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M-file for simulating a QPSK transmitter by modulating with a pseudo random bit stream. A serial to parallel conversion of the pseudo random bit stream is performed with mapping of two bits per symbol. A cosine and sine carrier is configured and the
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0下载：
M-file for simulating a QPSK transmitter by modulating with a pseudo random bit stream. A serial to parallel conversion of the pseudo random bit stream is performed with mapping of two bits per symbol. A cosine and sine carrier is configured and the
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0下载：
Simulation of a baseband 8PSK modulator - TX : a pseudo random bit stream generation, Serial to parallel conversion, 8PSK Mapping (Gray mapping), Signal power computation
- Channel : AWGN channel
- Plot constellations-Simulation of a baseband 8
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Codes".
Huffman coding uses a specific method for choosing the representation for each symbol, resulting in a prefix code (sometimes called "prefix-free codes") (that is, the bit string representing some particular symbol is never a prefix of th
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2下载：
% 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
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