d integral 中文意思是什麼

d integral 解釋
d積分
  • d :
  • integral : adj 1 完全的;缺一不可的,主要的。2 【數學】整的,積分的。n 全體,整體;【數學】積分。 definite i...
  1. The integral equations governing the three - dimensional viscous flow inside the turbo - machinery in the rotating coordinate system are presented in this paper, the viscous effects are simulated by the distributed body force described by professor denton j. d. the time - marching method and explicit finite volume difference scheme are employed to solve the flow inside the turbo - machinery

    本文給出了相對旋轉坐標系下葉輪機械內部三維粘性流動的守恆型積分型方程組,利用dentonj . d .教授的粘性體積力法來模擬粘性對葉輪機械內部流動的影響,採用時間推進法和有限體積差分格式對葉輪機械內部的流動進行求解。
  2. The influence of the cloud droplet spectrum character and the spectrum growth and change is considered, which does not use a cut - off value for conversion from cloud water into rain water process. in the continuous coalescence equation, the particles fall velocity difference is not moved out from the integral, but is integrated in the equation as the function of diameter d to avoid the error of using particles average fall velocity. in the new scheme, generation rate of graupel due to the collection of snow by graupel and the collection of cloud ice by graupel are included

    雲中凝結核ccn的數濃度採用超幾何函數表示;雲水向雨水的自動轉換過程採用grabowski ( 1999 )的公式,考慮了雲滴譜的特徵和發展變化對該過程的影響,而不是採用原方案給定閾值的方法描述該過程;對連續碰並方程不再將粒子落速差作為常量提出積分號外,而是直接作為粒子直徑函數在積分號內求解,這樣處理可以迴避使用粒子群的平均落速帶來的誤差;增加了霰和雪、霰和冰晶的碰並微物理過程。
  3. Determining the extreme values and extremal functions of the analytic functions on d = { z $ c : z < 1 } is very important in the principles of univalent functions. baernstein [ 2 ] gave the conclusion by using koebe function as the extremal function, glenn schober [ 6 ] studied the classes such as s, p, k, s * of h ( d ) and represented these functions with integral formulations. wang jian [ 3 ] and others investigated the integral mean values

    Baernstein首先在單位圓上討論給出了以koebe函數作為極值函數的結論, glennschober對h ( d )中一些函數子類如s 、 p 、 k 、 s ~ *等作了研究,將這些子類上的函數用積分表達出來,王鍵結合baernstein ~ *函數的定義及glennschober的結論,定義了對稱集的概念並得出了一些函數類在其上的積分平均。
  4. The solving process of the d ' alembert ' s differential equation using fourier ' s triple integral transform method

    用重傅氏積分變換法求解達朗貝爾方程
  5. Finally, niutoushan double - curvature arch dam was modeled and 3 - d fem simulation analysis was performed, so as to find out the integral safety factor and the stress and displacement patterns of dam and its foundation under different load combination

    最後,對牛頭山水電站雙曲拱壩進行了有限元建模和三維非線性有限元模擬分析,計算分析了各種情況下壩體和基巖的應力位移規律,對大壩的整體安全度進行了綜合評判。
  6. A strategic move, according to schelling is “ one that influence the other person ’ s choice in a manner favorable to oneself by affecting the other person ’ s expectation on how one ’ s self will behave. ” strategic interaction among firms occurs along several dimensions : capacity, pricing, product policy and r & d. most of these involve substantial investments ; the last represents largely irreversible commitments to the industry and are an integral part of the process of establishing the firms ’ relative positions in terms of market share, costs and products

    在信息完全性的假定條件下,考慮到資產的專用性,通過對允許對手進入的斯塔克爾伯格均衡和阻止對手進入的過剩生產能力( excesscapacity )可置信威脅策略性行為的比較分析,數理論證了壟斷企業中存在過剩生產能力的一種可能原因,是一種特定條件下各利益主體最大化其效用時出現的相對穩定狀態。
  7. Furthermore, the dual integral equations can be reduced to the fredholm integral equations of the second kind and solved by numerical procedure. at the end of this chapter, the numerical analysis for dynamic interaction characters of saturated half - space / layered ground and circular plate is evaluated. finally, the solutions for 3 - d dynamic responding of elastic rect

