時間積分 的英文怎麼說

中文拼音 [shíjiānjīfēn]
時間積分 英文
integral time
  • 時 : shí］Ⅰ名1 （比較長的一段時間）time; times; days:當時at that time; in those days; 古時 ancient tim...
  • 間 : 間Ⅰ名詞1 （中間） between; among 2 （一定的空間或時間里） with a definite time or space 3 （一間...
  • 積 : Ⅰ動詞（積累） amass; store up; accumulate Ⅱ形容詞（長時間積累下來的） long standing; long pending...
  • 分 : 分Ⅰ名詞1. （成分） component 2. （職責和權利的限度） what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] （料想） judge
  • 時間 : time; hour; 北京時間十九點整19 hours beijing time; 上課時間school hours; 時間與空間 time and spac...
  • 積分 : 1. [數學] integral; integrate; integration 2. [體育] （積累的分數） accumulate points
  1. Sorting capacity at subic bay was doubled through facility expansion and enhanced automation for even faster document sorting. later that year, fedex strengthened service offering between asia pacific and europe with upgrade of md - 11 aircraft, doubling cargo capacity and expanding volume by 50 tons per day

    全新的設施面積達十四萬平方尺，貨件分類設施的面積提升至兩倍，並且增設了更先進的自動化系統，能縮短文件分類的時間，充分顯示聯邦快遞不斷努力拓展亞洲網路。
  2. Then the finite element equations are derived with the effective heat capacity method. common time - stepping method and precise time integration ( pti ) method are used to solve the equation

    然後基於等效熱容法推導了伴有相變過程的傳熱控制方程的有限元列式，並且分別研究了用常規的時間差分法和精細積分法求解上述有限元方程。
  3. Time integral of radionuclide concentration in air bq

    空氣中放射性核素的時間積分活度濃度貝可
  4. Targets in the radar ppi have the main property of the little area, a few targets and irregular change of grey. so it is difficulty to detect and track the target. the study of the radar ppi is very few inland and abroad. with the development and implement of high resolution radar and high resolution raster display, target _ tracking and detecitng based on the radar ppi will be feasible. it ' s great excellence is to increase time accumulation compare with the detecting techenicial of the traditional radar

    雷達ppi中目標的特點是面積小，目標或可能的目標多，灰度、形狀變化無明顯規律，所以檢測和跟蹤目標比較困難。基於雷達ppi的研究國內外甚少，隨著高解析度雷達和高分辨光柵顯示器的發展，基於ppi的雷達目標檢測和跟蹤成為可能。與傳統的雷達目標檢測技術相比，其潛在的優勢在於大大增加了信號的時間積累，因此有可能提高檢測性能。
  5. If the field changes slowly, we can replace the time integral by a line integral over the unperturbed orbit.

    如果場緩慢改變，我們能夠用未擾動軌道的線積分來代替時間積分。
  6. Time integrated whole body dose, thyroid dose, lung dose and skin dose

    2 .時間積分總人體劑量甲狀腺劑量肺劑量及皮膚劑量
  7. In this paper, we will introduce an accurate and stable method which bases on mot to solve dielectric objects and metal - nonmetal composite objects

    在本文文章中，介紹了一種基於時間步進法求解介質目標、金屬非金屬組合目標時域積分方程的精確，穩定的方法。
  8. Due to the importance of the accuracy of the time - domain impedance matrix elements, the techniques by which treating of the singular integrals and near singular integrals arose from the tdie - mom solving process are analyzed in detail, and these techniques are utilized to solve the tdie. in the end, using triangle patches discretizing arbitrarily 3 - d dielectric objects and metal - nonmetal composite objects surface and utilizing spatial rwg and temporal triangular bases, the tdie are solved by mot algorithm

    最後，分別對三維介質目標、金屬非金屬組合目標散射體表面用三角貼片離散，並在空間上採用rwg基函數，在時間上採用三角型時間基函數、利用阻抗元素的精確演算法計算出阻抗矩陣，再運用mot法分別求解了介質體目標，金屬非金屬組合目標的時域積分方程，並分析了金屬非金屬組合目標分界面上的等效電流與等效磁流的特性。
  9. Therefore it is started with the derivation of variational equation, full formulations including contact boundary conditions, internal forces of shell element are given, and the algorithms for contact - surfaces searching, contact - force computation, and even time integration for the response computation are listed as well

