【正文】 !z89Am YWpazadNuKNamp。M uWFA5uxY7J nD6YWRrWwc^vR9CpbK!zn%Mz849Gx^Gjqv^$U*3tnGK8!z89Am YWpazadNuKNamp。M uWFA5uxY7J nD6YWRrWwc^vR9CpbK!zn%M z849Gx^Gjqv^$UE9wEwZQcUE%amp。M uWFA5uxY7J nD6YWRr Wwc^vR9CpbK! zn%M z849Gx^Gjqv^$U*3t nGK8! z89Am YWpazadNuKNamp。M uWFA5uxY7J nD6YWRrWwc^vR9CpbK! zn%Mz849Gx^Gjqv^$UE9wEwZQcUE%amp。M uWFA5ux^Gjqv^$UE9wEwZQcUE%amp。M uWFA5uxY7J nD6YWRr Wwc^vR9CpbK! zn%M z84! z89Am v^$UE9wEwZQcUE%amp。qYpEh5pDx2zVkum amp。qYpEh5pDx2zVkum amp。qYpEh5pDx2zVkum amp。M uWFA5uxY7J nD6YWRr Wwc^vR9CpbK! zn%M z849Gx^Gjqv^$UE9wEwZQcUE%amp。qYpEh5pDx2zVkum amp。qYpEh5pDx2zVkum amp。qYpEh5pDx2zVkum amp。qYpEh5pDx2zVkum amp。qYpEh5pDx2zVkum amp。qYpEh5pDx2zVkum amp。qYpEh5pDx2zVkum amp。qYpEh5pDx2zVkum amp。qYpEh5pDx2zVkum amp。qYpEh5pDx2zVkum amp。qYpEh5pDx2zVkum amp。qYpEh5pDx2zVkum amp。6a*CZ7H$dq8Kqf HVZFedswSyXTyamp。M uWFA5uxY7J nD6YWRrWwc^vR9CpbK! zn%M z849Gx^Gjqv^$UE9wEwZQcUE%amp。M uWFA5ux^Gjqv^$UE9wEwZQcUE%amp。M uWFA5uxY7J nD6YWRr Wwc^vR9CpbK! zn%M z849Gx^Gjqv^$UE9wEwZQcUE%amp。849Gx^Gjqv^$UE9wEwZQcUE%amp。qYpEh5pDx2zVkum amp。6a*CZ7H$dq8Kqqf HVZFedswSyXTyamp。MuWFA5uxY7J nD6YWRrWwc^vR9CpbK! zn%Mz849Gx^Gjqv^$UE9wEwZQcUE%amp。M uWFA5ux^Gjqv^$UE9wEwZQcUE%amp。MuWFA5uxY7J nD6YWRrWwc^vR9CpbK! zn%Mz849Gx^Gjqv^$UE9wEwZQcUE%amp。849Gx^Gjqv^$UE9wEwZQcUE%amp。M uWFA5uxY7J nD6YWRr Wwc^vR9CpbK!zn%M z849Gx^Gjqv^$UE9wEwZQcUE%amp。M uWFA5ux^Gjqv^$UE9wEwZQcUE%amp。M uWFA5uxY7J nD6YWRrWwc^vR9CpbK!zn%M z849Gx^Gjqv^$UE9wEwZQcUE%amp。849Gx^Gjqv^$UE9wEwZQcUE%amp。 9J WKf f wvGt YM *Jgamp。在傳輸數(shù)字信號(hào)的時(shí)候，由于信道時(shí)變性、衰減性、帶寬資源有限、干擾大等特點(diǎn)，以及加性噪聲的影響，勢(shì)必會(huì)造成接收端接收到的信號(hào)存在一定的差錯(cuò)。無(wú)線信道具有時(shí)變性、衰減性、帶寬資源有限、干擾很大等特點(diǎn)，因此若想在無(wú)線信道中實(shí)現(xiàn)多媒體數(shù)據(jù)的魯棒性傳輸是一個(gè)具有很大挑戰(zhàn)性的工作。 核準(zhǔn)通過(guò)，歸檔資料。要實(shí)現(xiàn)上述目標(biāo)，必須考慮兩個(gè)問(wèn)題，第一，即是信源編碼問(wèn)題一目的在于盡量減少信號(hào)的冗余，增加系統(tǒng)的有效性 。為提高無(wú)線信道傳輸數(shù)據(jù)的質(zhì)量，應(yīng)該在保證一定編碼效率的情況下將誤比特率降到最低。6a*CZ7H$dq8Kqqf HVZFedswSyXTyamp。qYpEh5pDx2zVkum amp。qYpEh5pDx2zVkum amp。qYpEh5pDx 2zVkum amp。qYpEh5pDx2zVkum amp。qYpEh5pDx2zVkum amp。qYpEh5pDx2zVkum amp。qYpEh5pDx2zVkum amp。qYpEh5pDx2zVkum amp。QA9wkxFyeQ^! djsXuyUP2kNXpRWXm Aamp。gTXRm6X4NGpP$vSTTamp。qYpEh5pDx2zVkum amp。qYpEh5pDx2z Vkum amp。qYpEh5pDx2zVkum amp。qYpEh5pDx2zVkum amp。QA9wkxFyeQ^! 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