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klystron n.【電學】速(度)調(制)(電子)管,調(制)速(度)...

klystron oscilator

The basic principle , main properties , typical parameters , technical characteristics and general situation of klystron are introduced . the electron beam prebunching in the modulated cavity and shift tube of relativistic klystron amplifer ( rka ) is studied analytically , a self - consistent equation of radiation generated by the prebunched electron beam in the radiation cavity is derived using the field method of particle ? wave interaction instead of the electrical circuit method , and in terms of it , the gain in the linear regime calculated , a field analysis method is proposed . the theory analysis shows that the characteristic parameters , such as resonance frequency , real part of gap - impedance , external quality fadtor in all kinds of klystron output circuits including single - beam , multi - beam , single - gap , multi - gap , single - beammulti - gap , multi - beam multi - gap klystron output circuit , can be calculated by the field analysis method 本文系統的介紹了速調管的工作原理、主要特點、發展概況、主要性能指標和技術特點,解析的研究了電子束在相對論速調管放大器的調制腔和漂移管中的預群聚;用粒子波互作用的場方法導出了在輻射腔中預群聚電子束產生輻射的自洽方程,同時對線性區的增益進行了計算。理論分析表明,場分析法可用于計算單注單間隙、多注多間隙、單注多間隙和多注多間隙速調管輸出回路的諧振頻率、間隙阻抗實部和外觀品質因數等特性參數。

Simulation results show 2 . 5 gw output power with a frequency of 1 . 25ghz can be generated with an input of 620kv voltage , dc input power of 10 . 5gw electron beam . ( 3 ) the radial reflex klystron with an open foldaway - concentric cylindrical resonant cavity integrates the resonant cavity and reflex cavity within one foldaway coaxial cavity , so it is a very compact high power microwave device 然后對這種器件進行了數值模擬研究,得到的典型結果為:輸入電壓620kv ,輸入直流功率io . sgw ,輸出微波峰值功率為2 . sgw ,虛陰極振蕩頻率被鎖定,頻率為1 . 25ghz ,微波飽和時間小于sns 。

The feed - back provided by the reflected electron beams reduce the start - up current and the start - up time in a vircator , while the existence of klystron cavity improves the extracting efficiency , hence the radial reflex klystron oscillator with virtual cathode combines the advantages of both devices , becomes a compact , efficient set 利用虛陰極反射電子束對調制腔的正反饋,可以減小起振電流和起振時間,而且提高了微波產生效率。它是一種結構簡單,緊湊,不需要引導磁場的器件。

The second , a complete simulation computation method for output circuit of broadband klystron is developed , basing on existing program isfel3d for simulation computation of three dimensions electromagnetic field , principle of output circuit of broadband klystron and microwave network theory . some practical examples are calculated and the calculated results are compared with cold test results , so that the reliability of the simulation computation method is proven 第二,基于現有的三維電磁場模擬計算軟件isfel3d 、寬帶速調管輸出回路原理和微波網絡理論,建立了一套完整的寬帶速調管輸出回路模擬計算方法,并通過實際例子的計算結果和冷測結果的比較,驗證了該模擬計算方法的可靠性。

The third , some groping researches are made on broadband coaxial line filter output circuit of klystron . a broadband output circuit - mode four coupling slots double - gap output cavity loaded with coaxial filter , which has a workable relative bandwidth bigger than 14 % and fits in with l - band multi - beam klystron , is designed . meanwhile some analysis of its stability and peak power capacity is made 第三,對速調管同軸線濾波器寬帶輸出回路進行研究和探索,設計出了一個適合用于l波段多注速調管、相對帶寬超過14的四耦合槽模強耦合雙間隙腔加載同軸線濾波器輸出回路,并對其穩定性和峰值功率容限做了一些分析。

