scale equation 中文意思是什麼

scale equation 解釋
標度方程
  • scale : n 1 (尺、秤等上刻劃的)分度,度數,標,標度,刻度;尺寸;尺,尺度。2 【音樂】(標度)音階;音列...
  • 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. As an example, the implementation of the laplace equation with the gridless method has been presented at first and the resulting large scale matrix equations are solved by gmres algorithm. the numerical simulations of the flows over a cylinder are tested successfully with clouds of different scales, which shows the " cloud " effects on the computational accuracy

    本文先以代表定常不可壓位勢繞流的laplace方程為例,研究了laplace方程的無網格離散形式,並運用gmres高效演算法對其快速求解,數值模擬了典型的圓柱繞流;並通過不同點雲尺度的數值模擬,顯示出點雲尺度對計算精度的影響。
  2. Because of the large scale of the p / g routing network in the memory chip layout, general linear equation group resolving algorithms for calculating the equivalent resistance between the nodes cannot satisfy the restrict of both memory space and running time simultaneously

    摘要由於存儲晶元版圖p / g網規模的巨大,對于計算電阻網路中節點間等效電阻問題,直接利用常規線性方程組求解演算法無法同時滿足內存空間與運行時間上的限制。
  3. By means of c - language, the paper has developed a large - scale computer program, in which the combination of both the newton iteration and the gradient method is introduced to solve reynolds equation and film thickness equation, and the march method is used to solve the energy equation and heat interface equations, the satisfactory results are obtained

    本文採用c語言編制了大型計算機程序進行數值計算,數值計算中採用梯度-牛頓聯合法求解reynolds方程和油膜厚度方程,採用步進法求解能量方程和熱界面方程,獲得了滿意的數值結果。
  4. To the large - scale atmosphere, we separate the terms of the horizontal vorticity converting into the vertical vorticity, which considered as the baroclinic terms, from the terms that not including horizontal vorticity by the rules of the p coordinate transforming to the z coordinate in the traditional vorticity equation, and carry out the scale analysis, and then conclude that the baroclinic terms are able to reach the same magnitude grade as the partial derivative of the vertical vorticity to time when it takes place the large scale precipitation in the summer monsoon period in china. by analyzing the game reanalysis data from april to august in 1998 in the region of chinese continent, we found that the baroclinic terms is important to the large - scale cyclone developing above the 600hpa, and the magnitude changing of the baroclinic terms is nearly in - phase as the monsoon movement, so which imply exactly that the magnitude changing of the baroclinic terms is the one of the natural characters of the summer monsoon evolution and equivalent to the movement rule of the subtropical high of the western pacific

    在p坐標垂直渦度方程中,利用p坐標向z坐標轉換的公式將水平渦度向垂直渦度轉化的所有項分離出來,這些項具有明顯的斜壓特徵,對其進行尺度分析后,得出在可以忽略潛熱釋放對渦度影響的對流層中、高層,此轉化項是大尺度斜壓渦度發展的重要項。通過對1998年48月的game再分析資料進行實際計算也發現,轉化項在東亞夏季風上升支的600hpa及以上層次對垂直渦度的局地變化貢獻很大,不能忽略。同時發現水平渦度向垂直渦度的轉化在南海季風爆發時和江淮梅雨入梅及發展過程中均有指示性意義,在南海季風爆發以後,在中國東南部地區,轉化項的大小與夏季風的活躍和中斷等活動有著幾乎一致的變化規律,這從側面也指出了,此轉化項的變化是夏季風演變所具有的本質特徵,並且它反映出了西太平洋副高在中國大陸的活動情況。
  5. The equation shows that 9 finance index have important relationship with default ratio, they are roe, debt ratio, asset turnover ratio, gross profit ratio, scale of assets, currency ratio ( [ currency + marketable securities ] / current liability ), debt structure ( current liability / total debts ), currency / daily revenues and quality of assets ( accounts receivable / total assets )

    回歸方程表明,違約率與以下9個財務指標的組合密切相關:凈資產收益率、資產負債率、總資產周轉率、毛利率、資產規模(資產總額對數) 、現金比率(現金類資產流動負債) 、債務結構(短債總額債務總額) 、日銷現比(現金與有價證券日銷售額) 、資產質量(應收賬款資產總額) 。
  6. Inside the scope of the defined it plate, according to the theoretic mode which describes the relationship of the scale of the stock market and the incensement of economy, the paper establishes a time series regression model. in the regression equation, the independent variables are numbers of broad sense chinese it listed companies ; the dependent variables are added values of it industries

