中文说明： 脉冲响应的相关分析算法并检验，结合PCA的尺度不变特征变换(SIFT)算法，基于kaiser窗的双谱线插值FFT谐波分析，相控阵天线的方向图（切比雪夫加权），一个师兄的毕设，基于SVPWM的三电平逆变的matlab仿真。
English Description：
Pulse response of the correlation analysis algorithm and test, combined with PCA scale invariant feature transform (SIFT) algorithm, based on the Kaiser window double spectrum line interpolation FFT algorithm for harmonic analysis, phased array antenna directional diagram (Chebyshev weighted), a brother of complete set, matlab simulation based on SVPWM for three-level inverter.