振蕩的周期 的英文怎麼說

中文拼音 [zhèndàngdezhōuqī]
振蕩的周期 英文
period of oscillation
  • 振 : 動詞1. （搖動; 揮動） shake; flap; wield 2. （奮起） brace up; rise with force and spirit
  • 蕩 : 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...
  • 的 : 4次方是 The fourth power of 2 is direction
  • 周 : Ⅰ名詞1 （圈子; 周圍） circumference; periphery; circuit 2 （星期） week 3 [電學] （周波的簡稱） c...
  • 期 : 期名詞[書面語]1. （一周年） a full year; anniversary 2. （一整月） a full month
  1. During flood years, the center of negative anomaly is around ural mountains, the center of positive anomaly is around high - latitude of east asia and another negative and positive center are over okhotsk sea and the north - west pacific, respectively

    通過對夏季旱澇等級指數的morlet型和mexicanhat型小波變換分析，發現山東夏季旱澇指數主要存在著2 5年和7年左右的周期振蕩。
  2. Still the spectrogram, in which there was exactly equal value between every frequency component, manifested the property of periodical oscillation

    頻率譜中各諧頻之間具有嚴格相等的差頻，表現出周期性振蕩的特性。
  3. It has been shown that : with the increase of the kerr medium intensity parameter u, the rabi oscillation extent of the mean photon number decrease and the rabi oscillation frequency becomes rapid, the antibunching effect becomes strengthened ; with the increase of n, the interaction between the field and atoms gradually becomes weak, however, the interaction between the field and the kerr medium gradually becomes strengthened and happen in advance ; with the increase of the coupling constants of two atoms, the rabi oscillation extent of the mean photon number decrease and the rabi oscillation frequency becomes rapid too, the antibunching effect becomes weak

    結果表明：隨著值的增加，光子統計演化曲線的rabi振蕩的幅度減小，振蕩頻率變快，系統的反聚束效應增強；隨著初始場強（ ? ）的增大，場與原子的相互作用逐漸減弱，而與介質的相互作用逐漸加強並提前發生。隨著原子間耦合系數g的增大，光子統計演化曲線的rabi振蕩的幅度減小且振蕩周期縮短，同時，系統的反聚束效應減弱。
  4. Abstract : we have studied the spontaneous emission from a three - level atom with an external - driving field in a photonic crystal. as a result of quantum interference and photon localization, the population in the two upper levels displays quasi - oscillatory oroscillatory behavior. this depends on the initial atomic state and the relative positions of the two upper levels from the forbidden gap. the intensity and the phase of the external field can affect spontaneous emission from the atom. the properties are different from a three - level atom either in vacuum or in aphotonic crystal without an external driving field

    文摘:討論了在雙光子驅動場作用下，三能級原子在光子晶體中的自發發射問題.由於量子干涉和光的局域化作用，兩個上能級中的占據數將具有周期振蕩或準周期振蕩的性質，這不僅依賴于兩個上能級與禁帶的相對位置，同時也依賴于原子的初始狀態，而且還與驅動場的強度、驅動場的入射位相有關.這些性質既與真空中帶有驅動場的原子的自發發射性質不同，也有別于無驅動場作用下光子晶體中三能級原子的自發發射性質
  5. The radiation field evolves from a steady saturation state to a limit cycle oscillation state, and eventually to chaotic oscillation state as the current increases, the region in which the field exhibits limit cycle or chaotic oscillation is called the " soft " and " hard " nonlinear regime, respectively : ( 1 ) in the " soft " nonlinear regime, the radiation field is characterized by period doubled bifurcation and the discrete power spectrum

    隨著電流的增大，輻射場經歷由穩定飽和到極限環型的周期振蕩，並最終過渡到非周期性混沌振蕩的演化過程，按其狀態可分為「軟」和「硬」兩種非線性區域： （ 1 ）在「軟」非線性區域，場的極限環振蕩態和穩定飽和態是交替出現的，其特徵是典型的倍周期分岔，輸出功率譜是分立的。
  6. Analytical solution for periodic motion of x3 oscillator

    3振蕩器周期運動的解析解
  7. The characteristics of precipitation anomalies in summer, previous and simultaneous ssta and preceding winter accumulated snow depth anomalies corresponding to positive and negative phases of 10 - yr mode and 25 - 30 - yr mode are discussed respectively. no matter for 10 - yr mode or for 25 - 30 - yr mode, reverse characteristics corresponding to positive phases and negative phases appear in the above fields. it proves that the decadal variation of sah have a good relation to the decadal variation of other key element of climate system and we can regard sah as a strong signal of the anomalies in the climate system

