTime, sys, out, resCorr, dx);
915 }
916
917 // Update Parameter Values, Print Results
918 // --------------------------------------
919 if (irc == success) {
920 for (int iPar = 1; iPar <= _params[sys].size(); iPar++) {
921 cmbParam* pp = _params[sys][iPar-1];
922 pp->xx += dx(iPar);
923 if (pp->type == cmbParam::clkSat) {
924 if (resCorr.find(pp->prn) != resCorr.end()) {
925 // set clock result
926 resCorr[pp->prn]->_dClkResult = pp->xx / t_CST::c;
927 // Add Code Biases from SINEX File
928 if (_bsx) {
929 map<t_frequency::type, double> codeCoeff;
930 double channel = double(resCorr[pp->prn]->_eph->slotNum());
931 cmbRefSig::coeff(sys, cmbRefSig::cIF, channel, codeCoeff);
932 t_frequency::type fType1 = cmbRefSig::toFreq(sys, cmbRefSig::c1);
933 t_frequency::type fType2 = cmbRefSig::toFreq(sys, cmbRefSig::c2);
934 _bsx->determineSsrSatCodeBiases(pp->prn.mid(0,3), codeCoeff[fType1], codeCoeff[fType2], resCorr[pp->prn]->_satCodeBias);
935 }
936 }
937 }
938 out << epoTime.datestr().c_str() << " "
939 << epoTime.timestr().c_str() << " ";
940 out.setRealNumberNotation(QTextStream::FixedNotation);
941 out.setFieldWidth(8);
942 out.setRealNumberPrecision(4);
943 out << pp->toString(sys) << " "
944 << pp->xx << " +- " << sqrt(_QQ[sys](pp->index,pp->index)) << "\n";
945 out.setFieldWidth(0);
946 out.flush();
947 }
948 printResults(epoTime, out, resCorr);
949 dumpResults(epoTime, resCorr);
950 }
951}
952
953// Process Epoch - Filter Method
954////////////////////////////////////////////////////////////////////////////
955t_irc bncComb::processEpoch_filter(bncTime epoTime, char sys, QTextStream& out,
956 QMap<QString, cmbCorr*>& resCorr,
957 ColumnVector& dx) {
958
959 // Prediction Step
960 // ---------------
961 int nPar = _params[sys].size();
962 ColumnVector x0(nPar);
963 for (int iPar = 1; iPar <= nPar; iPar++) {
964 cmbParam* pp = _params[sys][iPar-1];
965 if (pp->epoSpec) {
966 pp->xx = 0.0;
967 _QQ[sys].Row(iPar) = 0.0;
968 _QQ[sys].Column(iPar) = 0.0;
969 _QQ[sys](iPar,iPar) = pp->sig0 * pp->sig0;
970 }
971 else {
972 _QQ[sys](iPar,iPar) += pp->sigP * pp->sigP;
973 }
974 x0(iPar) = pp->xx;
975 }
976
977 // Check Satellite Positions for Outliers
978 // --------------------------------------
979 if (checkOrbits(epoTime, sys, out) != success) {
980 return failure;
981 }
982
983 // Update and outlier detection loop
984 // ---------------------------------
985 SymmetricMatrix QQ_sav = _QQ[sys];
986 while (_running) {
987
988 Matrix AA;
989 ColumnVector ll;
990 DiagonalMatrix PP;
991
992 if (createAmat(sys, AA, ll, PP, x0, resCorr) != success) {
993 return failure;
994 }
995
996 dx.ReSize(nPar); dx = 0.0;
997 kalman(AA, ll, PP, _QQ[sys], dx);
998
999 ColumnVector vv = ll - AA * dx;
1000
1001 int maxResIndex;
1002 double maxRes = vv.maximum_absolute_value1(maxResIndex);
1003 out.setRealNumberNotation(QTextStream::FixedNotation);
1004 out.setRealNumberPrecision(3);
1005 out << epoTime.datestr().c_str() << " " << epoTime.timestr().c_str()
