目标信号为CW信号，阵型为八元阵，采用五路并联Notch滤波器进行相位差估计，完成水声定位功能。本程序是项目中的，已经经过调试和优化，可放心使用。(The target signal is CW signal, the array is eight yuan array, and the five phase parallel Notch filter is used for phase difference estimation to