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4.rar
4. 试说明卷积编解码的工作原理。请用Simulink仿真卷积编码,并用Viterbi译码的方法进行解码,其中的编码、译码全部是自己编写代码(S-Function方式),不是调用Simulink的已有编码、译码函数。请在加性白高斯噪声信道中,画出比特信噪比与误码率的关系曲线。
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convlutional_code_viterbi.rar
卷积码的实现,c比matlab快很多。Script for computing the BER for BPSK modulation in AWGN with
Hard and Soft decision Viterbi decoding with traceback
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vitdec.rar
viterbi decoder. it implements viterbi decoder
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ffmpeg-0.6.3.rar
This is a quick description of the viterbi aka dynamic programing
algorthm.
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sova0.rar
This function implememts Soft Output Viterbi Algorithm in trace back mode
Input:
rec_s: scaled received bits. rec_s(k) = 0.5 * L_c(k) * y(k)
L_c = 4 * a * Es/No, reliability value of the channel
y: received ...
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modqam.rar
16 qam modulation that apply on sequential with viterbi uncoded
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