色散關系 的英文怎麼說

中文拼音 [shǎisǎnguānxì]
色散關系 英文
dispersion relations
  • 色 : 色名詞[口語] （顏色） colour
  • 散 : 散動詞1. （由聚集而分離） break up; disperse 2. （散布） distribute; disseminate; give out 3. （排除） dispel; let out
  • 關 : Ⅰ動詞1 （使開著的物體合攏） close; shut 2 （圈起來） shut in; lock up 3 （倒閉; 歇業） close down...
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  1. Once the wavelength approaches the intermolecular distance, the specific dispersion relation becomes important

    一旦波長接近分子間的距離時，各自特定的色散關系就變得重要了。
  2. In this paper, high - order accurate weighted essentially non - oscillatory ( weno ) schemes are investigated and their applications in hyperbolic conservation laws are discussed. based on this, a new weno difference scheme which based on dispersion - relation - preserving relation is developed, and representative test cases with this scheme for computational aeroacoustics ( caa ) problems has been implemented and compared in order to test capability of wave capturing ; in addition, weno schemes generally do not converge at high order in the presence of contact discontinuity of euler equations, so a conservative front tracking technique coupling weno schemes and level set method to simulate the translating density profile is presented here, and numerical simulation with this technique for representative test case has been implemented and results show the desired accuracy

    本文研究了高階精度加權基本無振蕩（ weno ）格式及其在雙曲守恆律方程中的應用，在此基礎上作了兩個方面的工作：一是針對高頻聲波問題構造出一種基於保色散關系（ drp ）的weno有限差分格式，並對計算氣動聲學（ caa ）問題的代表性算例進行了大量數值實驗，比較了該格式捕捉波數的能力；另外，針對高階weno格式在處理euler方程的接觸間斷時精度有所降低的問題，研究了利用界面追蹤技術levelset方法和高階激波捕捉weno格式相結合的一種守恆追蹤方法，並且給出有代表性的密度滑移面問題的算例，得到一致高階精度的數值模擬結果。
  3. The dispersion equation of full relativistic longitudinal plasmon was numerically evaluated, and the dispersion curve and simulated dispersion relationship for full relativistic temperature were given

    摘要對完全相對論性縱「等離激元」的色散方程進行數值計算，得到完全相對論性溫度下的色散曲線和擬合色散關系。
  4. The tm mode dispersion equation of the coaxial bwo in the infinite guiding - magnetic field is derived and solved numerically. the dispersion curve, operating frequency, and the growth rate are obtained

    採用線性理論推導了無窮大引導磁場下的同軸tm模式色散關系式，並編程數值求解了一定條件下的色散曲線、時間增長率、空間增長率。
  5. The dispersion equation represented by the plasma dispersion function is numerically evaluated, the dispersion relationship for nonrelativistic longitudinal oscillation is derived from the kinetic plasma equations

    摘要從等離了體動力論方程出發，通過對由原色散函數表示的色散方程進行數值計算來研究非相對論性等離子體縱振蕩的色散關系。
  6. Then the nonlinear coupled electromagnetic and electron motion equations were obtained from the lorentz equation. and numerical calculation and analysis of cold cavity by pic software were applied to analyze the both hot and cold dispersion characteristic of this waveguide

    接下來，從電子運動方程出發得到了自洽非線性方程組，通過一階線性近似導出了螺紋波導中注波互作用色散關系，從中分析該波導超寬帶特性。
  7. The results show that, as for the single - mode transmission, the dispersion relations yet include space - dispersion ( k dispersion ) which relates to angular spectrum of fields of in - waveguide, in addition to the material - dispersion and the waveguide - dispersion

    分析結果表明：對于單模傳輸，色散關系中除了與頻率有關的材料色散和波導色散外，還應包括與輸入端光場的角譜有關的空間色散（ k色散） 。
  8. In this paper we investigate the dispersive and absorptive properties of a system of three - level cascade atoms driven by a strong coherent field

    本文主要研究了由強相干場驅動的三能級級聯系統的吸收色散關系。
  9. The dispersion relation within the long - wave limit is linear, which is the same as that for the bose gas of superfluid phase in the absence of the optical lattice

    在長波極限下，色散關系是線性的，這與無外場時的色散關系相同。
  10. Moreover, it is confirmed that more desired results could be obtained by utilizing the li ' s new dispersion relation ( 2003 ) instead of the linear form

