太赫兹科学与电子信息学报
太赫玆科學與電子信息學報
태혁자과학여전자신식학보
Information and Electronic Engineering
2014年
3期
416-419
,共4页
高功率微波%过模波导%模式过渡器%模式滤波器
高功率微波%過模波導%模式過渡器%模式濾波器
고공솔미파%과모파도%모식과도기%모식려파기
high-power microwave%over-moded waveguide%mode transition%mode filter
过模波导是一种突破传统单模波导功率容量的波导结构。在高功率微波系统中，基于过模波导的模式过渡器和模式滤波器都是传输系统的关键器件。本文讨论了这些器件的理论设计依据，并设计了一套包括过模波导、模式过渡器、模式滤波器的8 mm 高功率过模波导传输系统，其中，模式滤波器分别通过膜片和窄缝滤除高次模。并用 CST Microwave Studio建模并仿真。仿真结果表明，该过模传输系统能够有效抑制高次模带来的谐振效应，提高微波的传输效率。
過模波導是一種突破傳統單模波導功率容量的波導結構。在高功率微波繫統中，基于過模波導的模式過渡器和模式濾波器都是傳輸繫統的關鍵器件。本文討論瞭這些器件的理論設計依據，併設計瞭一套包括過模波導、模式過渡器、模式濾波器的8 mm 高功率過模波導傳輸繫統，其中，模式濾波器分彆通過膜片和窄縫濾除高次模。併用 CST Microwave Studio建模併倣真。倣真結果錶明，該過模傳輸繫統能夠有效抑製高次模帶來的諧振效應，提高微波的傳輸效率。
과모파도시일충돌파전통단모파도공솔용량적파도결구。재고공솔미파계통중，기우과모파도적모식과도기화모식려파기도시전수계통적관건기건。본문토론료저사기건적이론설계의거，병설계료일투포괄과모파도、모식과도기、모식려파기적8 mm 고공솔과모파도전수계통，기중，모식려파기분별통과막편화착봉려제고차모。병용 CST Microwave Studio건모병방진。방진결과표명，해과모전수계통능구유효억제고차모대래적해진효응，제고미파적전수효솔。
An over-moded waveguide is a kind of waveguide structure which breaks through the power capacity limitation of a traditional single mode waveguide. Mode transitions and mode filters based on over-moded waveguide are key components in a high power microwave system. The design theory of these components is discussed, and a set of 8 mm high-power over-moded microwave power transmission system is designed,including over-moded waveguides, a mode transition, and a mode filter. The mode filter can remove high order modes by sheet and slots. Modeling and simulation are performed by using CST Microwave Studio. The simulation results show that the over-moded transmission system suppresses the resonance of high order modes efficiently and therefore enhances the microwave power transmission efficiency.
