adjoint of a 中文意思是什麼

adjoint of a 解釋
a點共軛矩陣
  • adjoint : 伴隨的
  • of : OF ＝Old French 古法語。
  • a : an 用在以母音音素開始的詞前〉 indefinite art 1 〈普通可數名詞第一次提到時，冠以不定冠詞主要表示類...
  1. The factorization of adjoint polynomials of a kind of graphs and chromatically equivalence analysis

    一類圖的伴隨多項式的因式分解及色性分析
  2. The numerical algorithm of solving the adjoint equations for different design cases have been developed by using finite volume methodology which is usually used to solve the flow governed equation. it includes the some important aspects, such as flux formulation, wall and far - field boundary treatment methodology, dissipative term formulation, etc. after the solution of the adjoint equations is obtained, the derivatives of the cost function with respect to all the design variables can be evaluated with the same operation. this can yields a significant saving over the other gradient - based techniques when there are many design variables

    （ 3 ）進行了應用控制理論和三維歐拉方程的機翼氣動反設計研究，以及有升力約束情形下機翼跨音速減阻問題研究，分別推導了相應的共軛方程及邊界條件數學表達形式，研究與發展了三維共軛方程的有限體積數值求解方法，及相應梯度公式的數值求解方法，通過對計算網格生成、流場計算、共軛方程數值求解、梯度求解和優化演算法等多方面的有效結合，成功發展了三維機翼的氣動反設計和跨音速減阻優化設計程序，成功地進行了多個設計算例研究。
  3. According to the integral characteristic of pvdf film, two pvdf sensors are designed to measure adjoint coefficient of sound radiation mode in this paper. based on the theory of sound radiation and two - dimensional modal sensors equation, and taking a simply supported plate as example, we measure mode l, mode 2 and mode 3 adjoint coefficient of its sound radiation by the sensors

    本文是在聲輻射模態理論以及兩維分散式壓電傳感器方程的基礎上，利用pvdf獨特的積分特性，以簡支矩形板為例，設計了pvdf壓電薄膜傳感器用於測量簡支板第一、二、三階聲輻射模態伴隨系數。
  4. The results of numerical experiments, using the four - dimensional variational data assimilation system of the nonhydrostatic mesoscale model mm5, show that : the tangent linear model and adjoint model conducted by keeping the " on - off " switches the same as the basic state, can provide a good approximation of the first - order information to the nlm perturbation and a good descent direction for the minimization procedure ; switching on and off at every other time step in the kuo cumulus parameterization scheme do n ' t impact the convergence rate of cost function ; the existence of the switches do n ' t impact improvement to the mm5 model rainfall prediction because that not only specific humidity, but also wind, temperature and pressure are assimilated into the model

    非靜力中尺度數值模式mm5的四維變分資料同化系統進行的數值試驗結果表明： 「開關」變量保持與基態一致，所構造的切向線性模式能夠提供關于非線性模式擾動的一階近似，伴隨模式所計算的梯度值能夠為最小化過程提供較好的下降方向；郭氏降水參數化方案中對流每隔一個積分步的交替發生並不影響目標函數最小化的收斂速度； 「開關」變量的存在也不影響將風、溫度、氣壓和比濕結合起來同化對mm5降水預報準確性的提高。
  5. We give a new method for proving the chromatic non - uniqueness of graphs by studying their adjoint polynomials, we obtain some structure characteristic of the chromatic equivalent graphs of kinds of graphs

    摘要通過研究圖的伴隨多項式的因式分解，給出並證明了若干圖簇的色等價圖的結構定理。
  6. By solving iterative the sequences, the optimal control law is obtained which consists of analytical linear feed - forward - feedback terms and a nonlinear compensation term, which is the limit of the adjoint vector sequence

