Changeset 10933 in ntrip
- Timestamp:
- Jun 17, 2026, 3:43:07 PM (5 days ago)
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trunk/BNC/src/bnchelp.html (modified) (4 diffs)
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trunk/BNC/src/bnchelp.html
r10931 r10933 23 23 <div> 24 24 <img src="IMG/BKG_Logo_oS.jpg" alt="bkg_logo" style="float:left;width:100px;margin-left:20px;margin-top:20px;"/> 25 <img src="ntrip-logo.png" alt="ntrip_logo" style="float:right;width:80px;margin-rig th:20px;margin-top:20px;"/>25 <img src="ntrip-logo.png" alt="ntrip_logo" style="float:right;width:80px;margin-right:20px;margin-top:20px;"/> 26 26 </div> 27 27 <br><br><br><br><br><br> … … 203 203 2.13.2.9.1 <a href=#ppppseudogimobs>GIM Pseudo Observations</a><br> 204 204 2.13.2.10 <a href=#pppar>PPP-AR Options</a><br> 205 2.13.2.10.0 <a href=#ppparmethod>PPP-AR Algorithm Description</a><br> 205 206 2.13.2.10.1 <a href=#ppparsys>Constellations</a><br> 206 207 2.13.2.10.2 <a href=#ppparmin>Min # Epo and Sat</a><br> … … 4518 4519 <p><h4 id="pppar">2.13.2.10 PPP-AR Options - optional</h4></p> 4519 4520 <p> 4520 The algorithm for the ambiguity resolution is the Best Integer Equivariant (BIE) algorithm described in Teunissen (2005). 4521 It generally reveals float ambiguities, not integers. However, the distance between the (float) BIE 4522 result and the nearest integer (the fractional part of the BIE result) is a very good criterion for the reliability of the resolved ambiguity. 4523 In addition it is possible to compute a variance (or its squareroot – sigma) of each resulting BIE ambiguity. 4524 </p> 4525 <p> 4526 Reference: 4527 </p> 4521 The BNC PPP ambiguity resolution combines two classical methods: 4522 <ul> 4523 <li>the <b>LAMBDA</b> (Least-squares AMBiguity Decorrelation Adjustment) algorithm for the integer search, and </li> 4524 <li>the <b>BIE</b> (Best Integer Equivariant) weighting for the final estimate.</li> 4525 </ul> 4526 The Best Integer Equivariant (BIE) algorithm is described in 4528 4527 <p> 4529 4528 Teunissen P.J.G. (2005) GNSS Best Integer Equivariant Estimation. In book: A Window on the Future of Geodesy. pp. 422-427. Sanso, F., Berlin: Springer. Inpress. … … 4531 4530 </p> 4532 4531 4533 <p><h4 id="ppparmethod">2.13.2.10.0 Algorithm Description</h4></p> 4534 <p> 4535 The BNC PPP ambiguity resolution combines two classical methods: the 4536 <b>LAMBDA</b> (Least-squares AMBiguity Decorrelation Adjustment) algorithm for the integer search, 4537 and <b>BIE</b> (Best Integer Equivariant) weighting for the final estimate. 4538 The following describes the individual steps as implemented in <tt>src/PPP/ambres.cpp</tt> and <tt>src/PPP/lambda.cpp</tt>. 4532 <p><h4 id="ppparmethod">2.13.2.10.0 PPP-AR Algorithm Description</h4></p> 4533 <p> 4534 The following describes the individual steps as implemented for BNCs PPP-AR solution. 4539 4535 </p> 4540 4536
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