Abstract
According to the characteristic of the echo of high-frequency ground wave radar(HF GWR), which is one-dimensional narrow band signal, a virtual direction of arrival(DOA) matrix is constructed at first, then the DOA of target evaluation is achieved by the method of resolving equations for two-dimensional DOA matrix. And this method bases on the redundancy information of a linear two-row array of antennae. Both the simulation process and the treatment results of measured data (in the case of low SNR echoes and short data series) are given at the end of this paper. By comparing with GPS data of the targets, the validity and practical applicability of the method in this paper is verified.
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Foundation item: Supported by the National High Technology and Development Program of China (2001AA631050)
Biography: HUANG Jian(1977-), male, Ph.D. candidate, research direction: radar signal processing, target detection and tracking.
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Huang, J., Zhong, Z. & Wen, B. Estimation of the direction of arrival using virtual matrix method for HF ground wave radar. Wuhan Univ. J. of Nat. Sci. 12, 289–293 (2007). https://doi.org/10.1007/s11859-006-0039-8
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DOI: https://doi.org/10.1007/s11859-006-0039-8