射线追踪法

这些都是通信系统仿真与分析一书的源代码，希望对初学者有用，从基本的理论很好的用matlab进行了最基本的仿真(These are the communications system simulation and analysis of the source code of the book, I hope useful for beginners, from the basic theory of good use to the most basic matlab simulation)

The Source Code of A New Technique of edge detection using cellular learning automata and fuzzy systems

直流电机的串电阻启动仿，主要基于simulink(Series resistance of the DC motor start simulation)

说明：  数学建模问题 玫瑰有约 MATLAB程序(one mathematic modeling problem having a meet with Rose matlab program)

Computer Vision resource code in matlab

二用户CDMA系统，信道为加性高斯信道，使用BPSK调制，15位M序列扩频，可以正确解扩解调。 输出为2用户的基带信号、扩频信号、PSK调制信号、解调信号的时域和频域特性，给出两个用户分别的误码率。 (Second, the user CDMA system, channel for the additive Gaussian channel, using BPSK modulation, 15 M Sequence Spread Spectrum, you can correct demodulation despreading. Output of 2 user' s baseband signal, spread spectrum signal, PSK signal modulation, demodulation signal time domain and frequency domain characteristics of the two users are given the bit error rate, respectively.)

卷积码convolutional codes生成程序，可以方便地生成任意参数的卷积码。(Convolutional code generator.)

卷积码的仿真及应用，通过matlab仿真过，得到了在不同信道上的性能(Convolutional code simulation and application, through the matlab simulation before, to get the performance in different channel)

国外几何光学、光学设计经典入门教材，浅显易懂，比较全面(Foreign geometrical optics, optical design classic entry materials, easy to understand, more comprehensive)

this is the research doc for mp3 stegnography