    為此，文中從推導變分方程開始，給出了包括接觸邊界條件、殼單元內力計算在內的全部列式，並列出了識別接觸界面的搜索演算法，接觸力計算以及動力響應計算的時間積分演算法的有關公式等等。
  10. Diastolic flow velocity time integrals, vti

    及舒張期血流速度時間積分
  11. Time integrated ground contamination ; and

    3 .時間積分地面污染量以及
  12. Because of the large advantage in the analysis of electromagnetic scattering and radiation problem, using the time domain integral equation ( tdie ) solving every structure of objects ’ scattering become to an important direction in computation electromagnetics, but the classical mot ( marching - on - in - time ) - based tdie solvers have a drawback : the late time stability problems

    由於時域積分方程對于分析電磁散射、輻射問題有著無可比擬的優勢，利用時域積分方程求解各種結構體目標散射成為計算電磁學領域中一個非常重要的方向。但是傳統的時間步進法求解時域積分方程存在致命缺點:后時穩定性不好。
  13. On the equation ( the equation is abbreviated ) with initial condition and periodic boundary condition a system of ordinary differential equations to time was built by the four - order difference method, then the precise integration method was used to solve the system

    摘要對于方程（方程式略）的初始值與周期邊值問題，利用四階差分化為關于時間變量的常微分方程組，然後採用精細時程積分法。
  14. Usually, single vector sensor will obtain infinite gain if noise energy flow can be counteracted in whole space

    在理想情況下，若噪聲場為各向同性噪聲場，則通過聲能流長時間積分，單個矢量水聽器便可獲得無限大的增益。
  15. Mainly by using the data of land meteorological observation and sun radiation of mohe area, heilongjiang province, which is located deciduos needlelaf forest area in north china from 2001 to 2002, this paper adopts bats ( biosphere - atmosphere transfer scheme ), accepted in the world, and radiation computing solution developed by zhou suoquan et al

    本文採用國際上公認的陸面過程模式（ bats ）和周鎖銓等的輻射計算方案，主要選取大興安林區落葉針葉林區的漠河來進行試驗分析。使用2001 2002年常規地面氣象觀測資料和太陽輻射資料，以6小時為時間積分步長，進行了陸面過程和植被生長過程的模擬試驗。
  16. Retrospective time integration scheme of diffusion equation

    擴散方程的回溯時間積分格式
  17. Compare to the conventional finite element method and common - used time integration methods, the space - time finite element method has some advantages in precision and stability

    與傳統的有限單元法和常用的時間積分法相比，時空有限元在精度和穩定性方面具有一定的優越性。
  18. ( 3 ) on parallel computing of the third generation ocean general circulation model from lasg / iap i ) we present an optimization model by multi - overlapping - boundary for parallel explicit integration with finite difference discretization, and point out that the gap between speed of network and cpu makes it a practical technique. we compare the parallel characteristics of spectral element and finite difference from the point of view of communications, communication - to - computation ratio and scalability

    （ 3 ）關于中科院大氣物理研究所第三代海洋環流模式的高效并行計算? ）基於對有限差分離散的分析，提出了一個面向顯式時間積分并行計算的多重疊國防科學技術大學研究生院學位論文邊界優化模型，指出了網路速度與處理器速度間的落差使得採用冗餘計算取代部分通信成為一種具有相對優勢的實用技術。
  19. The results verify that the chen ' s theory above still comes into existence in 1990s. secondly, by performing eight experiments with a high resolution barotropic model, which is integrated for 36 hours, the interaction between a mesoscale vortex and a typhoon vortex is investigated

    其次，用一個高解析度的正壓模式，實施8組時間積分為36h的試驗，分析中尺度渦旋和臺風渦旋的相互作用及其對臺風強度變化的影響，討論了初始中尺度渦旋空間尺度大小與臺風強度變化之間的聯系。
  20. The main numerical method of this code is coming from scheme ( jameson, schimit and turkel ) : using cell - centered finite volume method as spatial discretization tools, and a system of ordinary differential equations for time variable is obtained, which is solved by utilizing five - step runge - kutta scheme as time marching method, introducing artificial dissipation to damp high frequency oscillations near the shock and stagnation point

    本論文採用歐拉方程作為控制方程，利用中心有限體積法進行空間離散，得到對時間變量的常微分方程組，採用龍格庫塔多步法進行時間積分，加入人工粘性以消除激波和駐點附近的壓力振蕩等方法來對naca0012翼型的實際流動進行并行數值模擬。
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