周期信号的频谱分析

surf算法对导入的图像在视频里做匹配，方框标记出来, 清晰易懂(use SURF detector to match object of interest )

music算法仿真程序 music算法是多重信号分类算法(MUSIC METHOD)

都是信号处理的一些内容，包括各种滤波器函数，小波函数，以及很多的滤波程序。非常有参考价值。matlab的(Signal processing are some of the elements, including various filter functions, the wavelet function, and many of the filtering process. Very valuable reference. the matlab)

this code of matlab finds the roots of equation by gauss elimination mthod

麦克风阵列的一些波束形成算法打包 可以很好的理解波束形成原理(Some of the microphone array beamforming algorithms can be packaged to form a good understanding of beam theory)

DVB-T2完整仿真程序，包括帧结构、信道编解码、OFDM调制等重要功能模块。学习OFDM通信系统有益参考程序。(DVB-T2 complete simulation program, including a frame structure, channel coding and decoding, OFDM modulation and other important functional modules. Learning OFDM communications system useful reference program.)

实现快速傅里叶变换函数的matlab程序，以2D作为基来写的(Fast Fourier transform function matlab program to 2D as a base to write)

用Matlab直接计算两个矩阵之间的笛卡尔距离，通用性高(Direct calculation using Matlab Cartesian distance between two matrices, general-purpose high)

对仿真信号进行时频分析，单峰检测，脊线提取，脊线拟合，计算脊线波动方差，从而判断信号类别。本次仿真采用的是线性调频信号，对其他信号也具有适用性。对仿真信号进行时频分析，单峰检测，脊线提取，脊线拟合，计算脊线波动方差，从而判断信号类别。(The time-frequency analysis of the simulation signal, unimodal detection, ridge line extraction, ridge line fitting, fluctuation variance calculation ridge line, to determine the signal classification.USES a linear frequency modulation signal, the simulation also has the applicability for other signals.The time-frequency analysis of the simulation signal, unimodal detection, ridge line extraction, ridge line fitting, fluctuation variance calculation ridge line, to determine the signal classification.)

说明：  用c产生一个高斯噪声 用了中值定理的内容(To generate a Gaussian noise with c With the contents of the mean value theorem)