2.-Ensuring-Quality

说明：  BCH码的Berklak-Massey算法，编程比较经典。(BCH code Berklak-Massey algorithm, compare the classic programming.)

51单片机和三菱变频器MODBUS RTU通信实例，里面有具体的通讯范例，方便初学者学习(51 single-chip microcomputer and mitsubishi inverter MODBUS RTU communication as an example, there is a specific communication paradigm, easy for beginners to learn)

说明：  该文件LDPC码的校验矩阵的matlab代码，可以使用该校验矩阵得到规则LDPC码。(Matlab code of LDPC check matrix)

说明：  LDPC 64QAM仿真程序 matlab 有具体的编码和解码源程序，对信道编码的人很有帮助(LDPC 64QAM simulation program matlab has specific coding and decoding source program, which is very helpful to channel coding people)

its a matlab code for ofdm with 16 qam

说明：  浅析OPNET建模机制，适合初学者,里面讲解的很详细(Analysis of OPNET modeling mechanism, suitable for beginners)

用于监控PLC，针对的是modbus协议(monitoring PLC with modbus protocol)

一个GPRS开发的例子，稍做修改，就可用在自己的项目中(The development of a GPRS example, some small modifications, you can use in their own projects)

使用matlab的LDPC编码，映射为64QAM，软解调(ldpc coding whic is very good)

线性调频信号和相位编码信号（七位巴克码）及他们的混合调制信号在matlab中的实现(The realization of the chirp signal and the phase-encoded signal (seven Barker code) and their hybrid modulation signal in matlab)