numerical correction 中文意思是什麼
numerical correction
解釋
數字改正- numerical : adj 數字的；數值的；用數字表示的。 （a） numerical order 號數。 a numerical statement 統計。 the ...
- correction : n 修正，改正；校正；矯正；〈古語〉懲罰；勘誤表，補正。 a copy disfigured by numerous corrections ...
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Abstract : the effect of correction of self - consistent potential on electronic structure in simple cubic nanocrystal particles is calculated by means of the green ' s function method in the tight - binding approximation, taking only the nearest neighbor matrix elements into account. the numerical results show that the electronic energy spectrum is shifted, the chemical potential is not equal to the atomic energy level, the electronic density at each lattice point is changed, and the variation of electronic density at surface lattice point is the largest
文摘:在緊束縛近似下，只計及最近鄰的矩陣元，採用格林函數計算了自洽勢修正對簡立方納米晶體顆粒的電子結構的影響，發現電子能譜發生了移動，化學勢不等於格點原子能級，各格點的電子密度也發生了變化，其中以表面格點的電子密度變化最大。 -
It adopts reynolds time - average n - s equation and k - ? turbulence model to calculate the inner 3 - d viscid turbulence flow of centrifugal pump. in the unstructured grid, the governing equations are discretized with finite volume method based on finite element method. then the pressure correction method is used to carry out numerical calculation
而後採用基於雷諾時均n - s方程與標準-湍流模型來求解離心泵葉輪內三維粘性紊流，在非結構化網格中，採用基於有限元的有限體積法對方程進行離散，用壓力校正法進行數值求解。 -
Numerical models are frequently used to simulate water flow in hydraulic engineering. shallow water equations are basic governing equations with assumption of the velocity distribution uniformly in vertical, so they have some limitations on the simulation of some plane flows, such as wind - induced flow, curve river flow and flow nearby the submerged dikes. for above - mentioned reasons, extended shallow water equations are developed by introduction of momentum coefficient, correction of convection and bed resistance in equations of motion
在水利工程中經常需要採用數學模型模擬水流的流態，淺水方程是進行平面流態模擬計算的基本控制方程，但因其忽略了流速垂線分佈的不均勻性，在模擬某些平面流態（如風生流動、河灣水流、潛壩等工程附近的流動）時存在一定的局限性。 -
The effect of range correction system of long - range rocket adopting sins is analyzed through numerical simulation
通過數值模擬的方法，研究了採用捷聯慣導技術后遠程火箭射程修正效果。 -
Thermodynamic couple numerical simulation of ring compression of pure aluminum and tube extrusion of superalloy gh4169 is done by adopting the constant friction model and the present friction model in the paper. numerical results are compared with experimental investigations to validate the correction and nicety of the present friction model of bulk metal forming processes. the accuracy of the finite element simulation of bulk forming processes can be improved by adopting the present friction model
採用二次開發msc . superform軟體，對純鋁圓環鐓粗和高溫合金gh4169管材擠壓過程進行了熱力耦合數值模擬，比較了採用本文提出的多因素摩擦模型和常摩擦模型對圓環鐓粗和管材擠壓過程變形行為的影響，通過與實驗結果的比較，驗證了本文的摩擦模型及其參數值的正確性，也說明了多因素摩擦模型提高了有限元模擬的精度。 -
The correction methed mentioned above, employed in this paper can assimilate tbb data to numerical model directly, and it has phisical significance clearly other than regressive method also. 2 ) the experiments verify that correction method gives better results than conventional regressive method in intensively convective zone
而且模擬試驗結果也表明，用t _ （ bb ）資料溫度訂正法和在較強對流雲區t _ （ bb ）資料相對濕度增強訂正方法可取得比傳統的統計反演方法更好的效果。 -
According to experiment condition, calculated the numerical value of sound field distributing, when analyzing the distributing of three dots body in same plain, we must do point correction. it is indicated that the sound distributing of numerical value and correction ' s is comparative. 3