    在界定完成的信息技術板塊范圍之內,參照股市規模與經濟增長關系的理論模式,本文建立了以廣義信息技術產業上市公司數量為應變量,以該產業增加值為解釋變量的時間序列回歸模型,所取的時間截面為1992 ? ? 2000年。
  7. From the dongying formation ( ed ) to neogene, the shahejie formation was located in the late diagenetic stage a1 ~ a2 ; the oil and gas pools formed in a wide scale. at present the lower e2s3, with overmatured source rocks and low porosity reservoir rocks, gets into the late diagenetic stage b - c in the northern qibei sag where is not favorable for petroleum accumulation, but the others of the shahejie formation are locate still in the late diagenetic stage a1 - a2 and propitious to form oil and gas pools based on the diagenetic numerical modeling under the condition of overpressure, we build a multiple unit cubic equation model for porosity prediction, as the result of the application of qibei sag, the prediction error is less than 2 %, and the precision excess that of foreign same model

    歧北凹陷的模擬結果表明,在沙河街組沉積末沙河街組三段就進入晚成巖階段a _ 1期,油氣藏開始形成;在東營組沉積時期晚第三紀,沙河街組大部分地層處于晚成巖階段a _ 1 a _ 2期,生、儲、蓋層發育,是其主要成藏期;現今在歧北凹陷北部沙三段下部進入晚成巖階段b c期,儲層物性較差、不利於成藏,其他層段仍處于晚成巖階段a _ 1 a _ 2期,有利於油氣藏的形成。
  8. The exact solution of the einstein field equation is gained under the popular conditions when , the new general expression of the density function is deduced. , the new solution of the cosmic scale factor is further derived out under different evolution model

    求解了當時一般情況下標準宇宙模型方程,通過一般地求解不同密度物質情況下的暴漲宇宙演化方程,得到了的一般物質密度的表達式,解出了表徵宇宙標度因子不同演化的一般新解,並通過對不同情況下標準宇宙方程的求解,證明參數的正負取值直接影響宇宙尺度因子的表達形式。
  9. The two - equation turbulence models can be thought to consist of two more or less separate parts : the scale determining model, which provides scalar information about the turbulence, and the constitutive model, which determines the reynolds stress tensor

    所涉及到的兩方程湍流模型一般包含兩部分:一是尺度標定模型,它給出了湍流的標量信息,如兩方程模型的尺度因子,或者。
  10. The direct optimal model of multi - objective mixed discrete variables for lager - scale water supply system was established, by replacing complicated network hydraulic equation with nodal pressures macroscopic model and relationship model between pump stations flow and head in water supply systems without tanks or towers, genetic algorithm was developed to solve the direct optimal model

    以測壓點壓力宏觀模型、水源供水量和水源供水水頭之間的關系模型替代復雜的管網水力平衡方程,建立了大型供水系統的多目標混合離散變量的直接優化調度模型。在沒有水池和水塔的供水系統中,利用遺傳演算法對直接優化調度模型進行求解。
  11. Ph linearization method is employed to solve a nonlinear reynolds equation for a steady state and micro - scale flow field, and the approximate function expressions of gas dynamic pressure and velocity in the spiral groove are obtained

    摘要應用ph線性化方法、迭代法,近似求解了螺旋槽內穩態微尺度流動場的非線性雷諾方程,求得了氣體動壓和速度分佈的解析解。
  12. It ' s the next lecture actually which is about the elimination, which is the systematic way that everybody, every … a bit of software too, the production of large scale software would solve the equation

    實際上,下一講關于消元法,它是一種系統的方法,每一個人,每一個…用一點軟體,大規模的軟體產品來解方程。
  13. The sirt inversion operator can be applied to solve the large - scale sparse linear equation and velocity tomographic inversion can be performed based on direct arrival traveltime and accuracy could be 3 meters

    研究成功的sirt反演演算法可用於求解大型稀疏超定線性方程組,根據直達波旅行時進行速度層析反演,其精度可達到3米。
  14. In the course of modeling, we present multi - step generalized gradient method and multi - stage curve fitting technique, prove convergence of multi - step generalized gradient method by using differential equation stable theory, analyze the error of multi - stage curve fitting technique by using inner space, creat knowledge base of water network system by using the maximum subordinate principle of and near - select principle of pattern recognition. at last we make the optimal running scheme of water network system based on heuristic search technique of artificial intelligence and global feedback immediate coordination method of large scale system theory

