曲折波 的英文怎麼說

中文拼音 [zhé]
曲折波 英文
zigzag wave
  • : 曲名詞1 (一種韻文形式) qu a type of verse for singing which emerged in the southern song and ji...
  • : 折動詞[口語]1. (翻轉) roll over; turn over 2. (倒過來倒過去) pour back and forth between two containers
  • : 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...
  • 曲折 : 1 (彎曲) circuitos; intricate; ups and downs; tortuous; winding; zigzag 2 (復雜的、不順當的情...
  1. Or again, note the meanderings of some purling rill as it babbles on its way, fanned by gentlest zephyrs tho quarrelling with the stony obstacles, to the tumbling waters of neptune s blue domain, mid mossy banks, played on by the glorious sunlight or neath the shadows cast o er its pensive bosom by the overarching leafage of the giants of the forest. what about that, simon ? he asked over the fringe of his newspaper

    「再則,請注意那打著漩渦蜿蜒地嘩嘩淌去的淚淚溪流與攔住去路的巖石搏鬥,在習習西風輕拂下,沖向海神所支配的濤洶涌的蔚藍領國;沿途,水面上蕩漾著燦爛的陽光,兩邊的堤岸爬滿青苔,森林中的巨樹那架成拱形的繁葉48 ,將蔭影投射于溪流那憂郁多思的胸脯上。
  2. Characteristics of serpentine circular groove guide slow - wave structure

    圓形槽導慢系統的高頻特性
  3. ( 2 ) the causation that the caustic phenomena of electromagnetic wave propagation in two - dimension concave reflectors occurs and the types of singularities in caustic fields are investigated, and the conclusion that there are two types of singularities ( fold and cusp ) in caustic fields in two - dimension concave reflectors is obtained ; by symplectic geometrical method, formulations of computing wave fields in and far away from caustic fields in two - dimension concave reflectors are deduced, and the results are plotted in pictures. ( 3 ) the cause of the caustic phenomena of electromagnetic wave propagation in three - dimension concave reflectors and the types of singularities in caustic fields is discussed, and the conclusion that there are three main types of singularities ( fold, cusp and swallowtail ) in caustic fields in three - dimension concave reflectors is obtained ; by symplectic geometrical method, the formulae of computing wave fields in and far away from caustic fields in three - dimension concave reflectors are deduced. particularly, the wave fields in ellipsoid concave reflector are computed, and the results displayed in special sections are given

    論文主要包括三個方面: ( 1 )分析了凹面反射的焦散現象,給出了不同凹面反射的焦散圖; ( 2 )分析了二維凹面反射動場焦散現象產生的原因及焦散區奇性的種類,得出了二維凹面反射動場焦散區奇性主要有疊( fold )和尖點( cusp )兩種的結論,利用辛幾何方法構造了圓錐面反射動場非焦散區和焦散區的通用計算公式,並給出了圓柱面、橢圓柱面及雙柱面反射的計算結果; ( 3 )分析了三維凹面反射動場焦散現象產生的原因及焦散區奇性的種類,得出了三維凹面反射動場焦散區奇性主要有疊( fom 、尖點kusp和燕尾k )三種的結論,提出了利用辛幾何方法計算三維凹面反射動場非焦散區和焦散區的計算方法,並給出了三軸不等橢球體凹面反射動場的計算結果剖面圖。
  4. The results indicate that ( a ) before heat treatment, with the increasing of substrate temperatures, content of lower valency ( tij + ) decreases, the stoichiometric proportion of o / ti in all samples is about 2 ; the films have amorphous incompact columnar fiber structure, and with the increasing of substrate temperature, the size of columnar fiber increases ; the films have good hyalescence in visible range and great absorbability at the wavelength of 350nm ; optical constants of the films are calculated from the transmittance spectrums in visible range by mathematical analysis of the orders of interference, the results show that the refractive ind

    研究結果表明, ( a )熱處理前,隨著基片溫度的增加,薄膜中的低價氧化鈦含量逐漸減少,化學計量比趨于o ti = 2 ;薄膜具有非晶態不緻密的柱狀纖維結構,柱狀纖維的尺寸隨基片溫度的升高而增加;薄膜在可見光范圍內透明,在長為35onzn時嚴重吸收,利用干涉級次法分析了薄膜的光學常數,結果表明,薄膜的射率隨基片溫度的升高而增加,根據計算結果得到了tioz薄膜在不同基片溫度下的射率色散線。
  5. From the late 1980s to the early 1990s, there occurred serious political disturbances in china, drastic changes in eastern europe and the disintegration of the soviet union. socialism in the world suffered serious setbacks. china was faced with unprecedented difficulties and pressure in its efforts to develop the socialist cause

    二十世紀八十年代末九十年代初,國內發生嚴重政治風,東歐劇變蘇聯解體,世界社會主義出現嚴重,我國社會主義事業的發展面臨空前巨大的困難和壓力。
  6. According to these accomplishments, several techniques are expounded emphatically in this paper, including 3d refraction statics, coherent noise suppression by prestack wave field separating ( prestack fx noise attenuation ), 3d prestack multiple domain random noise attenuation, multiples attenuation, nmo of unsymmetrical hyperbola, dynamic replacement of wave equation, surface - inconsistent residual static, super bin stacking, poststack depth migration and prestack depth migration. all the techniques have been applied in seismic processing of 2d, 3d and wide - line profiling and obtained good results

