包括广义互相关函数GCC时延估计，给出接收信号眼图及系统仿真误码率，感应双馈发电机系统的仿真，线性调频脉冲压缩的Matlab程序,结合PCA的尺度不变特征变换(SIFT)算法，表示出两帧图像间各个像素点的相对情况。- Including the generalized cross-correlation function GCC time delay estimation, The received signal is given eye and BER simulation systems, Simulation of doubly fed induction generator system, LFM pulse compression of the Matlab program, Combined with PCA scale invariant feature transform (SIFT) algorithm, Between two images showing the relative circumstances of each pixel.