通量函數 的英文怎麼說

中文拼音 [tōngliánghánshǔ]
通量函數 英文
flux function
  • 通 : 通量詞（用於動作）
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  • 函 : 名詞1. [書面語] （匣; 封套） case; envelope 2. （信件） letter 3. （姓氏） a surname
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 通量 : [物理學] flux; shower
  • 函數 : [數學] function函數計算機 function computer; 函數計算器 function calculator; 函數運算 functional operation
  1. And finally, with hllc and lax - friedrichs type approximate riemann solver for discretising conservative equations and a nonconservative equation, a simple accurate and fully eulerian numerical method is presented. compared with the numerical results of hll scheme, the hllc scheme has a high resolution for shock waves and avoiding the nonphysical oscillation of the hll scheme

    最後用lax ? friedrichs格式及hllc格式作為通量函數對守恆一維euler型方程組進行了離散，並將數值模擬結果和saurel的hll格式模擬結果進行了比較，發現：在兩相流數值模擬過程中，相對來說hllc格式對激波的解析度最高，結果最穩定，避免了hll格式在間斷處的非物理性數值振蕩。
  2. Journal of the royal statistical society, series b, 1977, 39 : 1 - 38

    通過分析可知，這一結果等價于尋求兩空間中度量函數的bregman距離最小化。
  3. Compared with the classical bp algorithm, robust adaptive bp algorithm possesses some advantages as following : ( 1 ) increasing the accuracy of the network training by means of using both the relative and absolute residual to adjust the weight values ; ( 2 ) improve the robustness and the network convergence rate through combining with the robust statistic technique by way of judging the values of the samples " relative residual to establish the energy function so that can suppress the effect on network training because of the samples with high noise disturbances ; ( 3 ) prevent entrapping into the local minima area and obtain the global optimal result owing to setting the learning rate to be the function of the errors and the error gradients when network is trained. the learning rate of the weights update change with the error values of the network adaptively so that can easily get rid of the disadvantage of the classical bp algorithm that is liable to entrap into the local minima areas

    與基本bp演算法相比，本文提出的魯棒自適應bp演算法具有以下優點： （ 1 ）與魯棒統計技術相結合，通過訓練樣本相對偏差的大小，確定不同訓練樣本對能量函數的貢獻，來抑制含高噪聲干擾樣本對網路訓練的不良影響，從而增強訓練的魯棒性，提高網路訓練的收斂速度； （ 2 ）採用相對偏差和絕對偏差兩種偏差形式對權值進行調整，提高了網路的訓練精度； （ 3 ）在採用梯度下降演算法對權值進行調整的基礎上，通過將學習速率設為訓練誤差及誤差梯度的特殊函數，使學習速率依賴于網路訓練時誤差瞬時的變化而自適應的改變，從而可以克服基本bp演算法容易陷入局部極小區域的弊端，使訓練過程能夠很快的「跳出」局部極小區域而達到全局最優。
  4. It is true that calculations with vectors and vector functions are often made by resort to descartesian components.

    的確，向量和向量函數的演算通常是依靠笛卡兒分量來做的。
  5. The process control in an automatic control system is usually carried out by adjusting feedback of increments ; therefore, the electronic simulation of increment function can be used to study the performance of a system instead of practical system, the research expenses can be cut down and the hard and danger at the experimental site can be avoided

    摘要自動控制系統中的過程式控制制，都是通過增量回饋調節實現的，因此，若將其增量函數直接進行電模擬，並以該電模型代替實際系統進行系統的性能研究，則能大量減少研究經費的投入和避免過多現場實驗可能造成的危害。
  6. The paper point out that the most important risk is the redeem risk in the management of the open - ended fund, so the fund manager can reply on the management of redeem risk to the liquidity risk. according to the specialty management in the liquidity risk of the open - ended fund, there are three aspects : the first is that the fund holder structure problem ; the second is the restriction of the fund investment object and the problem assets assignment

