MATLAB_GUI

Title : Implementation of quadrature modulation and demodulation Design Object : By implementing quadrature modulation and demodulation of analog signals in digital signal processing, students will have better understanding of sampling and frequency analysis of discrete-time signals. Design Content : Make a MATLAB function which performs quadrature modulation and demodulation for a input signal with anti-aliasing filtering.

说明：  神经网络与免疫算法的结合，用matlab编程实现一些小功能(Neural network with a combination of immune algorithm with matlab programming to achieve some small features)

本程序是用matlab仿真软件和解析法来计算光子晶体带隙的(this procedure is used Matlab simulation software and analytical method to calculate the photonic bandgap of)

电力谐波带来了严重的危害，有源滤波器是抑制电力谐波的一种有效手段。在Matlab 仿真环境中搭建了有 源滤波器的系统模型，并对其进行了仿真。仿真结果表明，各仿真模块能够完成各自的功能，整个系统的滤波效果非 常好。因而，该仿真模型能对软、硬件的设计起到重要的指导作用(Power Harmonics brought serious harm, active filter is an effective means of suppressing power harmonics. In the Matlab simulation environment to build a model of the active filter system and its simulation. The simulation results showed that the simulation module to complete their respective functions, the filtering effect of the whole system is very good. Thus, the simulation model capable of hardware and software design plays an important role in guiding)

用凯泽窗设计线性相位带通FIR滤波器 计算理想带通滤波器单位抽样响应ha(n)的M函数文件dbpfr.m 计算凯泽窗函数wk(n)的M函数文件kwnd.m(Keyser window design with linear phase FIR bandpass filter calculate an ideal band-pass filter response ha sampling units ( n) M function calculation Keyser dbpfr.m document window function wk (n) M-function document kwnd.m)

针对磨耗性踏面和60kg轨道利用半赫兹算法完成接触斑形状计算，相比传统赫兹算法更加准确符合实际情况(For the calculation of the tread wear and 60kg semi Hertz algorithm to complete the track contact patch shape, the algorithm is more accurate compared to traditional Hertz realistic)

分数阶傅里叶变换 Matlab仿真实现 单分量的LFM信号的检测和参数估计( Fractional Fourier Transform Matlab simulation to achieve a single-component LFM signal detection and parameter estimation)

说明：  此程序为时频分析工具箱，在MATLAB中添加此工具箱可对信号进行时频分析，无需再自己编写程序(This program is too frequency analysis toolbox, add to this toolbox in MATLAB can signal time-frequency analysis, no longer need to write your own program)

simulink环境下的永磁同步电机的位置环控制，速度曲线为梯形曲线。(simulink environment of permanent magnet synchronous motor position loop control, the speed curve is a trapezoid curve.)

基于matlab-simulink的mimo仿真模型，使用了ostbc编码技术，可以看到ber与锐利衰落的关系，成功运行。(Mimo simulation model based on Matlab-Simulink of ostbc coding techniques, you can see ber, and the sharp decline of the relationship, and run successfully.)