Real-time Precise Point Positioning Ambiguity Resolution Based on Phase Biasesormalsize

Shuang Zhao; Yang Li; E. Guorong Zhu; Yao Gao

doi:10.11728/cjss2019.04.512

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Real-time Precise Point Positioning Ambiguity Resolution Based on Phase Biasesormalsize

Shuang Zhao Yang Li E. Guorong Zhu Yao Gao

Year: 2019 Journal: Chinese Journal of Space Science Vol: 39 (4)Pages: 512-512 Publisher: Science Press

DOI: 10.11728/cjss2019.04.512

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Abstract

采用CNES发布的实时相位偏差数据，实现包含模糊度固定的实时精密单点定位.对全球10个IGS测站10天观测数据进行RTPPP解算，分别统计模糊度首次固定时间和定位精度，结果显示利用实时相位偏差数据能在平均30min内实现模糊度首次固定，模糊度固定时水平位置误差由6cm迅速降低至2cm左右，三维位置误差由10cm迅速降低至5cm左右，同时RTPPP模糊度固定在3h观测内可保持水平3cm、三维5cm左右的定位精度.通过分析得出，基于相位偏差的RTPPP模糊度固定技术具有较高的定位精度和定位稳定性，能够快速实现cm级定位.

Keywords:

Ambiguity resolution Phase (matter) Ambiguity Geodesy Point (geometry) Precise Point Positioning Resolution (logic) Computer science Remote sensing Physics Global Positioning System Geology Artificial intelligence Mathematics Geometry GNSS applications Telecommunications

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GNSS positioning and interference

Physical Sciences → Engineering → Aerospace Engineering

Geophysics and Gravity Measurements

Physical Sciences → Earth and Planetary Sciences → Oceanography

Inertial Sensor and Navigation

Physical Sciences → Engineering → Aerospace Engineering

Real-time Precise Point Positioning Ambiguity Resolution Based on Phase Biasesormalsize

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