    然後利用我國開放式基金的數據，通過granger因果關系檢驗得出了股票指數對開放式基金贖回風險有顯著影響的結論;由此構建出開放式基金的贖回資金量函數和流入資金量函數，並且得出相應的留存現金的決策模型和應對贖回風險的策略，並指出基金經理可以通過資產和負債兩個角度來對開放式基金進行流動性風險的管理。
  7. Under the light of energy function method, angle instability and voltage instability can be thought as different unstable mode, and be distinguished from each other by characteristic of uep

    在能量函數法的思想下，功角穩定和電壓穩定的關系可以通過不穩定平衡點模式來研究，並由不穩定平衡點模式的不同而區分出兩者。
  8. On the basis of the field data of water temperature, a new formula for estimating water temperature of river by using meteorological factors is put forward by using the method of least squares

    摘要結合某流域水溫原型觀測資料，通過分析水溫與氣溫、太陽輻射、濕度和風速之間的相關關系，採用最小二乘法建立了水溫與氣溫、濕度和風速三者之間的多變量函數方程式，提出了一種利用氣象因子估算天然河道水溫的新公式。
  9. To machine the honeycomb sandwich, an interpolation method based on a rotary axis is also studied. with the round vector function and rotary movement group, a model of the error curved surface of the theoretical ellipsoid is set up to describe the actually measured surface

    以圓矢量函數和回轉運動群為工具討論了曲面的誤差變換，利用理論橢球面的誤差曲面建立了實測曲面的數學模型，通過求解理論曲面的法線實現了實測曲面的等距計算和陰陽面數據轉換。
  10. The function parameter matrices were used to quantify the coordination and synergies in human movements, which is useful for the analysis of human movement control mechanism

    通過函數參數矩陣對人體運動協調規律和協調元進行了量化描述，為揭示人體運動控制機理提供了手段。
  11. A developed simple m - s model for image segmentation in geometric active contour model is presented based on intra - region similar and inter - region dissimilar properties. the model constructs an energy ( cost ) function, which is made of intra - region variations and weighting squares of subtraction of region mean values. using gradient - descent methods, the energy function is minimized and we get a curve evolution equation that segments image

    基於區域內一致性加權區域間差異性構造能量函數，利用最陡梯度法使能量函數最小化，提出了一種改進的簡化mumford - shah （ m - s ）圖像分割模型，該模型利用區域內方差描述區域內一致性，區域間平均灰度值之差的平方描述區域間差異性，實驗結果表明，通過調節加權系數，該模型對弱邊界圖像分割具有較強的適應性。
  12. According to the dirac constrain theory and the extended condition, we deduce the gauge generators, show the brst transformation of ( 1 + 1 ) dimension o ( 3 ) non - linear model under the new general condition. we first gain the new general commutation relations of ghost field, deduce the brst charge from gauge generator, complete the general brst quantization of the model, get green function, connecting green function and generating functional, gain three kinds of ward identities. at last, we complete the brst quantization of o ( 3 ) non - linear model with topological term in ( 1 + 1 ) dimensions space - time

    最後依據dirac約束規范理論和推廣的條件，導出了規范生成元，推導出了1 + 1維o （ 3 ）非線性模型的新的一般條件下的brst變換，給出了其brst變換與dirac規范變換的等價性，首次得到了鬼場的一般對易關系，且其一般參數為零時就回到通常的鬼場的對易關系，第一次由規范生成元導出了brst荷，進而完成了此模型的一般的brst量子化，並在此基礎上進一步導出了此系統的green函數、連通green函數生成泛函和正規頂角生成泛函，獲得了三種不同的ward恆等式。
  13. Abstract : in this paper, we investigate some properties of cone - continuous vector - valued functionsand the greatest cone lower bound, and prove the connectedness of the cone efficient solutionset for a cone - continuous vector - valued cone - quasiconcave function under the condition thatthe image set is cone - convex

