dispersion wave 中文意思是什麼

dispersion wave 解釋
頻散波
  • dispersion : n 1 分散，散開；散布，傳播；離散。2 【物理學】彌散，色散；【化學】分散作用；被分散物；分散相，分...
  • wave : n 〈美海軍〉女志願軍人〈見 WAVES 條〉。n 1 波浪；碎浪； 〈the wave（s）〉 〈詩〉海。2 波動；波狀...
  1. Abstract : propagation characteristics of r wave in a pavement structures are analysed in this paper. based on the propagation characteristics of r wave, the horizontal propagation wave is simulated by using r wave, the vertical propagation wave is also simulated by using body wave in calculating dynamic response of pavement structures. the availability and accuracy of dispersion curves measured by sasw in pavement structures is analysed by using the presented method used to calculate dynamic response

    文摘:利用有限單元法分析了道路結構的r面波傳播特性：在深度方向上衰減較慢，傳播較深，波動性大.提出了在道路結構動力響應計算中，利用面波來模擬水平向傳播波，利用體波來模擬豎直向傳播波.通過算例來驗證該方法的可靠性和精確性，並利用這一動力響應計算方法分析了道路結構表面波測試中所獲彌散曲線的可靠性
  2. A study on hemispherical canyon sh wave dispersion

    波散射問題的初步研究
  3. A study on hemispherical canyon p wave dispersion

    波的三維散射
  4. Variational analysis of dispersion characteristics in disk - loaded waveguide slow - wave structures

    盤荷波導慢波結構色散特性的變分分析
  5. Dispersion of rayleigh wave in a nearly saturated soil

    準飽和土中的瑞利波彌散特性
  6. Changes of p wave dispersion during hemodialysis in uremia patients

    改用靜脈鐵劑前後變化均無顯著性
  7. 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。
  8. The slow - wave characteristics neglecting and taking account of space harmonics ( sh ) for periodically iris - loaded confocal elliptical waveguides are analysed, and the dispersion equation and the mean coupling impedance of this structure are obtained by

    分析了周期膜片加載共焦橢圓波導，在考慮空間諧波和不考慮空間諧波兩種情況下的慢波特性。應用場匹配方法得到這種結構的色散方程和平均耦合阻抗。
  9. Two of the most predominant characteristics of surface wave are dispersion and attenuation which are the effective tools to study the velocity structure and viscidity structure of the earth interior

    頻敵和衰減是面波傳播中的兩個基本特徵，利用面波頻散和衰減可以有效地研究地球內部速度結構和粘彈性結構。
  10. The optical waveguide characteristics such as waveguide mode field profile, and the mode cut - off conditions, and the waveguide dispersion are analyzed with the solution of a certain wave equation. the mechanism of index ellipsoid of linbo _ 3 crystal distorted with an external applied electric field by means of the electro - optic tensor as investigated. based on the operation principle of m - z waveguide, the operation mechanism of the two - section cascaded m - z waveguide and of the modulation electrode are

    調制器的結構設計從m - z干涉型光波導工作原理出發，分析兩級串聯m - z干涉型光波導的工作原理，調制電極的工作原理，從而設計出了工作於1 . 054 m的、兩級串聯m - z干涉型光波導、行波電極linbo _ 3為強度調制器的結構參數。
  11. The numerical simulations show that the phase plane and amplitude plane in orthotropic fluid - saturated porous media is not paralleled to each other any more though the dispersion caused by the fluid is omitted. it is one kind of non - homogeneous wave. the maximum attenuation is no longer

    指出由於介質的各向異性，盡管忽略了流體粘度引起的粘度耗散，正交各向異性液飽和多孔介質中瑞利波的相平面和幅平面亦不再重合，為非均勻波，最大的衰減不再沿波傳播方向。
  12. Analysis of the dispersion on relativistic traveling wave tube

    相對論行波管色散特性分析
  13. 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。
  14. 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。
  15. 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。
  16. In this thesis, the dispersion relation ( eigen value equation ) of dispersion compensation fibers is obtained by a scalar - wave analysis

    本文首先用標量近似法推導了色散補償光纖的色散方程，這個結論適用於任何三包層光纖結構。
  17. Backward wave oscillators with coaxial structure : dispersion characteristics and pic simulation

    同軸波紋返波管色散特性研究及粒子模擬
  18. Correlation between p wave dispersion and paroxysmal atrial fibrillation in aged patients with hypertension

    波離散度與陣發性心房顫動的關系
  19. Relationship between essential hypertension with paroxysmal atrial fibrillation and p wave dispersion

    波離散度與原發性高血壓並發陣發性心房顫動的關系
  20. In order to proof the program ' s effectiveness, we made some experiments on ly - 12a1 by shpb. in addition, based on the pochhammer - chree ' s theoretical solution about the stress wave propagation in infinite cylindrical bar, a numerical approach for analyzing dispersion in shpb experiments is developed

    由於應力波在桿中傳播時存在彌散效應，在hopkinson桿實驗中，採用桿中某處的應變來代替桿與試件接觸端面處的應變，這必然會因為應力波的彌散效應給實驗結果帶來偏差。
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