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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
QAM128_mod1
- matlab下的128QAM基带调制仿真,并绘制星座图-matlab under 128QAM baseband modulation simulation, and the mapping of constellation diagram
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
qam-re-tr
- QAM Matlab程序,误码率的坐标,星座图等在图中已经显示出来-QAM Matlab procedure, the coordinates of BER, constellation diagram, etc. At chart has been displayed
QAM128_mod1
- 128QAM调制仿真的星座图。matlab源文件。-Simulation 128QAM modulation constellation diagram. matlab source file.
ofdm-predistorter
- OFDM降低峰平比采用预失真技术,程序仿真了加入预失真技术后的星座图与未加预失真的比较。结果比较明显。采用QAM映射。-OFDM PAPR reducing the use of pre-distortion technology, process simulation technology to join the pre-distortion of the constellation diagram and the following not pre-distortion comparison
8pskmod
- 8psk的实现,观察星座图,频谱以及眼图-8psk
ask
- MASK(2,4,8)信号的星座图调制程序-MASK signal modulation constellation
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.
psk4
- 对m=4时,在不同信噪比0db、10代表、20db在星座图上观察接收的信号-For m = 4 when the signal to noise ratio in different 0db, 10 on behalf of, 20db observed in the constellation diagram of the signal receiver
matlab_dsp_airlog
- TD-SCDMA基带数据用matlab来进行仿真的源代码,包括同步,相关,fft变换,星座图显示,交织等,完成的TD 物理层仿真代码-matlab_dsp_airlog
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.
aqammod
- 8,16,64进制的qam 星座图转换,MATLAB程序-8,16,64 qam constellation hex conversion, MATLAB program
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
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.
qamand16psk
- 主要是QAM与16PSK频谱仿真、误码率比较仿真以及各自的星座图-Mainly QAM spectrum with 16PSK simulation, emulation, and error rate between the respective constellation