1006 << " Maximum Residuum " << maxRes << ' '
1007 << corrs(sys)[maxResIndex-1]->_acName << ' ' << corrs(sys)[maxResIndex-1]->_prn.mid(0,3);
1008 double facSys = 1.0;
1009 if (sys == 'C' &&
1010 corrs(sys)[maxResIndex-1]->_prn.mid(1,2).toInt() <= 16) {// BDS-2
1011 facSys *= 2.0;
1012 }
1013 if (maxRes > _MAX_RES) {
1014 for (int iPar = 1; iPar <= _params[sys].size(); iPar++) {
1015 cmbParam* pp = _params[sys][iPar-1];
1016 if (pp->type == cmbParam::offACSat &&
1017 pp->AC == corrs(sys)[maxResIndex-1]->_acName &&
1018 pp->prn == corrs(sys)[maxResIndex-1]->_prn.mid(0,3)) {
1019 QQ_sav.Row(iPar) = 0.0;
1020 QQ_sav.Column(iPar) = 0.0;
1021 QQ_sav(iPar,iPar) = pp->sig0 * pp->sig0;
1022 }
1023 }
1024
1025 out << " Outlier" << "\n";
1026 _QQ[sys] = QQ_sav;
1027 delete corrs(sys)[maxResIndex-1];
1028 corrs(sys).remove(maxResIndex-1);
1029 }
1030 else {
1031 out << " OK" << "\n";
1032 out.setRealNumberNotation(QTextStream::FixedNotation);
1033 out.setRealNumberPrecision(4);
1034 for (int ii = 0; ii < corrs(sys).size(); ii++) {
1035 const cmbCorr* corr = corrs(sys)[ii];
1036 out << epoTime.datestr().c_str() << ' '
1037 << epoTime.timestr().c_str() << " "
1038 << corr->_acName << ' ' << corr->_prn.mid(0,3);
1039 out.setFieldWidth(10);
1040 out << " res = " << vv[ii] << "\n";
1041 out.setFieldWidth(0);
1042 }
1043 break;
1044 }
1045 }
1046
1047 return success;
1048}
1049
1050// Print results
1051////////////////////////////////////////////////////////////////////////////
1052void bncComb::printResults(bncTime epoTime, QTextStream& out,
1053 const QMap<QString, cmbCorr*>& resCorr) {
1054
1055 QMapIterator<QString, cmbCorr*> it(resCorr);
1056 while (it.hasNext()) {
1057 it.next();
1058 cmbCorr* corr = it.value();
1059 const t_eph* eph = corr->_eph;
1060 if (eph) {
1061 ColumnVector xc(6);
1062 ColumnVector vv(3);
1063 if (eph->getCrd(epoTime, xc, vv, false) != success) {
1064 continue;
1065 }
1066 out << epoTime.datestr().c_str() << " "
1067 << epoTime.timestr().c_str() << " ";
1068 out.setFieldWidth(3);
1069 out << "Full Clock " << corr->_prn.mid(0,3) << " " << corr->_iod << " ";
1070 out.setFieldWidth(14);
1071 out << (xc(4) + corr->_dClkResult) * t_CST::c << "\n";
1072 out.setFieldWidth(0);
1073 out.flush();
1074 }
1075 else {
1076 out << "bncComb::printResults bug" << "\n";
1077 }
1078 }
1079}
1080
1081// Send results to RTNet Decoder and directly to PPP Client
1082////////////////////////////////////////////////////////////////////////////
1083void bncComb::dumpResults(bncTime epoTime, QMap<QString, cmbCorr*>& resCorr) {
1084
1085 QList<t_orbCorr> orbCorrections;
1086 QList<t_clkCorr> clkCorrections;
1087 QList<t_satCodeBias> satCodeBiasList;
1088
1089 unsigned year, month, day, hour, minute;
1090 double sec;
1091 epoTime.civil_date(year, month, day);
1092 epoTime.civil_time(hour, minute, sec);
1093
1094 QString outLines = QString().asprintf("* %4d %2d %2d %d %d %12.8f\n",
1095 year, month, day, hour, minute, sec);
1096
1097 QMutableMapIterator<QString, cmbCorr*> it(resCorr);
