dispersion equation 中文意思是什麼

dispersion equation 解釋
色散方程
  • 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...
  • equation : n. 1. 平衡，均衡；平均，相等。2. 【數學】方程式，等式。3. 【天文學】（時）差；均分，等分。4. 【化學】反應式。
  1. Solving the dispersion equation is the main problem of self - gravitational system

    求解色散方程是穩定性問題的中心問題。
  2. There is a singularity in the dispersion equation. it is landau ' s excellent place to handle this singularity correctly when he encountered this problem in plasma physics

    色散方程中存在奇點，對奇點的正確處理採用landau在等離子體物理中的處理方法。
  3. Through the analytic continuation of first order perturbation function in the - plane, we have that the integral path of dispersion equation should use the landau path

    。通過將一級微擾函數在整個復頻率平面上解析延拓，得到色散方程中的積分路徑應採用landau積分路徑。
  4. For the first time, the unified " hot " dispersion equation which can be used to analyze structures with different groove profiles is obtained by means of an approximate self - consistent field - theory

    採用近似自洽場論的方法，首次得到了適用於分析不同螺旋槽結構的統一的「熱」色散方程。
  5. 4. the " hot " dispersion equation of the coaxial ridge - disk - loaded cylindrical waveguide twt with an annular electron beam can be firstly obtained according to self - consistent field theory

    四、引入薄環形電子注，首次建立了脊加載同軸膜片圓波導的注波互作用線性理論，得到小信號條件下的色散方程。
  6. 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。
  7. 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。
  8. 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。
  9. First, we use a simple three - layer - model to gain the expressions of the electric field of cladding mode and its dispersion equation, at the same time, we present the expressions of the electric field of the core mode and its dispersion equation

    因為要考慮包層模，所以首先用光纖的三層模型得到包層模的場分佈和色散方程，同時也給出單模光纖纖芯基模的場分佈和色散方程。
  10. 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。
  11. For the first time, the coaxial ridge - disk - loaded cylindrical waveguide as sws is presented. its dispersion equation and the expression of coupling impedance are given by application of the field matching method. a series of numerical results show that the influence of structure dimensions on the dispersion characteristics and interaction impendance

    三、創造性地提出脊加載同軸膜片圓波導慢波結構，並對其採用嚴格的場匹配法，詳細推導了色散方程和耦合阻抗表達式，並得到一系列有關系統結構參量與色散和耦合阻抗之關系的數值模擬結果。
  12. In this paper, river water quality prediction is integrated with water pollution control measures. two parameters, water environmental capacity and pollution index are selected for pollution control measures. the objective is achieved after the development of simulation model using one - dimensional advection dispersion equation. the model algorithm and computer program is an improvement over the existing water quality models, since the model solution involves four point implicit upwind schemes for water quality prediction and pollution control measures at each grid point. model simulation results the assessment of water environmental capacity that yield the acceptable and realistic pollutants concentration in order to maintain water quality objectives. the pollution and overall pollution index of the river is suggested for integrating number of contaminants variables into one index. study provides the mathematical and scientific procedure for water quality management. the new approach is helpful for the water pollution control and to study the impacts of waste effluents on the river system for strategic planning purposes

    本文將水質預測及水污染控制措施有機地結合，選取水環境容量和污染指數作為水污染控制的參數.這樣，一維對流-擴散水質方程的求解除就是實現本研究目的的關鍵.本研究採用的模型在現有的水質模型基礎上有所改進，因為其採用四點隱格式對水質進行預測，推求可接納污染物的環境容量值及為保證水質而限定的污染物濃度值，從而制定相應的水污染控制措施.為整體考慮各種污染物的情況，建議採用河流的污染指數進而推求綜合污染指數.總之，本研究為水質保護提供了科學的計算方法，該法對水污染控制及污水對河道水質的影響是實用有效的
  13. Abstract : in this paper, river water quality prediction is integrated with water pollution control measures. two parameters, water environmental capacity and pollution index are selected for pollution control measures. the objective is achieved after the development of simulation model using one - dimensional advection dispersion equation. the model algorithm and computer program is an improvement over the existing water quality models, since the model solution involves four point implicit upwind schemes for water quality prediction and pollution control measures at each grid point. model simulation results the assessment of water environmental capacity that yield the acceptable and realistic pollutants concentration in order to maintain water quality objectives. the pollution and overall pollution index of the river is suggested for integrating number of contaminants variables into one index. study provides the mathematical and scientific procedure for water quality management. the new approach is helpful for the water pollution control and to study the impacts of waste effluents on the river system for strategic planning purposes

