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数字通信中的16QAM映射
- 数字通信中的16QAM映射,采用格雷码编码,包括星座图的显示,简单明了清晰,由此可以退出64,128QAM的matlab编码-Digital communication 16QAM mapping, the use of Gray coding, including the constellation display, simple clear, it can be out of the 64,128 QAM matlab code
MPSKMQAMmudulation.rar
- 本程序用于完成BPSK、QPSK、pi/4QPSK、OQPSK、8PSK、16QAM、32QAM、64QAM和128QAM的调制仿真。并可任意扩展到MPSK和MQAM。程序分成四个部分,fir.m对基带码元序列进行脉冲成型,可选矩形脉冲,升余弦脉冲和平方根升余弦脉冲; modal.m 为主程序,完成岁各种信号的基带星座图映射、脉冲成型和调制;pi4QPSK.m 为pi/4QPSK信号的星座图映射程序;test1.m给出一个简单的频谱显示测试。,This procedure for the com
16QAM.rar
- 16QAM仿真的程序,包含载波、眼图、星座图等多个通信常见图形的仿真,16QAM simulation procedures, including the carrier, the eye diagram, constellation diagram, and many other common graphics communication simulation
16QAM.rar
- 16QAM的matlab实现,以及计算机仿真,观察其波形,功率谱,误码率以及星座图,16QAM to achieve the matlab, as well as computer simulation, to observe the waveform, power spectrum, BER, and constellation diagram
16QAM
- 一种关于QAM的仿真,有星座图,16QAM-One on the QAM simulation, there constellation, 16QAM
modulation
- 根据输入的调制方式,对输入序列MOD_IN进行调制,分别采用BPSK, QPSK, 16QAM, 64QAM,完成对星座图的映射,输出为Y.转化的方法为:先写出十进制情况下从0 到N-1 (N为星座图的点数)所对应的星座坐标;再将输入的二进制序列转化为相应的十进制,以查表的方法查出对应点的复数坐标,即为调制映射后的结果。-this program is used for BPSK,QPSK,16QAM and 64QAM modulation
demodulation
- 由信道信号的复数值找出对应的二进制序列。方法如下:由信道值,求出该值与星座图中所有点的距离,找出距离最小的点,该点对应的二进制序列及为该信道对应的解调结果。-this program is used for BPSK,QPSK,16QAM and 64QAM demodulation.
hqam
- 16QAM系统的调制,解调的仿真。作出星座图及调制,解调信号的波形,输出信号的功率谱,眼图及误码率曲线。-16QAM system, modulation, demodulation of the simulation. Make a constellation and the modulation, demodulation waveform, the output signal of the power spectrum, eye diagram and BER curves.
16qam
- 16qam调制,星座图等,用matlab实现,版本要2007以上。-16qam modulation, constellation diagrams, using matlab implementation, version to 2007 or more.
qam
- 一、 本程序采用16QAM调制方式,对一串2进制信源进行调制,用升余弦滚降函数进行基带调制,再调到高频信道;在信道上加入高斯白噪声,运用匹配滤波器解调,画出解调星座图,运用最小欧氏距离译码判决,计算误比特率。-First, the program uses 16QAM modulation, the source of a string of two binary modulation, with the Raised Cosine modulated baseband functions, a
16QAM
- 16QAM调制与解调的全过程,能够观察眼图、星座图、误码率等,方便研究运用16QAM调制解调的系统的性能-16QAM modulation and demodulation of the entire process, be able to observe the eye diagram, constellation diagram, error rates, facilitate the study of the use of 16QAM modulation and demodulation
QAM64
- 16QAM,64QAM调制解调,以及星座图等部分-16QAM, 64QAM modulation and demodulation, as well as some other constellation
16QAM
- 16QAM星座图及其在AWGN信道下的性能分析-16QAM constellation in AWGN channel performance analysis
16qam
- 用matlab语言实现16qam的调制解调,星座图 ,眼图,二进制比特流等,并且内附16qam调制解调和2dpsk的simulink的实验总框图框图(Matlab language for the implementation of 16qam modulation demodulation, constellation, eye chart, binary bit flow, etc., and with a 16qam modulation demodulation and 2dpsk si
16QAM的调制端Simulink仿真
- 用simulink实现16QAM的调试解调,有星座图,波形(Debugging and demodulation of 16QAM with Simulink, constellation diagram, waveform)
16QAM-AWGN
- 能输出不同信噪比下的误码率曲线 能给出发射信号星座图和接收信号星座图(The ability to output the error rate curve under different signal to noise ratio can give the constellation of the transmitting signal and the constellation of the received signal)
daima
- 16QAM_星形和矩形星座图调制解调MATLAB代码(16QAM_ star and rectangle constellation modulation and demodulation MATLAB code)
qam
- 16qam 32 64星座图非常好用 修改对应参数即可(16QAM 3264 constellation, very easy to use and modify the corresponding parameters.)
Star-16QAM-master-星型
- 可实现绘制星型16QAM星座图,用于调制识别分类(Able to draw star 16QAM constellation diagram)
16QAM调制解调
- % QAMModem.m程序清单 % 仿真4比特原始数据与星座图的编码映射过程; % 完成16QAM信号的调制解调; % 基带信号符号速率 ps =1Mbps; % 成形滤波器的滚降因子 a=0.8; % 载波信号频率fc=2MHz ; % 采样频率 Fs=8MHz ; % 绘制16QAM信号的频谱及时域波形; % 采用相干解调法仿真其解调过程; % 绘制解调前后的基带信号时域波形; % 将原始基带数据、QAM已调数据、滤波器系数写入相应的文本文件中。 clc;(%Qamm