Three_Phase_ACDCAC_PWMconverter

自己编写的Matlab源码，主要采用时域有限差分(FDTD)法实现色散介质的电磁仿真。(I have written Matlab source, the main use of finite difference time domain (FDTD) method to achieve the electromagnetic simulation of dispersive media.)

说明：  实验目的：对带通信号及其低通等效信号进行分析和仿真。 实验内容： 1、参考教材P24面例子，考虑如下带通信号，编写仿真程序实现，得出仿真结果。 （1） 画出该信号和它的幅度谱； （2） 求出该信号的解析信号，并画出它的幅度谱； （3） 求出并画出该信号的包络； （4） 分别假设 和 ，求该信号的低通等效，并画出它的幅度谱。 2、设带通信号为： 通过Matlab编程仿真实现： （1） 画出该信号和他的谱函数（包括幅度和相位） （2） 确定并画出解析信号的谱函数（包括幅度和相位） （3） 画出该信号的包络。 （步骤一，二中，设采样间隔为ts=0.002s）。 (Purpose: To Bandpass and lowpass equivalent signal analysis and simulation. Experiment: 1, reference materials P24 plane example, consider the following bandpass signals, writing simulation program implementation, simulation results obtained. (1) Draw the signal and its amplitude spectrum (2) Find the analytical signal of the signal, and plot its amplitude spectrum (3) Find and draw the envelope of the signal and (4) respectively assumptions and seeking the equivalent lowpass signal and draw its amplitude spectrum. 2, is provided with a communication number: Simulation by Matlab programming: (1) Draw the signal and his spectral function (including amplitude and phase) (2) to identify and draw the analytic signal spectral function (including amplitude and phase) (3) Draw the envelope of the signal. (Step one, two, and set the sampling interval ts = 0.002s).)

详细的卷积编码与维特比译码算法。产生随机信号，对信号进行卷积编码，然后经过数值转换、格雷编码，QPSK调制，进入加噪信道，之后进行QPSK解调，格雷解码， 数制转换、 维特比译码得到接收端的信号。(Detailed convolutional coding and Viterbi decoding algorithm. Random signal, the signal convolution coding, and then through numeric conversion, Gray coding, QPSK modulation, plus noise into the channel, followed by QPSK demodulation, decoding Gray, number system conversion, Viterbi decoding to get the receiving end of the signal.)

by using optisystem filter design

基于matlab的水平层状模型的pml完全吸收边界，参数和速度模型可以自行更改。(The horizontally layered model matlab pml based entirely absorbing boundary, parameters, and velocity model can make changes.)

RSSI定位技术，基于接受信号强度的定位算法的ui仿真系统(RSSI positioning technology is based on the UI simulation system of location algorithm based on signal strength.)

聚类 matlab dai ma聚类分析的 代码(cluster)

找了好久，才找到这个mctoolbox,功能很强大(i am looking for a long time mctoolbox)

天线圣经，每个学习天线的人必看经典。其中对天线的原理性描述非常深刻。(Antenna Bible study each antenna, a person must classic. The principle on which the description of the antenna is very profound.)

8FSK的调制信号的产生、理论误码率及实际误码率统计分析(8FSK modulation signal s theoretical and actual BER analysis)