圓波導(dǎo)鐵氧體鎖式變極化器的阻抗匹配研究
A STUDY ON THE IMPEDANCE MATCHING OF THE CIRCULAR WAVEGUIDE LATCHING FERRITE VARIABLE POLARIZER
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摘要: 本文對(duì)鐵氧體環(huán)加載圓波導(dǎo)鎖式變極化器進(jìn)行了阻抗匹配研究。從而提出了一種設(shè)計(jì)鐵氧體環(huán)加載圓波導(dǎo)變極化器阻抗匹配的方法。推導(dǎo)出了/4阻抗匹配的計(jì)算公式,計(jì)算得到了阻抗變換器的尺寸,測試了實(shí)際樣品的匹配性能,實(shí)測結(jié)果和理論計(jì)算吻合得很好。
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關(guān)鍵詞:
- 圓波導(dǎo); 鎖式變極化器; 阻抗匹配
Abstract: In this paper,the impedance matching problem of the circular waveguide latching ferrite variable polarizer has been studied,a method of calculating the impedance matching of the circular waveguide latching ferrite variable polarizer has been presented.Formulas for calculating the /4 impedance matching are given.According to the size obtained by the calculation,a device for impedance matching was made and the VSWR of the device has been measured.The measured results agree well with the calculated results. -
Yansheng Xu.Latching ferrite quadrpole-field devices.IEEE.Trans.On MTT,1987,MTT 35(11):1062-1065.[2]Wen Junding,Xiong Y-Z,Shi M-J,Chen G-F,Yu M-D.Analysis of twin ferrite toroidal phase shifter in grooved waveguide.IEEE Trans.On MTT,1994,MTT-42(4):616-621.[3]Harrington R F.Time Harmonic Electromagnetic Fields,New York:McGraw-Hill Book Co.,1961,Chapter 5,216-223. -
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