超長傳輸 的英文怎麼說
中文拼音 [chāozhǎngzhuànshū]
超長傳輸
英文
jabber- 超 : Ⅰ動詞1 (越過; 高出) exceed; surpass; overtake 2 (在某個范圍以外; 不受限制) transcend; go beyo...
- 長 : 長Ⅰ形容詞1 (年紀較大) older; elder; senior 2 (排行最大) eldest; oldest Ⅱ名詞(領導人) chief;...
- 傳 : 傳名詞1 (解釋經文的著作) commentaries on classics 2 (傳記) biography 3 (敘述歷史故事的作品)...
- 輸 : Ⅰ動詞1 (運輸; 運送) transport; convey 2 [書面語] (捐獻) contribute money; donate 3 (失敗) l...
- 超長 : overlength超長大衣 maxi; 超長費 overlength charges; 超長貨物 long goods; length goods; 超長裙 max...
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In this thesis, the author analyses the deficiency in detecting and controlling function of the computer detecting and controlling system utilized in present transforming station. the strategy of design of software on operation and direction of 5 00kv transformer station is presented. it points out that we can deduce the mathematic analytical formula using the current, voltage and power of two terminals of transmission line as input. on this basis, we do realtime calculation of 500kv transmission line ' s parameter. we can also deduce the linear analytical formula of three - winding autotransformer ' s resistence using its current, voltage and power as input. the corresponding software is programmed on this basis
論文提出以輸電線路本端和對端電流、電壓、功率作為輸入量,導出了超高壓長線的波阻抗和傳播常數的數學解析式,在此基礎上進行了500kv輸電線路實時參數計算;提出以三繞組自耦變壓器的電流、電壓、功率為輸入量,導出了自耦變壓器繞組的電阻、電抗的線性解析式並進而對變壓器的實時參數進行計算;在此基礎上編制了相應的軟體。( 4 ) finally, the ginzberg - landau equation is considered. by the ansatz method, the chirped femtosecond solitonlike solution is given, and the stability of the solutions are studied in detail by linear stability analysis with variation method. also the long - distance stability of the ultrashort pulse and the interaction between the solutions are also discussed by numerical method
( 4 )討論描述超短光脈沖傳輸的高階ginzberg - landau方程,給出該方程的啁啾類孤波解,並利用變分法解析地討論啁啾類孤波解的線性穩定性,同時研究這種類孤波解的長距離穩定性和相互作用。The propagation of ultrashort laser pulse in air is analyzed with mechanics analogy by considering kerr effects and free electron defocusing. the equation describing the evolution of the laser spot is derived. it is shown that long distance focusing requires large initial beam and the propagation distance is very sensitive to the initial divergence angle of the laser beam
考慮多光子電離效應和光學kerr效應,首次利用力學類比的方法研究了超短脈沖激光在電離氣體中的傳輸,詳細分析了傳輸距離與激光初始光斑、初始發散角以及激光功率的關系,提出了實現長距離傳輸的條件。The conditions for the long distance propagation are discussed in detail. the results are useful in determining the appropriate size of the channel to be preformed and can guide the future research in ultrashort intense laser propagation
首次利用自恰電子空腔效應分析了超短超強激光在低密度等離子體中的長距離傳輸和自聚焦效應,詳細分析了長距離傳輸的條件。The condition, under which the paraxial approximation is valid, is given. 4. starting from the rayleigh diffraction integral, the propagation equation of ultrashort pulsed beams in dispersive media has been derived without making the paraxial approximation and slowly varying envelope approximation ( svea ), which allows for relatively large angles
