4-Dipole Array Simulations demonstrates the pattern of an array of 4 elements, pointing in the z direction and placed along the x axis with equal spacing d=0.5 wavelength. The program has also shown the pattern of the array as the progressive phase

Calculating a target and ocean echo power spectral density, You can get a very accurate amplitude, frequency, phase estimation, Conducted through virtual array DOA estimation.

基于麦克风阵列的音源定位matlab算法(A matlab algorithm based on microphone array for sound source location)