    本文根據項目組研究成果,重點閘述了三維靜校正技術,疊前場分離相干噪音壓制方法(疊前fx去噪) ,疊前三維多域隨機噪音衰減技術,多次衰減技術,非對稱雙線動校正技術,動方程動態替換技術,非地表一致性的剩餘時差靜校正技術,超面元迭加處理技術,疊后深度偏移處理,疊前深度偏移處理等。
  7. Inside the park are bridges over flowing streams, pavilions and towers with their shadows reflected in the water

    小橋流水,碧蕩漾,延伸;亭臺樓閣,參差高下,倒影入池。
  8. Viewed from the pagoda of buddhist incense, west causeway, which was constructed in imitation of su causeway on the west lake, looks like a green ribbon winding from south to north on the green and rippling kunming lake

    登上佛香閣,憑欄縱目,碧蕩漾的昆明湖上,仿杭州西湖蘇堤建造的西堤,猶如一條綠色的飄帶,蜿蜒,縱貫南北。
  9. Due to its advantages of high power capacity, weak dispersion, easier fabrication and low ohmic losses, the folded rectangular groove guide would be an excellent slow - wave structure in millimeter and submillimeter wave twts

    矩形槽導結合了曲折波導散熱能力強、色散特性好、容易加工和矩形槽導單模工作、低損耗、大尺寸等優點,因此這種新型的慢系統有可能在毫米及亞毫米段的行管中具有較好的發展前景。
  10. In this situation, folded groove guide sws is proposed and studied in this dissertation. 2

    二、分別介紹了曲折波導慢結構和槽導傳輸線的研究方法和理論進展。
  11. In this paper, a novel folded groove waveguide slow - wave structure is proposed with the foundation of folded waveguide and grooved guide. high frequency characteristics of such sws are also analyzed in this paper. the main works are listed as follows : 1

    本論文以曲折波導慢系統和槽導傳輸線為基礎,綜合二者的優點和目前曲折波導在thz輻射振蕩器中遇到的問題,提出一種新型的導慢系統的概念,並對這種新型慢結構的高頻特性進行了詳細的研究。
  12. The dispersion characteristics and interaction impedance of the groove guide sws are analyzed theoretically in detail. by use of matlab, numerical programs are compiled to get dispersion curves and impedance diagrams. the influence of geometrical dimensions on the dispersion characteristics and interaction impedance are discussed

    三、對導慢結構的色散特性和耦合阻抗進行了詳細的研究,色散方程的獲得是依照曲折波導慢系統的分析方法,但耦合阻抗的計算公式是嚴格按照場論的方法得到的。
  13. 4. as an assistant analysis, cst microwave studio is applied to simulate dispersion characteristics and interaction impedance of rectangular groove guide. simulation show better agreement with theoretical results

    四、作為一種輔助的分析方法,本文還利用cstmicrowavestudio對矩形槽導慢系統的高頻特性做了模擬模擬,得到了色散線和耦合阻抗,與理論結果符合很好。
  14. In the paper it makes focal points of the zig - zag transformer " influences on the harmonics of line side and pulse shifting control influence on the harmonic of motor side. the theoretical computation and computer simulation waveforms are presented

    重點分析了變壓器接法和移相多重化整流對網側諧的影響及移相pwm控制方式對減少輸出側諧的作用,並給出理論計算結果和計算機模擬形。
  15. The smolensk high - road ran winding through that amphitheatre, intersecting it towards the left at the top, and passing through a village with a white church, which lay some five hundred paces before and below the knoll. this was borodino

    斯摩棱斯克大路從左上方穿過圓形劇場,經過一座坐落在土崗前下方五百來步有白色教堂的村子這村子就是羅底諾蜿蜒地延伸著。
  16. As a result of employing multilevel phase - shifted method with zig zag connection in transformer secondary, in the primary the current harmonics their orders are lower than 6m 1 are eliminated ( m is the number of power cell each phase ). in the inverter side because of using pulse shifting pwm control, the equivalent switch frequency of output is m times as high as one h - bridge, so the output voltage waveform of the inverter is near sine with less harmonics

    對于整流電路,由於採用變壓器移相多重化整流,在理論上可以實現變壓器一次繞組中低於6m 1次諧電流相互抵消( m為串聯單元個數) ;對于逆變電路,由於採用移相pwm控制方式,等效開關頻率提高m倍,因此輸出電壓接近正弦,諧含量較小。
  17. An intriguing twist to the apophis tale shows why

    從阿菲斯那引人入勝的故事里可以一探究竟。
  18. Texture tortuous climax, it is calm waters of the lake microwave gives a romantic leisure enjoyment

    紋理,似風平浪靜的湖面微蕩漾,給人一種浪漫休閑的享受。
  19. You know, everybody is naturally curious about. . babies ! even babies are intrigued by other.

    總之整個執歷險過程又鬼馬,妙趣無窮,教人喝采!
  20. Po starts courting yan and goes on to seek to kill fan and man. will the buddies manage to extricate themselves from danger in the end

    一方面對欣展開追求,一方面要殺害凡與文,故事發展,出人意表。
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