螺旋阻抗 的英文怎麼說

中文拼音 [luóxuánzǔkàng]
螺旋阻抗 英文
helix impedance
  • 螺 : 1. [動物學] （軟體動物） spiral shell; snail; conch 2. （螺旋形的指紋） whorl （in fingerprint）
  • 旋 : 旋Ⅰ動詞1 （旋轉） whirl 2 （用車床切削或用刀子轉著圈地削） turn sth on a lathe; lathe; pare Ⅱ名詞...
  • 阻 : 動詞（阻擋; 阻礙） block; hinder; impede; obstruct
  • 抗 : Ⅰ動詞1 （抵抗; 抵擋） resist; combat; fight 2 （拒絕; 抗拒） refuse; defy 3 （對等） contend with...
  • 螺旋 : 1 （具有螺紋的圓柱體 屬于斜面類的簡單機械） corkscrewspin; screw; spiral; helix 2 （螺旋現象;尾旋...
  • 阻抗 : [電學] impedance
  1. Based on it, a new kind of helix slow - wave structure named elliptical helix slow - wave structure used in helix traveling wave tubes has been detailedly investigated. by studying the rf characteristics of this slow - wave structure, it ’ s found that higher operation frequency and interaction impedance will be obtained by increasing the eccentricity of helix or decreasing it of the shield. meanwhile, great potential of improving system bandwidth has also been found if the eccentricity of helix or shield or the two are properly choosed

    本文對近幾十年大功率行波管的研究進展進行了簡單討論，並在此基礎上研究了一種可應用於螺旋線行波管的新型的螺旋線慢波結構，即橢圓螺旋線慢波結構，通過對該螺旋線高頻特性進行詳細分析，我們初步認為，選擇適當的螺旋線和屏蔽筒離心率，可以提高系統工作頻率，增加系統耦合阻抗，並且具有改善系統帶寬的潛力。
  2. ( c ) for the helical swallow - tailed structures with same groove width, the deep groove depth one which is suitable for the use in a interaction system of high power twts, has the largest coupling impedance and the lowest phase velocity in comparison with the other different groove profiles

    （ 3 ）具有相同槽日寬度的燕尾形螺旋槽結構在槽深度較深情況下用作大功率行波管的互作用系統具有最大的耦合阻抗和最低的相速。
  3. Hf - connection 29 66 with screw collar ring, characteristic impedance 50 ; mating dimensions

    特性阻抗歐姆的帶螺旋環的29 66射頻連接件.連接
  4. By a large amount of calculations, the influence of the structure dimensions and the dielectric parameters on dispersion characteristic and coupling impedance of this kind of slow - wave structure is obtained. then, the linear beam - wave interaction theories of the arbitrarily - shaped helical groove waveguide and the dielectric into the arbitrarily - shaped helical groove waveguide are deduced. by the numerical calculations, the relationship is got between the small signal gain, bandwidth, electromagnetic " hot " velocity and the electronic beam, the structural parameters

    通過數值計算，獲得了此類慢波結構的色散特性和耦合阻抗隨結構幾何尺寸和介質參數的變化規律;在此基礎上，建立了任意槽形螺旋槽及中心加介質棒的任意槽形螺旋槽行波管的注-波互作用線性理論，並編製程序，計算了管子的小信號增益、帶寬、電磁慢波的「熱」相速與電子注參數、結構參數之間的關系，獲得了增加帶寬或增益的途徑。
  5. The research on the rf characteristics of the conductor - centered helical groove sws. ( a ) in the " cold " system, we found that the changing of depth of the groove has no distinct effects on the phase velocity at the lower frequency region ; but with the increasing of the frequency, the phase velocity and bandwidth are reduced slightly, the structure is more dispersive and the coupling impedance is enhanced

    對具有中心導體軸的矩形螺旋槽慢波系統的高頻特性進行了理論研究： （ 1 ）在冷系統中的研究結果表明：頻率較低時，槽深的改變對相速的影響不是很大，隨著頻率的增大相速略有減小，同時帶寬也有所減小，色散變得稍強，耦合阻抗增大。
  6. The main context of this dissertation focuses on three aspects. the author simulates and optimizes the helix - slow wave structure by using the high frequency electromagnetism code cst mws, gets the results which the shape of the supports of helix impacts on the dispersion characteristic and the coupling impedance. then using ansys software, the author analyzes the thermal contact resistant will impact the thermal characteristic of the helix - slow wave structure and get the temperature of the helix slow - wave structure

    本論文主要包括以下三方面的內容:作者使用cstmws軟體對螺旋線慢波結構的夾持桿形狀進行了優化;分析了夾持桿形狀對慢波結構色散和耦合阻抗的影響，同時還分析了接觸熱阻對螺旋線慢波結構散熱性能的影響，找到了兼顧螺旋線慢波結構電特性和散熱性能的夾持桿形狀。
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