查询词典 microwave cavity

Energy exchange efficiency of clustering electron beams passing through a cylindrical coaxial TM812 mode cavity resonator is studied,as well as the extraction method of microwave energy from the cavity resonator.

研究了群聚电子注穿越同轴TM812模谐振腔的换能效率和同轴TM812模谐振腔中微波能量的提取方法，论证了其作为毫米波多注速调管的输出腔的可行性。

The microwave oven of the present invention comprises a cavity assembly which defines a cooking chamber therein and functions as a framework of the microwave oven, an outer casing which includes a top portion and side portions formed at both ends of the top portion to enclose the cavity assembly and interior parts and is provided with convexo-concave reinforcements at the top portion and at least one side portion, a door of which one side is connected to the cavity assembly to be a pivot center and which selectively causes the cooking chamber to be open and close, and a back plate which defines a rear face of the cavity assembly and is provided with a convexo-concave reinforcement formed along at least one edge portion thereof.

本发明中的微波炉包括：空腔组件，其中限定烹饪室，并用作微波炉的主框架；外壳，其包括一个顶部部分和形成在顶部部分两端的侧面部分，用来围住空腔组件和内部的部件，在顶部部分和至少一个侧面部分设置凸凹面的加固件；门，其一侧和空腔组件相连作为枢轴中心，所述门可以选择性的将烹饪室打开和关闭；以及后面板，其限定空腔组件的后表面，设有在沿着其至少一个边缘部分形成的一个凸凹面的加固件。

The on-line density measurement technology with microwave has been narrated as a key part. We has deduced relations between permittivity、the load Q-factor and resonant frequency. And the electromagnetic field for closed cavity 、open cavity has been analyzed. we also discuss the design of cavity that is used in experiment、means for how to stir electromagnetic wave and choice of diameter/length ratio for cavity.

接着重点说明了微波在线密度测量原理，基于麦克斯韦方程组深入推导了微扰情况下介电常数与谐振频率，有载品质因数的关系；分别讨论了封闭谐振腔和开孔谐振腔中的电磁场以及微扰方法中所使用的谐振腔的设计及设计中激励方式、腔长/半径的选择等若干关键问题。

Adjusting insertion depth of the tuning screw pin at any moment can reach tuning effect to make waveguide device match to load of resonant cavity well in order to adapt to everchanging equivalent load of resonant cavity in course of working so as to realize real time control of energy coupling. The invention helps to increase working accuracy and efficiency of PCVD technique, and prevent damage on system device from microwave so as to raise useful service life of system. Features are: simple structure, stable performance, convenient for fabrication.

本发明通过在谐振腔设置调谐销钉，可随时调节销钉的插入深度来达到调谐的效果，能使波导装置很好地与谐振腔负载匹配，以适应加工过程中谐振腔等效负载的不断变化，实现能量耦合的实时控制；同时有助于提高PCVD工艺的加工精度和效率，避免微波对系统器件的损坏，提高等离子体谐振腔微波系统的有效使用寿命；本发明还具有结构简单，性能稳定，便于加工和制作的特点。

By using of the theory and simulation methods above, the inject cavity, buncher cavity and output cavity are analysed separably. With An annual electron beam of voltage 500kV, and current 3kA, average output microwave power 455MW and peak power 1.3GM is observed, bandwidth is 60MHz, the efficiency is 30.3%, the gain is about 36.8dB.and the frequency is 2.85GHz, The amplitude and phase of output microwave is stable.

最后运用上面所得出的一系列理论及模拟方法，分别对相对论速调管的注入腔、聚束腔和输出腔的工作特性进行了详细的分析和优化设计，我们采用3kA和500kV的环形强流相对论电子束，最后得到了工作频率为2.85GHz、饱和增益为36.8dB、效率为30.3％、带宽大约60MHz、平均功率为455MW，峰值功率可达1.3GW的微波输出的相对论速调管，输出微波的幅值平稳，相位稳定。

The isolator is able to absorb the microwave overload in the cavity to protect magnetron ,IC, E-PROM from the microwave radialization .

过载放射吸收和保护装置专利可保护磁控管和腔内 IC 电路、 E-PROM 在电磁辐射下正常工作，此装置为 CEM 重要专利。

Photo-cathode superconducting accelerator experiment system includes Nd:YAG mode-locked laser, Cs 2Te cathode, 2+1/2 RF gun, L band 3.5MW microwave source, 1.3GHz superconducting cavity, 500W continuous microwave source, coaxial input coupler, 4.2K cryostat, helium liquified system, control system, beam diagnosis system, and vacuum system.

光阴极超导加速器实验系统由四倍频 Nd：YAG锁模激光器，Cs2 Te光阴极，2 +1 / 2微波电子枪，L波段 3 。5 MW脉冲微波源，1 。3 GHz单腔超导铌腔，5 0 0 W连续微波源，超导腔束管耦合器，4 。2 K低温恒温容器，液氦制冷系统，同步控制系统，束流参数诊断，真空系统等构成。

Based on the 1D single electron theory of the interaction between the electron and microwave, the generation and the oscillation of microwave in the foldaway concentric cylinders resonant cavity are analyzed.

提出一种高功率微波折叠式谐振腔径向速调管振荡器，用电子与电磁场相互作用的一维单电子模型分析了这种折叠式谐振腔径向速调管振荡器的特点。

It was shown that the SNR of the RADS could be improved by using a microwave cavity with proper microwave field mode and high microwave filling factor, a rubidium spectrum lamp with high spectrum purity and a separated isotope filtering scheme in the physics package design. The performance of the rubidium atomic frequency standard could be improved by taking all these factors into consideration.

本文分析了微波腔的结构、铷光谱灯的光谱纯度和同位素滤光方案对信噪比的影响，指出采用模式优越、微波填充因子大的微波腔，光谱纯度高的铷光谱灯，用分离滤光方法进行同位素滤光，可以提高铷原子鉴频信号的信噪比，从而使铷频标的稳定度指标得到进一步改善。

Inefficient agitation leads to temperature gradients within the reaction mixture due to field inhomogeneities in the microwave cavity.

在微波炉中，由于电场的不均匀性，无效搅拌会导致在反应混合物中形成温度梯度。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了