空能級 的英文怎麼說

中文拼音 [kōngnéngjí]
空能級 英文
empty energy level
  • 空 : 空Ⅰ形容詞（不包含什麼; 裏面沒有東西或沒有內容; 不切實際的） empty; hollow; void Ⅱ名詞1 （天空） s...
  • 能 : 能名詞（姓氏） a surname
  • 級 : Ⅰ名詞1 （等級） level; rank; grade 2 （年級） any of the yearly divisions of a school course; gra...
  1. In part two, the optical spatiotemporal pattern in ring optic cavity is investigated. using delay feedback with spatial perturbation method, the system shows roll, square, hexagon, homocentric circle, " honeycomb " and " snowflower " pattern with different spatial perturbation functions. different patterns can be coexist and compete each other with the same perturbation function, which is the new character of this optical system with delay feedback

    第二部分，利用延時反饋的空間微擾方法研究了環形腔中二能級介質的光學時空斑圖的控制，在不同的微擾函數作用下，出現了滾筒狀、四方形、六角形、蜂窩狀、同心圓以及「雪花」狀等不同的斑圖，並且在相同的微擾函數下張勝海:博士學位論文出現了不同斑圖之間的競爭，這種競爭是我們發現的這一具有空間微擾的延時反饋非線性光學系統光學斑圖的新特徵。
  2. Particle energy levels in the spacetime of a non - kerr black hole

    一個非克爾黑洞時空中的粒子能級
  3. Udaloy reflects design changes that addressed the shortcomings of the previous krivak program ; namely the lack of helicopter facilities, limited sonar capabilities, and light air - defenses

    勇敢級一改以往克里瓦克級反潛護衛艦的缺點。克里瓦克級不能搭載直升機，搜索能力較低，防空能力也很差。
  4. Spontaneous emission can be totally suppressed or strongly enhanced depending on the relative position of the resonant frequency from the edge of the photonic band gap and the photonic mode density. several novel phenomena can be obtained. the spontaneous emission displays an oscillatory behavior, classical light localization, photon - atom bound state, nonzero steady - state population and anomalously large vacuum rabi splitting. and localized mode associated with a defect site in an otherwise perfect photonic crystals, acts as a high - q micro - cavity

    通過原子上能級與光子頻率帶隙邊緣的相對位置或者光子態密度，可以抑制或增強原子的自發輻射。分析並得到了一些奇異的現象，如自發輻射的諧振子行為、光的局域、單光子?原子局域態、上能級中存在非零穩態原子布居數、類似於真空中的拉比頻率分裂等。
  5. The study on hpec mortar shows that restricted expansive ratio ( e2 ) increases in the curve of parabola with the increase of the dosage of calcium sulphoaluminate ( csa ) expansive agent. so there is a suitable range of csa dosage ( generally 6 % - 12 % ). in this range, e2 of hpec mortar can reach as high as ( 5 - 10 ) 10 ~ 4, and the strength is not decreased

    對hpec砂漿的研究表明，限制膨脹率隨膨脹劑csa摻量的增加呈拋物線形式遞增，存在一個合適的csa摻量范圍（一般為6 - 12 ） ，在該范圍內hpec砂漿限制膨脹率可高達5萬- 10萬，且保證強度不下降，這就為設計不同膨脹能級膨脹混凝土而又保證混凝土強度等級提供了空間。
  6. Based on the first and second laws of thermodynamics and energy level theory, analyses the primary energy ratio, exergy efficiency and energy level difference of the household gas driven air conditioner at different conditions, and compares them with some other commonly used modes

    摘要運用熱力學第一定律、第二定律和能級分析理論，對戶式燃氣空調各種工況下的一次能源利用系數、 （火用）效率和能級差進行分析，並與幾種常用的方式進行對比。
  7. Energy level distribution of three - body harmonic coupling system in three - dimension space

    三維空間中三體相互作用的能級分佈
  8. 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
  9. Such control can be realized in case where a atom interact with photonic band gap matericals when the atom is placed in photonic crystals whose density of modes is dramatically different from that of free space vacuum. it was known that control could be achieved by varying the frequency ( which leads to the changes of the relative position of the upper levels from the forbidden gap ) or by varying the photonic density of modes ( dos ) or by varying the intial atomic state

    由於光子晶體具有不同於真空中的光子態密度，原子和光子帶隙材料便發生相互作用，這樣便可以控制原子的自發輻射。改變原子上能級與光子禁帶邊緣的相對位置、材料中的光子態密度或原子初態都可以控制原子的自發輻射。
  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，振蕩光模尺寸、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振西安理工大學碩士學位論文蕩光束腰半徑時，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，測量范圍和靈敏度依賴于泵浦功率，隨著泵浦功率的增加，測量范圍擴大，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范圍和靈敏度分別是13 . 045mm和0 . 148mw / pm 。
  11. The b1 level will become empty.

