逼近定理 的英文怎麼說

中文拼音 [bījìndìnglǐ]
逼近定理 英文
approximation theorem
  • 逼 : Ⅰ動詞1 （逼迫; 給人以威脅） compel; force; drive; threaten 2 （強迫索取） extort; exert pressure ...
  • 近 : Ⅰ形容詞1 （空間或時間距離短） near; close 2 （接近） approaching; approximately; close to 3 （親...
  • 定 : Ⅰ形容詞1 （平靜; 穩定） calm; stable 2 （已經確定的; 不改變的） fixed; settled; established Ⅱ動詞...
  • 理 : Ⅰ名詞1 （物質組織的條紋） texture; grain （in wood skin etc ） 2 （道理;事理） reason; logic; tru...
  • 逼近 : 1 （靠近 接近） press on towards; gain on [upon]; approach; crowd on; close in on; draw near 2 [...
  1. In ranking the indicator system of affecting cultivated land being selected into prime farmland has been built firstly, which is composed of 18 indicators involved in quality, location, policy attribute and administrative intervention of cultivated land. then based on the character of ranking, the idea of combination decision has been brought forward, ranking cultivated land synthetically with three ranking models including a model by similarity to ideal point, fuzzy optimization model and attribute hierarchy model. in three models the weights are based on hierarchy analysis and entropy weights, considering not only subjective partiality but also the intrinsic information of decision objects, which make the ranking results more scientific, reasonable and credible

    在耕地綜合排序中首先建立了耕地入選基本農田的決策指標體系，由耕地質量狀況、區位條件、政策屬性以及行政干預4大決策因素共18個決策指標構成；然後根據排序問題的特點，提出了「組合決策法」的思路，並採用逼近於理想點的排序模型（ topsis ） 、模糊優選模型（ fom ）和屬性層次模型（ ahm ）三種排序方法對耕地進行綜合排序，每種排序模型中均採用基於層次分析法和熵權系數法確定的綜合權重，既考慮決策者的主觀偏好，又充分利用決策對象的固有信息，使排序結果更為科學、合理、可靠。
  2. Approximation theorem for meyer - konig - zeller operator

    運算元的逼近定理
  3. In chapter ii we give the representation theorem of the anisotropic class besov and get the estimation of m - term approximation of it. in chaper iii the rate of m - term approximation of the anisotropic low smooth class is camputated

    在第二章先給出了各向異性besov類的表現定理，求出它的m項三角逼近的漸進階，並給出定理應用。
  4. For the given sample points, and matrix formed by covariance function with sample points as parameters, when the number of sample points approaches infinite, it is proven that this matrix spectrum will approach the spectral approach theorem for positive - definite kernel of integral equation

    對給定的樣本點，由樣本點為變量的協方差函數構成的矩陣，當樣本點個數趨于無窮大時，證明此矩陣譜逼近於積分方程正定核的譜逼近定理。
  5. Second part, using approximation method and implicit function theorem, we obtain the existence of large amplitude 2 - periodic bouncing for damped linear impact osillator with mutiple impacts in one period

    在第二部分里，我們運用逼近框架與隱函數定理，對于帶小阻尼的線性碰撞振子，證明了在一周期內發生多次碰撞的大振幅2 -周期解的存在性。
  6. Taking the vr step motor as example in the paper, systemic research is conducted about the principle of the subdividing drive, the non - linearity relationship between microstep and phase current, the method of velocity adjusting and the interrelated factors. the system is designed to realize the subdividing drive, velocity adjusting and position. especially, there are two innovations in this paper. one is the first introduction of pld device and isp technology to the design of phase sequencer, the other is the new measure and amend method of microstep

    本文以三相反應式步進電機為實例，對細分驅動原理、細分驅動的非線性、變細分調速以及相關影響因素進行系統的研究；實現細分驅動器、調速控制、定位控制和軟硬介面的設計。在此基礎上，本文對細分驅動環形分配器的設計和微步距測量修正進行了創新；提出將pld器件和isp技術引入到細分驅動環形分配器的設計思想和錯位測量和逼近修正法。
  7. Verdu derives the ideal of multi - user detection in 1986. the multiple access interference, he deemed it has available information in certainly structure. adopted by the mlsd in the theoretical, it has many good abilities, such as its capability close with the single user ' s, near - far resistance, raised the capacity of the system. thereby come to operate the mud ' s research

    1986年， verdu提出了多用戶檢測思想，認為多址干擾是具有一定結構的有效信息，理論上證明了採用最大似然序列（ mlsd ）可以逼近單用戶接收性能，並有效地克服了遠近效應，大大提高了系統容量，從而開始了對多用戶檢測的研究。
  8. Extrapolation theorem of interpolation spaces byapproximation

    插補空間的逼近外推定理
  9. We can show the existence of solutions to the differential inclusions problem by baire category method, and so the formal problem. the main steps of using baire category method are as follows. first we construct a complete metric space v. then with the help of the likelihood functional, we obtain a series of open and dense subset vs in v. finally, by baire category theorem, we know that the subset vs is dense in v

    本文指出在適當的條件下，可以將原問題轉化為一個微分包含問題：對於此微分包含問題運用baire稠密性方法，構造一個完備的度量空間，也就是容許函數空間，再利用似然泛函構造出它的一列稠密開子集（實際上是逼近解集） ，從而由baire稠密性定理可以得到解的存在性。
  10. At the mean time, the old school office which is damage by the blaze ten years ago has show up again and the ghost of the dean of the school is stepping out from nowhere, closer and closer. step by step.

