time dependent theory 中文意思是什麼

time dependent theory 解釋
時間相關理論
  • time : n 1 時,時間,時日,歲月。2 時候,時刻;期間;時節,季節;〈常pl 〉時期,年代,時代; 〈the time ...
  • dependent : adj. 1. 依靠的,依賴的。2. 從屬的,隸屬的,【語法】從屬的。3. 由…決定的。4. 下垂的,懸吊的。n. 1. 受贍養者,靠人生活的人。2. 扈從,侍從。3. 依存[從屬]物。
  • theory : n. 1. 理論,學理,原理。2. 學說,論說 (opp. hypothesis)。3. 推測,揣度。4. 〈口語〉見解,意見。
  1. Collisonal quantum interference ( cqi ) was observed in the intramolecular rotational energy transfer in the experiment of the static cell, and the integral interference angles were measured. to observe more precise information, the experiment in the molecular beam should be taken, from which the differential interference angle can be obtained precisely. in this paper, the theoretical model of cqi is described in an atom - diatom system in the condition of the molecular beam, based on the first - born approximation of time dependent perturbation theory, taking into accounts the anisotropic lennard - jones interaction potentials. the method of observing and measuring correctly the differential interference angle is presented. the changing tendencies of the differential interference angle with the impact parameter, velocity, and et al. are discussed

    分子內部轉動傳能的靜態池實驗觀察到了碰撞量子干涉效應( cqi ) ,並且測得積分干涉角,為了獲得更加精確的分子內部轉動傳能的碰撞量子干涉效應信息,實驗就必須要採用分子束實驗進行.本文理論上採用各項異性相互作用勢,應用含時微擾理論的一級波恩近似,假想在分子束實驗的條件下,建立在原子-雙原子分子體系中碰撞量子干涉的理論模型.理論上推導出微分干涉角具體表達式,通過計算定性地討論了微分干涉角隨著碰撞參數、速率等的變化趨勢,同時初步探討了實驗的正確觀測途徑,得出了採用分子束進行實驗觀測的實驗方法,為進一步進行分子束實驗提供了理論基礎,對實驗的進行起到了一定的借鑒作用
  2. The nonlinear optical properties of pna molecule in gas phase are studied on the base of time dependent density functional theory

    本文在含時密度泛函理論基礎上研究了汽相下pna分子體系的非線性光學性質。
  3. Then, the nonlinear optical properties of pna molecule are studied by using time dependent density functional theory and few states approach

    然後運用含時密度泛函理論及少態方法對pna分子體系的非線性光學性質進行了理論研究。
  4. The solvent effects on the nonlinear optical properties of pna molecule are also chiefly studied on the base of time dependent density functional theory

    本文還在含時密度泛函理論基礎上著重研究了溶劑效應對pna分子的非線性光學性質的影響。
  5. We discussed the propagation of the atom laser beam which had non - conservation quality factor based on the theory of abcd formulation of propagation of a time - dependent quantum system

    我們試圖提供一種研究原子激光傳輸的一般方法,為進一步的實驗和理論預測提供一個理論工具。
  6. In chapter 3, we discussed the propagation of the atom laser beam, with the transverse independent of gravitate direction, which had non - conservation quality factor based on the theory of abcd formulation of propagation of a time - dependent quantum system

    第三章:本章在含時量子系統的schrdinger形式理論的基礎上初步討論原子激光? ?這種品質因子不守恆的含時量子系統的傳輸問題。
  7. The second part studies optimal pure proportional navigation ( ppn ), with time - dependent gain of navigation to maneuvering target based on proportional navigation theory. optimal gain of navigation is constant for ppn without maneuvering ; based on this, solution of time - dependent gain of navigation is given by iteration approach, and the time required for capture is given, the times of iteration is decided by comparing this time with the iteration step

    對目標機動的追逃問題,考慮導航增益可為任意實數,且隨時間和初始條件改變,這一思想是建立在目標非機動的純比例導引制導規律,最佳導航增益為常數的基礎之上,利用迭代的方法,給出了時變的導航增益的求解方法,並給出了實現捕獲所需的時間,用此時間與迭代步長進行比較,判定迭代次數。
  8. Based on the complex nonlinear system theory and contraposing the nonlinear time - dependent characteristic of complex economic system, this dissertation researches the structure, stability, equilibrium trajectory bifurcation and trajectory catastrophe phenomenon of evolution, the characteristics of the equilibrium catastrophe trajectory which is caused by parameters

    以復雜非線性系統的理論為基礎,圍繞復雜經濟系統的非線性時變特點,對非線性時變系統的結構、穩定性、演化過程中平衡軌道分岔現象和參數引起的軌跡突變現象進行了理論研究,研究了突變軌跡的相關性質。
  9. 74 explores time - dependent quantum mechanics and spectroscopy. topics covered include : perturbation theory, two - level systems, light - matter interactions, relaxation in quantum systems, correlation functions and linear response theory, and nonlinear spectroscopy

    74探索與時間相關的量子力學與光譜學,課題包含:微擾理論、雙能級系統、光與物質之作用、量子系統的鬆弛過程、相關函數與線性響應理論,以及非線性光譜學。
  10. Secondly, the nonlinear optical properties with pna molecule in different solvents are studied through using the polarized continuum model and few states approach on the base of time dependent density functional theory, and the first order nonlinear hyperpolarizabilities in second harmonic generation process are computed

    然後在含時密度泛函理論基礎上採用極化連續模型和少態方法研究了不同溶劑中pna分子的非線性光學性質,計算了二次諧波振蕩過程的一階非線性超極化率,並討論了pna分子的非線性光學性質與溶劑極性之間的關系。
  11. On the basis of the theory of reinforcement corrosion caused by chloride, a chloride diffusion model considering the time - dependent quantities of diffusion coefficient and surface chloride concentration for predicting the content of chloride in concrete is presented in this paper, at the same time, the determination of model factors are analyzed