1098 while (it.hasNext()) {
1099 it.next();
1100 cmbCorr* corr = it.value();
1101
1102 // ORBIT
1103 t_orbCorr orbCorr(corr->_orbCorr);
1104 orbCorr._staID = "INTERNAL";
1105 orbCorrections.push_back(orbCorr);
1106
1107 // CLOCK
1108 t_clkCorr clkCorr(corr->_clkCorr);
1109 clkCorr._staID = "INTERNAL";
1110 clkCorr._dClk = corr->_dClkResult;
1111 clkCorr._dotDClk = 0.0;
1112 clkCorr._dotDotDClk = 0.0;
1113 clkCorrections.push_back(clkCorr);
1114
1115 ColumnVector xc(6);
1116 ColumnVector vv(3);
1117 corr->_eph->setClkCorr(dynamic_cast<const t_clkCorr*>(&clkCorr));
1118 corr->_eph->setOrbCorr(dynamic_cast<const t_orbCorr*>(&orbCorr));
1119 if (corr->_eph->getCrd(epoTime, xc, vv, true) != success) {
1120 delete corr;
1121 it.remove();
1122 continue;
1123 }
1124
1125 // Correction Phase Center --> CoM
1126 // -------------------------------
1127 ColumnVector dx(3); dx = 0.0;
1128 ColumnVector apc(3); apc = 0.0;
1129 ColumnVector com(3); com = 0.0;
1130 bool masterIsAPC = true;
1131 if (_antex) {
1132 double Mjd = epoTime.mjd() + epoTime.daysec()/86400.0;
1133 char sys = corr->_eph->prn().system();
1134 masterIsAPC = _masterIsAPC[sys];
1135 if (_antex->satCoMcorrection(corr->_prn, Mjd, xc.Rows(1,3), dx) != success) {
1136 dx = 0;
1137 _log += "antenna not found " + corr->_prn.mid(0,3).toLatin1() + '\n';
1138 }
1139 }
1140 if (masterIsAPC) {
1141 apc(1) = xc(1);
1142 apc(2) = xc(2);
1143 apc(3) = xc(3);
1144 com(1) = xc(1)-dx(1);
1145 com(2) = xc(2)-dx(2);
1146 com(3) = xc(3)-dx(3);
1147 }
1148 else {
1149 com(1) = xc(1);
1150 com(2) = xc(2);
1151 com(3) = xc(3);
1152 apc(1) = xc(1)+dx(1);
1153 apc(2) = xc(2)+dx(2);
1154 apc(3) = xc(3)+dx(3);
1155 }
1156
1157 outLines += corr->_prn.mid(0,3);
1158 QString hlp = QString().asprintf(
1159 " APC 3 %15.4f %15.4f %15.4f"
1160 " Clk 1 %15.4f"
1161 " Vel 3 %15.4f %15.4f %15.4f"
1162 " CoM 3 %15.4f %15.4f %15.4f",
1163 apc(1), apc(2), apc(3),
1164 xc(4) * t_CST::c,
1165 vv(1), vv(2), vv(3),
1166 com(1), com(2), com(3));
1167 outLines += hlp;
1168 hlp.clear();
1169
1170 // CODE BIASES
1171 if (corr->_satCodeBias._bias.size()) {
1172 t_satCodeBias satCodeBias(corr->_satCodeBias);
1173 satCodeBias._staID = "INTERNAL";
1174 satCodeBiasList.push_back(satCodeBias);
1175 hlp = QString().asprintf(" CodeBias %2lu", satCodeBias._bias.size());
1176 outLines += hlp;
1177 hlp.clear();
1178 for (unsigned ii = 0; ii < satCodeBias._bias.size(); ii++) {
1179 const t_frqCodeBias& frqCodeBias = satCodeBias._bias[ii];
1180 if (!frqCodeBias._rnxType2ch.empty()) {
1181 hlp = QString().asprintf(" %s%10.6f", frqCodeBias._rnxType2ch.c_str(), frqCodeBias._value);
1182 outLines += hlp;
1183 hlp.clear();
1184 }
1185 }
1186 }
1187 outLines += "\n";
1188 delete corr;
1189 it.remove();
1190 }
1191
1192 outLines += "EOE\n"; // End Of Epoch flag
1193 //cout << outLines.toStdString();
1194
1195 vector<string> errmsg;
1196 _rtnetDecoder->Decode(outLines.toLatin1().data(), outLines.length(), errmsg);
1197
1198 // Send new Corrections to PPP etc.
