bwo

The Performance Calculation and the Experimental Research of the Printed Circuit BWO

印刷电路返波管的特性计算与实验研究

First , the present thesis gives theoretical investigations on the coaxial BWO using the linear fluid model .

首先，本论文采用线性理论模型研究了同轴相对论返波振荡器的相互作用过程。

Particle Simulation and Experimental Study of the High-Power Narrow-Pulse Millimeter Wave BWO

高功率窄脉冲毫米波返波管粒子模拟与实验研究

A novel BWO with photonic band gap structure

具有光子晶体带隙结构的返波振荡器的初步研究

Rule of men and rule of law are BWO different developing periods in which the human beings exist as value sense ;

人治与法治是人作为价值观念存在的两个不同发展阶段；

The effects of the structure parameters and the beam voltage on the BWO are studied by using the uniform SWS model .

以均匀慢波结构的返波振荡器为模型研究了慢波结构的几何参数和二极管电压对其工作特性的影响，并进行了参数优化。

Experimental studies of relativistic backward wave oscillator ( BWO ) with a resonant reflector are presented .

阐述了带有反射腔的相对论返波管的初步实验研究进展。

BWO Continuous-Wave THz imaging is a new approach to non-destructive testing . This system is build by ourselves .

BWO连续太赫兹波成像是一种新的无损检测方法，该系统也是首都师范大学THz小组自主搭建的成像系统。

This THz BWO consisting of a large cross-section slow wave system operated as an overmoded surface wave oscillator .

其中，慢波系统是在一段过模圆柱波导内壁沿圆周方向平行挖去若干个均匀环形槽构成的，相邻槽间距固定不变。

This paper treats the double and multiple beam TWA and BWO from a unified coupled-mode point of view .

本文从模式耦合的统一观点出发，研究了双电子注和多电子注行波放大管和返波振荡管的换能作用。

The one of the distinguished advantage of the filter type slow wave circuit using in TWT is its property of suppression the BWO .

滤波性慢波线行波管的另一优点，是它的抑止返波振荡的性质。

One of the most important measures that are used to make TWT work stably and reliably is to suppress all kinds of self-oscillations , including BWO .

为了使行波管能够稳定可靠地工作，抑制各种自激振荡是最重要的措施之一，而抑制返波振荡尤为重要。

Backward wave oscillator ( BWO ) has been used in many mm-wave sources for its advantage of wide band , frequency tunable continuously , and high power output .

返波管振荡器由于具有带宽宽、输出频率连续可调、输出功率较大等优点在毫米波频段的信号源中得到了很多应用。

For the characteristics of BWO , this paper discusses the methods to realize the BWO phase locked , then designs mm-wave phase locked source and obtains as .

本文针对返波管振荡器的特性，讨论了实现毫米波返波管振荡器锁相的技术方法，完成了某毫米波信号源的设计，取得了很好的效果。

Coupled mode and characteristic equations for completely separated and completely intermingled double beam TWA and BWO are first derived . Ash 's results are extended to cases with distributed loss .

文中首先推导出适用于完全分隔和完全混合的双电子注行波管和返波管的模式耦合方程和特性方程，并把Ash的结果延伸到具有分布损耗的情况。

Using two wave theory the start oscillation currents of backward wave oscillations ( BWO ) with three kinds of typical practical non homogeneous output circuits are analyzed and some corresponding conclusions are made .

本文利用二波理论对三种典型实用的非均匀输出线路的返波起振电流进行了研究并得出相应结论。

Particle simulation of the device has been done with electromagnetic code KARAT , in which structure of the BWO has been optimized and the dependence of microwave efficiency on applied magnetic field has been investigated .

用KARAT软件对谐振反射腔返波管进行了宏观粒子模拟，得到了优化的返波管结构参数，并研究了外加磁场对输出效率的影响。

The backward-wave oscillator ( BWO ) is one of the promising devices that can produce high-power microwaves and is intensively investigated because of its merits such as compact structure , high efficiency and good stability .

相对论返波振荡器是有发展前途的高功率微波源之一，具有电磁结构紧凑、效率高和运行稳定等特点，在国际上受到广泛重视。

The results show that when beam passes through a nonlinear medium , not only beam 's phase , but also its profile are undergoing change . When these bwo factors are taken into consideration , only under the nonlinear refractions effect the power-limiting phenomenon can be observed .

结果表明，在考虑到光束经过非线性介质时，相位与横向分布都会发生变化后，仅在非线性折射效应作用下，在远场就存在限幅效应。

It is shown that the cutoff frequency of system increases with the introduction of inner coaxial conductor , the size of system can be greater than conventional corrugated waveguide bwo , large radius hollow electron beam could be used and device could operate with a low guiding magnetic field .

研究表明内导体的存在使系统截止频率升高，系统尺寸可比普通波纹波导慢波系统更大，并且可以采用大半径电子注并工作在低磁场状态。

Using teflon microwires and micro-tubes , several kinds of photonic crystal terahertz waveguides were fabricated , and we also experimentally characterized one of the photonic crystal terahertz waveguides by a terahertz time-domain system and a continuous BWO ( backward wave osciallator ) terahertz source .

利用特氟龙微细线和微细管制作了几种光子晶体太赫兹波导，并使用太赫兹时域谱系统及返波管连续太赫兹源对光子晶体太赫兹波导的基本传输特性进行了实验表征。