QPSK定时同步代码，采用Gardner定时同步算法 qpsk_demod

OFDM功率谱密度和OFDM子载波频谱/仿真分析OFDM信号的频谱特性和功率谱特性(The spectrum characteristics and power spectrum characteristics of OFDM signals are simulated and analyzed)

一个即时的客户端和服务端的聊天室........000000000(An instant client and server chat room.......00000000000)

三种随机构造法：Gallager_getH、Mackay_getH、PEG_getH(Three random construction methods: Gallager_getH, Mackay_getH, PEG_getH)

对数字信号进行相位幅度调制，并在接收端成功解调(QAM of Digital Signal and Successful Demodulation at Receiver)

iec103 规约上位机源代码，喜欢的就下吧。(iec103 Statute of the host computer source code, like on the next bar.)

利用MATLAB/simulink实现4FSK调制(Using matlab simulink for simulation modulation 4FSk)

说明：  用于通信方向中的信道估计，使用的语言是matlab(Used for channel estimation in the communication direction, the language used is matlab)

DNP3通讯报文解析工具，由于查看理解DNP通讯报文(DNP3 Communications Message Parsing Tool, Due to Viewing and Understanding DNP Communications Messages)

ofdm papr降低pts技术（三种分割法源代码）(ofdm papr)

多个信道模型仿真模型MATLAB源码，包括自由空间路径损耗函数、Okumura-Hata模型、COST231-WI视距模型、COST231-WI非视距模型、Rayleigh信道及COST-231 Hata模型等。(Multiple chanel model simulation with MATLAB code, include wireless_free_space_attenuation model, Okumura-Hata model, COST231-WI LOS model, COST231-WI NLOS model, Rayleigh model, etc al.)