    另外還證實了在緩坡方程中引入非線性色散關系可以明顯改善緩坡方程模型的計算結果。
  11. The dispersion curves and simulated dispersion relationship of longitudinal waves without the langmuir wave, the ion sound wave and the ion plasma wave are obtained

    得到了除朗繆爾波、離子聲波和離子等離子體波外其它縱波的色散曲線和擬合色散關系。
  12. The dispersion - absorption relations of the two - level atom system tell us that at or near the resonance frequency, the index of refraction is large but absorption is equally large

    由二能級系統的吸收色散關系得知，在共振或者近共振時，折射率很大吸收也很大。
  13. This paper deals with the method of stress wave to measure the elastic modulus, loss modulus and their dispersion relationships against frequency of materials

    摘要用應力波的方法建立一維木材動彈模量的色散關系方程，並測量和分析了兩種木質材料的動彈模量與頻率的色散關系。
  14. The equivalent model can describe the inhomogeneity as a result of the modulation of the plasma density ", so we can solve the dispersion accounting for the plasma grating effects more easily

    等效模型把等離子體柵的調制效應體現出來，在求解填充等離子體柵的波導系統的色散關系方面要更為容易。
  15. 2. on the degeneracy properties in the dispersion relation of photonic crystal it is an intractable problem to explain the dispersion relation and degeneracy properties in it for photonic crystals

    光子晶體色散關系中簡並結構的理論研究對于光子晶體的頻帶結構和頻帶結構中的簡並一直是一個備受關注的問題。
  16. A new accurate method for measuring the birefringence of muscovite mica has been reported in terms of the dispersion relations of the indices and the variety relations between the phase delay and the wavelength

    摘要根據雲母折射率的色散關系和相位延遲隨波長變化關系，給出了一種測量雙折射率比較精確的方法。
  17. Expressions in three kinds of perfectly matched layer ( pml ) absorbing boundary conditions is also given. second, the numerical theories of the auxiliary fields fdtd method is studied, including the stability of the differential equations and the numerical dispersive relationship. the stability of two kinds of differential formulations and three kinds of pml is compared, using a straight method depending on the pmax - t graph

    更進一步，研究了輔助場fdtd方法的數值理論，對其微分方程、差代方程的穩定性進行了分析，比較了有耗媒質中的兩種差分格式和三種理想匹配層中的差分格式的穩定性，提出了一種通過p _ （ max ） - t曲線判定穩定性並求出穩定性條件的直觀方法，並導出了該方法的色散關系式。
  18. Using the two - stream fluid model, the linear dispersion relation is derived assuming a two - dimensional spatial geometry. two cases are considered, one is that the 2d spatial geometry is defined by the plane containing the two counterstreaming electron populations and the perturbation wave vector ( referred as the xy plane ), and the other is that the geometry is defined by the plane being vertical to the two counterstreaming electron populations ( referred as the yz plane )

    對高能束流和電子迴流構成的雙流系統，建立冷等離子體流體模型，採用簡正模分析方法，分別考慮擾動波矢在平行於電流傳播方向的平面（記為xy平面）上和在垂直於電流傳播方向的平面（記為yz平面）上這兩種情況，推導了不穩定性的色散關系。
  19. 3 ) coupled higher - order nonlinear schr ( ? ) dinger equations ( chnlse ), governing the evolution of two orthogonal polarization components of ultrashort optical pulse in birefringent fiber, are derived from the dispersion relation

    3 ）從色散關系出發，推導了描述超短光脈沖不同偏振分量在雙折射光纖中傳輸特性的耦合高階非線性薛定諤方程（ chnlse ）與用多重尺度法得到的相同。
  20. The integrands in the dispersion equation are not integrable in general, so we used the asymptotic expansion solution to analyze the behavior of the dispersion relation at the singularity and mapped the dispersion relation curves approximately the system composed of collisionless particles which obey maxwellian distribution or all kinds of degenerate distribution, even in their mixture system, their dispersion relation are analogous

    一般來說，色散方程中的被積函數都是難以求積的，本文是用函數逼近法分析色散方程在奇點處的行為，並大致劃出色散關系曲線。由無碰撞粒子組成的系統，不管初始分佈是maxwell分佈還是各種簡並分佈，甚至是這些分佈的混合體，色散關系都是相似的。
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