    論文以氯離子對混凝土結構的侵蝕機理為基礎,在不同氯腐蝕環境下,建立了考慮氯離子擴散系數的時間依賴性及其它因素影響的改進氯離子擴散模型,並對模型參數的選取和確定進行了深入討論。
  12. This dissertation investigates the breakdown theory and reliability characterization methods of the time dependent dielectric breakdown ( tddb ) for the ultra - thin gate oxide, and the hot - carrier effect ( hce ) in deep sub - micron mosfet ' s

    本文對超薄柵氧化層經時擊穿( tddb )擊穿機理和可靠性表徵方法以及深亞微米mos器件熱載流子效應( hce )進行了系統研究。
  13. Using time - dependent mode matched scattering matrix method and based on the theory of the interaction between atom and electromagnetic field, we predict the effect that the longitudinal transport of electron is partly blocked by the lateral emitting electromagnetic wave and give detail analysis of the mechanism and the feature of the effect

    第三章我們以光和原子相互作用理論為基礎,用含時模式匹配散射矩陣方法研究了直量子線在太赫茲電磁場部分輻照下的電子輸運性質,並得出橫向電磁輻射對電子縱向運動的阻塞效應。
  14. Using lewis - riesenfeld theory, we obtain exact solutions of the time - dependent system, then we recover both n - pulse method based on time - evolution operator of the system and stirap method in terms of instantaneous eigenstates with the help of time - dependent gauge transformation

    利用含時規范變換理論得到系統的精確解,我們用時間演化算符同時得到文獻中分別採用-位相法和stirap (受激拉曼散射)方法得到的結果,因而更具有普遍性。
  15. The analytical theory for one - dimensional large - strain and non - linear consolidation of soft soils under time - dependent loading obtained herein provides a direct and efficiency tool for the verification of numerical methods used in solving large - strain consolidation problems. moreover, the semi - analytical method and the corresponding computer code developed provide more reasonable theoretical supports for practical consolidation analyses and computations of soft clayey soils

    本文在簡化假定下給出的考慮變荷載的軟粘土一維大應變非線性固結解析解為大應變固結問題各種數值解法的驗證提供了直接有效的工具;建立的半解析法和編制的相應程序為實際軟粘土地基的固結分析提供了更為先進合理的理論支撐。
  16. ( 4 ) according to observation data, the approach to the time varying rule is proposed using wavelet theory and phase space reconstruction, the evolution of the crack opening varying with time is studied and proved by a project example. ( 5 ) on the basis of extracting the time - dependent component using wavelet analysis

    ( 4 )基於實測資料,綜合應用小波分析理論和相空間重構技術,對裂縫開度隨時間的演變規律進行了研究,提出了基於小波分析理論和相空間重構技術的裂縫時變規律分析方法,並對其可行性進行了工程實例驗證。
  17. On the basis of reviewing kaluza - klein theory, this dissertation emphasizes on discussing a five - dimensional ( 5d ) time - dependent and spherically symmetric exact solution presented by liu and wesson in 2001

    本文在回顧kaluza - klein理論的基礎上,重點討論了由liu和wesson提出的一個5維含時的球對稱引力場方程的嚴格解。
  18. Granger received the nobel prize, because their cointegration theory had solved two difficult problems, the time - varying volatility and non - stationary in the time series analysis field. in this paper, will introduce the normal knowledge of cointegration theory, and emphatically depict the possibility of applying cointegration algorithm to condition monitoring and fault diagnosis for engineering systems, which are non - stationary processes. it is well known that non - stationary system behavior causes grave difficulties on system modeling and condition monitoring due to the time - dependent statistics

    2003年,諾貝爾經濟學獎頒給了在時間序列計量經濟學研究領域做出突破性貢獻的兩位美國經濟學家,羅伯特?恩格爾( robertf . engle )和克萊夫?格蘭傑( clivewj . granger ) ,以表彰他們提出的協整理論解決了時間序列分析中的兩個難題,即異方差( time - varyingvolatility )與非平穩性( non - stationary ) 。
  19. Many factors are considered in the study of the nonlinear buckling bearing capacities of the representative concrete filled circular and square steel tube columns, these factors include the sectional form, the slenderness ratio, the steel ratio, and the eccentricity ratio. the comparison between the test and calculating results shows that they have a good agreement. in theoretical investigation of the time - dependent behaviour of cft specimens, based on the three - dimensional viscoelastic theory, this paper proposed the three - dimensional finite element model of creep of core concrete, in which a linear three parameters visoelastic model was adopted

    在對鋼管混凝土構件極限承載力的分析計算中,本文提出了核心混凝土的三維非線性應力?應變全量和增量本構關系模型,採用完全的拉格朗日表述來考慮與變形歷史有關的大變形問題,並對長細比、含鋼率和偏心率在較大范圍內變化的方、圓鋼管混凝土構件的非線性屈曲承載力分別進行了試驗和理論對比分析研究,結果表明二者符合較好。
  20. We used density functional theory ( b3lyp ), which is becke ' s three parameter hybrid function using the lee, yang and parr ( lyp ) correlation function. the basis sets we used is 6 - 31g *. the excited state energies and electric dipole transition moments are calculated by time - dependent dft

    分子的幾何結構在雜化的密度泛函理論( dft ) b3lyp水平上優化,其中電子的交換能採用becke的三參數交換函數,而電子的相關能採用lee , yang ,和parr的相關能函數,選用的基矢是6 - 31g *
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