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- cutoff frequency of waveguide 波导截止频率
- And the bandwidth when the waveguide operates in single mode is determined by the cutoff frequency of the E_(y)1 mode and that of the E_(y)2 mode. 波导单模工作的带宽由E(y)1和E(y)2模式的低端截止频率决定.
- In order to solve the problem of cutoff frequency of rectangular ridged waveguide,effects of trains on cutoff frequency in rectangular tunnel are analyzed by using ridged waveguides method. 为求解矩形正脊波导的截止频率问题,把求解矿井隧道中存在列车时的电磁波传播特性问题归结为求解矩形正脊波导截止频率的问题。
- The width of the rectangular cavity was found to af-fect the cutoff frequency of the device most significantly, while the length of the cavity has least influence. 长方形共振腔的宽度影响元件之微波截止频率甚为显著,然而共振腔长度对元件的影响则较不明显。
- CALCULATING THE CUTOFF FREQUENCY OF HETEROMOPHIC WAVEGUIDE BY OPERATOR THEORY 用算子理论求解和计算异形波导的截止频率
- When the length of cutoff region is so long or the main frequency is so high to approach the cutoff frequency, the main frequency of wave packet is so high to exceed the cutoff frequency. 电场频谱图显示波包的频谱明显上移,而且当截止区长度足够大时,或者输入波频率趋近于截止区截止频率时,波包的峰值频率甚至超过了截止区的截止频率。
- Acoustic excitation sources, high order modes and cutoff frequencies of noise were discussed for an annular combustion chamber. 论述了燃烧室的声激励源、环形燃烧室内高阶声模态及其截止频率。
- cut-off frequency of waveguide mode 波导模式的截止频率
- The high order mode cutoff frequencies and resonant frequencies of TEM cell were analyzed using finite-element method (FEM). 采用三维有限元法分析了TEM传输室的高次模截止频率和谐振频率。
- According to the analysis of spectrum for a series of the partial discharge pulse waveforms, the author proposed that the upper cutoff frequence of a detector should not be higher than 1 MHz and the bandwidth of the detector should not he too broad. 作者根据对局部放电脉冲波形的频谱分析,提出检测器的检测频率以低于1兆赫(1 MHz)为好,频带不宜过宽。
- Effect of Train on the Cutoff Frequency of Trapezoid-Tunnel 列车对梯形隧道中电磁波截止频率的影响
- We can often correlate age with frequency of illness. 年龄的大小往往与发病率有关。
- Measurment of output power of microwave sources using cutoff characteristic of waveguide[J]. 引用该论文 陈宇;李志强;马玉中;樊玉伟;张军;舒挺;朱俊.
- A frequency of one million megahertz,10000?200Hz. 一百万兆赫(兹)频率,即10000?200赫(兹)。
- 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。
- A frequency of one million megahertz,10 ?12?Hz. 一百万兆赫(兹)频率,即10??12?赫(兹)。
- The frequency of aberration by CGH was 60%(12/20). 20例淋巴瘤患者CGH核型异常检出率为60%25。
- The frequency of the test tone was 300 Hz. 测试声为300赫。
- A frequency of one million megahertz,1012Hz. 一百万兆赫(兹)频率,即1012赫(兹)。
- Cutoff frequencies of direct current injection in EMC test 直接电流注入在电磁兼容中的频率应用范围