However, phase speed depends on plasma frequency and structure dimension, and very slow waves can exist in very small sized waveguide.
然而，波的相速依赖于等离子体频率和结构尺寸，并且非常慢的波可以存在于非常小尺寸的波导中。
The effects of cage in mine tunnel on the cutoff frequency is analyzed by the finite-element method when the tunnel is regarded as a waveguide, and the numerical results are obtained.
把矿井隧道看作波导，利用有限元法分析了隧道中的罐笼对电磁波截止频率的影响，并得到数值结果。
The simulation results show that the power transmission efficiency is over 98% in a large part of the frequency range of the guided mode of photonic crystal waveguide.
二维时域有限差分仿真结果表明，在大部分光子晶体波导导模的频谱范围内，传输效率高于98%。
The results show that the cutoff frequency of the rectangular waveguide tube with the same equivalent radius is far greater than that of the cylindrical tube.
理论研究结果表明：对于同样等效直径的矩形谐振管，其截止频率远大于圆形谐振波导管的截止频率；
There is more than one half wavelength of travel at the lowest frequency of each waveguide size.
有一半以上波导管在最低频率的波长的运行。
The light at the resonant frequency for te polarization can be transferred from one waveguide to the other using the proposed system.
在共振频率处的TE偏振光能够经过这个共振系统从一个波导转移到另外一个波导。
Waveguide-based spatial power combining project mainly focus on the problem of how to combine power inside the waveguide within the frequency bands of millimeter wave.
波导空间功率合成项目主要研究的问题是如何在波导内部进行毫米波频段空间功率合成放大。
The multiple degrees of freedom (MDOF) waveguide vibration suppressor has the capacity to absorb low frequency sound.
多自由度波导抑振器具有吸收低频入射声波的功能。
In order to make the RF source and the waveguide have the same resonant frequency, the automatic frequency control (AFC) system is used.
为了使得射频源和波导管的频率保持一致，采用了自动频率控制系统(afc)。
The frequency characteristic of the admittance of radiating slot and the waveguide wavelength of radiating waveguide is the main factor that influences the bandwidth of the slot array antenna.
辐射缝隙导纳及波导导内波长的频率特性，是影响裂缝天线带宽的主要因素。
To obtain refractive index of -1 decreasing the incident light frequency and enlarging the waveguide width are both necessary.
要得到折射率为- 1的情况，则入射光归一化频率越小，光子晶体的波导宽度要相应越大。
MDI's WF series waveguide Bandpass and Harmonic Filters excel in applications where high frequency, narrow bandwidth and high 'Q' are essential.
MDIWF系列波导通频和谐波滤波器，擅长应用与高频，窄带宽和高Q频率。
A method of calculating the waveguide invariant based on the frequency-shift compensation method, which is used to improve the longitudinal correlations of acoustic fields, is developed in this paper.
基于提高声场水平纵向相关的频移补偿方法，提出了一种声场波导不变量的计算方法。
The frequency multipliers and mixers are commercial MMICs, the signal separator is a broadband high directivity waveguide directional coupler.
扩频模块中的倍频和变频器件采用商业MMIC芯片，信号分离器件采用自行设计的宽带高方向性波导定向耦合器。
More unusual, certainly at this price point, is the tweeter which is equipped with an aluminum phase plug, and ACTS as a waveguide to smooth response and further widen high frequency coverage.
更不寻常的当然是在此价位上，高音配备了一个铝制的相位平衡器，并且它起到了一个使波形平滑的作用，进一步加宽的高频范围。
By the aid of the phase shift-frequency characteristic, the conformal transformation and the perturbation theory, a new kind of compact, broadband waveguide phase shifter is developed.
借助相移-频率特性、保角变换和微扰理论，研制出了新型的宽带移相器。
In this paper, the frequency bandwidth characteristics analysis method of the narrow wall slotted-waveguide array is presented.
给出了波导窄边缝隙天线频带特性的分析方法。
Further computation indicates that the ferrite slabs loaded ridged waveguide has broadband frequency properties and the grooved waveguide has greater differential phase shift.
进一步计算结果表明含铁氧体片的脊形波导具有宽频带特性，含铁氧体片的槽形波导具有较大相位移。
Further computation indicates that the ferrite slabs loaded ridged waveguide has broadband frequency properties and the grooved waveguide has greater differential phase shift.
进一步计算结果表明含铁氧体片的脊形波导具有宽频带特性，含铁氧体片的槽形波导具有较大相位移。
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