ASK FSK

用VC++6.0编写的USB通讯测试的程序，可以实现查找PC的USB外设，读取USB外设的设备描述符等功能。对USB通讯初学者有很大的帮助。(Written in VC++6.0 using USB communications test procedure, can be achieved to find PC' s USB peripherals, read the USB peripheral device descriptor functions. USB communication to the very helpful for beginners. )

本程序是用于PC与使用EtherNet/IP通讯协议的PLC进行通讯，采用C#语言编写。(This program is used for PC and the use of EtherNet/IP communication protocol PLC communication, using C# language.)

在n个城市建设通信网络，只需架设n-1条线路即可至少包含10个城市，城市数n由键盘录入，城市坐标由随机函数产生小于100的整数(In the construction of communication network in n cities, only n-1 lines are needed to include at least 10 cities. The number of cities n is input by keyboard, and the coordinates of cities are generated by random functions into integers less than 100.)

BCH编码的matlab程序，实现BCH（1023，1013）(BCH coding matlab program to achieve the BCH (1023,1013))

2ASK(OOK)信号的解调.svu 2ASK与MASK的功率谱.svu 2DPSK的差分编码与解码.svu 2FSK非相干解调.svu 2FSK相干解调.svu 2PSK与2DPSK调制.svu ASK的OOK法生成.svu Costas锁相环解调2DPSK.svu(2ASK (OOK) signal demodulation. Svu 2ASK MASK with the power spectrum. Svu 2 DPSK Differential encoding and decoding. svu 2FSK non-coherent demodulation. svu 2FSK coherent demodulation. sv u 2PSK with 2DPSK modulation. svu ASK Generation of OOK. Costas PLL svu Demodulation two DPSK.svu)

64QAM调制gray码映射在高斯信道下的误比特率和理论误比特率(64QAM modulation gray code mapping in Gaussian channel bit error rate and the theoretical bit error rate)

本程序是基于LABWINDOWS/CVI 的，主要是通过串口采集下位机信息，然后显示状态信息并通过串口发送命令字节。(The program is based on LABWINDOWS/CVI.It get message from RS232and display status,then send command by RS232.)

研究d2d通信加中继节点来优化蜂窝小区边缘用户通信，并通过MATLAB仿真(The D2D communication and relay nodes are studied to optimize the edge user communication of cellular cell, and the simulation is carried out by MATLAB.)

对给定语音信号进行抽样、量化和13折线PCM编码，经过传输后，接收端进行PCM译码，对此过程进行matlab仿真分析。(Given speech signal sampling, quantization and PCM 13 line coding, after transmission, the receiver for PCM decoding, matlab simulation of this process)

MATLAB的QPSK在瑞利、高斯和莱斯信道下仿真(The QPSK of MATLAB is simulated under Rayleigh, Gauss and rice channels.)