| 1. | High power radial reflex klystron oscillator with virtual cathode
新型高功率虚阴极径向反射速调管振荡器 |
| 2. | This new radial reflex klystron oscillator with virtual cathode is designed and simulated by 2 . 5 - d pic code
分析了电子束在径向反射腔中形成虚阴极的过程和虚阴极对电子束的调制作用。 |
| 3. | The radial high current forms the virtual cathode in the reflected high frequency field , which further modulates the emitted electron beam
径向强流电子束在径向反射场中会形成虚阴极振荡，单独的虚阴极振荡产生的微波效率低。 |
| 4. | Pspice models for fcg , pulse transformer , electric exploding wire opening switch ( eeos ) , blumlein pulse forming line , and virtual cathode osillator ( vircator ) are created
利用pspice程序，创建了包括脉冲变压器、电爆炸丝( eeos ) 、 blumlein传输线、虚阴极振荡器( vircator )和fcg等在内的电路元件模型库。 |
| 5. | A virtual cathode oscillator with axially extracted te10 mode of rectangular waveguide has been designed and manufactured . the measurement system which is used to diagnose microwaves emitted by the virtual cathode oscillator has been prepared
对基于tomachan加速器参数的轴向提取矩形波导te10模虚阴极进行了工程设计和加工,并对测量系统进行标定,为下一步的实验研究工作打下了基础。 |
| 6. | The virtual cathode oscillator ( vircator ) is one of the most important devices that can produce high power microwaves . for the increasing of microwave power and the locking of operation frequency , researchers have proposed many different types of improved vircators
轴向反馈式虚阴极振荡器主要利用反馈微波调制电子束和虚阴极，从而增大微波输出功率、提高效率、稳定频率、净化模式。 |
| 7. | A virtual cathode oscillator with an axially extracted te10 or te11 mode based on the tomachan accelerator in our laboratory is investigated using the pic simulation code . the tomachan accelerator can run with an electron beam of 400kev and 8 . 9ka
基于tomachan加速器电子束参数设计的轴向提取te10 / te11模虚阴极振荡器,不需要改变束-波作用区结构,只需通过更换提取波导,即可实现te10 / te11模式微波的轴向提取。 |
| 8. | 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
它们是折叠式谐振腔径向速调管振荡器，高功率虚阴极径向反射速调管振荡器，开放式同轴折叠式谐振腔径向反射速调管振荡器。 |
| 9. | A virtual cathode oscillator with an axially extracted te10 or te11 mode has been investigated using the pic code . it can emit microwaves axially through an antenna without mode converter or transition waveguide , making the system more simple and compact . the efficiency of this device can be enhanced by employing premodulation cavity , resonant cavity , feedback mechanism , and virtual cathode formed by two electron beams
本文利用物理分析和粒子模拟的方法研究了轴向提取te10 / te11模虚阴极振荡器,结果表明通过引入预调制腔、谐振腔、反馈端面、双电子束阴极等结构,可以实现结构相对紧凑、束波转换效率较高的轴向提取虚阴极振荡器。 |
| 10. | 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
利用虚阴极反射电子束对调制腔的正反馈，可以减小起振电流和起振时间，而且提高了微波产生效率。它是一种结构简单，紧凑，不需要引导磁场的器件。 |
