自控頻寬問題 - 考試
By Bennie
at 2014-05-03T09:39
at 2014-05-03T09:39
Table of Contents
http://ppt.cc/goOy (題目)
http://ppt.cc/ZZE3 (我的解法)
有幾個問題想問
1.題目只說系統的轉移函數,啥都沒補充
一般來說都是指單位回授閉迴路轉移函數嗎?
2.我是用電路學的觀點看特性方程式二階系統一次項就是頻寬,跟答案解出來差0.23
不知道我這樣解也算對嗎?
3.電路學說的頻寬跟自控說的頻寬是一樣的東西嗎?
4.為什麼詳解的解法求頻寬
|G(jw)|=0.707|G(0)|
這是帶通濾波器,不懂為什麼|G(jw)|的最大處會在w=0處?
謝謝
--
http://ppt.cc/ZZE3 (我的解法)
有幾個問題想問
1.題目只說系統的轉移函數,啥都沒補充
一般來說都是指單位回授閉迴路轉移函數嗎?
2.我是用電路學的觀點看特性方程式二階系統一次項就是頻寬,跟答案解出來差0.23
不知道我這樣解也算對嗎?
3.電路學說的頻寬跟自控說的頻寬是一樣的東西嗎?
4.為什麼詳解的解法求頻寬
|G(jw)|=0.707|G(0)|
這是帶通濾波器,不懂為什麼|G(jw)|的最大處會在w=0處?
謝謝
--
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考試
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