1199 // --------------------------------
1200 if (orbCorrections.size() > 0 && clkCorrections.size() > 0) {
1201 emit newOrbCorrections(orbCorrections);
1202 emit newClkCorrections(clkCorrections);
1203 }
1204 if (satCodeBiasList.size()) {
1205 emit newCodeBiases(satCodeBiasList);
1206 }
1207}
1208
1209// Create First Design Matrix and Vector of Measurements
1210////////////////////////////////////////////////////////////////////////////
1211t_irc bncComb::createAmat(char sys, Matrix& AA, ColumnVector& ll, DiagonalMatrix& PP,
1212 const ColumnVector& x0, QMap<QString, cmbCorr*>& resCorr) {
1213
1214 unsigned nPar = _params[sys].size();
1215 unsigned nObs = corrs(sys).size();
1216
1217 if (nObs == 0) {
1218 return failure;
1219 }
1220
1221 int maxSat = _cmbSysPrn[sys];
1222
1223 const int nCon = (_method == filter) ? 1 + maxSat : 0;
1224
1225 AA.ReSize(nObs+nCon, nPar); AA = 0.0;
1226 ll.ReSize(nObs+nCon); ll = 0.0;
1227 PP.ReSize(nObs+nCon); PP = 1.0 / (sigObs * sigObs);
1228
1229 int iObs = 0;
1230 QVectorIterator<cmbCorr*> itCorr(corrs(sys));
1231 while (itCorr.hasNext()) {
1232 cmbCorr* corr = itCorr.next();
1233 QString prn = corr->_prn;
1234
1235 ++iObs;
1236
1237 if (corr->_acName == _masterOrbitAC[sys] && resCorr.find(prn) == resCorr.end()) {
1238 resCorr[prn] = new cmbCorr(*corr);
1239 }
1240
1241 for (int iPar = 1; iPar <= _params[sys].size(); iPar++) {
1242 cmbParam* pp = _params[sys][iPar-1];
1243 AA(iObs, iPar) = pp->partial(sys, corr->_acName, prn);
1244 }
1245
1246 ll(iObs) = (corr->_clkCorr._dClk * t_CST::c - corr->_satCodeBiasIF) - DotProduct(AA.Row(iObs), x0);
1247
1248 PP(iObs, iObs) *= 1.0 / (corr->_weightFactor * corr->_weightFactor);
1249 }
1250
1251 // Regularization
1252 // --------------
1253 if (_method == filter) {
1254 const double Ph = 1.e6;
1255 PP(nObs+1) = Ph;
1256 for (int iPar = 1; iPar <= _params[sys].size(); iPar++) {
1257 cmbParam* pp = _params[sys][iPar-1];
1258 if ( AA.Column(iPar).maximum_absolute_value() > 0.0 &&
1259 pp->type == cmbParam::clkSat ) {
1260 AA(nObs+1, iPar) = 1.0;
1261 }
1262 }
1263// if (sys == 'R') {
1264// return success;
1265// }
1266 int iCond = 1;
1267 // GNSS
1268 for (unsigned iGnss = 1; iGnss <= _cmbSysPrn[sys]; iGnss++) {
1269 int flag = t_corrSSR::getSsrNavTypeFlag(sys, iGnss);
1270 QString prn = QString("%1%2_%3").arg(sys).arg(iGnss, 2, 10, QChar('0')).arg(flag);
1271 ++iCond;
1272 PP(nObs+iCond) = Ph;
1273 for (int iPar = 1; iPar <= _params[sys].size(); iPar++) {
1274 cmbParam* pp = _params[sys][iPar-1];
1275 if ( pp &&
1276 AA.Column(iPar).maximum_absolute_value() > 0.0 &&
1277 pp->type == cmbParam::offACSat &&
1278 pp->prn == prn) {
1279 AA(nObs+iCond, iPar) = 1.0;
1280 }
1281 }
1282 }
1283 }
1284
1285 return success;
1286}
1287
1288// Process Epoch - Single-Epoch Method
1289////////////////////////////////////////////////////////////////////////////
1290t_irc bncComb::processEpoch_singleEpoch(bncTime epoTime, char sys, QTextStream& out,
1291 QMap<QString, cmbCorr*>& resCorr,
1292 ColumnVector& dx) {
1293
1294 // Check Satellite Positions for Outliers
1295 // --------------------------------------
1296 if (checkOrbits(epoTime, sys, out) != success) {
1297 return failure;
1298 }
1299
1300 // Outlier Detection Loop
