optimal approximation 中文意思是什麼

optimal approximation 解釋
最佳逼近
  • optimal : adj. 最適宜的；最理想的；最好的 （opp. pessimal）。
  • approximation : n. 1. 接近；近似。2. 【數學】近似值。3. 概算，略計。
  1. The optimal approximation for the pattern formed with fresnel zone plate antenna

    菲涅爾區板天線賦形波束的最優逼近
  2. The centrosymmetric solution of the inverse quadratic eigenvalue problem and its optimal approximation

    一類二次特徵值反問題的中心對稱解及其最佳逼近
  3. The necessary and sufficient condition for centrosymmetric solution of matrix equation was presented and general solutions were obtained. the optimal approximation solution to a given matrix was provided in the solution set

    先討論一類矩陣方程存在中心對稱解的充分必要條件，給出解的一般表達式，並在解集合中給出了與給定矩陣的最佳逼近解。
  4. In addition, the problem of using anti - centrosymmetric matrices to construct the optimal approximation to a given matrix is discussed, the necessary and sufficient conditions about the problem are derived, and the expression of the solution is provided

    並討論了用反中心對稱矩陣構造給定矩陣的最佳逼近問題，給出了該問題有解的充要條件和解的表達式。
  5. On the basis of analyzing the several traditional algorithms, the efficient design method, the self - initiated weighted least squares ( swls ) combined with adaptive simulated annealing ( asa ), are proposed explicitly for the design of pif. this chebyshev criterion based optimal approximation method has not only very fast computing speed but also high accuracy and good controllability

    在對這些演算法特性分析比較的基礎上，系統完整地提出適用於lcos投影分合色偏振干涉濾光片設計的最高效方法? ?自啟動權值最小二乘演算法（ swls ）結合自適應模擬退火演算法（ asa ） 。
  6. The anti - symmetric orthogonal anti - symmetric solution of a linear matrix equation and its optimal approximation

    一類矩陣方程的反對稱正交反對稱解及其最佳逼近
  7. Secondly, as for degree reduction of interval rational bezier curves, two methods are given : pseudo linear programming method ( plpm ) and pseudo optimal approximation method ( poam )

    接下來對區間有理bezier曲線，給出兩種降階逼近演算法：擬線性規劃法（ plpm ）和擬最優逼近法（ poam ） 。
  8. The mrafc scheme employs a reference model to provide closed - loop performance feedback for generating or modifying a fuzzy controller ' s knowledge base. the adaptive compensation term of optimal approximation error is adopted. by theoretical analysis, the closed - loop fuzzy control system is proved to be globally stable, with tracking error converging to zero

    該方案利用參考模型作為閉環系統的反饋信號來產生、調節模糊控制器的規則庫，並通過引入最優逼近誤差的自適應補償項來消除建模誤差的影響，不但能保證閉環系統穩定，而且可使跟蹤誤差收斂到零。
  9. Based on the representation of interval rational bezier curves and surfaces and by a serial of mathematical transformation, the degree reductions of them are converted to those of polynomials with upper bounds, then several algorithms are presented, with linear programming and optimal approximation methods. by relaxation of some constrained conditions, approximation effects of some of them are further improved

    根據區間有理bezier曲線、曲面的特點，通過一系列數學變換，將其降階問題轉化為多項式的保上界降階逼近，再應用線性規劃和最優逼近方法求解，給出幾種逼近演算法，並探討通過約束不等式的鬆弛，進一步改進逼近效果。
  10. Firstly, based on backstepping and the supervisory control strategy, a robust adaptive fuzzy controller is designed for a class of nonlinear systems. the first type fuzzy logic system is used to approximate the unknown part of the process. the adaptive compensation term of the optimal approximation error is adopted

    本文首先針對一類不確定非線性系統，基於backstepping方法，利用監督控制，引入最優逼近誤差的自適應補償項，並利用型模糊邏輯系統逼近系統的未知部分，提出了一種魯棒自適應模糊控制器設計方案，運用李亞普諾夫第二方法，先證明了閉環模糊控制系統全狀態有界，再證明了跟蹤誤差收斂到零。
  11. The optimal approximation of generalized skew - symmetric matrices on the linear manifold

    線性流形上廣義次對稱矩陣的最佳逼近
  12. The optimal approximation of generalized anti - skew - symmetric matrices on the linear manifold

    線性流形上廣義反次對稱矩陣的最佳逼近
  13. Least - squares solutions for inverse problem of anti - hermitian generalized anti - hamiltonian matrices on the linear manifold and optimal approximation problem

    線性流形上反埃爾米特廣義反漢密爾頓矩陣反問題的最小二乘解及其最佳逼近問題
  14. At last, on several linear manifolds, the conditions for the existence of and the general expressions of the symmetric, skew - symmetric and symmetric semi - definite solution of the linear matrix equation f3 ( x ) = 0 are discussed. and the related optimal approximation solutions are obtained

    最後討論了六類線性流形土矩陣方程兒（ x ） = o分別具有對稱解，反對稱解和對稱半正定解的條件，得到了方程和l一s問題解的通式，同時解決了解的最逼近問題
  15. The least - squares skew - symmetric solution and the optimal approximation on a class of generalized sylvester equation

    方程的反對稱最小二乘解及其最佳逼近
  16. 6. the necessary and sufficient conditions for the existence of and the general expressions of the skew - symmetric solution of the lyapunov equation f7 ( x, y ) = 0 are obtained, and the related optimal approximation problem is solved

    6 .得到了廣義lyapunov方程人（ x ， y ） = o具有反對稱解的充分必要條件，解的通式及解的最佳逼近問題的解
  17. The minimal norm solutions of the equation f4 ( x ) = 0 over srmxm are derived, and also the necessary and sufficient conditions for the existence of and the general expressions of the skew - symmetric solution of the equation f4 ( x ) = 0 are obtained, the related l - s problem f4 ( x ) = min is solved. 5. the necessary and sufficient conditions for the existence of and the general expressions of the skew - symmetric solution of the generalized sylvester equation f5 ( x, y ) = 0 are obtained, and the related optimal approximation solution is obtained, too

    得到了矩陣方程f _ 4 （ x ） = 0在sr ~ （ m m ）上的極小范數解，同時導出了此方程具有反對稱解的充分必要條件和解的通式，解決了相應的l一s問題人（ x ）二min . 5 .得到了廣義sylvester方程兒（ x ， y ） = 0具有反對稱最小二乘解的充分必要條件和解的通式以及解的最佳逼近問題的解，導出了幾（ x ， y ）二0具有置換對稱解的充分必要條件，解的通式及解的最佳逼近問題的解
  18. The anti - symmtric orthogonal anti - symmetric solutions of matrix equation and the optimal approximation

    矩陣方程的反對稱正交反對稱解及其最佳逼近
  19. The accuracy calculation for linkage mechanism with constant transmission ratio by optimal approximation

    最佳逼近法求解定傳動比連桿機構的精度預測
  20. Solutions of inverse problems for positive definite semidefinite symmetrizable matrices and the optimal approximation problem

    正定化矩陣反問題的解及其最佳逼近
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