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The accuracy of direction finding using antenna arrays with different array apertures is studied. Numerical simulations are performed using full-wave moment method. The undesirable mutual coupling effect is properly modelled and compensated using receiving-mutual-impedance and the direction finding is obtained using the Matrix Pencil Method. The results show that increasing the number of elements...
An experimental study of direction-of-arrival (DOA) estimation using a compact antenna array is presented. Compared to standard antenna array with a half wavelength element separation, the element separation of the compact array used in this experiment is only a quarter wavelength. As will be demonstrated, the strong mutual coupling effect of this compact array can be almost totally removed by using...
The existence of mutual coupling effect has been well known in the antenna array and array signal processing society. Most work on mutual coupling compensation has been in the area of direction finding and not much work has been contributed to near-field beam focusing and imaging. In this work, the problem of mutual coupling and its effect on a near-field beam focusing application is investigated...
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