backward wave
英 [ˈbækwəd weɪv]
美 [ˈbækwərd weɪv]
反向波, 回波；反射波
双语例句
- 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。 - Particle simulation of relativistic backward wave oscillator with coaxial extractor
同轴引出电子束相对论返波振荡器的粒子模拟 - 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。 - Influence of inner conductor on operation band selection in relativistic backward wave oscillator
内导体对相对论返波振荡器工作波段选择的影响 - Design of the relativistic backward wave oscillator with corrugated-inner-conductor coaxial SWS
低频段紧凑型波纹内导体同轴相对论返波振荡器的设计 - Recent Development of Relativistic Backward Wave Oscillator
相对论返波振荡器研究进展 - Pulse shortening phenomena in relativistic backward wave oscillator
相对论返波管中的脉冲缩短现象 - The minimum of backward wave amplitude is zero.
后向波振幅极小值为零。 - The competing effect of stimulated scattering in parametric oscillation of backward wave
后向波参量振荡中的受激散射竞争效应 - Experimental study of backward wave oscillator with resonant reflector operating at low magnetic field
带谐振腔反射器的低磁场返波管实验研究 - The Study of a Coaxial Relativistic Backward Wave Oscillator by Particle-In-Cell Method
同轴型相对论返波管的粒子模拟研究 - Particle Simulation of Subnanosecond Millimeter Relativistic Backward Wave Oscillator in the Low Guide Magnetic Field Region
低引导磁场下相对论亚纳秒电子束毫米波返波振荡器的粒子模拟 - Investigation of Characters of Dispersion and Backward Wave in Helix TWTs with Several Typical Vane Load
几种典型翼片加载螺旋线行波管色散及返波特性研究 - Employing the self-consistent nonlinear theory, the wave beam interaction and the wave developing with time in the subnanosecond millimeter relativistic backward wave oscillator were theoretically analysised.
本论文采用自洽非线性理论，理论分析了相对论返波振荡器中注波互作用及亚纳秒电子束与波在微波器件中随时间的演变过程。 - The self consistent nonlinear theory of relativistic backward wave oscillator with End reflections, asynchronous interaction of the forward fundamental wave with election beam and electron beam space charge effect was built up in the conditions of classical phase mould.
本文建立起分析相对论返波管注波互作用过程的自洽非线性工作方程组，理论模型中计及了正向波基波与电子注的异步互作用效应、电子注的空间电荷效应。 - Investigation on the miniaturization of the microstrip antenna based on the backward wave property of left-handed medium
基于左手介质后向波特性的微带天线小型化研究 - A coupled mode description of double and multiple beam traveling wave amplifiers and backward wave oscillators
模式耦合理论在双电子注、多电子注行波管和返波管中的应用 - The influences of medium relaxation on the transient properties of degenerate four-wave mixing were studied theoretically and experimentally. Through investigation of the shape of backward wave, the collection effect and smoothing effect were observed.
在理论和实验上研究了介质弛豫对四波混频瞬态特性的影响，通过考察后向波波形的变化，观察到光栅的积累效应和光滑效应。 - The dispersion equation of the traveling wave mode and backward wave mode are put forward for the engineering application. The coupling coefficient of the dispersion equation is simplified, whose error is about 1%.
提出了适合工程实用的行波模式和返波模式的色散方程，并对方程中的耦合系数进行了简化，误差在1%左右。 - This paper brings forth a new relativistic backward wave oscillator with coaxial extractor.
提出一种新型相对论返波管同轴引出相对论返波管结构。 - In this paper, the first experiment of generating the phase conjugated backward wave by degenerate four-wave mixing in chlorophyll solution is reported.
本文报道在叶绿素溶液中用简并的四波混频得到位相复共轭后向反射波的首次实验。 - Considering the competing effect of Raman scattering, the dependence of intensity of parametric backward wave oscillation on the pumping intensity is obtained.
考虑受激喇曼散射的竞争效应，求得了简并四波混频后向波参量振荡信号强度与泵浦输入强度的关系。 - How to Enhance the Start Oscillation Current of the Backward wave in a TWT
提高行波管的返波起振电流 - Numerically Analyze to the High Frequency Characteristics of the Coaxial Relativistic Backward Wave Oscillator
同轴相对论返波管高频特性的数值分析 - The phase conjugate behaviours of the backward wave have been demonstrated.
研究了后向反射波的位相复共轭特性。 - The Investigation of a High Power Relativistic Backward Wave Oscillator
高功率相对论返波振荡器的研究 - Based on the analysis of principles of the multi-frequency relativistic backward wave oscillator, the physical model was established and particle simulation was carried out. Output of X-band tri-band and quad-band microwave was acquired.
通过建立多频相对论返波振荡器的物理模型，在对其工作原理分析的基础上，进行了粒子模拟的研究，获得了X波段的三频和四频的微波输出。 - In addition, periodic dielectric waveguide is shown to support backward wave propagation, whose power flow and phase velocity are anti-parallel.
另外，周期介质波导支持反向波的传输，其功率流和相速度方向相反。 - In this paper, the multi-frequency relativistic backward wave oscillator is studied and over-mode non-uniform slow wave structure was proposed. In the interaction region of relativistic backward wave oscillator, the electron beam can interact with two modes simultaneously, therefore multiple frequencies were achieved.
本文研究多频相对论返波振荡器，提出采用过模非均匀慢波结构作为返波振荡器的互作用腔，让电子注同时与两个模式相互作用，从而达到产生多频的目的。 - 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。