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该文档给出了通信原理中的数字调制和解调的matlab程序代码，如BPSK,QPSK,QAM等等调制方式。-the document is a communication principle of digital modulation and demodulation of the Matlab code. such as BPSK, QPSK, QAM modulation mode, and so on.
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一个四用户的扩频通信系统，扩频增益为N=16，采用Walsh码进行直接序列扩频，BPSK调制，无线信道为AWGN(加性高斯白噪声信道)信道(AWGN信道：不考虑通信信道信号时，由宽频范围描述的统计随机无线噪声。)。在接收端进行解扩，解调，判决，通过仿真得到其中一个用户的误比特率与信噪比的仿真结果。,A four-user spread spectrum communication system, spreading gain for N = 16, using Walsh code Direct
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MATLAB program for OFDM generation and reception
This is a simple MCM communications system. The code is pretty self-explanatory. Here I have not used the cyclic prefix.
Transmitter End:
1. Generate random serial data with M symbols (RAND
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用matlab软件仿真了从卷积码编码，QPSK调制，AWGN信道，QPSK解调，以及Viterbi译码。-Using Matlab Simulate from the coding of convolutional code，Qpsk modulation ，AWGN channel ，Qpsk demodulation and Viterbi decoding。
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qpsk调制完整matlab代码，很受用-matlab code modulation qpsk integrity, popular with
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数字调制－BPSK[1].QPSK等等多个调制方式的原理－代码等MATLAB程序-Digital Modulation-BPSK [1]. QPSK modulation mode, and so many principles-such as MATLAB program code
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代码包含的主要内容是AWGN信道上BPSK,QPSK,16QAM的调制解调，以及误码率计算过程，其中还有OFDM调制在信道上传输的仿真内容-Code contains the main contents of AWGN channel BPSK, QPSK, 16QAM modulation and demodulation, and bit error rate calculation process, in which there are OFDM modulation in the cha
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BPSK,QPSK等多个调制方式的详细说明及matlab代码-BPSK, QPSK modulation and other detailed instructions and matlab code
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本程序是对V-BLAST系统及其检测算法的仿真，可采用BPSK,QPSK,16QAM,64QAM调制。检测算法为ML，MMSE,ZF,以及采用迫零的连续干扰消除检测算法。-This program is a simulation, the V-BLAST system and its detection algorithm can be used for BPSK, QPSK, 16QAM, 64QAM modulation. Detection algorithm for the ML, M
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产生二进制数列码并调制成为qpsk信号,帮助熟悉matlab程序-Generates a binary number column code and modulation QPSK signal to help familiarize yourself with matlab program
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有QPSK的调制解调，信噪比，信道等，使用matlab代码编写和绘图-There QPSK modulation and demodulation, signal to noise ratio, channel, etc., using matlab code writing and drawing
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QPSK的调制解调源码，matlab编程，在高斯噪声的影响下-Under the QPSK modulation and demodulation code, matlab program, the impact of the Gaussian noise
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这个是空时编码组的qpsk代码调制所需要的MATLAB程序，所实现的是qpsk调制-This is qpsk Code Modulation group of space-time coding required MATLAB program, the implementation is qpsk modulation.
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QPSK调制解调matlab 代码，简单易懂，自己写的。-QPSK modulation and demodulation matlab simulation, write your own, and the code is simple and easy to understand.
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编写了关于QPSK调制的matlab调制解调代码，其中做了滤波，加载频，加噪声，滤波，误码率性能分析等-Prepared a QPSK modulation modulation and demodulation matlab code, where do the filtering, load frequency, adding noise, filtering, error rate performance analysis
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这是一个完整的matlab下的扩频通信系统的仿真源代码。包括QPSK调制、m序列生成、载波调制、解调、解扩等操作。非常完整，代码通过调试，可以直接运行。-This is a complete matlab under the spread spectrum communication system simulation source code. Including QPSK modulation, m sequence generation, modulation, demodulation,
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matlab环境下的窃听信道建模，包括crc校验编码，三种（QPSK,16QAM,64QAM）不同的调制方式仿真，加入扰码增强抗窃听能力。-Matlab environment eavesdropping channel modeling, including the CRC check code, three kinds of (QPSK, 16 qam and 64 qam) different modulation mode simulation, join the scrambler e
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一种数字调制方式qpsk的调制解调代码，可进行相应参数设置(A digital modulation method qpsk modulation and demodulation code, can be set accordingly)
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