波包群 的英文怎麼說

中文拼音 [bāoqún]
波包群 英文
group of wave packets
  • : 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...
  • : Ⅰ名詞(聚在一起的人或物) crowd; group Ⅱ量詞(用於成群的人或物) group; herd; flock
  1. The various colours significant of various degrees of vitality white, yellow, crimson, vermilion, cinnabar : their degrees of brilliancy : their magnitudes revealed up to and including the 7th : their positions : the waggoner s star : walsingham way : the chariot of david : the annular cinctures of saturn : the condensation of spiral nebulae into suns : the interdependent gyrations of double suns : the independent synchronous discoveries of galileo, simon marius, piazzi, le verrier, herschel, galle : the systematisations attempted by bode and kepler of cubes of distances and squares of times of revolution : the almost infinite compressibility of hirsute comets and their vast elliptical egressive and reentrant orbits from perihelion to aphelion : the sidereal origin of meteoric stones : the libyan floods on mars about the period of the birth of the younger astroscopist : the annual recurrence of meteoric showers about the period of the feast of s. lawrence martyr, 10 august : the monthly recurrence known as the new moon with the old moon in her arms : the posited influence of celestial on human bodies : the appearance of a star 1st magnitude of exceeding brilliancy dominating by night and day a new luminous sun generated by the collision and amalgamation in incandescence of two nonluminous exsuns about the period of the birth of william shakespeare over delta in the recumbent neversetting constellation of cassiopeia and of a star 2nd magnitude of similar origin but lesser brilliancy which had appeared in and disappeared from the constellation of the corona septentrionalis about the period of the birth of leopold bloom and of other stars of presumably similar origin which had effectively or presumably appeared in and disappeared from the constellation of andromeda about the period of the birth of stephen dedalus, and in and from the constellation of auriga some years after the birth and death of rudolph bloom, junior, and in and from other constellations some years before or after the birth or death of other persons : the attendant phenomena of eclipses, solar and lunar, from immersion to emersion, abatement of wind, transit of shadow, taciturnity of winged creatures, emergence of nocturnal or crepuscular animals, persistence of infernal light, obscurity of terrestrial waters, pallor of human beings

    顯示出不同程度之生命力的繽紛色彩白淺黃深紅朱紅銀朱諸星之亮度一直括到七等星以等級標志的諸星之大小諸星的位置御夫座沃爾辛厄姆路172大衛的戰車173土星光環螺旋星雲凝固后形成有衛星的恆星兩重大陽相互依存的旋轉運動伽利略西蒙馬里烏斯174皮亞175勒威耶赫歇耳加勒176等人各自獨立地同時所做的發現得和開普勒所嘗試的距離的立方與回轉次數的平方的體系化177多毛的眾彗星178那幾殆無限的被壓縮性,以及自近日點至遠日點那廣漠的遠心的重返大氣層的橢圓軌道隕石的恆星之起源年紀較輕的天體觀測者誕生的那個時期火星上所出現的「暗」現象179每年在聖勞倫斯節殉教者,八月十日前後降落的隕石雨每月都發生的所謂「新月抱舊月」現象180關于天體對人體的影響的假定威廉莎士比亞出生的時期,在斜倚卻永不沒落的仙后座那三角形上端,一顆不分晝夜散發著極亮光彩的星辰一等星出現了181這是兩個無光死滅了的太陽因相撞並汞合為白熱體而形成的燦爛的新太陽大約在利奧德布盧姆出生時,出現在七星花冠星座里而後又消失了的一顆同一起源亮度卻稍遜的星宿二等星182還有約於斯蒂芬迪達勒斯出生時,出現在仙女座中之後又消失,小魯道爾夫布盧姆出生與夭折數年後出現于御夫座后又消失,以及另外一些人出生或去世前前後後出現在許許多多其他星座中而又消失了的假定是同一起源的實際存在或假定存在的星斗183 。
  2. In this context one speaks of pulses as wave packets or wave groups.

