電子學頻率響應轉移函數 - 考試

By Sierra Rose
at 2014-05-28T17:03
at 2014-05-28T17:03
Table of Contents
[課業] 國考課業相關問題,非歷屆考題的討論,如學理觀念的釐清。
看到一個題目如下
KS^2
T(S)=__________________________ 且中頻增益為60dB
(S+10)(S+100)(S+10000)^2
問K為多少?
這題如果用畫波徳圖的做法我會
KS^2
但我看書上他是寫Am(中頻增益)= T(S)/wL<<|s|<<wH = _____________ =+-1000(60dB)
(S)(S)(10000)^2
可是轉移函數不是包含大小和相位???我以為說是要先化成振福響應才可以做
--
看到一個題目如下
KS^2
T(S)=__________________________ 且中頻增益為60dB
(S+10)(S+100)(S+10000)^2
問K為多少?
這題如果用畫波徳圖的做法我會
KS^2
但我看書上他是寫Am(中頻增益)= T(S)/wL<<|s|<<wH = _____________ =+-1000(60dB)
(S)(S)(10000)^2
可是轉移函數不是包含大小和相位???我以為說是要先化成振福響應才可以做
--
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考試
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