Including the final calculation of the compressed image peak signal to noise ratio and compression of the source, Join repetitive control, Linear array using cut than learning laid upon the right control of the main sidelobe ratio.

直线阵列的自然指向性，任意指向性，加窗后情况。直线阵列的时域及频域波束形成。圆弧镇的时域频域波束形成。(The natural directivity of the linear array, the arbitrary directivity, and the case after the window. The time domain and frequency domain beamforming of a linear array. The time domain frequency d