    文摘:本文討論了錐連續函數及錐最大下界的性質，在此基礎上討論了錐連續錐擬凹向量函數最大化問題有效解集的連通性，證明了當象集為錐凸集時錐有效解集是連通的
  14. They may get so long that they reach the threadlimit ( especially if you mix the order a lot, like first scripting a part of the scene that happens towards it ' s end and then a part that comes before it, since in that case the system wastes a lot of function calls looking backwards through the database searching for where to insert the new action ) and end without executing fully

    它們可能長到達到邊界（特別是當你混合了很多命令，像最初的腳本一部分場景在它結束后發生並且一部分在它之前出現，因而在那種情況下，系統浪費了大量函數通過數據庫來搜尋以找出在哪插入新動作） ，並且沒有完全執行就結束。
  15. A novel method of content - based image segmentation using deformable template matching is proposed. a two - dimensional ( 2 - d ) deformable template based on orthogonal curves is built by pre - computing extensions of the deformable template along orthogonal curves and sampling the curves uniformly. then the definitions of internal and external energy functions are given according to the image segmentation problem, and genetic algorithm is used to obtain globally optimal solutions. the proposed method uses a lower - dimensional search space than conventional methods and reduces the sensitivity of the algorithm to initial placement of the template. experiments on real - world images and in simulations at low signal - to - noise ratio show the robustness and good performance of the method

    本文提出一種採用可變形模板匹配技術進行基於內容的圖像分割演算法.通過預先計算出可變形模板沿著變形的正交曲線，並對模板曲線及正交曲線進行離散抽樣，建立一基於正交曲線的二維（ 2 - d ）可變形模板，針對圖像分割問題定義控制可變形模板進行變形的內、外部能量函數，本文採用遺傳演算法搜索能量函數最小的全局最優解.該新演算法比傳統的可變形模板匹配方法降低了搜索空間的維數，減少了演算法對模板初始位置的敏感.對實際圖像及模擬低信噪比圖像處理的結果表明，新演算法具有良好的分割精度及穩定性
  16. In order to apply the central scheme to higher mach number flows, the sensor about pressure or temperature are modified with some tvd - like properties. modification to van leer scheme about the energy component can preserve a constant total enthalpy in the steady flows

    對vanleer格式中的能量分裂式進行改進，使其在定常流動中總焓守恆；採用統一的通量矢量函數，最大程度地實現了流場程序向量化，計算效率得以提高。
  17. Though studying some formulas in theory of probability, we give the formula conditional probability in complete event set and a simplified formula for density ' s function in two random variables, they offer new methods in calculation

    摘要通過對概率論中有關公式的研究，給出了全條件概率公式和二維隨機變量函數的密度函數的簡化計算公式，為其計算提供了新的方法。
  18. At last, the edge detection is turned into the minimization of the total energy through making a new energy function and adaptively adjusting the weighting parameter

    4 ）通過構造新的能量函數和自適應地調節參數因子，將邊緣檢測問題轉化為求解總能量最小的問題。
  19. A distinguishable faults test generation method for digital circuits is presented. the features of basic gate circuits and neural networks are used to establish the test model, and to generate the test patterns for given faults. the fault model and constrained circuit are studied. some strategies, e. g, the reduction of the size of neural network, are proposed in order to accelerate test generation process. the experimental results demonstrate that the algorithm proposed in the paper is effective

    研究一種基於人工神經網路的能區分故障的數字電路測試生成方法，該方法利用電路基本邏輯門的特性和神經網路模型的特點，首先建立測試生成的神經網路模型，然後通過求解網路能量函數的最小值點獲得給定類型故障的測試矢量，其研究結果在可區分故障的測試生成方面提供了一種可能的新途徑
  20. Motivated by this fact and peng ' s promising result, we utilize a special algebraic transformation, namely logarithmic transformation, to establish a non - infeasible long - step primal - dual path following algorithm. this algorithm arrives at the primal - dual solution set along the steepest descent direction of primal - dual

    第七章，通過構造一個新的鄰近度量函數，提出一個具有自調節功能的原一對偶路徑跟蹤內點演算法，並將其與線性規劃軟體lipsol和彭等人的m 。
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