信息论理论的建立，提出了信息、信息熵的概念，接着人们提出了编码定理。
Abastract: the information theory establishment, proposed the information, the information entropy concept, met the people to propose the code theorem.
信道编码是通信系统中的重要组成部分之一，其理论基础是1948年信息论的开创者香农提出的信道编码定理。
Channel coding is one of the important part of communication system, whose theoretic base is the Shannon's law of channel code set up by Shannon who inaugurated the information theory in 1948.
定义了复合假设检验的可达速率对，利用多用户信息论信源编码定理得到了复合假设检验可达速率区域的一个内界。
We define achievable rate vector of composite hypothesis testing and obtain one inner bound of achievable rate region.
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