    在這個意義下,我們把這樣的脈沖叫做
  3. It is composed of three mian protocols : call synchronization protocol, control frame transmission protocol based on arq mechanism and data transmisstion protocol based on slot precontract mechanism. one scan channel table is shared in the hfmanet. the nodes in the same dwell group work in the same scan channel, and the nodes in the different dwell group work in the different scan channel

    該協議的網路拓撲結構採用分散式分結構,協議不同於傳統的短點到點及需要中心節點轉發的組網方式,而是初步實現了短電臺之間多跳組網功能,其協議內容主要括同步呼叫協議、基於arq的控制幀傳輸協議和基於虛電路及時隙預約方式的數據幀傳輸協議。
  4. In 1998, fires affected 2, 5 million hectares of forests, including key areas for the siberian tiger population

    1998年,被火災及的林地總面積達250萬公頃,其中括西伯利亞虎種的主要棲息地。
  5. The new zealand sub - antarctic islands consist of five island groups ( the snares, bounty islands, antipodes islands, auckland islands and campbell island ) in the southern ocean south - east of new zealand

    紐西蘭次南極區括了紐西蘭南部和東南部海域的五個島嶼(斯內斯島,邦提島,安提德斯島,奧克蘭島以及坎貝爾島) 。
  6. The actual wave is formed by wave packets or groups confined between the amplitude curves.

    實際的就是由限制在振幅曲線中的一些組成的。
  7. Calculations indicate that the carrier phase takes effect till the time width of the pulse envelope becomes smaller than the period of the carrier oscillation, and the interpretation of this phenomenon is also presented. it is the difference between phase delay and group delay that causes the sliding between the carrier and the envelope

    數值分析的結果表明,當脈寬小於光周期時,相位的作用開始顯現出來,當脈寬比光周期長時,載相位的作用可以忽略,並分析了相位起作用的原因,用解析的方法說明正是相延遲和延遲之間的差別造成了光載在脈沖絡下的滑動。
  8. At the end of the day of borodino, pierre ran for a second time from raevskys battery, and with crowds of soldiers crossed the ravine on the way to knyazkovo. there he reached an ambulance tent, and seeing blood and hearing screams and groans, he hurried on, caught up in a mob of soldiers

    還在羅底諾戰役的尾聲,皮埃爾便又一次逃離拉耶夫斯基的炮壘,同一士兵沿河谷向克尼亞濟科沃村走去走到紮站,看見血跡,聽到叫喊和呻吟,便又混在士兵堆中匆忙繼續趕路。
  9. But both researchers and practitioners have long neglected to realize that not only do potential entrants to an industry select it from among other strategic choices, but also those same firms, which have been successful in other industries, move between strategic groups in accordance with changes in the environment in consideration of this, and following caves and porter ' s argument, the author generalized and expanded the concept of entry barriers to include the move between different strategic groups

    企業的進入退出問題一直是產業組織理論研究的中心內容,但是,長期以來,無論是研究人員還是實業界人士都忽略了一點,那就是:企業進入某一產業的關鍵是對產業內不同策略組的選擇問題,而且,已經成功進入的企業還會隨著外部環境的變化而在不同策略組間進行流動。鑒於此,作者沿用凱夫斯和特的觀點,將進入壁壘的既念進行一般化處理,把進入范圍擴大到括不同策略組間的流動。
  10. It first introduces the mpeg - 2 standard and the grammar structure of the ts. then it describes the principle of synchronization and multiplexing in digital communication. the synchronization comprises the carrier synchronization, bit synchronization, group synchronization and network synchronization while the multiplexing includes bit multiplexing, word multiplexing and frame multiplexing

    本文首先介紹了mpeg _ 2標準及其mpeg _ 2傳輸流語法結構,接著闡述了數字通信中的同步和復接理論,同步括載同步、位同步、同步和網同步,復接括按位復接、按字復接、按幀復接。
  11. In this paper, first, the study of the distribution of electromagnetic field, energy, power, reflection coefficient and transmission coefficient in waveguide with piecewise different dielectric constants are studied. then, the behavior of propagation of am signal and gauss pulse signal through the waveguide are simulated by magic code , and the plots of electromagnetic field, energy, ponyting vector and their spectrums at different time and different position are obtained. and, the group velocity and energy velocity of wave packet through barrier are calculated

