1 / 4

LTI 系统的频域分析

LTI 系统的频域分析. f(t). y(t). h(t). 信号 傅立叶变换： f(t) F(j ω )= F(j ω ) （幅频特性）或 φ ( ω )( 相频特性 ) 。 系统频域分析是分析系统的激励和响应在频域中的关系。 一 . 频率响应： . 不考虑初始条件（即在零状态响应下）. 即：. y(t)=h(t)* f(t). y(t). f(t). h(t) H(j ω ). 关系满足卷积定理. F(j ω ).

yoland
Download Presentation

LTI 系统的频域分析

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. LTI系统的频域分析 f(t) y(t) h(t) • 信号 傅立叶变换：f(t) F(jω)= F(jω) （幅频特性）或φ (ω)(相频特性)。 系统频域分析是分析系统的激励和响应在频域中的关系。 一.频率响应： . 不考虑初始条件（即在零状态响应下） 即： y(t)=h(t)* f(t) y(t) f(t) h(t) H(j ω) 关系满足卷积定理 F(j ω) Y(j ω)= H(j ω) F(j ω) Y(j ω)

  2. R + + us Uc(t) C - -

More Related