digital-signal-processing

Simulation of A to ground fault in a transmission system in SymPowerSystems. Also attached simple program to obtain a txt file with fault voltage values from standard .mat MATLAB file.

matlab中利用内点法实现二次规划的工具箱(matlab realize the point method utilizing quadratic programming toolbox)

the threshold is determined and the foreground and background are seperated

说明：  基于超外差的瞬时测频方法的研究。请多多指教(superheterodyne based on the instantaneous frequency measurement methods. Please exhibitions)

混合蛙跳算法程序，采用1、若干次运行取最优 2、增加进化代数maxgen 3、加大种群规模popsize。三种方法来可有效克服随机初始化带来的局部极小问题(Shuffled frog leaping algorithm, using one, several runs to take the best two, increasing evolution algebra maxgen 3, to increase the population size popsize. Three ways to effectively overcome local minima caused by random initialization problem)

自抗扰控制水箱 simulink 各种阶数(ADRC )

卡尔曼滤波器的matlab实现源代码，以函数形式给出，方便使用(Kalman Filter realize matlab source code, in order to function are given, user-friendly)

基于MATLAB语言编写，完成对语音信号的采集、频谱分析及滤波。 比较滤波前后语音信号的波形及频谱。 (Based on MATLAB language, complete speech signal spectrum analysis and collecting and filtering. Compare filter before and after speech signal waveform and spectrum.)

通信原理仿真的matlab实现振幅和相位联合调制(Matlab simulation communication principle to achieve amplitude and phase modulation)

matlab编写的读取IGS广播星历文件（.n）文件的程序。读取完成后将数据分类储存为cell格式和struct格式。(Matlab prepared to read IGS broadcast ephemeris file (.N) file procedures. After reading is finished, the data is sorted into cell and struct format.)