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信号(信息论)

出自维基百科,自由个百科全书

拉通讯系统、信号处理或者电子工程等技术领域中,信号是“传递有关一些现象个行为或属性个信息个函数。”拉现实世界中,任何随辰光或者空间变化个量(如影像)侪是潜在个信号,渠拉可能会提供一个物理系统个状态信息,或拉弗同观察者之间传达消息等。

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