從瑞利衍射積分公式出發,未作慢變振幅近似和近軸近似的條件下,導出了等衍射長度超短脈沖高斯光束在色散介質中非近軸傳輸方程,可用來處理色散介質較大角度的傳輸。Ultrashort intense laser pulse propagation in low - density plasmas and air xiao yuan, doctor of philosophy, 2002 dissertation advised by : lu baida, professor of physics the study of ultrashort intense pulse laser beams in low - density plasmas and air is relevant to a wide range modern application
超短超強脈沖激光在低密度等離子體和空氣中的非線性傳輸是當今強激光與物質相互作用研究的一個重要課題。本論文闡述了超短超強激光在低密度等離子體和空氣中的長距離自聚焦和自導引效應。The laser beam spot evolution and electron density in the guiding range are evaluated with the burn pattern and the measured conductivity. the above results will be useful in ultrashort laser pulse amplification and future research in ultrashort intense laser propagation in plasmas and ionizing gases
以上研究結果對于超短脈沖激光放大技術研究以及超短超強脈沖激光在低密度等離子體和空氣中長距離傳輸和聚焦研究等具有重要的實用參考價值。The power superhighway running 2, 000 kilometers ( 1, 240 miles ) from western china to the highly industrialized coastal area in the east, will have a capacity of 6, 400 megawatts ( mw )
該超高速電力傳輸線從中國的西部延伸到工業高度發達的東部沿海地區,全長2千公里( 1240英里) ,容量將達6400兆瓦。Employing the dsp technology, we can carry out the real - time fft algorithm, which is the kernel in ofdm technology. with the developing of dsp and vlsi technology, ofdm develops rapidly and becomes a promising high - speed signal transmission technology in practical applications
隨著dsp和超大規模集成電路( vlsi )技術的發展, ofdm的應用有了長足的進步,成為極有發展前途和應用前景的高速數據傳輸技術。But when the phase - shift is beyond - / 32 or + / 32, after long distance transmission, the amplitude of the soliton pulse is descended
而當相位漂移超過/ 32時,經長距離傳輸后孤子幅度顯著下降。Zurich, switzerland, dec. 18, 2007 ? abb has won orders worth $ 440 million from the state grid corporation of china and other partners to provide new ultrahigh - voltage technology for the world ' s longest power transmission link
瑞士蘇黎世12月18日消息? ? abb從中國國家電網集團和其他合作夥伴手上贏得了價值4億4千萬美元的訂單,為全球最長的電力傳輸網提供新的超高壓技術。At the ceremony, dr the honourable sarah liao, jp, secretary for the environment, transport and works kick - started the event with five other officiating guests including mr joseph lee, bbs, jp, chairman of the ecc, mr keith kwok, jp, permanent secretary for the environment, transport and works environment, mr ho kwong - wai, jp, acting director of electrical and mechanical services, dr lam ping - yan, jp, director of health and mr lam chiu - ying, jp, director of the hong kong observatory. three new tv announcements of public interest echoing the local theme were also launched at the ceremony
環境運輸及工務局局長廖秀冬博士, jp與環保會主席李宗德先生, bbs , jp環境運輸及工務局常任秘書長環境郭家強先生, jp署理機電工程署署長何光偉先生, jp衛生署署長林秉恩醫生, jp及香港天文臺臺長林超英先生, jp為是次活動主持開展儀式,並啟播三套以清新空氣,舒適城市為主題的政府宣傳短片。Total length of optical cable had exceeded 6, 000 kilometers ; the pdh equipment had gradually been replaced by new sdh digital transmission equipment ; and there were nearly 100, 000 2 mbits transmission circuits in operation throughout the network
光纜總長度超過6000km ,發展初期的pdh設備已逐漸被新的數字傳輸設備sdh取代,全網實際開通2mbits傳輸電路數量接近100000條。It is shown that, by adopting supermirror guides with m = 2 instead of 58ni or natural ni guides, the transmission efficiency could be increased by the factor of 1. 3 ~ 1. 7, and the length of direct sight of the curved guides could be shorten greatly, which is useful for arranging shielding
研究表明,採用m = 2的超鏡導管較~ ( 58 ) ni導管或ni導管可以提高傳輸效率1 . 3 2 . 7倍,並使彎導管的直視長度變短,利於防護屏蔽安排。分享友人