窄带信号频率和角度估计新方法

doi:10.3969/j.issn.1001-2400.2010.03.017

Abstract

Abstract:

For the problem of the frequency and direction of arrive (DOA) united estimation of the narrow band signal for a wide band receiver, a novel quick method is proposed. First, the pre-estimation is used to get the pre-estimating DOA with the reference frequency, then the space filtering method is used to make the match of the signal pre-estimating DOA with its frequency, and the corresponding frequency is used to adjust the pre-estimating DOA according to the characteristic of the antenna configuration, so that, the precise signal frequency and its DOA are obtained at the same time. Simulation indicates that the proposed method is correct and effective for estimating the frequency and DOA of a narrow signal for a wide band receiver.

Key words: array signal processing, direction of arrive estimation, frequency estimation, wide-band receiver

LIU Xiao-jun;LIU Cong-feng;LIAO Gui-sheng. Novel method for the narrow band signal frequency and angle estimation[J].J4, 2010, 37(3): 481-486.

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Novel method for the narrow band signal frequency and angle estimation

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