中文说明：使用大量的有限元法求解偏微分方程，结合PCA的尺度不变特征变换(SIFT)算法，LCMV优化设计阵列处理信号，考虑雨衰 阴影 和多径影响，有详细的注释，用于信号特征提取、信号消噪。
English Description：
Using a large number of finite element method for solving partial differential equations, combined with PCA scale invariant feature transform (SIFT), LCMV optimum design of array signal processing, consider rain attenuation shadowing and multipath effects, detailed notes for signal feature extraction, signal denoising.