1301 // ----------------------
1302 while (_running) {
1303
1304 // Remove Satellites that are not in Master
1305 // ----------------------------------------
1306 QMutableVectorIterator<cmbCorr*> it(corrs(sys));
1307 while (it.hasNext()) {
1308 cmbCorr* corr = it.next();
1309 QString prnStr = corr->_prn;
1310 bool foundMaster = false;
1311 QVectorIterator<cmbCorr*> itHlp(corrs(sys));
1312 while (itHlp.hasNext()) {
1313 cmbCorr* corrHlp = itHlp.next();
1314 QString prnHlp = corrHlp->_prn;
1315 QString ACHlp = corrHlp->_acName;
1316 if (ACHlp == _masterOrbitAC[sys] && prnStr == prnHlp) {
1317 foundMaster = true;
1318 break;
1319 }
1320 }
1321 if (!foundMaster) {
1322 delete corr;
1323 it.remove();
1324 }
1325 }
1326
1327 // Count Number of Observations per Satellite and per AC
1328 // -----------------------------------------------------
1329 QMap<QString, int> numObsPrn;
1330 QMap<QString, int> numObsAC;
1331 QVectorIterator<cmbCorr*> itCorr(corrs(sys));
1332 while (itCorr.hasNext()) {
1333 cmbCorr* corr = itCorr.next();
1334 QString prn = corr->_prn;
1335 QString AC = corr->_acName;
1336 if (numObsPrn.find(prn) == numObsPrn.end()) {
1337 numObsPrn[prn] = 1;
1338 }
1339 else {
1340 numObsPrn[prn] += 1;
1341 }
1342 if (numObsAC.find(AC) == numObsAC.end()) {
1343 numObsAC[AC] = 1;
1344 }
1345 else {
1346 numObsAC[AC] += 1;
1347 }
1348 }
1349
1350 // Clean-Up the Parameters
1351 // -----------------------
1352 for (int iPar = 1; iPar <= _params[sys].size(); iPar++) {
1353 delete _params[sys][iPar-1];
1354 }
1355 _params[sys].clear();
1356
1357 // Set new Parameters
1358 // ------------------
1359 int nextPar = 0;
1360
1361 QMapIterator<QString, int> itAC(numObsAC);
1362 while (itAC.hasNext()) {
1363 itAC.next();
1364 const QString& AC = itAC.key();
1365 int numObs = itAC.value();
1366 if (AC != _masterOrbitAC[sys] && numObs > 0) {
1367 _params[sys].push_back(new cmbParam(cmbParam::offACgnss, ++nextPar, AC, ""));
1368 }
1369 }
1370
1371 QMapIterator<QString, int> itPrn(numObsPrn);
1372 while (itPrn.hasNext()) {
1373 itPrn.next();
1374 const QString& prn = itPrn.key();
1375 int numObs = itPrn.value();
1376 if (numObs > 0) {
1377 _params[sys].push_back(new cmbParam(cmbParam::clkSat, ++nextPar, "", prn));
1378 }
1379 }
1380
1381 int nPar = _params[sys].size();
1382 ColumnVector x0(nPar);
1383 x0 = 0.0;
1384
1385 // Create First-Design Matrix
1386 // --------------------------
1387 Matrix AA;
1388 ColumnVector ll;
1389 DiagonalMatrix PP;
1390 if (createAmat(sys, AA, ll, PP, x0, resCorr) != success) {
1391 return failure;
1392 }
1393
1394 ColumnVector vv;
1395 try {
1396 Matrix ATP = AA.t() * PP;
1397 SymmetricMatrix NN; NN << ATP * AA;
1398 ColumnVector bb = ATP * ll;
1399 _QQ[sys] = NN.i();
1400 dx = _QQ[sys] * bb;
1401 vv = ll - AA * dx;
1402 }
1403 catch (Exception& exc) {
1404 out << exc.what() << "\n";
1405 return failure;
1406 }
1407
1408 int maxResIndex;
1409 double maxRes = vv.maximum_absolute_value1(maxResIndex);
1410 out.setRealNumberNotation(QTextStream::FixedNotation);
1411 out.setRealNumberPrecision(3);
1412 out << epoTime.datestr().c_str() << " " << epoTime.timestr().c_str()
1413 << " Maximum Residuum " << maxRes << ' '
1414 << corrs(sys)[maxResIndex-1]->_acName << ' ' << corrs(sys)[maxResIndex-1]->_prn.mid(0,3);
