Changeset 2733 in ntrip

Timestamp:

Nov 29, 2010, 11:16:31 PM (13 years ago)

Author:

weber

Message:

PPP section updated

File:

• trunk/BNC/bncwindow.cpp (modified) (2 diffs)

trunk/BNC/bncwindow.cpp

@@ -369 +369 @@
                                     settings.value("pppGLONASS").toInt()));
 
-  
   _pppPlotCoordinates = new QCheckBox();
   _pppPlotCoordinates->setCheckState(Qt::CheckState(
@@ -466 +465 @@
   _serialFileNMEALineEdit->setWhatsThis(tr("<p>Specify the full path to a file where NMEA messages coming from your serial connected receiver are saved.</p>"));
   _serialHeightNMEALineEdit->setWhatsThis(tr("<p>Specify an approximate 'Height' above mean sea level in meter for your VRS to simulate an inital NMEA-GGA message.</p><p>The setting of this option is ignored in case of streams coming from physical reference stations.</p>"));
-  _pppMountLineEdit->setWhatsThis(tr("<p>Specify a mountpoint if you want BNC to estimate coordinates for the affected receiver position through a PPP solution.</p><p>Note that PPP in BNC requires to also pull a stream carrying RTCM Version 3 satellite orbit and clock corrections to Broadcast Ephemeris referring to the satellites' Antenna Phase Centers (APC). Stream CLK11 on NTRIP broadcaster www.igs-ip.net is an example.</p><p>Pulling in addition a third stream carrying Broadcast Ephemeris messages in high repetition rate is suggested if such messages are comeing from the receiver only in low repetition rate or dont come at all from there.</p>"));
-  _pppSPPComboBox->setWhatsThis(tr("<p>Choose between plain Single Point Positioning (SPP) and Precise Point Positioning (PPP).</p><p>Note that SPP doesn not require to pull a stream of Broadcast Ephemeris Corrections.</p>"));
+  _pppMountLineEdit->setWhatsThis(tr("<p>Specify a mountpoint if you want BNC to estimate coordinates for the affected receiver position through a PPP solution.</p><p>Note that PPP in BNC requires to also pull a stream carrying RTCM Version 3 satellite orbit and clock corrections to Broadcast Ephemeris referring to the satellites' Antenna Phase Centers (APC). Stream CLK11 on NTRIP broadcaster products.igs-ip.net is an example.</p><p>Pulling in addition a third stream carrying Broadcast Ephemeris messages in high repetition rate is suggested if such messages are comeing from the receiver in low repetition rate or don't come at all from there.</p>"));
+  _pppSPPComboBox->setWhatsThis(tr("<p>Choose between plain Single Point Positioning (SPP) and Precise Point Positioning (PPP).</p>"));
   _pppUsePhaseCheckBox->setWhatsThis(tr("<p>By default BNC applies a PPP solution using an ionosphere free P3 linear combination of code observations.</p><p>Tick 'Use phase obs' for an ionosphere free L3 linear combination of phase observations.</p>"));
   _pppEstTropoCheckBox->setWhatsThis(tr("<p>By default BNC does not introduce troposphere parameters when estimating coordinates.</p><p>Tick 'Estimate tropo' to introduce troposphere parameters when estimating coordinates.</p>"));
   _pppGLONASSCheckBox->setWhatsThis(tr("<p>By default BNC does not use GLONASS observations in PPP mode.</p><p>Tick 'Use GLONASS' for a combined processing of both, GPS and GLONASS observations in PPP mode.</p>"));
+  _pppPlotCoordinates->setWhatsThis(tr("<p>PPP time series of North (red), East (green) and Up (blue) coordinate components are shown in the 'PPP Plot' tab when this option is selected. Values will be either referred to an XYZ reference coordinate (if specified) or referred to the first estimated coordinate. The sliding PPP time series window will cover the period of the latest 5 minutes.</p><p>Note that a PPP time series makes only sense for a stationary operated receiver."));
   _pppNMEALineEdit->setWhatsThis(tr("<p>Specify the full path to a file where PPP results are saved as NMEA messages.</p>"));
   _pppNMEAPortLineEdit->setWhatsThis(tr("<p>Specify an IP port number to output PPP results as NMEA messages through an IP port.</p>"));
-  _pppSigCLineEdit->setWhatsThis(tr("<p>Enter a sigma for your code observations in meters.</p><p>5.0 (default) is likely to be an appropriate choice.</p>"));
