zf_4qam_22

说明：  多用户MIMO预编码之类的代码，帮助初学者进行编程，环境为MATLAB(Multi user MIMO precoding and other codes help beginners to program, and the environment is matlab)

Logika 25s controllers Modbus alarm codes documentation

此代码是关于BPSK-OFDM信号调制代码，简单编码叙述者整个调制过程，可直接运行出结果(BPSK-OFDM signal modulation code)

16位CRC校验原理与算法分析，很详尽，学习CRC16的重要资料。(16-bit CRC checksum algorithm theory and analysis, very detailed and important information to learn CRC16.)

用于信捷PLC与Labview之间的通信，可以作为学习的初版(Used for the communication between Sinjie PLC and Labview, it can be used as the first edition of learning.)

数字通信中的DBPSK调制解调的原理和过程, 通过用Matlab 对这一过程的编程,分析信号在理想信道和加噪信道中传输时的(The principle and process of DBPSK modulation and demodulation in digital communication are analyzed. By programming this process with Matlab, the transmission of signal in ideal channel and noised channel is analyzed.)

说明：  qpsk基带调制和解调matlab程序，包括gardner位同步(qpsk modulate and demodulate in baseband use matlab code,including gardner time synchronization)

说明：  求解广义非线性薛定谔方程的频移方程 与分步傅里叶法不同，解决了非线性系数随波长变化的问题(Solving the frequency shift equation of GNLSE)

对脉冲多普勒雷达的功能进行仿真，多目标，脉压，分辨率(matlab pd multi something useful)

说明：  ofdm 信道估计 16qam MMSE估计 对比了块状导频和梳状导频的区别(ofdm channel 16qam MMSE compare with block pilot and comb pilot)