中文说明： 相控阵天线的方向图（切比雪夫加权），基于小波变换的数字水印算法matlab代码，雅克比迭代求解线性方程组课设,自己编的5种调制信号，关于超声波倒车雷达测距的，验证可用。
English Description：
Phased array antenna directional diagram (Chebyshev weighted), digital watermarking based on wavelet transform algorithm matlab code, Jacobi iteration for solving linear equations of course, their own series of five kinds of modulation signal, about ultrasonic reversing radar ranging, verification is available.