    阿狄阿絲阿cat離奇失蹤死亡，令高強和逸敏陷於崩潰邊緣，決定挑戰嚴禁談戀愛這條違反天理的校規。此時，因火災而消失了的校務處又再次出現，訓導主任的冤魂靜靜地步出，一步一步的逼近
  11. The transient mathematical equations are addressed for the coupled heat and moisture transfer by taking account of moisture accumulation procedure. an analytical method by means of the transfer function is proposed to predict the transient distributions of temperature and moisture content at different interfaces in walls. a numerical analysis approach based on an efficient finite - difference method is developed to deal with the procedure of coupled heat and moisture transfer in a multilayer wall with nonlinear boundary conditions considered

    建立了考慮濕積累過程的瞬態熱濕耦合模型，在方程中引入了濕積累項；發展了一種傳遞函數解析方法進行墻體內不同剖面處溫度和含濕量的動態預測；首次提出了一種基於有效有限差分法預測非線性邊界條件下多層多孔結構內的傳熱傳濕過程的數值分析方法，求解過程中考慮了瞬態邊界條件，從而避免了通常處理中由於邊界條件設定為常數而給計算帶來的誤差，對于多層結構每一層物性參數的非連續性，則採用了有效的有限差分逼近處理。
  12. In the second chapter, firstly, i present some marks and definitions, then discuss several le. mmas that closely relate to the primary theorem of this paper. successively, i introuduce relative malgrange preparation theorem, the approach theorem of relative map - germs, and the approach theorem of relative map - germs with single parameter family and so on

    第二章首先給出一些記號和定義，然後討論與本文主要定理密切相關的一些引理，先後介紹了相對malgrange預備定理，相對映射芽的逼近引理，以及單參數族相對映射芽的逼近引理等。
  13. The approximation theory on the p - adic walsh - fourier riese average

    級數黎斯平均的逼近定理
  14. Iterative approximation theorem on solutions to nonlinear strongly accretive operator equations

    非線性強增生運算元方程解的迭代逼近定理
  15. A theorem of iterative approximation of zero point for maximal monotone operator in banach space

    空間中極大單調運算元零點的迭代逼近定理
  16. In the second chapter, the approximation theories of modified baskakov - beta operators are investigated

    第二章研究修正的baskakov ? beta運算元的逼近定理。
  17. In this paper, we use the coupled fixed point theorem for mixed monotone condensing operators to obtain an existence, uniqueness and iterative approximation theorem of solutions of initial value problems for second order mixed monotone type of impulsive differential equations

    利用混合單調凝聚運算元的耦合不動點定理，給出了二階混合單調型脈沖微分方程的初值問題的解的存在唯一性及迭代逼近定理
  18. Absorbing the idea of the reference [ 3 ] and based on paper [ 2 ], the approximation theories of the global and pointwise of r + s order derivatives are obtained in the first part ; in the second part, the inequality of stechkin - marchaud type of generalized baskakov is studied

    第一節吸收[ 3 ]的思想，在[ 2 ]的基礎上得到了廣義baskakov運算元r + s階導數的點態和整體的逼近定理；第二節研究了廣義baskakov運算元的stechkin ? marchaud型不等式。
  19. Using the conic function model local approximation, w. cdavidon ( 1980 ) proposed a class of iterative algorithms with modified matrix combining function value, furthermore under the theory d. c. sorensen has used local quadratic approximation method, then applying collinear scaling idea improving on the above algorithm and generalizing it, getting a class of collinear scaling algorithm, unifying former quasi - newton. in the paper, using local quadratic approximation method, the first, constructing the new collinear scaling gene, getting a class of the new collinear scaling algorithm with briefness and numerical stability, ., we discusses some properties of the algorithm and its local linear convergence, q - superlinear convergence and the whole convergence ; secondly we have made numerical experimentation and numerical analysis ; the last, we have done much discussion for collinear scaling idea and given the several new collinear scaling algorithm

    本文的工作就是基於局部二次逼近原理，首先通過構造新的共線調比因子，得到了一類新的更簡潔，數值穩定性更好的共線調比演算法，進而我們給出了本共線調比演算法的局部收斂性，全局收斂性以及演算法q -超線性速度的理論證明；其次，用經典的無約束優化五大考核函數就本共線調比演算法進行了數值試驗和數值分析；最後，就局部二次逼近思想，進行共線調比演算法思想進行更廣泛的討論，給出了幾個新共線調比演算法。
  20. By the ranking model by similarity to ideal point based on m and n, the criterion of cultivated land can ’ t be used as plant cash crops and the criterion of cultivated land should priority used as plant cash crops and the criterion of cultivated land can ’ t be used as construction land and the criterion of cultivated land should priority used as construction land were confirmed. finally, the evaluation of cultivated land grade, realistic class, and potential class were all demonstrated and the result of cultivated land grade, realistic class, and potential class were all verified in a case study in changsha county changsha city, hunan province. by calculated cultivated land coefficient m and n and confirmed c _ m and c _ n of the ranking model by similarity to ideal point, the result 0. 5032 < c _ m 0. 9931 was confirmed as the criterion of cultivated land should priority used as plant

    最後以湖南省長沙縣作為典型研究區域，實證了耕地等、現實級和潛在級的評價，並分析了其評價結果的可靠性;通過計算耕地經糧系數和建糧系數，及逼近於「理想點」的排序模型中的c _ m和c _ n確定了長沙縣0 . 5032 < c _ m 0 . 9931為耕地應優先用作菜地等經濟作物用途和0 . 0126 c _ m < 0 . 5037為耕地不應用作菜地等經濟作物用途的判別標準;確定了長沙縣0 . 5035 < c _ n 0 . 9937為耕地應優先用作建設用地用途和0 . 0139 c _ n < 0 . 5035為耕地不應用作建設用地用途的判別標準;最後闡明了c _ m 、 c _ n在種植業結構調整、耕地保護和土地管理中的應用價值。
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