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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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提出了一个采用(2,1,7)卷积码+QPSK的中频调制解调方案,并在Xilinx公司的100万
门FPGA芯片上实现了该系统。该系统在信噪比SNR为6dB左右时可实现速率超过1Mbit/s、误码率
小于10-5的数据传输。
-Proposed a use of (2,1,7) convolutional code+ QPSK modulation and demodulation of the IF program, and in Xilinx' s FPGA chip one
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MATLAB中,卷积码、QPSK通过单径瑞利衰落信道的仿真,分析不同的多普勒和不同的交织块长对性能的影响。-MATLAB, the convolutional code, QPSK through a single path Rayleigh fading channel simulation, analysis of different Doppler interleaving block length and different impact on performance.
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pi4qpsk的付费论文,讲的非常详细和深入(The MATLAB code of biting tail convolutional code is very detailed and thorough.)
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包含有数字通信课程实验大作业报告与代码。完成的OFDM的收发包含:1.卷积编码、2.自动增益控制、3.极大似然判决、4.QPSK收发、5.帧检测等,代码在MATLAB2016b环境下编译通过(It contains the report and code of the experiment assignment for the course of digital communication. The completed OFDM transceiver includes: 1. convolut
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