根據實驗條件進行了聲場分佈的數值計算，在分析聲場中同一物面上三點物經變換后的聲場分佈時，因考慮到聲場分佈的指向性，進行了聲場分佈的指向性修正，結果表明數值計算的聲場分佈和修正後的聲場分佈是相當的。 -
The results of strehl ration calculation after low - order modes and tilt part correction at varies atmospheric turbulent intensity and phase spectrum descend efficiency are discussed detailed. the effect o. f laser beam transmission in the turbulent atmosphere with 4 - dimension numerical analog program as well as phase compensation for adaptive optics are studied
利用激光大氣傳輸四維數值模擬程序和實測的大氣參數對激光大氣傳輸湍流效應及其自適應光學相位補償進行了數值模擬研究，並進行了校正低階模式波前誤差的實驗研究。 -
In order to improve the accuracy and efficiency of numerical prediction, a semi - adaptive and layer - patch refinement method based on the idea of adaptive mesh refinement ( amr ) is proposed and applied to the numerical simulation of wind flow around buildings based on the pressure correction iterative algorithm
為提高數值模擬解的精度，將適應性網格局部加密（ amr ）的思想應用到採用壓力校正迭代演算法的建築風場模擬中，並提出了一種半自適應的層塊網格加密方法。 -
Abstract : this paper describes the boundary element numerical solution technique for high - density resistivity two - dimensional topographic correction, with examples given illustrating its application to two - dimensional topographic correction in detecting underground gas pipes
摘要給出了高密度電阻率法二維地形改正的邊界元數值解法及其探測地下煤氣管道時進行二維地形改正的應用實例。 -
Some numerical results presented in this paper indicate the effect of symmetric correction is close to transmitted correction when imaging for object surface and non - thick and non - dense objects, however, the former supports back scattering imaging which is not supported by the latter
計算機模擬的結果表明，在對物體表面或密度較低的物體進行成像的情況下，對稱校正的效果接近於透射校正，但它可以用於背散射成像，這是透射校正所無法實現的。 -
According to the engineering practice, a multi - target based secondary correction control law is promoted and further verified by numerical simulations. the effects of frequency characteristic are researched which reduced by length, thickness and the placement. controllability optimization criteria of actuators ’ configuration are studied with a new controllability energy based criteria integrated, and optimization result is got
2 、壓電驅動器位置優化配置問題的研究，主要研究了壓電驅動器的長度、厚度和配置位置點對系統頻率特性的影響，在基於可控度配置準則方法上，組合一種新的配置準則，並通過模擬得到最優配置位置。 -
Based on the response theory of an elastic earth to surface loads and the model of the standard atmosphere, the characteristics of changes in the loading effects with time, space and frequency are comprehensively investigated in this dissertation. the numerical results obtained in this study can provide accurate atmospheric correction models for high - precision continuous measurements of the geophysical fields such as gravity, tilt, displacement and strain on the earth ' s surface
本文基於彈性地球對表面負荷的響應理論和標準大氣模型，綜合研究大氣負荷效應的時間、空間和頻率特徵，為地表重力、傾斜、位移和應變等物理場的高精度連續觀測提供精密大氣影響改正模型 -
Firstly, the theory and characteristic of comgis is studied. secondly, the key techniques, such as map digitalization, autocad dxf file conversion, computational gridding, methods for interpolation, the 3d terrain visualization, and the results correction, are introduced. and lastly, a framework on numerical modeling is implemented and applied in a practical research work on coastal engineering
本文首先介紹了組件式地理信息系統的原理和特點；接著重點討論了前處理過程中各種關鍵的技術，包括地圖數字化技術、數字地圖數據讀取方法、計算網格生成技術、插值方法的選取、地形可視化技術以及計算結果修正方法等；最後本文提出了前處理系統的設計框架，並結合一個海岸動力數值模擬的研究實例，討論了前處理系統的具體應用。
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