    在建立系統模型的過程中,提出了多步廣義梯度法和多層曲線擬合的建模方法,並用微分方程穩定性理論證明了多步廣度梯度法收斂性,用內積空間的有關知識對多層曲線擬合進行誤差分析;應用模糊數學中的最大隸屬度原則和模糊識別中的擇近原則和人工智慧中狀態空間表示法建立注水系統的知識庫;用人工智慧中的啟發式搜索技術和大系統理論中的具有全局反饋的直接協調法制定注水系統的優化運行方案。
  15. For the present two les models, adopting the subgrid eddy viscosity concept and introducing the transport equation of turbulence energy k, the subgrid scale turbulence is parameterized by the turbulence energy k and the length scale of turbulence / ( k - 1 model ). in addition, vegetation is considered as an internal source of resistant force and turbulence energy

    在應用大渦模擬方法求解數值計算模型控制方程時,亞網格雷諾應力項沿用了亞網格渦粘性系數思路,引入亞網格紊流脈動動能k的輸運方程,建立了關于亞網格紊流脈動動能k和紊流特徵長度l的k - l模型求解。
  16. A new method for soving two - scale difference equation

    求解雙尺度差分方程的一種新迭代演算法
  17. It is shown that a system of linear equations is resolved to obtain the rotational parameters by using of seven couple of conic curves in image sequences when the motion of a rigid object is pure rotational. when the motion of a rigid object is pure translation, a system of non - linear equations is resolved using iterative method, or using the method for resolving quartic equation. the translation parameters with a scale factor may be determined and the translation direction can be obtained

    研究結果表明,在純旋轉運動分析中,最少利用圖像序列中7條對應二次曲線,可以線性地求解剛體旋轉運動參數;在純平移運動分析中,只需利用圖像序列中1條對應二次曲線就可以求解剛體相對平移運動參數(即平移方向) ,分別用非線性迭代法和一元四次方程解法求解了剛體相對平移運動參數(即平移方向) 。
  18. Accordingly, a new framework, which provides a common scheme for the numerical simulation on the macroscopic behavior of ferroelectrics though multi - scale analysis on the coupled thermo - electrics - mechanical behavior of multiphase in heterogeneous material, is induced to construct the effective constitutive equation of multiphase. in chapter four, based on the law of domain nucleation and domain wall motion of 1800 domain switching, a new scheme of domain switching and numerical simulation approach is put forward on the foundation of thermodynamics. driving traction, nucleation criterion, velocity of domain wall motion, kinetic relation and rate of domain switching in a single grain are given

    第四章以鐵電體1800疇變的過程中形核規律和疇界運動規律的實驗觀察結果為基礎,根據熱力學理論建立鐵電體疇變的理論框架和數值模擬方法;給出了單疇內疇變驅動力、新疇形核準則、疇界運動速度公式、疇變動力學的表達式,單晶的疇變速率公式;用細觀力學的觀點給出了對多晶鐵電體多場耦合的有效性質進行包含疇變速率影響的多尺度分析方法。
  19. Due to its character of microscopic scale motion, a very simple position kinematic equation is achieved. based on the equation obtained, the workspace of the serial - parallel micromanipulator is described, and the effect of different structural parameters on the workspace is also discussed. in order to evaluate the output errors caused by the structural errors and actuator errors, accuracy analysis is then conducted for this serial - parallel micromanipulator, and an approach based on software programming is presented for error compensation

    由於所研究的微操作機器人運動范圍很微小,機構結構誤差及驅動誤差都可能造成機器人的操作精度嚴重降低,為評價這些機構誤差對運動精度的影響,本論文以矢量法對該機器人機構進行了誤差分析,並討論了誤差補償的軟體法;此外,論文還進一步研究了遺傳演算法在並聯機器人機構學研究中的應用,為並聯機器人位置正解問題求解提出一種新思路。
  20. With theory analysis, similarity principle and similarity three - laws of hydromechanics, the paper applies methods of law analysis and equation analysis to give an assumptive condition of simulation and original mold ’ s geometry scale, with which to deduce parameters " simulation scale, and builds theory foundation for experiments of model

    在模型試驗階段,在理論分析的基礎上,藉助于流體力學相似性原理,應用定律分析法,以模型和原型的幾何比例尺為基礎,推導出各參數的相似比例尺,從而為模型試驗打下了理論基礎。
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