1415
1416 if (maxRes > _MAX_RES) {
1417 out << " Outlier" << "\n";
1418 delete corrs(sys)[maxResIndex-1];
1419 corrs(sys).remove(maxResIndex-1);
1420 }
1421 else {
1422 out << " OK" << "\n";
1423 out.setRealNumberNotation(QTextStream::FixedNotation);
1424 out.setRealNumberPrecision(3);
1425 for (int ii = 0; ii < vv.Nrows(); ii++) {
1426 const cmbCorr* corr = corrs(sys)[ii];
1427 out << epoTime.datestr().c_str() << ' '
1428 << epoTime.timestr().c_str() << " "
1429 << corr->_acName << ' ' << corr->_prn.mid(0,3);
1430 out.setFieldWidth(6);
1431 out << " res = " << vv[ii] << "\n";
1432 out.setFieldWidth(0);
1433 }
1434 return success;
1435 }
1436
1437 }
1438
1439 return failure;
1440}
1441
1442// Check Satellite Positions for Outliers
1443////////////////////////////////////////////////////////////////////////////
1444t_irc bncComb::checkOrbits(bncTime epoTime, char sys, QTextStream& out) {
1445
1446 // Switch to last ephemeris (if possible)
1447 // --------------------------------------
1448 QMutableVectorIterator<cmbCorr*> im(corrs(sys));
1449 while (im.hasNext()) {
1450 cmbCorr* corr = im.next();
1451 QString prn = corr->_prn;
1452
1453 t_eph* ephLast = _ephUser.ephLast(prn);
1454 t_eph* ephPrev = _ephUser.ephPrev(prn);
1455
1456 if (ephLast == 0) {
1457 out << "checkOrbit: missing eph (not found) " << corr->_prn.mid(0,3) << "\n";
1458 delete corr;
1459 im.remove();
1460 }
1461 else if (corr->_eph == 0) {
1462 out << "checkOrbit: missing eph (zero) " << corr->_prn.mid(0,3) << "\n";
1463 delete corr;
1464 im.remove();
1465 }
1466 else {
1467 if ( corr->_eph == ephLast || corr->_eph == ephPrev ) {
1468 switchToLastEph(ephLast, corr);
1469 }
1470 else {
1471 out << "checkOrbit: missing eph (deleted) " << corr->_prn.mid(0,3) << "\n";
1472 delete corr;
1473 im.remove();
1474 }
1475 }
1476 }
1477
1478 while (_running) {
1479
1480 // Compute Mean Corrections for all Satellites
1481 // -------------------------------------------
1482 QMap<QString, int> numCorr;
1483 QMap<QString, ColumnVector> meanRao;
1484 QVectorIterator<cmbCorr*> it(corrs(sys));
1485 while (it.hasNext()) {
1486 cmbCorr* corr = it.next();
1487 QString prn = corr->_prn;
1488 if (meanRao.find(prn) == meanRao.end()) {
1489 meanRao[prn].ReSize(4);
1490 meanRao[prn].Rows(1,3) = corr->_orbCorr._xr;
1491 meanRao[prn](4) = 1;
1492 }
1493 else {
1494 meanRao[prn].Rows(1,3) += corr->_orbCorr._xr;
1495 meanRao[prn](4) += 1;
1496 }
1497 if (numCorr.find(prn) == numCorr.end()) {
1498 numCorr[prn] = 1;
1499 }
1500 else {
1501 numCorr[prn] += 1;
1502 }
1503 }
1504
1505 // Compute Differences wrt. Mean, find Maximum
1506 // -------------------------------------------
1507 QMap<QString, cmbCorr*> maxDiff;
1508 it.toFront();
1509 while (it.hasNext()) {
1510 cmbCorr* corr = it.next();
1511 QString prn = corr->_prn;
1512 if (meanRao[prn](4) != 0) {
1513 meanRao[prn] /= meanRao[prn](4);
1514 meanRao[prn](4) = 0;
1515 }
1516 corr->_diffRao = corr->_orbCorr._xr - meanRao[prn].Rows(1,3);
1517 if (maxDiff.find(prn) == maxDiff.end()) {
1518 maxDiff[prn] = corr;
1519 }
1520 else {
1521 double normMax = maxDiff[prn]->_diffRao.NormFrobenius();
1522 double norm = corr->_diffRao.NormFrobenius();
