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信息是一抽象的东西,它代表着某一抽象的,有待传递、交换、存贮以及提取的内容。它与生物同时出现,并存在于社会的各个角落。随着社会的发展进步,信息越来越受到人们重视,越来越多的人转而从事信息工作及研究。研究信息的信息论由此产生了。信息论的研究是从研究通信系统开始的。通信系统的模式一般为:信源—编码—信道—译码—信宿。信息论研究的基本问题就是信源和信宿,信道以及编码的问题。
Information is an abstract thing, it represents an abstract, to be transmitted, exchanged, stored and extracted content. It occurs simultaneously with living things and exists in every corner of society. With the development of society, information is getting more and more attention. More and more people are turning to information work and research. The information theory of research information was born. The research of information theory begins with the research of communication system. The mode of the communication system is generally: Source - Coding - Channel - Decoding - Sink. The basic problem of information theory research is the source and sink, channel and coding problems.