翻訳と辞書 Words near each other ・ Jitra ・ Jitse van der Veen ・ Jitsi ・ Jitsu wa Watashi wa ・ Jitsugyo no Nihon Sha ・ Jitsuka Matsuoka ・ Jitsuko ・ Jitsuko Saito ・ Jitsuko Yoshimura ・ Jitsuo Inagaki ・ Jitta's Atonement ・ Jitte ・ Jittejutsu ・ Jitter ・ Jitter (disambiguation) ・ Jitter (optics) ・ Jitter Bughouse ・ Jitter chat ・ Jitterbit Integration Server ・ Jitterbug ・ Jitterbug (disambiguation) ・ Jitterbug Perfume ・ Jitterbug Stroll ・ Jitterbug Waltz ・ Jitterbugs ・ Jitterlyzer ・ Jittery ・ Jittery Jester ・ Jittery Joe's ・ Jittery Joe's (cycling team) Dictionary Lists mini英和辞書 mini和英辞書 Webster 1913 Latin-English FOLDOC Wikipedia English ウィキペディア

翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Jitter (optics) ： ウィキペディア英語版 Jitter (optics) In optics, jitter is used to refer to motion that has high temporal frequency relative to the integration/exposure time. This may result from vibration in an assembly or from the unstable hand of a photographer. Jitter is typically differentiated from smear, which has a lower frequency relative to the integration time. Whereas smear refers to a relatively constant rate during the integration/exposure time, jitter refers to a relatively sinusoidal motion during the integration/exposure time. The equation for the optical Modulation transfer function associated with jitter is :$MTF\_(k)\; =e^\; k^2\backslash sigma^2\}$ where k is the spatial frequency and $\backslash sigma$ is the amplitude of the jitter. Note that this frequency is in radians of phase per cycle. The equivalent expression in Hz is :$MTF\_(u)\; =e^$ where u is the spatial frequency and $\backslash sigma$ is again the amplitude of the jitter. For spacecraft, operation in a vacuum often means low mechanical damping. Meanwhile, spacecraft are compact and rigid, to withstand high launch loads. Jitter, then, is transmitted easily and often a limiting factor for high-resolution optics. ==References== 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「Jitter (optics)」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.