In Coherent Scenes an Uncorrelated Noise Filtering Method for DOA Estimation at Low SNR

Chang He Yu; Jian Li Li

doi:10.4028/www.scientific.net/AMR.546-547.862

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 546-547In Coherent Scenes an Uncorrelated Noise Filtering...

In Coherent Scenes an Uncorrelated Noise Filtering Method for DOA Estimation at Low SNR

Abstract:

As we all know, noise always exists in any actual signal processing systems; its strength largely determines the working performance of one signal processing algorithm. Once the noise power is higher, many classical algorithms will lose the ability of the solution. In this paper, we propose a novel robust uncorrelated noise filtering method for direction of arrival (doa) estimation at low signal-to-noise ratio (snr) in coherent environment. Under the assumption of uncorrelated noise the proposed method can remove the uncorrelated noise variances from an array covariance matrix effectively. The characteristics of signal coherency structures and the simulation results using the novel method are presented.

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Advanced Materials Research (Volumes 546-547)

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862-867

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https://doi.org/10.4028/www.scientific.net/AMR.546-547.862

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Online since:

July 2012

Authors:

Chang He Yu, Jian Li Li

Keywords:

Emitter Location, Forward-Backward Spatial Smoothing Algorithm, Multiple Signal Classification Algorithm, White Noise Filtering

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