QPSK123

仿真MIMO系统，采用STBC编码，发射天线数目为2，接收天线数目为2(The MIMO system is simulated with STBC coding, the number of transmit antennas is 2, and the number of receiving antennas is 2)

说明：  采用Mackay构造H矩阵的LDPC码仿真。(LDPC code simulation of H matrix constructed by Mackay)

光通信OFDM系统下的ACO-OFDM和DCO-OFDM系统实现和比较( U5149 u901A u4FE1OFDM u7CFB u7EDF u4E0B u7684ACO-OFDM u548CDCO-OFDM u7CFB u7EDF u5B9E u73B0 u548C u6BD4 u8F83)

16QAM调制的OFDM，在限幅作用下输入输出互信息的变化情况(Mutual information of 16QAM modulated OFDM, with various clipping )

BPSK调制在高斯信道下的性能，误比特率和信噪比的曲线(BPSK modulation performance under gaussian channel, signal to noise ratio and bit error rate curve )

opnet 仿真，陈敏老师2015年新书 opnet物联网仿真(opnet Simulation)

用matlab模拟实现了dsb调制与解调，效果不错。代码不长。(Using MATLAB simulation to achieve DSB modulation and demodulation, the effect is good. The code is not long.)

说明：  51单片机，通过人体红外热释电模块检测人数，并计数。(51 single chip computer, through the human body infrared pyroelectric module to detect the number of people, and count.)

使用NMEA0183的gps服务程序原码(use of a GPS NMEA0183 service program source)

电力最常用的规约的学习资料，包括101,102,103,104，modbus，cdt，其中104还有测试程序，及解析工具；( The most commonly used power statute learning materials, including 101,102,103,104, modbus, cdt, where there are 104 test procedures, and analysis tool )