    B1能級變成空域。
  12. The effective excite wavelength range is 350 - 355nm for the exciton - exciton collision peak and we observed a blue emission peak at about 472nm caused by zinc vacancy. 3

    對激子-激子碰撞峰來說，有效的激發波長在350 - 355nm處，同時在472nm左右存在有一個由鋅空位造成的深能級的藍光發射峰。
  13. Using test - bed system, we can validate all methods in this field and evaluate algorithms. in this paper, the implement of the smart antenna test - bed is detailedly discussed. based on this test - bed, the new algorithms of doa estimation and space - time processing are presented and tested effectively using the actual data

    論文主要討論了智能天線系統的實現問題，在此基礎上，對波達方向（ doa ）估計演算法和cdma系統空時處理方面的演算法進行了研究，得到了兩種新的doa估計演算法和一種低復雜度空時級聯演算法。
  14. Due to the importance of the interferometer in implementing the logic gate operations, the coherent time of the system used as quantum bit must be as long as that to carry out the logic gate operations at least. the trapped ions meet the above demands, so it is the best candidate

    由於離子阱中超冷離子是處在一個近乎與世隔絕的空間中，它與外界的相互作用極弱，所以由環境引起的消相干近似可以忽略，因此囚禁離子阱中超冷二能級離子成為實施量子邏輯門操作的首選。
  15. The optical bloch equation of a v - type three - level atom embedded in dielectrics is derived. because of the vacuum anisotropy induced by the presence of the dielectrics, quantum interference between the two decay channels can still be generated in spite of the two dipole moments of the atom are orthogonal to each other

    推導了介質中一個v型三能級原子的光學bloch方程，由於介質所誘導的真空的各向異性，即使此v型三能級原子的兩電偶極矩互相垂直，依然能夠產生量子干涉。
  16. Secondly, the squeezing properties of the light of the f - type quantum - beat three - level atom interacting with the single - mode radiation fields in squeezed vacuum states or in binomial states have been studied by means of quantum theory and the numerical method

    論文的第二部分研究了v -型量子拍頻三能級原子與單模壓縮真空場和二項式態光場相互作用過程中光場的壓縮效應。
  17. We mainly investigate the second kind. linear stability analysis and numerical simulations will be used, and the evolution equation of a nonlinear resonator filled with kerr medium, the mean - field model for a nonlinear resonator filled with two - level atomic medium, second - harmonic generation system ( shg ) with quadratically nonlinear material, complex ginzburg - landau equation ( cgle ), and coupled map lattice model ( cml ) will be considered in this dissertation. the paper can be divided into three parts : pattern formation, pattern selection and control of stc, the synchronization and applications of stc

    以含有kerr介質非線性光學諧振腔發展方程、含有二能級原子介質的非線性光學諧振腔平均場方程、含有x ~ 2介質的光學二次諧波產生系統模型、及復金茲伯格?朗道方程和耦合映射模型等動力學系統為例，採用線性穩定性分析及數值實驗方法，研究了斑圖形成、斑圖的選擇和時空混沌的控制、時空混沌的同步及其在保密通信方面的應用等三大部分內容。
  18. The state function for the interaction of a a - type three - level atom with two - mode squeezing vacuum field is derived in the paper. the influences of detuning 8 and initial squeezed light - field factor r on the cauchy - schwartz inequality, light squeezing and nonclassical properties are investigated

    本文還導出了雙模壓縮真空場與型三能級原子非共振相互作用系統的態函數，研究了場模失諧量和場的初始壓縮因子r對原子布居概率、光場壓縮和非經典特性的影響。
  19. Ld - pumped nd : yag, lbo ( type - i critical phase matching ) intracavity frequency doubled, blue laser at 473nm was obtained finally. under the condition of 14w pump power, high power tem00 mode blue laser at 473nm of 1. 1w was obtained. by means of inserting diaphragm into cavity, the power fluctuation and beam mode were improved ; in the experiments, the proportion of special mode matching in quasi - three - level laser was discovered, and the phenomenon were explained reasonedly

    實驗上採用對熱效應不敏感的三鏡折疊腔， ld泵浦nd : yag ，類相位匹配lbo作為倍頻晶體，獲得了1 . 1瓦的連續473mn藍光輸出；採用腔內插入光闌的方法，有效克服了功率抖動，同時改善了光斑模式；實驗中發現準三能級激光器存在兩個空間模式匹配比例關系，並對這一現象給出了合理的解釋。
  20. The properties of spontaneous emission depend not only on the relative position of the resonant frequency from the edge of the photonic band gap and the photonic mode density but also on the relative distance of the atomic space position from the sidebrand. and we study other property of spontaneous emission

    其性質除了依賴于原子上能級與光子頻率帶隙邊緣的相對位置或光子態密度，還依賴于原子的空間位置與側支距離。並對原子的自發輻射的其它特性進行了分析。
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