1523 if (norm > normMax) {
1524 maxDiff[prn] = corr;
1525 }
1526 }
1527 }
1528
1529 if (_ACs.size() == 1) {
1530 break;
1531 }
1532
1533 // Remove Outliers
1534 // ---------------
1535 bool removed = false;
1536 QMutableVectorIterator<cmbCorr*> im(corrs(sys));
1537 while (im.hasNext()) {
1538 cmbCorr* corr = im.next();
1539 QString prn = corr->_prn;
1540 if (numCorr[prn] < 2) {
1541 delete corr;
1542 im.remove();
1543 }
1544 else if (corr == maxDiff[prn]) {
1545 double norm = corr->_diffRao.NormFrobenius();
1546 double facSys = 1.0;
1547 if (sys == 'C' &&
1548 prn.mid(1,2).toInt() <= 16) {// BDS-2
1549 facSys *= 5.0;
1550 }
1551 if (norm > (_MAX_DISPLACEMENT * facSys)) {
1552 out << epoTime.datestr().c_str() << " "
1553 << epoTime.timestr().c_str() << " "
1554 << "Orbit Outlier: "
1555 << corr->_acName.toLatin1().data() << " "
1556 << prn.mid(0,3).toLatin1().data() << " "
1557 << corr->_iod << " "
1558 << norm << "\n";
1559 delete corr;
1560 im.remove();
1561 removed = true;
1562 }
1563 }
1564 }
1565
1566 if (!removed) {
1567 break;
1568 }
1569 }
1570
1571 return success;
1572}
1573
1574//
1575////////////////////////////////////////////////////////////////////////////
1576void bncComb::slotProviderIDChanged(QString mountPoint) {
1577 QMutexLocker locker(&_mutex);
1578
1579 QTextStream out(&_log, QIODevice::WriteOnly);
1580
1581 // Find the AC Name
1582 // ----------------
1583 QString acName;
1584 QListIterator<cmbAC*> icAC(_ACs);
1585 while (icAC.hasNext()) {
1586 cmbAC *AC = icAC.next();
1587 if (AC->mountPoint == mountPoint) {
1588 acName = AC->name;
1589 out << "Provider ID changed: AC " << AC->name.toLatin1().data() << " "
1590 << _resTime.datestr().c_str() << " " << _resTime.timestr().c_str()
1591 << "\n";
1592 break;
1593 }
1594 }
1595 if (acName.isEmpty()) {
1596 return;
1597 }
1598 QMapIterator<char, unsigned> itSys(_cmbSysPrn);
1599 while (itSys.hasNext()) {
1600 itSys.next();
1601 char sys = itSys.key();
1602 // Remove all corrections of the corresponding AC
1603 // ----------------------------------------------
1604 QVector<cmbCorr*> &corrVec = _buffer[sys].corrs;
1605 QMutableVectorIterator<cmbCorr*> it(corrVec);
1606 while (it.hasNext()) {
1607 cmbCorr *corr = it.next();
1608 if (acName == corr->_acName) {
1609 delete corr;
1610 it.remove();
1611 }
1612 }
1613 // Reset Satellite Offsets
1614 // -----------------------
1615 if (_method == filter) {
1616 for (int iPar = 1; iPar <= _params[sys].size(); iPar++) {
1617 cmbParam *pp = _params[sys][iPar - 1];
1618 if (pp->AC == acName && pp->type == cmbParam::offACSat) {
1619 pp->xx = 0.0;
1620 _QQ[sys].Row(iPar) = 0.0;
1621 _QQ[sys].Column(iPar) = 0.0;
1622 _QQ[sys](iPar, iPar) = pp->sig0 * pp->sig0;
1623 }
1624 }
1625 }
1626 }
1627}
1628
1629//
1630////////////////////////////////////////////////////////////////////////////
1631bool bncComb::excludeSat(const t_prn& prn, const QStringList excludeSats) const {
1632 QStringListIterator it(excludeSats);
1633 while (it.hasNext()) {
1634 string prnStr = it.next().toLatin1().data();
1635 if (prnStr == prn.toString() || // prn
1636 prnStr == prn.toString().substr(0,1)) { // sys
1637 return true;
1638 }
1639 }
1640 return false;
1641}
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