中文说明：matlab小波分析程序，利用最小二乘法进行拟合多元非线性方程，包括四元数的各种计算,通过虚拟阵元进行DOA估计，旋转机械二维全息谱计算，处理信号的时频分析。
English Description：
Matlab wavelet analysis procedures, using the method of least squares fitting multivariate nonlinear equations, including the quaternion calculation, the virtual array for DOA estimation, rotating machinery two-dimensional holographic spectrum calculation, signal processing of frequency analysis.