field calculation 中文意思是什麼

field calculation 解釋
現場計算
  • field : n 菲爾德〈姓氏〉。n 1 原野，曠野；（海、空、冰雪等的）茫茫一片。2 田地，牧場；割草場；〈pl 〉〈集...
  • calculation : n. 1. 計算，計演算法。2. 推定，預測。3. 深思熟慮，精打細算；慎重的計劃；算計。
  1. Introducing the theory and application of boundary element method on the sound radiation, giving the process of solving vibration noise radiation problem using boundary element analysis software ; presenting the coupling theory and the combination analysis of finite element method and boundary element method, and doing relevant analysis based on close drum shell ; programming the noise data simulation program using the numerical calculation software, simulating the acoustic and pressure data of a key point in the transient response acoustic field of the close drum shell, realizing the audibility of the noise, using the virtual reality tools to simulate the vibration noise of the drum shell ; combining the finite element method and boundary element method to analyze the vibration noise radiation of some gear box, and completing the whole simulation process of the vibration noise of the gear box

    綜合介紹了邊界元法在聲輻射問題上的理論及應用；並給出了運用邊界元法分析軟體求解振動聲輻射問題的過程。闡述了有限元法和邊界元法的耦合理論及組合分析方法，並以封閉鼓形薄殼為分析對象進行了相應的分析。利用數字計算軟體編制了噪聲數據模擬程序，並模擬了通過組合方法分析封閉鼓形薄殼瞬態響應聲場而獲得一關鍵點的聲壓數據，實現聲音的可聽化，隨后通過虛擬現實工具實現了該情形下橢球殼振動噪聲的虛擬模擬。
  2. Analysis on accurate calculation of seam reserves at coal field survey

    勘探階段煤層儲量精確計算分析
  3. Surveying of geological sections of tailings dams and its effect on seepage field calculation

    尾礦壩地質剖面概化及其對滲流場計算的影響
  4. Magnetism and crystalline electric field calculation of kondo lattice system cept2 si1 - xgex

    2的磁性和晶體場計算
  5. The main focus concentrates on the two most time consuming arithmetic in finite field calculation, field inversion and field multiplication. by analyzing in detail the performance of algorithms in composition fields, we have drawn a conclusion that the time consuming of square is less than that of multiplication with itself

    在對復合域中的演算法進行詳細分析后發現，多項式平方運算比元素自乘有更好的時間特性，因此盡可能地用平方運算替代自乘運算是在復合域中進行演算法優化的主要手段。
  6. Generally, the electron and photons become entangled as the electronic wave packet evolves. if initial photon state is a coherent state and we neglected the transferred photons then the quantized - field calculation is equivalent to the semiclassical calculation

    當初始光子態是相干態，且忽略轉移的光子數時，電子與量子場系統之間不存在相關性，這種情況下量子場計算與半經典計算等價；當初始光子態是f 。
  7. As the 3d electromagnetic field calculation region of the tfpm is not suitable for the periodic condition, the calculation must be done for the whole region. it takes too much time. firstly, a method is adopted to simplify the 3d model with periodic condition

    本文的工作主要包括以下幾部分內容:首先對本文研究的橫向磁通電機的三維電磁場分析模型進行了簡化，提出了對不符合周期條件的求解區域在工程設計允許的范圍內進行簡化處理的方法，同時對商業軟體進行了二次開發，編制了周期條件處理程序，減少了三維電磁場計算時間。
  8. Finite element preprocessor, eddy current electromagnetic field calculation, the postprocessor and the visualization processor were integrated together in the software system, and good graphic user interface was also offered

    該系統將有限元前處理、渦流電磁場計算、滲碳層深度逆問題求解及計算結果的可視化處理結合起來，提供了良好的用戶界面。
  9. The relation between the dimensions and performance studied in this paper. the orientation to obtain better performance is given. from the electromagnetic field calculation, it finds out that the flux leakage in the side surface is large. under this direction, a additional magnetic motive force is given against the flux leakage

