matlab-control-toolsbox

短时fourier变换 tfrstft计算离散信号x（t）(Short-time fourier transform discrete signals tfrstft computing x (t))

主要是Matlab和Simulink相关的资料,包括Simulink使用手册,通信模块之类的。(Matlab and Simulink are mainly related information, including Simulink user manual, such as communication module.)

this is Laplace 2D . i solve with Jacobi Iteration method ,Point Gauss-seidel Interation method,Line Gauss-Seidel Iteration method ,Point Successive Over-Relaxation method (PSOR),Line Successive Over-Relaxation method (LSOR)

matlab + 最短路径 改进的蚁群算法(matlab+ improved ant colony algorithm for the shortest path)

This is a source code for having echo effect in sound via DSP techniques

1、不同阶次模拟巴特沃兹滤波器的频率响应 2、根据模拟滤波器指标，设计低通巴特沃兹滤波器 要求通带截止频率 fp = 5kHz, 通带最大衰减 ɑp =2dB， 阻带截止频率 fs= 12kHz, 阻 带最小衰减ɑs =30dB,按照上述指标设计巴特沃兹低通滤波器。 3、给定模拟滤波器，按照不同采样频率设计数字 IIR，观察采样频率对设计结果的影响 已知模拟滤波器传输函数 H(s)为 2 0.5012 ( ) 0.6449 0.7079 H s s s = + + 按照不同采样频率 Fs1=1Hz, Fs2=10Hz 使用脉冲响应不变法将 H(s)转换为 H(z)数字 IIR 滤波器。观察不同采样频率设计得到的数字 IIR 的差异。 4、给定数字 IIR 指标，用脉冲响应不变法设计 IIR。 数字低通滤波器的指标为: 0.2 , 1 , 0.3 , 15 p p s s ω π α ω π α = = = = dB dB ,使用巴特沃 兹滤波器设计数字 IIR。比较采样频率 Fs=1， 2 时设计过程中的模拟滤波器，数字滤波 器的变化。 5、用双线性变换法设计 IIR，并同脉冲响应不变法比较设计的结果。数字滤波器指标要 求如下 0.2 , 1 , 0.3 , 15 p p s s ω π α ω π α = = = = dB dB(1.Grasp the impulse response method and bilinear transformation design IIR filter principle and specific design methods, familiar with double A computer program for designing lowpass, bandpass and highpass IIR digital filters by linear design; 2 . familiar with the design of analog Butterworth filter, master impulse response method and bilinear transformation method to design digital IIR Filter method)

利用matlab进行动力学仿真之三，学习理论力学的同学可以参考一下(Dynamics simulation carried out using matlab third of the students to learn theoretical mechanics reference)

matlab 通信仿真。好(communication matlab simulation. Well)

说明：  基于MATLAB实现各种图片的读取显示及滤波功能,已经编译成功(Achieve a variety of images based on MATLAB to read display and filtering has been successfully compiled)

lassification som reseau