An effective DOA method via virtual array transformation |
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Authors: | Wang Yongliang CHEN Hui WAN Shanhu |
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Affiliation: | Wuhan Radar Institute, Wuhan 430010, China |
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Abstract: | A new DOA estimation method is presented for the virtual array transformation and the improved spatial smoothing algorithm. The new method not only overcomes the weakness of the ambiguity of DOA estimation of arbitrary array, but also improves the abilities of resolution and de-correlation. It is proven to be effective by theoretical analyses and computer simulations. What is more, the method can improve the estimation and resolution of DOA under the condition of sparse practical array. |
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Keywords: | DOA method virtual array transformation |
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