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Digital filter implementation examples

用于填冲图片中的空白域，设定一个种子点，然后从种子点开始填冲(Used to fill in the blank fields punch picture, set a seed point, and then rushed from the seeds begin to fill)

1)football.m简单地以阵列形式显示一副图； 2）pre.m是心音信号过滤归一化预处理的过程； 3）wavlet.m是用db6小波进行信号的分解和重构，且求包络能量函数； 4）path.m是利用KKT条件的路径跟踪法，用于求解二次规划问题； 5）LRmmse是MIMO通信中常用检测方法，结合了最小均方误差准则和格基规约的知识。(1) football.m simply displays a graph in an array 2) pre.m is the process of normalized preprocessing of heart sound signal filtering 3) wavlet.m is a db6 wavelet for signal decomposition and reconstruction, and to find the envelope energy function 4) path.m is the path tracking method using KKT condition, which is used to solve the quadratic programming problem. 5) LRmmse is a commonly used detection method in MIMO communication, combining the knowledge of minimum mean square error criterion and lattice protocol.)

说明：  对LFMCW雷达进行发射和接收信号的仿真，并进行测距(Simulation of LFMCW radar transmitting and receiving signals, and ranging)

经典Dijkstra算法的matlab实现(Dijkstra algorithm based in matlab)

这是一个Gabor小波的滤波器，利用Gabor小波进行滤波，同时与高斯窗函数结合(This is a Gabor wavelet filter, Gabor wavelet filter combined with Gaussian window function)

三相电源的MTALAB仿真，对于初学三相电的人，可以通过仿真直观的感受三相电波形分配(Three-phase power MTALAB simulation, three-phase power for the beginner who can intuitively feel the simulation waveform of three-phase power distribution)

低频信号先进行放大，再调制解调，设计发射(Low-frequency signal is first amplified, and then modulation and demodulation, the transmitter )

频谱分析和滤波器设计 ppt文件 MATLAB表述的信号和系统， 用MATLAB与信号流图求系统 频谱分析 离散频谱与连续频谱的转换(Spectrum analysis and filter design ppt file MATLAB expression signals and systems using MATLAB and signal flow diagram for the system spectral analysis of discrete spectrum and continuous spectrum conversion)

图像功率谱密度的快速计算方法，可选择滤波器及运算长度(Image power spectral density of the rapid calculation method to choose the length of filter and computing)