任意通帶信號(hào)的采樣定理與頻帶整體適應(yīng)性數(shù)據(jù)表示
SAMPLING THEOREM FOR SIGNALS IN ARBITRARY PASSBAND AND DATA REPRESENTATION ADAPTED TO CHANNEL
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摘要: 本文建立了任意通帶信號(hào)的采樣定理,對(duì)附有直流分量的帶通信號(hào)、幾個(gè)帶通的組合、或者若干個(gè)帶通與帶限組合等等這類(lèi)組合帶信號(hào),給出最低采樣率的算法,可直接用于數(shù)據(jù)表示和數(shù)據(jù)壓縮等相關(guān)問(wèn)題。
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關(guān)鍵詞:
- 采樣定理;數(shù)據(jù)表示;最低采樣率
Abstract: A sampling theorem for signals in arbitrary passband is proposed and the efficient algorithm to solve the least sampling rate is given,which can be applied to signal reprdsentation based on its channel pattern. -
吳樂(lè)南.?dāng)?shù)據(jù)壓縮的原理及應(yīng)用,北京:電子工業(yè)出版社,1995年:15-17.[2]Wang Qiao.Regular and irregular sampling theorems in wavelet subspaces.Math.Appl.1998, 11(3):90-94. -
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