    通過迭代序列得到的最優撫動抑制控制律由解析的線性前饋反饋項和序列極限形式的非線性補償項組成。
  7. Elegance hotel is the four - star top - grade foreign hotel, located in the crossing of nanhai road and the third avenue in the economy and technology district of tianjin. located in the key position of newly developed area of strand, with the management committee of development zone of tianjin around, customs of tianjin, bonded area of tianjin and warner international golf course, financial street, library, international hospital, taida institute are adjoint, it is politics of development zone of tianjin, the centre areas of culture, commercial affair, the geographical position is superior, easily accessible, it is personages of various circles of society that enjoy the comfortable easy good selecting that live a life

    天津惠中酒店天津惠中酒店是一座四星級高檔涉外酒店，位於天津經濟技術開發區第三大街與南海路交口，地處濱海新區核心位置，周圍與天津開發區管委會天津海關天津保稅區以及華納國際高爾夫球場金融街圖書館國際醫院泰達學院相鄰，是天津開發區政治文化商務的中心地帶，地理位置優越，交通便利，是社會各界人士享受舒適安逸生活的上佳之選。
  8. The adjoint of a c - cosine operator function and its subgenerators

    餘弦運算元函數的對偶及其次生成元的性質
  9. Developing of two modes named adjoint mode and tangent mode, which are used widely in the field of numerical weather broadcast, is a typical issue to fulfill the needs

    發展數值天氣預報模式的切線性模式和伴隨模式是這一需求的典型問題。
  10. In the computational methods of tpbvp, in order to reduce some difficulties involved in solving a tpbvp via adjoint variables, we discuss a direct method in which state and control variables are indirectly parameterized, the method employs a recently developed direct optimization technique that uses a piecewise polynomial representation for the state and control variables, thus converting the optimal control problem into a nonlinear programming problem, which can be solved numerically. it makes the initial iterative variable more easy to be determined

    在數值解法中，為了減少解決兩點邊值問題共軛變量帶來的困難，主要討論了將狀態變量和控制變量進行參數化的一種直接方法，這種方法採用了近段發展起來的使用分段的多項式來代替狀態和控制變量的直接優化方法，然後最優控制問題就轉化成可以用數值方法解決的非線性規劃問題，使得迭代初值更加容易選取。
  11. The new method is a combination of characteristic approximation to handle the convection part, to ensure the high stability of the method in approximating the sharp fronts and reduce the numerical diffusion, a smaller time truncation is gained at the same time, and a mixed finite element spatial approximation to deal with the diffusion part, the sealer unknown and the adjoint vector function are approximated optimally and simultaneously

    此方法即為對方程的對流項沿流體流動的方向即特徵方向進行離散，從而保證格式在流動鋒線前沿逼近的高穩定性，消除了數值彌散現象，並得到了較小的時間截斷誤差；另一方面，對方程的擴散項採用混合元離散，可同時高精度逼近未知函數及其伴隨向量函數，理論分析表明，此方法是穩定的，具有最優的l ~ 2逼近精度。
  12. The example of a numerical prediction model shows the basic method of developing adjoint assimilation system of numeric predict model

    而後以一個數值預報模式為例，說明了構造伴隨模式同化系統的基本方法。
  13. A simple and convenient solution - finding method of adjoint matrix

    伴隨矩陣的一種簡便求法
  14. The calculated formula of adjoint polynomials of a class tree

    一類樹族的伴隨多項式及其恆等式
  15. Adjoint network of linear circuits is used to solve microwave nonlinear circuits problems. in the paper, a unified adjoint network method of linear and nonlinear circuits is presented. this method can calculate sensitivity quickly

    把線性電路中的伴隨網路法運用到微波非線性電路中，文中給出了對線性與非線性電路都適用的伴隨網路法，能快速求解非線性電路中精確的靈敏度
  16. Estimation of bottom friction coefficient for a 2 - d nonlinear tidal model of the bohai sea by the adjoint method

    利用伴隨同化方法估計渤海潮汐模式的底摩擦系數
  17. Based on the simulation of the m2 tide in the bohai, yellow and east china seas, numerical experiments are made to study 4 strategies on the bottom friction coefficient ( bfc ) in a numerical adjoint model

    摘要使用伴隨同化方法探討了四種底摩擦系數處理方法並模擬了渤黃東海的m2分潮。
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