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1948年'''[[克劳德·香农 Claude Shannon]]'''在Bell System Technical Journal期刊上发表了非常具有影响力的论文《A Mathematical Theory of Communication》。<ref>{{cite web |url=https://www.computerhistory.org/revolution/digital-logic/12/269/1331 |title=A Mathematical Theory of Communication – CHM Revolution |website=Computer History |access-date=2019-05-13}}</ref> 这篇论文为之后的信息通信系统奠定了基础。与此同时，随着信号处理的出现，信息传输技术也开始飞速发展。<ref name=fifty>{{cite book |title=Fifty Years of Signal Processing: The IEEE Signal Processing Society and its Technologies, 1948–1998 |publisher=The IEEE Signal Processing Society |year=1998}}</ref>

1948年'''[[克劳德·香农 Claude Shannon]]'''在Bell System Technical Journal期刊上发表了非常具有影响力的论文'''《A Mathematical Theory of Communication》'''。<ref>{{cite web |url=https://www.computerhistory.org/revolution/digital-logic/12/269/1331 |title=A Mathematical Theory of Communication – CHM Revolution |website=Computer History |access-date=2019-05-13}}</ref> 这篇论文为之后的信息通信系统奠定了基础。与此同时，随着信号处理的出现，信息传输技术也开始飞速发展。<ref name=fifty>{{cite book |title=Fifty Years of Signal Processing: The IEEE Signal Processing Society and its Technologies, 1948–1998 |publisher=The IEEE Signal Processing Society |year=1998}}</ref>