csk_coherent

说明：  整个仿真系统是从发射端、瑞利信道、接收端大致的过程(The entire simulation system is a rough process from the transmitter, the Rayleigh channel, and the receiver)

25.996信道模型的matlab代码，根据标准协议编写(channel model of 25.996)

说明：  根据卫星EIRP值、接收系统G/T值等参数仿真了卫星通信的上下行及总链路预算的matlab程序 及论文《卫星传输链路的计算与应用》(uplink and downlink margin budget)

对原始信号进行小波包分解，小波函数及分解尺度均可自调(The original signal is decomposed by wavelet packet, and the wavelet function and decomposition scale can be adjusted automatically)

通过simulink仿真工具架构的SCPC通信系统，基本架构为卫星通信系统，包括PCM编译码器、调制器、成型滤波、变频器、低噪声功率放大器、各类天线、模拟自由空间损耗、模拟等效噪声温度、卷积编译码器(The basic architecture of SCPC communication system based on Simulink simulation tool is satellite communication system, including PCM compiler, modulator, shaping filter, frequency converter, low noise power amplifier, all kinds of antennas, analog free space loss, analog equivalent noise temperature, convolutional compiling code.)

基本通信信号的产生于识别，AM FM 2ASK 2FSK 2PSK QPSK的产生。（时域图 频域图 基带信号频谱 ）以及分类的识别方法仿真模型(Basic communication signal arising from the recognition, the AM FM 2ASK 2FSK 2PSK QPSK generation. (Time-domain diagram frequency domain Figure baseband signal spectrum) and the classification of simulation models of the identification method)

基于Matlab的OFDM原理仿真，调制解调的原理仿真，通过输出的星座图进行分析(Simulation based on Matlab OFDM principle, the principle of modulation and demodulation simulation output constellation diagram analysis)

this is the program for finding peak power in ofdm using pts

自己需要给出坐标，GPS测距。主要是实现了基于maltab测距GPS测距原理(you should give coordinates, GPS ranging)

终端直通技术，cellular用户同D2D用户间的资源分配(Device-to-Device，resource allocation)