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说明：  在光接入网中采用DFE均衡的方法来降低误码率。(In optical access network, DFE equalization is used to reduce the bit error rate.)

matlab code for convolutional codes

matlab 编写的下雪程序，很适合在冬天看雪花落下过程(Matlab prepared by the snow program, it is suitable in the winter to see snow falling process)

这个源码包含了LT码的编码和解码过程啦。(The orginal code includs the encoding and decoding process of LT code)

OFMD通信系统的MATLAB程序，也是其基本框架。( 翻译 英语 中文 德语 检测语言 中文(简体) 英语 日语 OFDM通信系统的MATLAB程序 OFDM communications system MATLAB program)

说明：  通过复杂例子，采用误差反向传播的BP算法，实现Kp、Ki、Kd参数自整定(Through complex examples, BP algorithm of error back propagation is adopted to realize self-tuning of Kp, Ki and Kd parameters)

对阵矩阵的三对角化：用householder方法将n阶实对称矩阵约化成三对角形式(With the householder method to n-order real symmetric matrix into tridiagonal form )

input file of ode 45

结构分析的有限元与matlab一书中的源代码第五部分，二维线弹性有限元(originnl programs in the book of finite element method in structure analyses and matlab programming part 5)

Introduction to PID for automation and control system