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31 October 2022 Terrain telemetry method of power grid project based on RTK carrier phase difference
Min Wang, Zhengyan Zhu, Qiwei zhu, Yiyao Zhou
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Proceedings Volume 12457, Second International Conference on Testing Technology and Automation Engineering (TTAE 2022); 124571Q (2022) https://doi.org/10.1117/12.2660571
Event: Second International Conference on Testing Technology and Automation Engineering (TTAE 2022), 2022, Changchun, China
Abstract
To obtain the accurate terrain position information of the power grid infrastructure project, a corresponding terrain telemetry method based on RTK carrier phase difference technology is proposed, which is dedicated to solving the problems of low-definition telemetry images and large positioning error. The GPS positioning technology is adopted to detect detail points, adaptively adjust the prior estimation process of the Kalman filter state, and monitor the prior estimation covariance of parameter variables, then the posterior estimation vector of carrier phase difference is used to calculate the relative measurement value and integer ambiguity; after that, the large deviation of telemetry data is eliminated to obtain the most accurate telemetry result. The simulation showed that the proposed method has a small error and high accuracy in terrain position and distance of the power grid infrastructure project.
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Min Wang, Zhengyan Zhu, Qiwei zhu, and Yiyao Zhou "Terrain telemetry method of power grid project based on RTK carrier phase difference", Proc. SPIE 12457, Second International Conference on Testing Technology and Automation Engineering (TTAE 2022), 124571Q (31 October 2022); https://doi.org/10.1117/12.2660571
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KEYWORDS
Receivers
Interferometric synthetic aperture radar
Satellites
Global Positioning System
Remote sensing
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