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- 2017
接收机钟跳对单站GPS测速的影响及改正方法
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Abstract:
分析了各类钟跳与时标、载波相位观测值之间的关系,给出了顾及各类钟跳的导出多普勒值构造方法。试验结果表明,30 s采样率的静态数据,钟跳对速度的影响可达cm/s级,而1 s采样率的静态数据,钟跳影响可达dm/s级;对于5 s采样率的动态车载数据,顾及钟跳影响的点位速度内符合精度为0.5 cm/s,而不顾及钟跳的情况下,精度达到了25 cm/s
[1] | Hebert C J, Keith J, Ryan S, et al. DGPS Kinematic Carrier Phase Signal Simulation Analysis for Precise Aircraft Velocity Determination[C]. The ION GPS-97, Albuquerque, NM, 1997 |
[2] | Zhang X, Guo B, Guo F, et al. Influence of Clock Jump on the Velocity and Acceleration Estimation with a Single GPS Receiver Based on Carrier-Phase-derived Doppler[J]. <em>GPS Solutions,</em> 2013, 17(4): 549-559 |
[3] | Zhang J. Precise Velocity and Acceleration Determination Using a Standalone GPS Receiver in Real time[D]. Melbourne: RMIT University, 2007 |
[4] | Zhang Xiaohong, Guo Bofeng. Real-time Tracking the Instantaneous Movement of Crust During Earthquake with a Stand-alone GPS Receiver[J]. <em>Chinese Journal Geophysics,</em> 56(6): 1 928-1 936(张小红, 郭博峰.单站GPS测速在实时地震监测中的应用[J].地球物理学报,56(6): 1 928-1 936) |
[5] | Zhang J, Zhang K, Grenfell R, et al.On Real-time High Precision Velocity Determination for Standalone GPS Users[J]. <em>Survey Review</em>, 2008, 40(310): 366-378 |
[6] | Serrano L, Kim D, Langley R B. A Single GPS Receiver as a Real-time, Accurate Velocity and Acceleration Sensor[C]. The ION GNSS, Long Beach, California, 2004 |
[7] | van Graas F, Soloviev A. Precise Velocity Estimation Using a Stand-alone GPS Receiver[J]. <em>Navigation, </em>2004, 51(4): 283-292 |
[8] | Kim D, Langley R B. Instantaneous Real-time Cycle-slip Correction for Quality Control of GPS Carrier-Phase Measurements[J]. <em>Navigation, </em>2002, 49(4): 205-222 |
[9] | Kennedy S L. Precise Acceleration Determination from Carrier-phase Measurements[J]. <em>Navigation,</em> 2003, 50(1): 9-19 |
[10] | Guo F, Zhang X. Real-time Clock Jump Compensation for Precise Point Positioning[J]. <em>GPS Solutions,</em> 2014, 18(1): 41-50 |