The principles of soft decoding and message passing are discussed.
介绍了软判决译码和消息传递的基本思想；
Iterative decoding thoughts and soft decoding methods based on probability changed the study perspective of channel codes.
迭代译码思想和基于概率的软译码方法改变了信道编码技术的研究思想。
In the condition of soft decoding of MPEG4, we find this design can save as much as 40% CPU (resource,) which greatly improves the MPEG4 decoding performance of a SoC system.
实验证明在纯软件解码MPEG4的条件下该设计可以节省40%的CPU开销，大大提高整个系统的MPEG4解码性能。
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