    從90年代開始, emig和martin 、 landauer等人研究了分段填充不同介質的導中的電磁脈沖的傳播。在本論文中,作者首先推導出分段填充不同介質的導中的電磁場分佈、能量、傳輸功率以及反射系數和傳輸系數的表達式,然後,採用magic程序模擬了這種導結構中電磁的傳播情況,得到了在不同時刻和不同位置處的電磁場分布圖、能量圖、坡印廷矢量圖以及它們的頻譜圖,並由模擬結果計算了穿越勢壘的速和能量速度。
  12. Firstly, the differences between a qpsk system and a tcm - 8psk system, and the difficulties in the latter ’ s realization are considered in detail, including the frequency band utility, the group delay effects, the filters ’ implementation, the base band processing and some key technologies

    首先考慮了tcm - 8psk系統與傳統的qpsk系統的不同,以及在實際工程中會遇到的一些困難。括從整個系統方面考慮的帶寬利用率問題、延遲問題、濾器問題和基帶處理等問題,以及實現這樣一個系統的幾種關鍵技術。
  13. In chapter two, we first give the condition of generalized wavelets on l2 ( x ) by using the gelfand transform, where x = r + r denotes the underlying manifold of square integrable polyradial functions on the heisenberg group hn. then, we establish the theory of generalized wavelet transform and generalized wavelet packet transform on it

    在第二章中,我們利用gelfand變換刻畫了海森堡h _ n上平方可積柱徑向函數空間的基礎流形laguerre超x = r _ + ~ n r上的廣義小,討論了該超上的廣義小變換與廣義小變換
  14. Toomany to list, and many that would be nearly impossible to describe withwords, but a few include : explosions, fire, smoke, fog, waterfalls, sparks, sparkles, fireworks, rain, snow, puddle splashes, motiongraphics backgrounds, magic effects, space warps, abstract lights, lava, flocks of birds, geometric shapes, aurora, bubbles, waves, rainbows, light beams - - dozens of different types, and hundreds ofvariations

    太多的名單,許多人表示,將幾乎無法描述文字,但有幾個國家括:爆炸,火,煙,霧,瀑布,火花,火花,煙花爆竹,雨,雪,頂燈開復,運動圖形背景,魔術的影響,空間扭曲,抽象燈,熔巖,成的鳥,幾何形狀,極光,泡,浪,彩虹,光束-幾十種不同類型,數百變化。
  15. When the pulse width of input gaussian wave packet was reduced and the length of forbidden region retained, the result displayed the output signal distorted seriously and its spectrum changed very hard. a frequency above the cut - off frequency became the main frequency and the group velocity was below than c

    在保持截止區長度不變,而減小輸入高斯的脈沖寬度時,模擬顯示輸出形嚴重失真,而且,頻譜也發生很大的變化,主頻已變為一高於截止頻率的頻率,速度小於光速c 。
  16. The followings were discovered in the simulations of undersized waveguide : when the pulse width of input signal, a gaussian packet, is rather wide, the output signal distorted little. a superluminal group velocity 3. 21c was revealed when the wave packet crossing 50mm forbidden region

    對凹陷導( undersizedwaveguide )的模擬發現:輸入脈沖寬度較大的高斯,模擬結果顯示輸出形失真較小,經過計算得到電磁穿過長50mm的截止區時,電場的幅度衰減了- 41 . 5db ,速度為3 . 21c 。
  17. < uk > the actual wave is formed by wave packets or groups confined between the amplitude curves. < / uk >

    < uk >實際的就是由限制在振幅曲線中的一些組成的。 < / uk >
  18. In the movie, shrek ' s quiet life in the swamp is interrupted by the arrival of a 1 ) band of fairy - tale characters, including blind mice, three little pigs, and a big, bad wolf

    影中,史瑞克在沼澤里的平靜生活因為一童話故事角色出現而起了瀾,括瞎老鼠、三隻小豬和大野狼。
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