通信原理模擬信號(hào)數(shù)字化與PCM2023/12/291模擬信號(hào)數(shù)字化與PCM模擬信號(hào)的數(shù)字化是通信與信息處理的基礎(chǔ)技術(shù)。電話通信系統(tǒng)主要采用PCM（脈沖編碼調(diào)制）技術(shù)實(shí)施語音信號(hào)的數(shù)字化。數(shù)字化過程由抽樣、量化與編碼三個(gè)基本環(huán)節(jié)組成：2023/12/292模擬信號(hào)數(shù)字化與PCM本章目錄：6.1模擬信號(hào)的抽樣6.2均勻量化與最佳量化6.3量化信噪比與對(duì)數(shù)量化6.4脈沖編碼調(diào)制6.5*差分脈沖編碼調(diào)制與增量調(diào)制6.6時(shí)分復(fù)用2023/12/2936.1

模擬信號(hào)的抽樣2023/12/2946.1模擬信號(hào)的抽樣2023/12/2956.1模擬信號(hào)的抽樣2023/12/2966.1模擬信號(hào)的抽樣2023/12/2976.1模擬信號(hào)的抽樣2023/12/2986.1模擬信號(hào)的抽樣2023/12/2996.1模擬信號(hào)的抽樣2023/12/29106.1模擬信號(hào)的抽樣2023/12/29116.1模擬信號(hào)的抽樣2023/12/29126.1模擬信號(hào)的抽樣2023/12/29136.1模擬信號(hào)的抽樣2023/12/29146.1模擬信號(hào)的抽樣2023/12/29156.1模擬信號(hào)的抽樣2023/12/29166.1模擬信號(hào)的抽樣2023/12/29176.1模擬信號(hào)的抽樣2023/12/29186.2

均勻量化與最佳量化2023/12/29196.2均勻量化與最佳量化2023/12/29206.2均勻量化與最佳量化2023/12/29216.2均勻量化與最佳量化2023/12/29226.2均勻量化與最佳量化2023/12/29236.2均勻量化與最佳量化2023/12/29246.2均勻量化與最佳量化2023/12/29256.2均勻量化與最佳量化2023/12/29266.2均勻量化與最佳量化2023/12/29276.3

量化信噪比與對(duì)數(shù)量化2023/12/29286.3量化信噪比與對(duì)數(shù)量化2023/12/29296.3量化信噪比與對(duì)數(shù)量化2023/12/29306.3量化信噪比與對(duì)數(shù)量化2023/12/29316.3量化信噪比與對(duì)數(shù)量化2023/12/29326.3量化信噪比與對(duì)數(shù)量化2023/12/29336.3量化信噪比與對(duì)數(shù)量化2023/12/29346.3量化信噪比與對(duì)數(shù)量化2023/12/29356.3量化信噪比與對(duì)數(shù)量化2023/12/29366.3量化信噪比與對(duì)數(shù)量化2023/12/29376.3量化信噪比與對(duì)數(shù)量化2023/12/29386.3量化信噪比與對(duì)數(shù)量化2023/12/29396.3量化信噪比與對(duì)數(shù)量化2023/12/29406.3量化信噪比與對(duì)數(shù)量化2023/12/29416.4

脈沖編碼調(diào)制2023/12/29426.4脈沖編碼調(diào)制2023/12/29436.4脈沖編碼調(diào)制2023/12/29446.4脈沖編碼調(diào)制2023/12/29456.4脈沖編碼調(diào)制2023/12/29466.4脈沖編碼調(diào)制2023/12/29476.4脈沖編碼調(diào)制2023/12/29486.4脈沖編碼調(diào)制2023/12/29496.4脈沖編碼調(diào)制2023/12/29506.4脈沖編碼調(diào)制2023/12/29516.4脈沖編碼調(diào)制2023/12/29526.5

*差分脈沖編碼調(diào)制與增量調(diào)制2023/12/29536.5*差分脈沖編碼調(diào)制與增量調(diào)制2023/12/29546.5*差分脈沖編碼調(diào)制與增量調(diào)制2023/12/29556.5*差分脈沖編碼調(diào)制與增量調(diào)制2023/12/29566.5*差分脈沖編碼調(diào)制與增量調(diào)制2023/12/29576.5*差分脈沖編碼調(diào)制與增量調(diào)制2023/12/29586.5*差分脈沖編碼調(diào)制與增量調(diào)制2023/12/29596.5*差分脈沖編碼調(diào)制與增量調(diào)制2023/12/29606.5*差分脈沖編碼調(diào)制與增量調(diào)制2023/12/29616.5*差分脈沖編碼調(diào)制與增量調(diào)制2023/12/29626.5*差分脈沖編碼調(diào)制與增量調(diào)制2023/12/29636.5*差分脈沖編碼調(diào)制與增量調(diào)制2023/12/29646.6

時(shí)分復(fù)用2023/12/29656.6時(shí)分復(fù)用2023/12/29666.6時(shí)分復(fù)用2023/12/29676.6時(shí)分復(fù)用2023/12/29686.6時(shí)分復(fù)用2023/12/29696.6時(shí)分復(fù)用2023/12/29706.6時(shí)分復(fù)用2023/12/29716.6時(shí)分復(fù)用2023/12/29726.6時(shí)分復(fù)用2023/12/29736.6