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Detection of the number of signals is a key issue in array signal processing. In the case of small number of snapshots, the performance of Akaike Information theoretic Criteria (AIC) and Maximum Description Length (MDL) will deteriorate due to the large estimation error of covariance matrix of observed data. In this paper a new method for detecting the number of signals based on Multi-Stage Wiener...
There are several studies in literature that investigated the direction of arrival estimation of wide band signals. In our previous study [1] using array interpolation in non-uniform linear arrays (NLA) for estimating arrival direction of wideband signals via Wiener formulization and initial estimate of the arrival angles is proposed as a new approach. During the array interpolation it was assumed...
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