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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Correlated double sampling ： ウィキペディア英語版 Correlated double sampling Correlated double sampling (CDS) is a method to measure electrical values such as voltages or currents that allows removing an undesired offset. It is used often when measuring sensor outputs. The output of the sensor is measured twice: once in a known condition and once in an unknown condition. The value measured from the known condition is then subtracted from the unknown condition to generate a value with a known relation to the physical quantity being measured. This is commonly used in switched capacitor operational amplifiers to effectively double the gain of the charge sharing opamp, while adding an extra phase. When used in imagers, correlated double sampling is a noise reduction technique in which the Reference Voltage of the pixel (i.e., the pixel’s voltage after it is reset) is removed from the Signal Voltage of the pixel (i.e., the pixel’s voltage at the end of integration) at the end of each integration period. == See also == * Dark-frame subtraction 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Correlated double sampling」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.