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QPSK的星座图与误码性能MATLAB仿真
- QPSK原始星座图与接收端星座图比较，理论BER与接收端BER比较
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
QPSK.rar
- QPSK是一种二维调制技术，其中水平轴称为同相轴，垂直轴称为正交轴，分别对应于星座图上的1和Q坐标。同相载波指载波本身，正交载波指相位旋转90度的载波1周。QPSK调制在实现时是采用正交调幅的方式，某星座点在1坐标上的投影去调制同相载波的幅度，在Q坐标上的投影去调制正交载波的幅度，然后将两个调幅信号相加就是所需的调相信号,QPSK is one kind of two-dimensional modulating technology, the horizontal axis is called
constellational
- 通信系统仿真的星座图的画法问题，qpsk的仿真，图像很准确-Communication System Simulation constellation of painting issues, qpsk simulation, the image is very accurate and
qpsk
- 4psk与qpsk星座图及波形对比，matlab仿真程序。-4psk with qpsk constellation diagram and waveform contrast, Matlab simulation program.
MPSKTransmissonwithGausNoise
- 本程序用于完成BPSK、QPSK、8PSK的调制仿真。并可任意扩展到MPSK和MQAM。程序分成三个部分：phase.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； model.m 为主程序，完成各种信号的基带星座图映射、脉冲成型和调制； command.m给出一个简单的频谱显示测试。-This procedure for the completion of BPSK, QPSK, 8PSK modulation simulation. Arbitrary and m
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.
QAMANDQPSK
- QAM QPSK 的设计，使用matlab实现，有星座图。-QAM QPSK design, the use of matlab implementation, there are constellation.
qpskfigure
- qpsk在不同噪声环境下的星座图程序和产生的qpsk与其他信号的比较-qpsk different noise environment in the constellation process and the resulting qpsk comparison with other signals
OFDM_SNR(QPSK)
- OFDM系统，调制方式QPSK，查看星座图，分析误码率-OFDM systems, modulation QPSK, view the constellations, the bit error rate analysis
psk31
- 这个程序显示qpsk信号的星座图，用户稍加修改可显示自己生成的信号源的星座图 关键字 信号处理，调制，vc++ -the programme for C++ ,you can see the Oscillotion of QPSK
qpskzjm
- matlab实现矩形脉冲和根升余弦脉冲的QPSK调制功率谱密度及不同信噪比信道下的星座图，直接运行main函数即可-Plot the power density spectrum of the transmitted signal (e.g., with the matlab function psd) with different pulse shapes. How is it affected if a root raised cosine pulse is chosen instead o
qpskzjm
- qpsk源程序，有gui界面，很不错，包含误码率分析，频谱、功率谱分析，还有星座图-qpsk source, a gui interface, very good, including bit error rate analysis, spectrum, power spectrum analysis, as well as constellation
QPSKwumalvfangzhen
- QPSK误码率仿真及星座图，仿真入门级。信号的调制译码-The Simulation and QPSK constellation, entry-level simulation. Decoding the signal modulation
QPSK
- QPSK信号MATLAB仿真，分别有波形为滚降波形（载频为5Hz，符号速率为1Baud）和波形为矩形波（载频为5Hz，符号速率为1Baud）两种波形形成的仿真。以及误比特率性能曲线、星座图。 -MATLAB simulation of the QPSK signal, respectively, the waveform for the roll-off waveform (carrier frequency 5Hz, the symbol rate for 1Baud) and the w
QPSK+QAM
- 实现QPSK调制，映射成星座图上对应的复数点；将星座图上的复数点作QPSK解调。 16和64位QAM调制。(The QPSK modulation is mapped into the corresponding complex points on the constellation diagram, and the complex points on the constellation diagram are demodulated by QPSK. 16 bit and 64 bit Q
QPSK
- matlab中实现QPSK的调制识别，加入高斯白噪声，绘制出星座图，眼图，计算出信噪比(Modulation Recognition of QPSK in matlab)
qpsk
- qpsk调制，解调，通过高斯信道误码率计算，并画误码率图和眼图，星座图(QPSK modulation, demodulation, error rate calculation through Gaussian channel and drawing error rate diagram and eye diagram. constellation diagram)
qpsk
- qpsk信号的产生，并在成型滤波和调制后的时域频域图，及载波调制后星座图观察(The QPSK signal is generated and observed in the time-domain and frequency-domain diagram after shaping filtering and modulation, and the constellation diagram after carrier modulation)