- Timestamp:
- Jun 9, 2023, 10:24:06 AM (18 months ago)
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trunk/BNC/src/bnchelp.html
r10084 r10086 4281 4281 </p> 4282 4282 4283 <p><h4 id="pppsignalpriorities">2.13.2.7 Signal Prio tities - optional</h4></p>4283 <p><h4 id="pppsignalpriorities">2.13.2.7 Signal Priorities - optional</h4></p> 4284 4284 <p> 4285 4285 Specify a list of signal priorities (2 frequencies per system) for the observations that shall be used for PPP. … … 4386 4386 </ul> 4387 4387 </p> 4388 The clock combination can be based either on a plain 'Single-Epoch' or on a Kalman 'Filter' approach.4389 In the Kalman Filterapproach, satellite clocks estimated by individual Analyses Centers (ACs) are used as pseudo4388 The clock combination can be based either on a plain 'Single-Epoch' or on a 'Kalman Filter' approach. 4389 In the 'Kalman Filter' approach, satellite clocks estimated by individual Analyses Centers (ACs) are used as pseudo 4390 4390 observations within the adjustment process. Each observation is modeled as a linear function (actually a simple sum) 4391 4391 of three estimated parameters: … … 4410 4410 Removing the AC-dependent biases as well as possible is a major issue with clock combinations. 4411 4411 Since they vary in time, it can be tricky to do this. Otherwise, there will be artificial jumps in the combined clock stream 4412 if one or more AC contributions drop out for certain epochs. Here the Kalman Filterapproach is expected to do better than the4413 Single-Epochapproach.4412 if one or more AC contributions drop out for certain epochs. Here the 'Kalman Filter' approach is expected to do better than the 4413 'Single-Epoch' approach. 4414 4414 </p> 4415 4415 <p> … … 4508 4508 <p><h4 id="combimethod">2.14.1.2 Method - mandatory if 'Combine Corrections' table is populated</h4></p> 4509 4509 <p> 4510 Select a clock combination method. Available options are Kalman 'Filter' and 'Single-Epoch.4511 It is suggested to use the Kalman Filterapproach in case the combined stream of Broadcast Corrections4510 Select a clock combination method. Available options are 'Kalman Filter' and 'Single-Epoch'. 4511 It is suggested to use the 'Kalman Filter' approach in case the combined stream of Broadcast Corrections 4512 4512 is intended for Precise Point Positioning. 4513 4513 </p>
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