Analysis and correction of meteorological disturbance observed by ground radars in complex environment

Jijun Wang, Xiao Zhou, Songlin Yu, Bingzhen Li and Yan Li

PLOS ONE, 2021, vol. 16, issue 10, 1-12

Abstract: Ground radar interferometry technology, as a new tool for active remote sensing, has been widely used in the detection of a variety of targets, including landslides, bridges, mines, and dams. This technique usually employs a continuous observation mode with no space baseline. The detection accuracy is mainly affected by meteorological disturbances and noise in the observation environment. In a complex observation environment, meteorological disturbances can lead to phase errors of 10 mm or more, and the effects are different in the range and azimuth directions; this can seriously affect the accuracy of the measurement. In this paper, we analyze the spatial distribution of the phase of meteorological disturbances based on radar monitoring experiments in a complex environment, and propose a correction method that reduces the atmospheric disturbance phase to less than 0.6 mm and effectively improves radar observation accuracy.

Date: 2021
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0258168

DOI: 10.1371/journal.pone.0258168

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