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- The effect of the cutoff frequency on the train's height,width and lo... 並通過計算結果分析了礦井中列車的位置、高度和寬度對截止頻率的影響。
- 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. 波導單模工作的帶寬由E(y)1和E(y)2模式的低端截止頻率決定.
- The filter has advantages of compact size,easy fabrication and sharp cutoff frequency response,and is useful for many microwave system applications. 這種濾波器尺寸小,易製造,且具有陡峭的截止頻率響應特性,可應用於許多微波系統中。
- Increasing the effective inductance makes it easy to control the cutoff frequency characteristics of the DGS planar circuits. 增加的等效電感可以容易控制DGS平面電路的截止頻率特性。
- The loaded capacitor』s distance was decreased to increase the upper limit of PFN』s cutoff frequency and to decrease the impedance dispersion. 採用損耗線模型分析了串聯PFN的端部反射係數,研究了減小反射係數的方法;
- It calculates directional stress using surface-wave directional spectra by parameterizing 「spectral tails」 (frequency >cutoff frequency) unresolved by the wave models. 此參數法可以藉由參數化波模式所無法解析的波譜尾並利用地面波直接波譜來計算直接應力。
- 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. 長方形共振腔的寬度影響元件之微波截止頻率甚為顯著,然而共振腔長度對元件的影響則較不明顯。
- They also understood that as the sunspot numbers increased during the eleven-year solar cycle, the critical cutoff frequency for long distance transmission also increased. 他們並且了解當黑點數字增加了在11年的太陽周期期間,重要截止頻率為長途傳輸並且增加了。
- 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. 為求解矩形正脊波導的截止頻率問題,把求解礦井隧道中存在列車時的電磁波傳播特性問題歸結為求解矩形正脊波導截止頻率的問題。
- 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. 電場頻譜圖顯示波包的頻譜明顯上移,而且當截止區長度足夠大時,或者輸入波頻率趨近於截止區截止頻率時,波包的峰值頻率甚至超過了截止區的截止頻率。
- 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. 把礦井隧道看作波導,利用有限元法分析了隧道中的罐籠對電磁波截止頻率的影響,並得到數值結果。
- Acoustic excitation sources, high order modes and cutoff frequencies of noise were discussed for an annular combustion chamber. 論述了燃燒室的聲激勵源、環形燃燒室內高階聲模態及其截止頻率。
- The high order mode cutoff frequencies and resonant frequencies of TEM cell were analyzed using finite-element method (FEM). 採用三維有限元法分析了TEM傳輸室的高次模截止頻率和諧振頻率。
- High Pass Filter Cutoff Frequency 高通濾波器截止頻率
- Attenuate band above cutoff frequency 衰減截止頻率以上的波段
- Attenuate band below cutoff frequency 衰減截止頻率以下的波段
- 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. 作者根據對局部放電脈衝波形的頻譜分析,提出檢測器的檢測頻率以低於1兆赫(1 MHz)為好,頻帶不宜過寬。
- diode cutoff region 二極體截止區
- Effect of Train on the Cutoff Frequency of Trapezoid-Tunnel 列車對梯形隧道中電磁波截止頻率的影響
- A diode rectifies alternating current. 二極體調整交流電。