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An Estimation of Signal Parameters via Rotational Invariance Techniques (ESPRIT)-based method is presented to estimate the gain-phase errors of both transmit and receive arrays in bistatic multiple-input–multiple-output (MIMO) radar. Unlike the recent ESPRIT-like methods, the directions of unknown targets and uncalibrated array steering vectors are first estimated with ESPRIT-based algorithm, and...
A new method for estimating direction of arrival (DOA) of the strong and weak signals is proposed in the presence of array gain and phase mismatch. Firstly, the array gain and phase mismatch is estimated using the norm of the error vector between the practical steering vector and the theoretical vector of the strong signal, and then the data covariance matrix is calibrated. Secondly, the new seek...
This paper proposes an efficient direction-of-arrival (DOA) estimation algorithm for wideband signals from data collected using two sensors. Like the traditional wideband methods, this algorithm first decomposes wideband sources into narrowband bins. At each frequency bin, the cross-correlation between sensors is estimated to construct a Toeplitz matrix, which contains all angle information. Thus...
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