    通過對橫向磁通永磁電機的電磁場分析計算，發現橫向磁通永磁電機轉子端面漏磁通占漏磁通比例很大，在計算結果的指導下採取了在漏磁通磁路中提供一個與漏磁磁勢相反的磁勢的方法來降低漏磁通取得了預期效果。
  10. Using the solution of three - dimensional fem iteration method makes 3 - d temperature field calculation of water pipe cooling in high rccd more precise. 4

    採用三維有限元迭代解法，能夠精確地實現有冷卻水管高碾壓混凝土壩溫度場的三維模擬計算。
  11. Hence, they that flow field calculation and dynamical computation of fluid - solid coupling dynamic characteristics are carried out to search flow law in the hydraulic turbine, optimize the design of scroll casing, guide vane, blade and draft tube, and they can apply useful to the monitoring and fault diagnosis system of hydroelectric set as well

    因此，為探求水輪機內部的流動規律，優化水輪機設計，為水輪機的安全穩定性運行和機組的故障診斷提供幫助。對導葉內部的流動進行流場計算和流固耦合振動特性的動力計算就顯得十分必要。
  12. Discussion on temperature field calculation in freeze sinking method

    凍結法鑿井施工中溫度場計算探討
  13. Electric field calculation and structural parameter determination of resistance divider

    電阻分壓器電場計算及其結構參數的確定
  14. The content in the paper includes two parts. one is the fluid field calculation

    本課題主要內容分兩部分，第一部分是流場的計算。
  15. This paper is focused on how to establish mathematical model of vectoring nozzle on the basis of flow field calculation

    本文的研究就是針對矢量噴管數學模型的建立開展的。
  16. The calculation speed over finite fields greatly affects the performance of ecc implementation. so, to find a fast algorithm for finite field calculation becomes a hot field in recent cryptography researches

    Ecc中有限域上運算的速度極大地影響ecc實現速度，尋找有限域快速運算演算法也就成了近年來密碼學研究的一個熱點領域。
  17. In this paper, we brought forward the concept of ergodic matrix over finite field f _ q, simply discussed theory of finite field including property theory of finite field, calculation in finite field and construction from low - degree finite field to high - degree finite field. there are important applications in encryption because operations in the finite field has many characteristics such as without carrying bits, equal bits and without rounding error

    文中首先引入了遍歷矩陣的概念，接著對f _ q上遍歷矩陣的性質進行了分析，闡述了遍歷矩陣的判定定理，並根據遞推關系給出了構造f _ q上遍歷矩陣的演算法，最後提出了強壯矩陣的概念並初步探討了尋找強壯矩陣的演算法。
  18. These equations are verified by the measure data in nantong section in yangtse river, and the results are satisfied. on the base of the vertical mixing law, the part depth homogeneous mixing 2d numerical model has been developed, and it was used in the concentration field calculation. by use of the measure data of rbodemine - b tracer in yangtse river estuary, the comparison of value calculated with data measured has been made

    該模型去掉了傳統的全場水深平均二維模型污染源一出排放口便在水深方向上均勻混合的假設，而將計算水域劃分為污染物濃度在垂向上達到部分水深均勻混合及全水深均勻混合兩個區域，並將上述有關部分水深均勻混合及全水深均勻混合的基本規律的研究成果應用該模型中。
  19. In chapter 2, gives a brief introduction to the basic theory of induction heating technique ; a mathematical modal is developed to describe the distribution of electromagnetic field and eddy current density in the long solid cylinder billet of induction heating. the general question of eddy current field calculation and the weakness of design theories for induction - heating coils that has won great popularity in engineering are pointed out

    第二章：介紹了感應加熱的基本原理，推導了感應加熱工件內電磁場與渦流分佈的理論公式，對感應加熱渦流場計算的一般問題、傳統感應加熱工程工程設計計算的不足以及電磁場數值計算方法作了介紹。
  20. In this paper, we brought forward the concept of ergodic matrix over finite field fq, simply discussed theory of finite field including property theory of finite field, calculation in finite field and construction from low - degree finite field to high - degree finite field

    本文引入了有限域上n階遍歷矩陣的概念，對遍歷矩陣進行了初步的探討，給出了遍歷矩陣的一些定理及構造遍歷矩陣的遞推關系式，討論了其難破解性。
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