Several new styles of radial klystron oscillators are studied theoretically and numerically . these new members include : the radial klystron oscillator with foldaway - concentric cylindrical cavity , the radial reflex klystron oscillator with virtual cathode and radial reflex klystron with open foldaway - concentric cylindrical cavity 它們是折疊式諧振腔徑向速調管振蕩器,高功率虛陰極徑向反射速調管振蕩器,開放式同軸折疊式諧振腔徑向反射速調管振蕩器。

At present , feas have potential for use as an electron source in a wide variety of applications , including microwave power amplifiers ( such as twts , klystron ) , flat panel displays , electron microscopy , and electron beam lithography 目前,場致發射陣列陰極的應用領域十分廣泛,主要包括微波器件(應用于twts , klystron等) 、平板顯示器( feds ) 、電子顯微鏡及電子束刻蝕系統等。其中,應用研究的焦點主要集中在平板顯示器和射頻功率放大器。

The state run hanguang electron device factory began to make “ sungong “ auto sealed beam , to be the first manufacturer of auto lamps with all specifications , and high power klystron with high tech , in china 國營漢光電工廠率先在國內推出第一批車用真空燈芯,成為我國最早研制生產汽車燈系列產品的企業之一,并同時建成中國品種最全規模最大的汽車燈系列產品生產基地和高科技大功率真空器件研制生產基地。

As for the tv transmitter of uhf of which the power grade is above 10kw , the valve power amplifier such as the electron tube , klystron and iot are widely adopted in high - frequency linear power amplifier 功率等級在10kw以上的uhf (特高頻)電視發射機,其高頻線性功率放大器普遍采用電子管、速調管、感應輸出管( iot )等電真空管放大器件。

So a new kind of microwave cavity - mode strongly coupling double gap cavity , which has higher characteristic impedance , smaller volume and fits in with lower frequency band multi - beam klystrons , is proposed 并提出了一類新型的、具有較高特性阻抗和較小體積的低頻率波段多注速調管輸出腔?模強耦合雙間隙微波諧振腔。

Gyroklystron is a new microwave apparatus , because it integrates advantages of gyrotron and klystron , and has vast applications in radar area , it has been pay much respect in the world 回旋速調管在眾多的微波器件中是新興的一類管種,它結合了回旋管和速調管的優點,在雷達領域有著廣泛的應用前景,因此受到國內外學者的關注。

We use state of art materials such as ndfeb , smco , hard ferrite to manufacture various magnetic assemblies and components such as magnetrons , twt , klystrons , coupling and sensors 我們運用各種磁性材料來為客戶提供諸如:磁控管、行波管、極超短波用電子管、磁耦合器件以及傳感器等等永磁器件,以滿足用戶的各種需求。

The improved microwave output power and efficiency are obtained . ( 1 ) the radial klystron oscillator with foldaway - concentric cylindrical resonant cavity is researched firstly 研究了徑向電子束與徑向間隙內,徑向二極管間隙內,徑向反射速調管內的微波電場的相互作用過程。

At the end , this thesis also has studied some characters of multiple - beam klystron resonator by moment method and the measured result accords with the computed result 本文還用矩量法對一種鎖相源?多注速調管的諧振腔參數進行了計算和仿真,結果與實測一致。

The dissertation expounds a series of in - depth researches on the output section of high power broadband multi - beam klystron and the main fruits 該博士論文闡述了圍繞著大功率寬帶多注速調管輸出段所展開的一系列深入的研究和所取得的主要成果。

This new radial reflex klystron oscillator with virtual cathode is designed and simulated by 2 . 5 - d pic code 分析了電子束在徑向反射腔中形成虛陰極的過程和虛陰極對電子束的調制作用。

Study of one new hpm radial klystron oscillator with foldaway concentric circular cylinder resonant cavity 一種新的高功率微波折疊式諧振腔徑向速調管振蕩器

Space charge wave revision to the electron beam bunching caused by the radiation wave in the klystron 在速調管中空間電荷波對輻射波引起的電子束群聚的修正

Calculation for a coupling coefficient of two modulation cavities in a relativistic klystron oscillator 相對論速調管振蕩器中兩個調制腔耦合系數的計算