2.2數(shù)據(jù)編碼技術(shù)和數(shù)據(jù)傳輸方式2.2數(shù)據(jù)編碼技術(shù)和數(shù)據(jù)傳輸方式1首先回顧一下信息傳輸過(guò)程:W通過(guò)電話進(jìn)行情感交流廣州北京要將“39”這個(gè)數(shù)字傳輸?shù)奖本┦紫然仡櫼幌滦畔鬏斶^(guò)程:2模擬信號(hào)和數(shù)字信號(hào)通信的特點(diǎn)模擬信號(hào)通信的特點(diǎn):●傳輸距離遠(yuǎn);●信號(hào)質(zhì)量差;數(shù)字信號(hào)通信的特點(diǎn):●傳輸距離不遠(yuǎn)●抗干擾能力●傳輸效率高推轉(zhuǎn)換票髯進(jìn)留的場(chǎng)如’數(shù)華指戳表數(shù)授瞼搜蓿鏨數(shù)搖穀用不同形式的傳輸信號(hào)進(jìn)行表示的處理技術(shù)我們簡(jiǎn)稱數(shù)據(jù)在傳輸過(guò)程中采用的處理方式我們簡(jiǎn)稱為數(shù)據(jù)傳輸方式模擬信號(hào)和數(shù)字信號(hào)通信的特點(diǎn)3數(shù)據(jù)編碼技術(shù)2.2.1數(shù)字?jǐn)?shù)據(jù)的模擬信號(hào)編碼2.2.2模擬數(shù)據(jù)的數(shù)字信號(hào)編碼2.2.3數(shù)字?jǐn)?shù)據(jù)的數(shù)字信號(hào)編碼數(shù)據(jù)編碼技術(shù)42.21數(shù)字?jǐn)?shù)據(jù)的模擬信號(hào)編碼即數(shù)字信號(hào)的模擬傳輸)北京要將“39”這個(gè)數(shù)字傳輸?shù)奖本?.21數(shù)字?jǐn)?shù)據(jù)的模擬信號(hào)編碼5數(shù)據(jù)編碼技術(shù)與數(shù)據(jù)傳輸方式答案課件6數(shù)據(jù)編碼技術(shù)與數(shù)據(jù)傳輸方式答案課件7數(shù)據(jù)編碼技術(shù)與數(shù)據(jù)傳輸方式答案課件8數(shù)據(jù)編碼技術(shù)與數(shù)據(jù)傳輸方式答案課件9數(shù)據(jù)編碼技術(shù)與數(shù)據(jù)傳輸方式答案課件10數(shù)據(jù)編碼技術(shù)與數(shù)據(jù)傳輸方式答案課件11數(shù)據(jù)編碼技術(shù)與數(shù)據(jù)傳輸方式答案課件12數(shù)據(jù)編碼技術(shù)與數(shù)據(jù)傳輸方式答案課件13數(shù)據(jù)編碼技術(shù)與數(shù)據(jù)傳輸方式答案課件14數(shù)據(jù)編碼技術(shù)與數(shù)據(jù)傳輸方式答案課件15數(shù)據(jù)編碼技術(shù)與數(shù)據(jù)傳輸方式答案課件16數(shù)據(jù)編碼技術(shù)與數(shù)據(jù)傳輸方式答案課件17數(shù)據(jù)編碼技術(shù)與數(shù)據(jù)傳輸方式答案課件18數(shù)據(jù)編碼技術(shù)與數(shù)據(jù)傳輸方式答案課件19數(shù)據(jù)編碼技術(shù)與數(shù)據(jù)傳輸方式答案課件20數(shù)據(jù)編碼技術(shù)與數(shù)據(jù)傳輸方式答案課件21數(shù)據(jù)編碼技術(shù)與數(shù)據(jù)傳輸方式答案課件22數(shù)據(jù)編碼技術(shù)與數(shù)據(jù)傳輸方式答案課件23數(shù)據(jù)編碼技術(shù)與數(shù)據(jù)傳輸方式答案課件24數(shù)據(jù)編碼技術(shù)與數(shù)據(jù)傳輸方式答案課件25數(shù)據(jù)編碼技術(shù)與數(shù)據(jù)傳輸方式答案課件26數(shù)據(jù)編碼技術(shù)與數(shù)據(jù)傳輸方式答案課件27數(shù)據(jù)編碼技術(shù)與數(shù)據(jù)傳輸方式答案課件28數(shù)據(jù)編碼技術(shù)與數(shù)據(jù)傳輸方式答案課件29數(shù)據(jù)編碼技術(shù)與數(shù)據(jù)傳輸方式答案課件30數(shù)據(jù)編碼技術(shù)與數(shù)據(jù)傳輸方式答案課件31數(shù)據(jù)編碼技術(shù)與數(shù)據(jù)傳輸方式答案課件32數(shù)據(jù)編碼技術(shù)與數(shù)據(jù)傳輸方式答案課件33數(shù)據(jù)編碼技術(shù)與數(shù)據(jù)傳輸方式答案課件34數(shù)據(jù)編碼技術(shù)與數(shù)據(jù)傳輸方式答案課件35數(shù)據(jù)編碼技術(shù)與數(shù)據(jù)傳輸方式答案課件36數(shù)據(jù)編碼技術(shù)與數(shù)據(jù)傳輸方式答案課件37數(shù)據(jù)編碼技術(shù)與數(shù)據(jù)傳輸方式答案課件38數(shù)據(jù)編碼技術(shù)與數(shù)據(jù)傳輸方式答案課件39數(shù)據(jù)編碼技術(shù)與數(shù)據(jù)傳輸方式答案課件40數(shù)據(jù)編碼技術(shù)與數(shù)據(jù)傳輸方式答案課件41數(shù)據(jù)編碼技術(shù)與數(shù)據(jù)傳輸方式答案課件422.2數(shù)據(jù)編碼技術(shù)和數(shù)據(jù)傳輸方式2.2數(shù)據(jù)編碼技術(shù)和數(shù)據(jù)傳輸方式43首先回顧一下信息傳輸過(guò)程:W通過(guò)電話進(jìn)行情感交流廣州北京要將“39”這個(gè)數(shù)字傳輸?shù)奖本┦紫然仡櫼幌滦畔鬏斶^(guò)程:44模擬信號(hào)和數(shù)字信號(hào)通信的特點(diǎn)模擬信號(hào)通信的特點(diǎn):●傳輸距離遠(yuǎn);●信號(hào)質(zhì)量差;數(shù)字信號(hào)通信的特點(diǎn):●傳輸距離不遠(yuǎn)●抗干擾能力●傳輸效率高推轉(zhuǎn)換票髯進(jìn)留的場(chǎng)如’數(shù)華指戳表數(shù)授瞼搜蓿鏨數(shù)搖穀用不同形式的傳輸信號(hào)進(jìn)行表示的處理技術(shù)我們簡(jiǎn)稱數(shù)據(jù)在傳輸過(guò)程中采用的處理方式我們簡(jiǎn)稱為數(shù)據(jù)傳輸方式模擬信號(hào)和數(shù)字信號(hào)通信的特點(diǎn)45數(shù)據(jù)編碼技術(shù)2.2.1數(shù)字?jǐn)?shù)據(jù)的模擬信號(hào)編碼2.2.2模擬數(shù)據(jù)的數(shù)字信號(hào)編碼2.2.3數(shù)字?jǐn)?shù)據(jù)的數(shù)字信號(hào)編碼數(shù)據(jù)編碼技術(shù)462.21數(shù)字?jǐn)?shù)據(jù)的模擬信號(hào)編碼即數(shù)字信號(hào)的模擬傳輸)北京要將“39”這個(gè)數(shù)字傳輸?shù)奖本?.21數(shù)字?jǐn)?shù)據(jù)的模擬信號(hào)編碼47數(shù)據(jù)編碼技術(shù)與數(shù)據(jù)傳輸方式答案課件48數(shù)據(jù)編碼技術(shù)與數(shù)據(jù)傳輸方式答案課件49數(shù)據(jù)編碼技術(shù)與數(shù)據(jù)傳輸方式答案課件50數(shù)據(jù)編碼技術(shù)與數(shù)據(jù)傳輸方式答案課件51數(shù)據(jù)編碼技術(shù)與數(shù)據(jù)傳輸方式答案課件52數(shù)據(jù)編碼技術(shù)與數(shù)據(jù)傳輸方式答案課件53數(shù)據(jù)編碼技術(shù)與數(shù)據(jù)傳輸方式答案課件54數(shù)據(jù)編碼技術(shù)與數(shù)據(jù)傳輸方式答案課件55數(shù)據(jù)編碼技術(shù)與數(shù)據(jù)傳輸方式答案課件56數(shù)據(jù)編碼技術(shù)與數(shù)據(jù)傳輸方式答案課件57數(shù)據(jù)編碼技術(shù)與數(shù)據(jù)傳輸方式答案課件58數(shù)據(jù)編碼技術(shù)與數(shù)據(jù)傳輸方式答案課件59數(shù)據(jù)編碼技術(shù)與數(shù)據(jù)傳輸方式答案課件60數(shù)據(jù)編碼技術(shù)與數(shù)據(jù)傳輸方式答案課件61數(shù)據(jù)編碼技術(shù)與數(shù)據(jù)傳輸方式答案課件62數(shù)據(jù)編碼技術(shù)與數(shù)據(jù)傳輸方式答案課件63數(shù)據(jù)編碼技術(shù)與數(shù)據(jù)傳輸方式答案課件64數(shù)據(jù)編碼技術(shù)與數(shù)據(jù)傳輸方式答案課件65數(shù)據(jù)編碼技術(shù)與數(shù)據(jù)傳輸方式答案課件66數(shù)據(jù)編碼技術(shù)與數(shù)據(jù)傳輸方式答案課件67數(shù)據(jù)編碼技術(shù)與數(shù)據(jù)傳輸方式答案課件68數(shù)據(jù)編碼技術(shù)與數(shù)據(jù)傳輸方式答案課件69數(shù)據(jù)編碼技術(shù)與數(shù)據(jù)傳輸方式答案課件70數(shù)據(jù)編碼技術(shù)與數(shù)據(jù)傳輸方式答案課件71數(shù)據(jù)編碼技術(shù)與數(shù)據(jù)傳輸方式答案課件72數(shù)據(jù)編碼技術(shù)與數(shù)據(jù)傳輸方式答案課件73數(shù)據(jù)編碼技術(shù)與數(shù)據(jù)傳輸方式答案課件74數(shù)據(jù)編碼技術(shù)與數(shù)據(jù)傳輸方式答案課件75數(shù)據(jù)編碼技術(shù)與數(shù)據(jù)傳輸方式答案課件76數(shù)據(jù)編碼技術(shù)與數(shù)據(jù)傳輸方式答案課件77數(shù)據(jù)編碼技術(shù)與數(shù)據(jù)傳輸方式答案課件78數(shù)據(jù)編碼技術(shù)與數(shù)