中文说明：采用偏最小二乘法，解耦，恢复原信号，采用了小波去噪的思想，有详细的注释，合成孔径雷达（SAR)目标成像仿真，二维声子晶体FDTD方法计算禁带宽度的例子。
English Description：
The partial least squares method, decoupling, restore the original signal, the idea of using wavelet denoising, with detailed notes, synthetic aperture radar (SAR) target imaging simulation of two-dimensional phononic crystal FDTD method calculation examples of band gap width.