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

Chun, H; Zhi-Feng, Z; Rui, W; Bi-Yang, W

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

Chun, H Zhi-Feng, Z Rui, W Bi-Yang, W

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Publication Type:: Conference
Issue Date:: 2007-03-12T22:05:28Z

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Field	Value	Language
dc.contributor.author	Chun, H	en_AU
dc.contributor.author	Zhi-Feng, Z	en_AU
dc.contributor.author	Rui, W	en_AU
dc.contributor.author	Bi-Yang, W	en_AU
dc.date.accessioned	2007-03-12T22:05:28Z
dc.date.accessioned	2012-12-15T02:29:31Z
dc.date.available	2007-03-12T22:05:28Z
dc.date.available	2012-12-15T02:29:31Z
dc.date.issued	2007-03-12T22:05:28Z
dc.identifier.uri	http://hdl.handle.net/10453/19583
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
dc.format.extent	97291 bytes
dc.format.mimetype	application/pdf
dc.language.iso	en_AU
dc.relation.replaces	http://hdl.handle.net/2100/66
dc.title	Research on Self-Calibration of HF Ground Wave Radar Antenna Arrays	en_AU
dc.type	Conference
utslib.copyright.status	open_access

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.

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http://hdl.handle.net/10453/19583