振蕩范圍 的英文怎麼說

中文拼音 [zhèndàngfànwéi]
振蕩范圍 英文
hunting range
  • : 動詞1. (搖動; 揮動) shake; flap; wield 2. (奮起) brace up; rise with force and spirit
  • : Ⅰ動詞1 (搖動; 擺動) swing; sway; wave 2 (無事走來走去; 閑逛) loaf; wander; roam; loiter; go a...
  • : 名詞1 [書面語] (模子) pattern; mould; matrix 2 (模範; 榜樣) model; example 3 (范圍) boundar...
  • : Ⅰ動詞1 (四周攔擋起來 使裡外不通; 環繞) enclose; surround; corral 2 (繞; 裹) wrap Ⅱ名詞1 (四...
  • 范圍 : scope; limits; extent; boundary; confines; range; range dimension; spectrum
  1. At. detail specification for cold welded seal quartz crystal units for oscillator applications - dk enclosure, 6. 0 to 25 mhz frequency range - fundamental thickness - shear mode, at - cut, for operation over wide temperature ranges non - temperature controlled - full assessment level

    器用冷焊密封石英晶體子詳細規. dp外殼6 . 0至25mhz頻率.寬溫
  2. At. detail specification for cold welded seal quartz crystal units for oscillator applications - dn, dq and dp enclosures, 17 to 75 mhz frequency range - third overtone thickness - shear mode, at - cut, for operation over narrow temperature ranges temperature controlled - full assessment level

    器用冷焊密封石英晶體子詳細規. dn dq和dp外殼17至75mhz頻率.窄溫
  3. At. detail specification for cold welded seal quartz crystal units for oscillator applications - dn, dq and dp enclosures, 50 to 125 mhz frequency range - fifth overtone thickness - shear mode, at - cut, for operation over wide temperature ranges non - temperature controlled - full assessment level

    器用冷焊密封石英晶體子詳細規. dn dq和dp外殼50至125mhz頻率規.寬溫
  4. At. detail specification for cold welded seal quartz crystal units for oscillator applications - dn, dq and dp enclosures, 50 to 125 mhz frequency range - fifth overtone thickness - shear mode, at - cut, for operation over narrow temperature ranges temperature controlled - full assessment level

    經質量評定的器用冷焊封石英晶體子詳細規. dn dq和dp外殼, 50至125mhz頻率規.窄溫
  5. At. detail specification for cold welded seal quartz crystal units for oscillator applications - dn, 47 u 2, dq and dp enclosures, 17 to 75 mhz frequency range - third overtone thickness - shear mode, at - cut, for operation over wide temperature ranges non - temperature controlled - full assessment level

    器用冷焊密封石英晶體子詳細規. dn 47u 2 dq和dp外殼17至75mhz頻率.寬溫
  6. At. detail specification for cold welded seal quartz crystal units for oscillator applications - dn, dq and dp enclosures, 0. 8 to 20 mhz and 3. 0 to 30 mhz frequency ranges - fundamental thickness - shear mode, at - cut, for operation over narrow temperature ranges temperature controlled - full assessment level

    器用冷焊密封石英晶體子詳細規. dn dq和dp外殼0 . 8至20mhz和3 . 0到30mhz頻率.窄溫
  7. It is transparent in a region from the visible to the infrared range ( 0. 45 - 13 ? m ) and has a fitful birefringence and a large nonlinear coefficient. aggas2 crystal can be made to be octonary device, difference - frequence device and parametric oscillator, and laser sources of different frequences in 1. 8 - 11 ? m band can be provided

    其紅外透波寬( 0 . 45 - 13 m ) ,具有適宜的雙折射率和大的非線性系數,可製成倍頻、差頻和光參量器件,在1 . 8 - 11 m內可提供多種頻率的激光光源。
  8. Torsional interaction exists between hvdc converters and turbine - generators, and negative electrical damping provided by hvdc may cause subsynchronous oscillation ( sso ) that can lead to turbine - generator shaft failure and electrical instability at oscillation frequencies lower than the fundamental system frequency

    高壓直流輸電( high - voltage - direct - current - - - - hvdc )系統與臨近同步發電機組之間存在著扭相互作用, hvdc的電氣負阻尼作用有可能引起機組在次同步頻率的扭轉
  9. On account of the low q - factor and small tuning range of the p - n junction varactor, the inversion - mode mos varactor is used in the lc voltage controlled oscillator in this thesis. the simulation results show that the designed lc voltage controlled oscillator has 15 % tuning range