    基於橫觀各向同性飽和半空間/有限層地基非軸對稱波動方程的通解,按混合邊值問題建立飽和地基與彈性圓板非軸對稱動力相互作用的積分方程,求解積分方程后得到橫觀各向同性飽和地基上圓板非軸對稱動力響應的一般解,並分析了飽和地基上圓薄板和中厚板振動的若干特徵。
  8. Base on the characteristics of industry, academe and research institutes, and base on the different degree of merging into an organic whole, cooperating with the model ' s integral analysis, the paper gives further illustration about enforcement tactics of model ' s development. set up specialized agencies to advance cooperation and make innovations ; set up several institutions which have some function like " incubator " and " digesting device " ; cooperating with the enforcement of " r & d ", qualitative & quantitative analysis should be used to carry on a comparable benefit analysis in order to coordinate the relationship between policy decision and interests

    基於產學研各方的特點及結合程度之差異,配合模式的整體分析,進一步說明其發展的實施策略:建立專門機構,推進協調合作創新;建好一批「孵化器」和「消化器」 ;配合實施「 r & d 」 ,同時在實踐中要運用定量、定性相結合的方法來進行效益可比分析,以協助決策和利益關系協調。
  9. The non - aliasing frequency and non - ambiguous 2 - d angles is obtained by the phase characteristic of eignevalue and integral search method in this dissertation, an algorithm of spatio - temporal 2 - dspectra estimation based on 4th - order cumulants was introduced and used to realize a prototype scout, a calibration algorithm in the wide - band array system is proposed

    本文主要介紹了基於四階累積量的時-空二維譜估計演算法,並以此為基礎來實現時頻空三維偵察機;寬頻段陣列系統各種誤差參數的校正演算法,實驗系統的硬體驅動程序的開發和應用軟體的開發。
  10. Thirdly, the method to calculate the 3 - d dynamic responding of layered transversely isotropic saturated soils to an arbitrary buried source in cylindrical coordinate as well as to an arbitrary harmonious source in rectangular coordinate is presented respectively. based on biot ' s wave theory, the 3 - d wave equations in cylindrical coordinate for transversely isotropic saturated poroelastic media are transformed into a group of governing different equations with 1 - order by the fourier expanding with respect to azimuth and hankel integral transform method or by the double fourier transform method with respect to horizontal coordinates in rectangular coordinate. then, transfer matrixes within layered media are derived under the continuous conditions, drainage conditions and the boundary conditions

    基於飽和土的biot波動理論,通過fouricr變換,將橫觀各向同性飽和土三維非軸對稱波動方程轉化為一組一階常微分方程組,再經har止el變換,建立問題的狀態方程,求解狀態方程得到傳遞矩陣;利用傳遞矩陣,結合飽和層狀地基的邊界條件、排水條件及層間接觸和連續條件,首次給出層狀橫觀各向同性飽和地基在任意地展力作用下的三維非軸對稱動力響應的解析解。
  11. The hydrodynamics in the used frequency domain were calculated based on 3 - d green ' s integral equation method

    採用三維格林積分方程法計算水動力系數的頻域特性。
  12. In the time - domain, based on the principle of random sampling of dso. two way ( " time amplifing in dual slope integral " and " time - voltage convert " ) are implemented to measure the time between the system triger and writing clock. thus random sampling interpolate can be done to measure repeated signal in high frequency with the a / d convert and controller which frequency are lower

    在時域,根據數字示波器隨機取樣原理,用兩種方法(雙斜率積分時間放大測量方法和時間? ?電壓轉換測量方法)測量數字示波器系統觸發和采樣寫時鐘間時間間隔,用低速a / d轉換器及控制器進行模?數轉換和控制,以此進行隨機取樣內插,從而實現了對高頻率重復信號的測量。
  13. Firstly, when the pipe flow was laminar, the movement of fibers was computed in the 2 - d force formulae that were deduced from the slender body theory and in 3 - d integral method. results revealed that angles between fibers " axis and the orientation of flow would concentrate gradually on a low number as the re numbers increased. that is, the axis of fibers would rotate toward the orientation of flow

    首先,當管道內流動為層流時,分別利用從細長體理論出發得出的纖維二維受力公式和三維分段積分計算方法模擬了大量纖維在流場中的運動,然後在最終時刻統計了纖維的偏角分佈,並得出相同的結果:隨著re數的增加,纖維粒子的偏角逐漸集中於小角度,即纖維軸線方向越來越集中於流向,此結果與實驗吻合較好。
  14. In the next part, after verifying the simplified computational method of turbulence, the movement of fibers in turbulent pipe flow was simulated by 3 - d integral method and simplified computational method of turbulence. it was found that the fluctuation of turbulence caused random of fibers " orientation and its distribution became broader as the re numbers increased

