There are two types of LDPC codes decoding algorithms: hard decision algorithms and soft decision algorithms.
LDPC码的译码算法主要分为两类：硬判决算法和软判决算法。
RS encoder in DVB-S and some classical decoding algorithms are introduced, then some Fast Fourier Transform (FFT) algorithms in finite domain are presented.
本文介绍了DVB - S中RS码的编码及常用的译码算法，然后又介绍了几种有限域中快速傅里叶变换(FFT)算法。
By the graph representation, we discuss the girth and diameter of a bipartite graph, and their roles in improving the efficiency of decoding algorithms and the performance of the code.
根据低密度码的图结构表示，研究双向图的周长、直径，及其对提高译码算法效率和码的性能所起的作用。
Compared to the traditional decoding algorithms, the proposed scheme is no need to estimate the correlation matrix of the channel and pre-code at the transmitter, and its coding complexity is reduced.
与传统解码的算法不同，该算法无需在发送端进行信道相关矩阵的估计和预编码，降低了发送端的编码复杂度。
Compared to the traditional decoding algorithms, the proposed scheme is no need to estimate the correlation matrix of the channel and pre-code at the transmitter, and its coding complexity is reduced.
与传统解码的算法不同，该算法无需在发送端进行信道相关矩阵的估计和预编码，降低了发送端的编码复杂度。
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