Research on Self-Calibration of HF Ground Wave Radar Antenna Arrays

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Show simple item record Chun, Hong. en_AU Zhi-feng, Zhong. en_AU Rui, Wu. en_AU Bi-yang, Wen. en_AU 2007-03-12T22:05:28Z 2012-12-15T02:29:31Z 2007-03-12T22:05:28Z 2012-12-15T02:29:31Z 2007-03-12T22:05:28Z
dc.description.abstract Since the performance of high-resolution direction finding algorithm for HF Ground Wave Radar (GWR) is severely degraded by sensor phase and amplitude errors, the radar system's phase calibration is the prerequisite of keeping the radar working in order. According to the characteristic of HF GWR's sea echo, this paper, based on an arbitrary triangular array, presents that Space -Time DOA(direction of arrival) Matrix Method, which is used to estimate 2D DOA under ideal conditions, can be used to estimate planar wave's DOA and sensor phase and amplitude errors simultaneously so as to achieve self-calibration. Its validity is verified not only by computer simulation, but also by comparing treatment results of measured data before and after calibration with the GPS-measured result. en_AU
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dc.language.iso en_AU
dc.title Research on Self-Calibration of HF Ground Wave Radar Antenna Arrays en_AU
utslib.copyright.status Open Access

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