慢波螺線 的英文怎麼說
中文拼音 [mànbōluóxiàn]
慢波螺線
英文
delay-line helix- 慢 : Ⅰ形容詞1. (速度低; 走路、做事等費的時間長) slow 2. (態度冷淡, 沒有禮貌) supercilious; rude Ⅱ動詞(從緩) postpone; defer
- 波 : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
- 螺 : 1. [動物學] (軟體動物) spiral shell; snail; conch 2. (螺旋形的指紋) whorl (in fingerprint)
- 線 : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
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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。Tape helix model of helical slow - wave structures with vane - loaded
翼片加載螺旋線慢波結構的螺旋帶模型Study of helix slow wave structure taking the radial thickness into account
考慮螺旋帶徑向厚度的螺旋線慢波系統的研究The cold model of helical traveling wave tube ( twt ) and the hot model of beam - wave interaction have been developed, based on three - dimensional twt - cad technology, to analytically, to analytically evaluate influence of small variations in helical slow - wave circuit parameters, within or without the manufacturing tolerances, on cold - hot characteristics of the helical twt
摘要藉助於行波管cad技術的發展,建立了螺旋線行波管三維電磁冷模型和注波互作用大信號模型,就螺旋慢波電路參數在公差范圍內外做細微變化時,所帶來行波管冷熱特性的影響進行了全面研究和討論,得出了一些有用結論。This paper presents the study on assembly method, material and structure of the dielectric for improving the heat dissipating performance of slow - wave structures of the helix twt
摘要綜合敘述了目前人們為提高螺旋線行波管慢波組件的散熱性能而在裝配方法、組件材料以及夾持桿的結構這三方面所進行的研究。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。Simulation of cctwt slow - wave circuits cold - test parameters using mafia program
軟體的螺旋線慢波結構冷特性模擬Effect of pressed helix in helical slow - wave structure on twt cold - test characteristics
螺旋線徑向擠壓變形對其慢波結構冷測特性的影響In this dissertation, each of the twt component building blocks, such as the electronic gun, slow - wave structure and the collector, is presented. the thermal theories and the thermal conduction ways of each subsystem are discussed. the author presents some advice on the fast working of twt, the optimization of helix - slow wave structure, and how to minimize the collector
本文論述了小型化行波管電子槍、慢波結構和收集極等部分產生熱的機理以及熱傳導過程,針對小型化行波管的啟動速度、改善和優化螺旋線慢波結構以及縮小收集極體積等方面的提出了改進建議與設計。In this paper a newly develoed helical coordinates is used to make out the solution of electromagnetic fields in the helix gap and calculate dispersion characteristics of tape helix slow wave structure for the first time. strict boundary conditions for magnetic fields are adopted and are treated rigorously by fourier expansion. besides, the radial propagation constant of every layer in the dielectric - loaded region is differentiated. some of practical tape helix slow wave structures have been calculated for dispersion characteristics and the calculated values accord with measured values very well. the authors also compare the calculated results with experiments for different structures by changing tape thickness or other structure parameters and find that the theory in the paper is universal
本文首次運用螺旋坐標系給出了帶狀螺旋線縫隙內的電磁場解,並據此計算了帶狀螺旋慢波結構的色散特性.文中採用了嚴格的邊界條件,並以傅立葉展開進行了嚴格的數學處理.另外還首次對有介質區域內各層的徑向傳輸系數作了區別.本文使用這種方法計算了我們已研製的一些寬帶高功率行波管所用的慢波線結構的色散特性,理論與實驗符合得很好.我們還計算了不同結構參數對色散特性的影響,並與實驗作了對照,發現本文的理論有一定的普適性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。分享友人