OFDM_MATLAB_simulation

magnetic field from a straight wire

Code for program a robot diferencial

Running test programming

目前主流的lms算法实现，采用随机数最为种子。(The current mainstream lms algorithm, using the most random number seed.)

通信系统matlab仿真可能用到的程序，比如高斯噪声，功率算法，并联与直联系统的转换等(Telecommunication system may be used in matlab simulation , for instance gaussian noise, power algorithm, parallel and straight league system conversion etc)

说明：  三维双凹激光振荡，采用菲涅尔衍射和fox-li方法，得到两维幅度和相位输出。(Three-dimensional double-concave laser oscillation, using Fresnel diffraction and the method of fox-li, the two-dimensional amplitude and phase output.)

基于协作的认知无线电中，AF，DF协议及未采用协作分集技术的中断概率的实验仿真程序(In collaborative spectrum sensing cognitive radio, AF, DF protocol and did not use cooperative diversity outage probability experiment simulation program)

文件中包含了Turbo码和卷积码误码率的对比，其中Turbo码采用了BCJR译码算法，迭代次数分别为1、2、3、4次。文件中包含了源代码和分析文档(File contains a comparison of Turbo code and convolution code BER, which Turbo code decoding algorithm used BCJR iterations respectively 1,2,3,4 times. File contains the source code and documentation analysis)

说明：  使用非线性共轭梯度法求解优化问题，使用matlab编程求解，是最优化方向的基本代码(Using nonlinear conjugate gradient method to solve the optimization problem and MATLAB programming to solve it is the basic code of the optimization direction)

comparison of BER of unipolar line coding and polar line coding. graph of BER vs SNR