The results show that the new type accelerating cavity has relatively high effective shunt impedance and quality factor. 计算结果表明:该种新加速腔具有较高的有效分路阻抗和品质因数。
Clover-leaf coupled cavity is a kind of slow-wave structure of high interaction impedance. 苜蓿叶形耦合腔慢波结构是一种高耦合阻抗的慢波线。
The equivalent circuit of the three-gap coupled cavity type output section is given, with which resonant frequency of resonant modes and gap impedance matrix are calculated. 给出了三间隙耦合腔输出回路的等效电路,利用等效电路确定了谐振频率及间隙阻抗矩阵。
This is an important problem on the measurement of R/ Q of a cavity or the interaction impedance of a slow wave Structure. 这是量测空腔谐振器和慢波系统耦合阻抗时所遇到的主要问题。
So a new kind of microwave cavity-π 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. 并提出了一类新型的、具有较高特性阻抗和较小体积的低频率波段多注速调管输出腔&π模强耦合双间隙微波谐振腔。
Through theoretical analyses and calculations for a biconical cavity, the distribution of electromagnetic field in the cavity, and then the impedance of a whisker and the receiving coefficient of the system are found. 本文通过对双圆锥腔体的理论分析和计算,先求出腔内电磁场的分布,再求得触丝的阻抗及系统对高斯光束的接收系数。
The influence of the phase distribution in the coupled cavity on the calculation of the coupled impedance 耦合腔结构中场的相位分布对耦合阻抗计算的影响
To estimate the effect of RF cavity coupling impedance to storing bunch intensity fully, the wake potential and the broad band couple impedance of RF cavity were calculated with MAFIA program. 为了充分估计在将来运行时,高频腔的耦合阻抗对储存高流强的影响,需要对新旧高频腔宽带耦合阻抗进行比较计算。
In superconducting cavity coupler design, the coupler is divided into two parts: the waveguide impedance transform and the waveguide coaxial line conversion. 在超导腔束管耦合器的设计中,将耦合器分成波导阻抗变换和波导同轴转换两个部分,降低了设计难度。
The expressions of ED multiplication factor and optimum coupling coefficient of the energy storage cavity are derived for the travelling wave electron linear accelerator of the constant impedance structure. 本文导出了能量倍增器用于行波等阻抗加速管时的能量增益及储能腔的最佳耦合系数。
In this article, we not only discussed how to use the numerical method to calculate the loaded quality factor of a cavity resonator, but also discussed the effect on resonator diagram of the input impedance caused by the loss of resonant resistance. 本文讨论如何采用数值方法计算谐振腔的有载品质因数。讨论了谐振腔损耗电阻对输入阻抗谐振曲线的影响。
Based on the moment method, a numerical method for calculation of the rectangular cavity crossed-slot antenna is presented. The theoretical results of the radiation characteristics such as input impedance, gain and axial ratio of circular polarization are given, which are validated by experimentation. 基于矩量法分析,本文提出了计算矩形腔十字裂缝天线的数值方法,给出了天线单元的输入阻抗、增益和轴比等辐射特性的数值结果,进行了实验验证。
Cold cavity characteristic of coupled-cavity TWT is also studied and the simulation results of dispersion and interaction impedance are given. 提出了使用大介电常数微扰介质棒减小耦合阻抗计算误差的方法,研究了行波管的冷腔特性,给出了色散、耦合阻抗等参数。
This article introduces the components and functions of an computered analysis system for the momen pelvic cavity impedance rheogram. 介绍了盆腔阻抗血流图计算机分析系统软件、硬件的组成及各组成部分的功能。
The development of an computerized analysis system for the momen pelvic cavity impedance rheogram 盆腔阻抗血流图计算机分析系统的研制
The attention was focused on the effects of the aperture size, the cavity depth and the perforated plate thickness on the impedance of the liner. 着重于声衬的孔径、腔深、孔板厚度对声衬性能的影响。
The theoretical analysis and the calculation show that the field analysis method can provide the calculation of characteristic parameters such as gap-impedance, coupling degree, efficiency of output cavity, resonance frequency, characteristic impedance and so on in the output circuit of the klystron. 经理论分析和举例计算表明,场分析法在速调管输出回路计算和设计中可提供间隙阻抗、耦合度、输出腔效率、谐振点及特性阻抗等特性参数。
A prototype cavity of longitudinal feedback kicker is developed according to the parameter of BEPC ⅱ. The usage of nose cone in the kicker design increased the shunt impedance. 结合BEPCⅡ设计参数,研制了纵向束流反馈冲击器模型腔,并且利用同轴线法测量了该模型腔的阻抗和带宽,满足设计要求。
Performs cooling cavity emulation on ladder slow wave structure. Change tendency of dispersion characteristic and coupling impedance corresponding to change of structure has been obtained based on analysis of simulation results. 3. 对梯形慢波结构进行了冷腔模拟仿真,并根据仿真结果分析了色散特性随结构尺寸参数改变的变化规律,以及耦合阻抗随结构尺寸参数改变的变化特性。
The thesis intends to research the sound absorption performance of wedge containing a cavity which is applicable for sonar flat area of the submarine suffered from vertical incidence acoustic wave. Firstly, wedge contains a cavity and fashions the heterogeneous sound absorption structure whose impedance changes gradually. 本文旨在研究声波垂直入射情况下,适用于水下航行体声纳平台区的带有空腔的尖劈的吸声性能。第一,尖劈内部含有空腔,构成了含有空腔的阻抗逐渐过渡的非均匀吸声结构。
It is designed using rectangular microstrip antenna, by method of introducing an air cavity through dielectric layer, in order to increase impedance bandwidth and improve radiation characteristics. 它采用一个矩形微带贴片天线来设计的,通过在介质层引入一个空气腔的方法来使它达到增加阻抗带宽和提高辐射特性的作用。
If the cavity is big enough, the input impedance of antenna changes violently at the resonant point, but it changes little at the nonresonant point. 如果腔体较大,在谐振频点,天线的输入阻抗变化非常剧烈,而在非谐振点则变化较小。