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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 Zero state response ： ウィキペディア英語版 Zero state response In electrical circuit theory, the zero state response (ZSR), also known as the forced response is the behavior or response of a circuit with initial state of zero. The ZSR results only from the external inputs or driving functions of the circuit and not from the initial state. The ZSR is also called the ''forced'' or ''driven response'' of the circuit. The total response of the circuit is the superposition of the ZSR and the ZIR, or Zero Input Response. The ZIR results only from the initial state of the circuit and not from any external drive. The ZIR is also called the ''natural response'', and the resonant frequencies of the ZIR are called the ''natural frequencies''. Given a description of a system in the s-domain, the zero-state response can be described as Y(s)=Init(s)/a(s) where a(s) and Init(s) are system-specific. ==Zero state response and zero input response in integrator and differentiator circuits== One example of zero state response being used is in integrator and differentiator circuits. By examining a simple integrator circuit it can be demonstrated that when a function is put into a linear time-invariant (LTI) system, an output can be characterized by a superposition or sum of the Zero Input Response and the zero state response. A system can be represented as $f(t)\backslash ,$ $y(t)\; =\; y(t\_0)\; +\; \backslash int\_^\; f(\backslash tau)\; d\backslash tau$ with the input $f(t).\backslash$ on the left and the output $y(t).\backslash$ on the right. The output $y(t).\backslash$ can be separated into a zero input and a zero state solution with $y(t)\; =\; \backslash underbrace\_\; +\; \backslash underbrace\; f(\backslash tau)\; d\backslash tau\}\_.$ The contributions of $y(t\_0)\backslash ,$ and $f(t)\backslash ,$ to output $y(t)\backslash ,$ are additive and each contribution $y(t\_0)\backslash ,$ and $\backslash int\_^\; f(\backslash tau)\; d\backslash tau$ vanishes with vanishing $y(t\_0)\backslash ,$ and $f(t).\backslash ,$ This behavior constitutes a linear system. A linear system has an output that is a sum of distinct zero-input and zero-state components, each varying linearly, with the initial state of the system and the input of the system respectively. The zero input response and zero state response are independent of each other and therefore each component can be computed independently of the other. 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「Zero state response」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.