M-ary-QAM-in

matlab仿真LDPC码，对采样点数进行PPM编码，此代码加了保护时隙(The LDPC code is simulated by matlab, and the sampling points are encoded by PPM, which adds protection time slot.)

多径条件下基于WSF的均匀圆阵幅相误差自校正(WSF-based multipath conditions of uniform circular array amplitude and phase error self-correction)

通信系统的SystemView仿真，详细的说明了用SystemView这个软件做系统设计的步骤。(SystemView communication system simulation, a detailed description of the use of the software to do SystemView system design steps.)

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：  2. 关于无线信道的多普勒谱，请回答以下问题： (1) 在某些无线信道中，多普勒频移会引起无线信道输出信号的混叠。请描述产生混叠的各种原因； (2) 无线信道中的多普勒谱有一种经典谱(classic spectrum)，请解释产生这种谱形状的机理； (3) 请用Simulink工具编写代码(S-Function方式)，产生一单径瑞利信道，其多普勒谱为经典谱，其中移动速率为120km/h。并请描述：自己用计算机产生的经典谱是正确的依据。(2. Regarding the doppler spectrum of the wireless channel, please answer the following questions: (1) in some wireless channels, doppler frequency shift will cause aliasing of the output signals of the wireless channel.Describe the various causes of aliasing; (2) there is a classic spectrum in the doppler spectrum in the wireless channel, please explain the mechanism of producing this spectrum shape; (3) please use Simulink tool to write code (s-function mode) to generate a single-path Rayleigh channel, whose doppler spectrum is the classical spectrum, in which the moving rate is 120km/h.And please describe: your own computer generated classical spectrum is the correct basis.)

MIMO信道容量分析,分析不同信噪比情况下信道容量的变化及收发天线数的变化对信道容量的影响。(Ergodic Capacity of MIMO system)

串口程序，用于通过串口控制空调，可以在这个程序基础上修改其他代码(used for serial port)

【matlab编程代做】MATLAB实现ASK, OOK, FSK, BPSK, QPSK, 8PSK调制源代码([Matlab] MATLAB programming generation do realize ASK, OOK, FSK, BPSK, QPSK, 8PSK modulation source code)

说明：  基于simulink，对二进制基带信号使用bpsk调制解调，进行仿真与性能分析.(the simulink of bpsk)

说明：  Python实现Can接收发送 DBC分析报文 绘制曲线 支持离线回放(Python implements Can receive and send DBC analysis messages, draw curves, support offline playback)