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數(shù)字通信(digital telecommunications)是用數(shù)字信號(hào)作為載體來傳輸消息,或用數(shù)字信號(hào)對(duì)載波進(jìn)行數(shù)字調(diào)制后再傳輸?shù)耐ㄐ欧绞健K蓚鬏旊妶?bào)、數(shù)字?jǐn)?shù)據(jù)等數(shù)字信號(hào),也可傳輸經(jīng)過數(shù)字化處理的語聲和圖像等模擬信號(hào)。
數(shù)字通信(digital telecommunications)是用數(shù)字信號(hào)作為載體來傳輸消息,或用數(shù)字信號(hào)對(duì)載波進(jìn)行數(shù)字調(diào)制后再傳輸?shù)耐ㄐ欧绞健K蓚鬏旊妶?bào)、數(shù)字?jǐn)?shù)據(jù)等數(shù)字信號(hào),也可傳輸經(jīng)過數(shù)字化處理的語聲和圖像等模擬信號(hào)。收起
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