1 / 27

# 第 3 章 - PowerPoint PPT Presentation

I am the owner, or an agent authorized to act on behalf of the owner, of the copyrighted work described.

## 第 3 章

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.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.

- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -
Presentation Transcript

Working Process Analysis(Ⅰ)

(3-1)

1. 反射系数Γ

（3-2）

［性质］·反射系数的模是无耗传输线系统的不变量

(3-3)

·反射系数呈周期性

(3-4)



(3-5)

2. 阻抗Z

［性质］·负载阻抗Zl通过传输线段 变换成( )，因此传输线对于阻抗有变换器(Transformer)的作用。

3. 反射系数与阻抗的关系

(3-6)

(3-7)

(3-8)

(3-9)

(3-10)

【定理】 传输线全反射的条件是负载接纯电抗，即

(3-11)

1. 短路状态

(3-12)

2.开路线

3. 任意电抗负载

(3-14)

(3-16)

［附注］对于等效长度问题，我们也可以

(3-17)

(3-18)

(3-19)

(3-20)

(3-21)

(3-22)

(3-23)

PROBLEMS 3