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2-D DOAs estimation in impulsive noise environments using joint diagonalization fractional lower-order spatio-temporal matrices 被引量:3
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作者 xia tieqi wan qun wang xuegang zheng yi 《Science in China(Series F)》 2008年第10期1585-1593,共9页
A novel joint diagonalization fractional lower-order spatio-temporal (ST) moments DOA matrix method is proposed to estimate the 2-D DOAs of uncorrelated narrowband signals in the presence of impulsive noise. The new... A novel joint diagonalization fractional lower-order spatio-temporal (ST) moments DOA matrix method is proposed to estimate the 2-D DOAs of uncorrelated narrowband signals in the presence of impulsive noise. The new method retains the advantage of the original ST-DOA matrix method which can estimate 2-D DOAs with neither peak searching nor pair matching. Moreover, it can handle sources with common 1-D angles. Simulation results show that the proposed method yields to better performance to restrain the strong impulsive noise than ST-DOA matrix method, especially for low signal-to-noise ratio case. 展开更多
关键词 DOA fractional lower-order moment impulsive noise joint diagonalization
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