-  _pppSigPLineEdit->setWhatsThis(tr("<p>Enter a sigma for your phase observations in meters.</p><p>0.02 (default) is likely to be an appropriate choice.</p>"));
-  _pppAverageLineEdit->setWhatsThis(tr("<p>Enter the length of a sliding time window in minutes. BNC will continuously output moving average positions computed from those individual positions obtained most recently throughout this period.</p><p>An empty option field (default) means that you don't wont BNC to output moving average positions.</p>"));
+  _pppSigCLineEdit->setWhatsThis(tr("<p>Enter a sigma for your code observations in meters.</p><p>The higher the sigma you enter, the less the contribution of code observations to a PPP solution based on a combination of code and phase data. 5.0 (default) is likely to be an appropriate choice.</p>"));
+  _pppQuickStartLineEdit->setWhatsThis(tr("<p>Enter the lenght of a startup period in seconds for which you want to fix the PPP solution to a known XYZ coordinate as introduced above. Fixing the coordinate is done in BNC through setting the 'XYZ White Noise' you define below temporarily to zero.</p><p>This so-called Quick-Start option allows the PPP solutions a rapidly converge. It requires that the antenna remains unmoved on the know position throughout the startup period.</p><p>A value of 120 (default) is likely to be an appropriate choice for 'Quick-Start'.</p>"));
+  _pppSigPLineEdit->setWhatsThis(tr("<p>Enter a sigma for your phase observations in meters.</p><p>The higher the sigma you enter, the less the contribution of phase observations to a PPP solutions based on a combination of code and phase data. 0.02 (default) is likely to be an appropriate choice.</p>"));
+  _pppAverageLineEdit->setWhatsThis(tr("<p>Enter the length of a sliding time window in minutes. BNC will continuously output moving average positions computed from those individual positions obtained most recently throughout this period.</p><p>An empty option field (default) means that you don't want BNC to output moving average positions.</p>"));
+  _pppSigCrd0->setWhatsThis(tr("<p>Enter a sigma in meters for the initial XYZ coordinate componentes. A value of 100.0 may be an appropriate choice.</p>"));
+  _pppSigCrdP->setWhatsThis(tr("<p>Enter a sigma in meters for the 'White Noise' of estimated XYZ coordinate components. A value of 100.0 may be appropriate considering the potential movement of a rover position.</p>"));
+  _pppSigTrp0->setWhatsThis(tr("<p>Enter a sigma in meters for the a priory model based tropospheric delay estimation. A value of 0.1 (default) may be an appropriate choice.</p>"));
+  _pppSigTrpP->setWhatsThis(tr("<p>Enter a sigma in meters per second to describe the variation of the tropospheric effect.</p><p>Supposing 1Hz observation data, a value of 1e-6 (default) would mean that the tropospheric effect may vary for 3600*1e-6 = 0.0036 meters per hour.</p>"));
   _pppRefCrdXLineEdit->setWhatsThis(tr("<p>Enter reference coordinate X of the receiver's position.</p>"));
   _pppRefCrdYLineEdit->setWhatsThis(tr("<p>Enter reference coordinate Y of the receiver's position.</p>"));
   _pppRefCrdZLineEdit->setWhatsThis(tr("<p>Enter reference coordinate Z of the receiver's position.</p>"));
-  _bncFigurePPP->setWhatsThis(tr("PPP time series of North (red), East (green) and Up (blue) coordinate components are shown in the 'PPP Plot' tab when a appropriate option is applied via 'Origin'. Values are either referred to reference coordinates (if specified) or referred to the first estimated set of coordinate compoments. The sliding PPP time series window covers the period of the latest 5 minutes."));
+  _bncFigurePPP->setWhatsThis(tr("PPP time series of North (red), East (green) and Up (blue) coordinate components are shown in the 'PPP Plot' tab when the corresponting option is selected above. Values are either referred to an XYZ reference coordinate (if specified) or referred to the first estimated set of coordinate compoments. The sliding PPP time series window covers the period of the latest 5 minutes."));
 
   // Canvas with Editable Fields