    （ 4 ）夏季南亞高壓東西振蕩具有明顯的年代際變化特徵，本文分別討論了對應於10年周期態的正位相年和負位相年及25 - 30年周期態的正位相年和負位相年時夏季我國降水距平、前期及同期海溫距平及前冬青藏高原積雪距平的分佈特徵，發現無論是10年周期態還是25 - 30年周期態，對于夏季南亞高壓東西振蕩的正位相年和負位相年以上各要素場呈現為很好的反位相特徵，說明夏季南亞高壓的年代際變化與氣候系統中其他要素的年代際變化具有很好的關聯性，可將南亞高壓看作氣候系統中大氣子系統異常的強信號，通過分析南亞高壓的年代際異常可以更直接地研究和預測區域氣候異常。
  8. The average period of the " composite oscillation " is 113

    組合振蕩的平均周期為113 4秒。
  9. In the control of electrode distance, a compromise arithmetics is used to solve the conflict of the slow control period and the excess adjustment

    另外，為了解決極距控制時控制周期慢和容易調節過度產生振蕩的矛盾，採取了一種折中演算法。
  10. The precipitation of the year has 10 year periods, 2. 5 - year oscillations have large variance in he precipitation of spring, winter and the year, especially in winter, the variance reach 36. 3 %. the trend of temperature is positive in all the year, increasing in north region is very prominent, this trend conform to the temperature increasing trend of the northern hemisphere

    但分地市來看，有些地市價水有明顯的趨勢變化。浙江省年降水量變化有明顯的10年周期，春季、冬季及年降水量變化有2 5年周期，特別是冬季25年振蕩的方差達到
  11. And then the theoretic technique of import the periodically wave of periodically poled crystals in the process of opo was studied, the theoretical method was realized by using period poled crystal in quasi - phase - matched optical parametric oscillation

    研究了將周期極化晶體的周期波矢引入光學參量振蕩過程，利用周期極化晶體實現準相位匹配光學參量振蕩的理論方法。
  12. One is similar to that of parton ' s ( 2003 ) report with the growth process oscillateing at the same frequency and amplitude

    一種與parton （ 2003 ）報道的周期性振蕩生長行為相似，每個振蕩的周期與振幅基本相同，平均周期為24 1秒。
  13. The results showed that the whole distribution pattern of winter chilling damage in guangdong had quasi - 8 year periodic variation, and the south - north distribution pattern had quasi - 22 year periodic variation. generally speaking, the periodic variation of winter chilling damage in guangdong had quasi - 8 year mainly oscillation

    結果發現，廣東冬季寒害的整體分佈型具有準8年的周期變化；南北分佈型具有準22年的周期變化；綜合而言，廣東冬季寒害具有準8年主要振蕩的周期變化。
  14. Northeast china floods season precipitation take place a mutation in 1967. the distribution of northeast china floods season precipitation anomalies shows different phase in different years. ( 3 ) northeast china precipitation anomalies shows complex periodic variation in different seasons and in different years, but all the season exist periodic variation of quasi - three years and over 10 years to different extent

    汛期降水異常的空間分佈在不同年代有不同的位相分佈特徵（ 3 ）東北地區降水不同季節不同年代表現出了較為復雜的周期特徵，其中各季都表現出了明顯的準3年振蕩的周期特徵，同時還不同程度存在10年以上的周期。
  15. A more reasonable sao index is therefore defined as the sao variance percentage of the difference of the zonally averaged slp between 40 s and 65 s

    據此，提出用40 s和65 s緯圈平均海平面氣壓差的半年周期分量的方差貢獻作為準半年振蕩的強度，該定義較前人的定義更為合理。
  16. Other than the periodic oscillation in pollen tube growth rate, the amplitude of each oscillation also changes in an oscillatory behaviour

    在花粉管生長速率呈現周期性變化的同時，生長振蕩的振幅也表現出「小?大?小」的規律性變化。
  17. On inter - decadal time scales, tropical cyclone activity over the western north pacific seems to have a periodicity of about 18 years. this may be related to the pacific decadal oscillation see

    十年間變化方面，在西北太平洋上，熱帶氣旋活動較明顯的周期是18年左右，這可能是與太平洋十年間振蕩pacific decadal oscillation ，簡稱pdo ，見
  18. On inter - decadal time scales, tropical cyclone activity over the western north pacific seems to have a periodicity of about 18 years. this may be related to the pacific decadal oscillation ( see

    十年間變化方面，在西北太平片洋上，熱帶氣旋活動較明顯的周期是18年左右，這可能是與太平洋十年間振蕩（ pacificdecadaloscillation ，簡稱pdo ，見
  19. It was also found that the number of active atoms has relation with the length of border when the growth rate was low, and the number was largest as the length was shortest

    並且發現，在低生長速率情況下，邊界長度與可活動原子數間存在對應的周期性振蕩關系。當邊界長度最小時，可活動原子數為最大;反之，可活動原子數為最小。
  20. When a interacting many - body system, such as a magnet, is driven in time by external perturbation, such as a magnetic field the system can ' t response instantaneously due to the relaxational delay

    當周期振蕩的外場加在一個互作用多體系統，例如鐵磁體的時候，系統會有一個相應的滯后；這種滯后的響應就是磁滯回線。
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