Robust direction of arrival estimation approach for unmanned aerial vehicles at low signal-to-noise ratios

Jian Lu,Jian Yang,Liu xinghai,Guangbin Liu,Yue Zhang

IET Signal Processing（2019）

引用 7|浏览13

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摘要

The conventional methods used to estimate the direction of arrival (DOA) of linear frequency modulated (LFM) signals at low signal-to-noise ratios (SNRs), such as the echoes reflected by a small unmanned aerial vehicle (UAV), demonstrate major performance deterioration. In order to eliminate the problem and achieve highly accurate DOA estimation for low-SNR echoes, this paper proposes a novel esti...

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关键词

autonomous aerial vehicles,correlation methods,direction-of-arrival estimation,echo,Fourier transforms,frequency modulation,matrix algebra,mean square error methods,mobile robots,Monte Carlo methods,signal classification

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