    然後,在驗證了湍流的簡化方法的合理性后,利用三維分段計算方法和湍流簡化方法模擬了大量纖維粒子在管道湍流內的運動,得出的結果為:湍流的脈動速度導致了纖維的偏角趨于無序,且隨著re數的增加,纖維偏角的分佈越來越趨于均勻。
  15. Digital feedback twice sampling a / d converter is based on common accurate dual integral a / d converter. during the second sampling, through the control logic, programmable counters and switch control, realize digital feedback and substitute primary analogue feedback realized by high accuracy d / a converter

    在第二次采樣中,通過控制邏輯、可編程計數器和開關控制來實現數字反饋,以取代原有的兩次采樣a / d轉換器中通過高準確度d / a轉換器所實現的模擬反饋。
  16. Lemma 5 let ( m, p ) be a right weak hopf - comoduleover h = a weak hopf - coalgebra, then for all ( 1 ) is a right submodule over ha of m. theorem 3 if h is a weak hopf - coalgebra and m = { ma } a is a right weak hopf - comodule over h ; we claim that : in the fourth section, we mainly study the weak integrals of h and the semisimplicity of h. we discuss the relation between the - integral and the antipiode of h, we get the following main results : lemma 6 let h = be a weak hopf - coalgebra, then the following statements for an element are equivalent ( a ) 1 a integral of h1 ( b ) ( c ) ( d ) ( e ) ( f ) is a right integral of h theorem 4 let h = be a weak hopf - coalgebra. then the following conditions on h1 are equivalent ( a ) h1 is semisimple

    ) ?喇) ( 1 , 1 ) )二m仰n m 」 」 「是m的右從子模定理3設h為弱hopf7t一余代數, m ma人h是h上的右弱hopf7t一余模n h是h在m上的余不動盧、 。則第四節我們主要討論了弱horf 。一余代數的半單性與h ;中的弱積分的關系;牙用( h ,上門, l ) , 3 , si )為弱hopf代數這一q點;我來觀察hi的正規弱積分與h的半單性之間的關系;該節第部分主要是給出弱hopf 。
  17. This paper primarily introduces the electronics r & d process and brings forward the integral and feasible design project of the system

    本論文以全自動生化儀電子學系統的研發過程為主要內容,提出了完整可行的系統設計方案。
  18. Some basic methods about the slot ' s electromagnetic scattering are studied and analyzed in this thesis. these methods include the quasi - static approximation formulation applied in 2 - d infinite long slot, the 2 - d slot scattering analysis based on integral equation and the method of moments, a physical basis formulation for a finite - length trough, and a quasi - static approximation combined with travel wave ' s scattering calculated scattering from a 3 - d crack. through many examples, these methods " characteristics are discussed

    本文通過不同的模型研究分析了縫隙電磁散射的多種基本演算法,包括二維無限長窄縫的準靜態公式、基於積分方程和矩量法的二維縫隙的散射分析、有限長直縫散射計算的物理基公式及準靜態近似結合行波散射計算三維縫隙的散射等,並通過算例,討論了這些演算法的特點。
  19. Signal forming and different demodulation of gmsk baseband signal are mainly discussed in the dissertation. gauss filter, phase integral, sin table, matched filter, calculate angle, bit - synchronization 、 output filter 、 a / dd / a and etc of gmsk baseband signal are carefully studied through software emulation in systemview environment. the modulation and demodulation of gmsk baseband signal are carried out by the way of using tms320vc549 of ti to integrate software and hardware

    本文重點討論了gmsk基帶信號的形成以及gmsk基帶信號的差分解調,系統在systemview的環境下進行了軟體模擬,通過對系統的模擬工作,仔細的研究了gmsk基帶信號的高斯預濾波器、相位積分、 sin查表、匹配濾波器、相角計算、位同步、幀同步、輸出濾波、 a / d和d / a等。
  20. This dissertation applies 3 - d finite element theory to development of the shape functions and stiffness matrixes of the triangular prism isoparameter elements ( 6 to 15 nodes ). a calculating method for gaussian integral in triangular prism is presented. the stress field in welded steel structures can be computed by the triangular prism isoparameter elements ( 6 to 15 nodes ) and hexahedron isoparameter elements ( 8 to 21 nodes )

    本文應用三維有限元理論,構造了一類五面體6 15節點單元的形函數,提出了在五面體單元內的gauss積分處理方法,建立了相應的單元剛度矩陣,將其與六面體8 21節點單元結合,可用於計算焊接鋼結構的應力場。
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