    3 .由於lc壓控器中的pn結變容管品質因數低、調諧小,本次設計的lc壓控器採用了強反型mos變容管,模擬結果表明,所設計的lc壓控器具有15 %調諧
  10. According to the guidline, two nd : yag lasers have been designed and set up, one is end - pumped by lower output power ld using a selfoc micro lens, and the other is end - pumped by high output power ld using a pair of lenses are designed, and the characteristics such as output power and power stabilization of both solid - state lasers are investigated. thirdly, when an empty liquid crystal cell is inserted in the cavity of the nd : yag laser pumped by high power ld, the laser can operates in single axial mode. finally, according to the relationship between the laser output power and the longnitudinal a ld - end - pumped nd : yag laser sensor for displacement measurement has been investigated theoretically and demonstrated experimently, the results indicate that when the mean radius of pumping inside the laser cavity is far less than that of the oscilating laser mode, the exponential of the output power is a gauss function of the longitudinal positon of focused spot of ld pumping beam, both the measurement range and the sensitivity are dependent on the incident pumping power, as the incident pumping power is increased, the measurement range is enlarged and the sensitivity is improve d

    本文首先介紹了ld泵浦nd : yag激光器的發展狀況、主要特性及其應用,從四能級速率方程出發,推導了ld泵浦nd : yag激光器的閾值、輸出功率和斜效率的表達式,並簡述了激光器的工作原理、結構型式和倍頻方法;其次,以空間相關的速率方程為基礎,提出了ld端面泵浦nd : yag激光器的設計方法,給出了一定泵浦耦合方式下,光模尺寸、最佳輸出耦合率、泵浦光模尺寸、泵浦光焦斑位置等參數的選取依據,以此為依據,設計了自聚焦透鏡耦合小功率ld泵浦nd : yag激光器和透鏡組耦合高功率ld泵浦nd : yag激光器,對激光器的輸出功率和功率穩定性等特性進行了實驗研究;再次,在帶尾纖輸出的高功率ld泵浦nd : yag激光腔內插入一隻空液晶盒,觀察到了激光器以單縱模運轉;最後,根據泵浦光焦斑端面位置對激光輸出功率的影響規律,提出了ld端面泵浦nd : yag激光位移傳感新方法,並進行了理論和實驗研究,研究結果表明:當激光晶體內泵浦光平均光斑半徑遠小於西安理工大學碩士學位論文光束腰半徑時,激光輸出功率的自然指數與泵浦光焦斑的縱向位置成高斯變化規律,測量和靈敏度依賴于泵浦功率,隨著泵浦功率的增加,測量擴大,靈敏度提高,當端面泵浦功率為7 . 24w (最大輸出功率為1 . 926w )時,激光位移傳感器的測量和靈敏度分別是13 . 045mm和0 . 148mw / pm 。
  11. This isi series oscillation has following characters : ( 1 ) long term cycle duration, whose duration of most oscillations ranged from 3 0 - 120ms, so we called it slow wave oscillation ; ( 2 ) large amplitude of oscillation, the minimum isi is about 2ms while the maximum is beyond 40ms, which suggested that the firing frequency vary from several tens to hundred hz ; ( 3 ) abrupt turn always occurs during the continuous change in isi, this turn is called inflexion temporarily

    波有下述特徵: ( 1 )周期較長,多數在30 ? 120s,故稱慢波; ( 2 )幅度較大,其isi最小值在zms左右,最大值可達40ms ,表明放電頻率可在幾十到幾百k內變動; ( 3 )在isi連續變化過程中往往出現突然轉折,暫稱其為拐點。
  12. Other subordinate components such as high - frequency oscillation in the actual wind stress data weaken the intention of el nino / la nina events

    同時說明在原始資料中的高頻等其它次要成分起到了削弱elnino lanina事件強度和的作用。
  13. Eurostag is a large simulation analysis software package used in power system developed by the edf and tractebel of belgium. the most prominent point of this software is that it covers the full range of the phenomena, from transient to long - term stability. that is to say that the time of simulation lasts from the electromechanical oscillations to the daily load evolution