    文摘:本文將水質預測及水污染控制措施有機地結合，選取水環境容量和污染指數作為水污染控制的參數.這樣，一維對流-擴散水質方程的求解除就是實現本研究目的的關鍵.本研究採用的模型在現有的水質模型基礎上有所改進，因為其採用四點隱格式對水質進行預測，推求可接納污染物的環境容量值及為保證水質而限定的污染物濃度值，從而制定相應的水污染控制措施.為整體考慮各種污染物的情況，建議採用河流的污染指數進而推求綜合污染指數.總之，本研究為水質保護提供了科學的計算方法，該法對水污染控制及污水對河道水質的影響是實用有效的
  14. 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。
  15. And no3 - - n can be leached to soil layer below die wetting depth. the convection - dispersion equation with the retardation coefficient yield by method has been adopted to model nh4 - - n transport in saturated soil, simulation results are compared well with experimental results

    基於批平衡得到nh _ 4 ~ + ? n的吸附延遲系數，利用對流一彌散方程模擬nh _ 4 ~ + ? n在飽和土壤中的遷移過程，模擬結果與試驗結果吻合較好。
  16. The profile of arbitrary shaped groove is approximated by a series of rectangular steps and the " hot " dispersion equation of the coaxial arbitrary - shaped - groove slow - wave structure is derived by the self - consistent theory

    摘要用階梯近似的方法分析任意槽形加載的圓波導慢波系統中的場，採用自洽場理論，得到了任意槽形周期加載圓波導慢波系統在小信號條件下的「熱」色散方程，並對結構參數對小信號增益的影響情況進行了研究。
  17. The linear theory of the coaxial disk - loaded cylindrical waveguide twt is built and the dispersion equation with an annular electron beam of this twt is obtained according to self - consistent field theory and the field matching method. the computation results of the hot dispersion equation indicate the relations between the electron beam parameters and the small signal gain

    利用自洽場理論以及場的匹配方法，推導出此結構在小信號條件下的熱色散方程，討論了電子注參量和慢波系統幾何參量與小信號增益和色散的關系。
  18. First, on the basic theory of the coaxial disk cylindrical waveguide, we analysis field equation in each area of the coaxial disk cylindrical waveguide with longitudinal ribs. the dispersion equation and the coupling impedance of this structure are obtained by means of triangle function ' s orthogonality and combing with the field matching method. through the numerical calculation, we discuss the influence of various structure ' s parameter on the dispersion and the coupling impedance

    主要工作和創新成果如下：一、首先在盤荷波導理論的基礎上，嚴格分析加上脊后的各區場表達式，利用邊界條件和函數的正交性推導出對應的色散方程和耦合阻抗表達式，並通過數值模擬計算，詳細討論了該結構的幾何參數對色散方程和耦合阻抗的影響。
  19. First, the theory of the coaxial disk - loaded cylindrical waveguide sws is analysed, and the dispersion equation and the coupling impedance of this structure are obtained. through the numerical caculation, it is discussed that the influence of various circuit dimensions on the dispersion and the coupling impedance. 2

    本文的主要研究工作和創新點如下：一、首先完善了同軸膜片加載圓波導慢波系統的理論分析，得到該系統色散方程和耦合阻抗表達式，並通過數值模擬計算，詳細討論了慢波系統幾何尺寸對色散特性和耦合阻抗的影響。
  20. The paper did scrupulous discussion and investigation on the interaction between electron beam and standing wave field in the gyroklystron, which is typical in the electron cyclotron maser which action rf system is resonant cavity. the main works of this dissertation are listed as following : first, solving field in absorbing material and field matching method were used to derive the dispersion equation in waveguides and field matching formulas of hybrid modes in an abrupt cavity with absorber. based on the theoretical analysis, numerical simulations of the cavities in gyroklystron were done

    主要工作有:一、採用吸收介質分區求解及場匹配的方法推導出含有吸收層的色散方程，單側加入吸收介質及兩側均加入吸收介質兩種突變結構混合模場的匹配方程，在理論分析的基礎上，通過相關的模擬軟體，建立了迴旋速調管介質加載中間腔的計算模型，對迴旋速調管中間腔進行了數值模擬，並給出了主要的計算結果。
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