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The mutual coupling matrix (MCM) of uniform linear array (ULA) can be modeled as a banded symmetric Toeplitz matrix. However, the MCM of MRLA is a symmetric but not a Toeplitz matrix. Many conventional calibration algorithms based on the banded symmetric Toeplitz matrix for ULA can't be applied to MRLA. Based on RBF neural network, a DOA estimation algorithm in the presence of mutual coupling for...
A 2D DOA estimation algorithm in the presence of unknown mutual coupling for Y-shaped array based on MUSIC algorithm is presented and performance comparison among ULA, L-shaped array and Y-shaped array is analyzed. This algorithm can simultaneously estimate DOA of signals and coupling coefficients of antenna array without any calibration sources or iterative operations. It not only calibrates mutual...
A self-calibration algorithm for Y-shaped array (SAY) is presented in the presence of mutual coupling. It utilizes special mutual coupling characteristics of Y-shaped array to decouple the azimuth (AZ)/elevation (EL) and mutual coupling coefficients of antenna array so that two kinds of parameter estimations can be realized without any calibration sources. Different from conventional self-calibration...
A self-calibration algorithm (SAL: self-calibration algorithm for L-shaped array) is presented for L-shaped array in the presence of mutual coupling. The proposed algorithm utilizes special mutual coupling characteristic of L-shaped array to decouple the signal source information (DOA) and coupling coefficients of antenna array so that two kinds of parameter estimations can be realized without any...
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