    Eurostag是法國電力公司( edf )與比利時tractebel共同開發的大型電力系統模擬分析軟體,它最突出的特點就是可以對系統進行全時間內的模擬,具體的說就是模擬時間可以從系統機電開始直至一天內負荷的變化,這是目前我們國內所使用的其它系統模擬軟體所不具備的。
  14. Continuous - wave optical parametric oscillators ( cw opos ) are an attractive source of coherent radiation in applications for which laser sources are unavailable or for which wide tunablity is needed, cw opos have remarkable features of operating with narrow linewidth and broad tunablity

    連續波光學參量器( cwopos )可以用來拓寬激光的波長,有較寬的調諧區域,是一種理想的產生相干輻射的裝置。由於它的窄線寬和寬調諧的輸出特性,也被用於光譜學、相干光通訊、量子光學等領域。
  15. Space - time wave has a far greater and wider significance than particle wave vibration. no matter what mechanical vibration, electromagnetic surge or vocal wave, they are all manifestation of space - time vibration or a certain wave in special scope, all of which are general phenomena in nature of both macrocosm and microcosm, and can be expressed by stwf

    時空波動比粒子動或波動有更廣泛深刻的含義,凡有空間有物質存在的地方都存在著時空波動,無論是機械動電磁聲音動等均是時空波動的某種表現形式,或是在某個特定時空的波動,這種自然界的普遍現象在宏觀或微觀世界都可用時空波函數表達出來。
  16. At. detail specification for resistance welded seal quartz crystal units for oscillator applications - dn, dz, dq and dp enclosures, 17 to 75 mhz frequency range - third overtone thickness - shear mode, at - cut, for operation over narrow temperature ranges temperature controlled - full assessment level

    器用冷焊密封石英晶體子詳細規. dn d2 dq和dp外殼17至75mhz頻率.窄溫
  17. At. detail specification for resistance welded seal quartz crystal units for oscillator applications - dn, dz, dq and dp enclosures, 50 to 125 mhz frequency range - fifth overtone thickness - shear mode, at - cut, for operation over narrow temperature ranges temperature controlled - full assessment level

    器用冷焊密封石英晶體子詳細規. dn d2 dq和dp外殼50至125mhz頻率.窄溫
  18. In chapter 3, we studied the effect of gaussian transverse profile for the driving and laser fields on lasing without population inversion ( lwi ) in a closed v - type system and an open v - type system. moreover, we discussed also the effect of the unsaturated gain coefficient, the cavity - damping rate, the ratio of the atomic injection rates and atomic exit rate on the corresponding systems. in chapter 4, we mainly discussed the effect of doppler broadening on the gain, dispersion and the frequency up - conversion of the open v - type lwi system and compared the differences and the same between the open system and the corresponding closed system

    發現: ( 1 )在考慮doppler展寬的情況下,通過選取合適的實驗室條件(比如合適的原子環境溫度等)可得到合適doppler展寬值,從而使系統獲得最佳增益; ( 2 )要想實現系統的頻率上轉換,同時又要獲得足夠強的無反轉激光增益,則系統頻率轉換比不能選取的太大; ( 3 )對于開放系統,比較小的粒子注入速率比與退出速率對產生無反轉激光是有利碩士學位論文摘要的: ( 4 )由於dopp1oy展寬的存在,當探測場與驅動場的傳播方向相反時,增益在探測場失諧的某一段區域產生,且幅、頻率失諧的大小與dopper展寬的取值有關。
  19. Long scale oscillations in the meridional wind stress rebuild by pop analysis make the intention of el nino / la nina events deeply too. however, the change is slender and the range is adjacent with true position. we also draw a conclusion that the zonal wind stress is more important than the meridional wind stress in creating el nino / la nina evolution

    保留在重建的經向風應力中的大尺度成分也起到加強了elnino lanina事件的強度的作用,但強度比緯向風應力模擬的弱,與觀測風應力模擬的強度相差不大,在空間上與觀測風應力模擬的基本一致。
  20. Numerical studies suggest that long scale and slow - changed oscillations in the zonal wind stress rebuild by pop anal ysis make the intention of el nino / la nina events deeply. it also enlarges their range. but, positive and negative anomaly center is toward west than actual conditions

    數值試驗的結果表明,由pop重建的緯向風應力中緩慢變化的大尺度成分加深了elnino lanina事件的強度,加大了它們的空間分佈,但正負距平中心的位置比觀測風應力模擬的情況偏西。
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