CircularHough_Grd

本文件介绍了matlab的数值计算和编程，利于加深matlab的学习(This document describes the Matlab numerical computation and programming, to help deepen the study of the matlab )

这是一个齿轮设计的软件,设计齿轮的参数全部动算出.(This is a gear design software, design parameters calculated move all the gear.)

搭建了一个OFDM系统，并用基于导频的方式进行了信道的估计，最后画出了系统在3条径下的瑞利信道时误比特率随信噪比的变化。(bulid a OFDM system,make channel estimation based on pilot signal,finally,plot ber when SNR changed)

cnv_encd.m　卷积编码程序 viterbi.m　　卷积译码程序 其它的是viterbi.m中用到的子函数(cnv_encd.m convolution coding procedures viterbi.m other convolution decoding process is used in viterbi.m Functions)

说明：  将观测到的原始GPS数据，使用matlab每天求一个平均值，代码中含有实例文件！(Assistant will observe the original GPS data, use matlab to calculate an average value every day, the code contains the instance file!)

实现MSK数字通信系统仿真。通信信道模型中的噪声为理想加性高斯噪声。接收端有自适应滤波器。(Simulate MSK communication system. Noise in communication channel is additive Gaussian noise. Adaptive filter is designed at receiving terminal.)

说明：  用matlab计算二维光子晶体带隙并做出带隙图 以及计算二维声子晶体（XY模）的能隙并作出图(2D Photonic crystal band structure 2D phonic crystal(XY model) band structure)

This program explain how FFT in Matlab works

MATLAB下的振动仿真 本科毕业设计，要的下(zhedongfang zhe matlab fdf)

kalman滤波matlab实现，环境是在双发单收的信道中，实现了信道的事实跟踪功能(kalman matlab channel estimated)