Known_multipath_channel

说明：  用于快时变信道的信道估计算法，基于BEM实现(The channel estimation algorithm for fast time-varying channel is implemented based on BEM)

QAM高阶调制 恒模盲均衡算法 CMA Equalization Algorithm(QAM CMA Equalization Algorithm)

串口程序，实现串口发送，接受文件，用户只有少做修改就可以为自己所有(Serial procedures, implementation serial send, receive documents, the user only a few modifications can make all their own)

仿真二进制正交信号通过AWGN信道后的误比特率性能，每个信号周期取样10次，接收端采用相关器，Eb/N0的范围是0到12dB(Simulation binary quadrature signals by the bit error rate performance in an AWGN channel, each signal cycle sampled 10 times, the receiving side uses the correlation Eb/N0 is the range of from 0 to 12dB)

说明：  很久很久之前，收藏的一份 清华大学 p2p相关的研究文献，希望对有需要的人有帮助，非常难得(Long, long ago, a collection of P2P-related research literature collected by Tsinghua University, hoping to help people in need, is very rare.)

C#与西门子PLC通信开源工具，支持西门子200，300，400，1200以及1500系列PLC(support SIEMENS 2003004001200 and 1500 series PLC)

103转modbus协议C程序，支持多个485端口并能够配置(103 turn modbus protocol C program, more than 485 ports and supports the ability to configure)

用于LDPC编码译码的仿真实现。包括随机生成校验矩阵、由校验矩阵产生生成矩阵、编码、加随机噪声、译码等内容。(For LDPC codec simulation. Including randomly generated check matrix, generated by the parity check matrix generator matrix, coding, plus random noise, such as decoding.)

使用遗传算法优化了阵列天线方向图，亲自打的代码，已验证可使用(Genetic algorithm is used to optimize the pattern of the antenna array, and the code has been verified to be available.)

数字基带信号通过瑞利信道（rayleichangh），在多径时延的条件下，通过自相关函数看其时延大小。(Digital baseband signal by Rayleigh channel (rayleichangh), under conditions of multipath delay, the autocorrelation function of the delay size.)