有限乘數 的英文怎麼說

中文拼音 [yǒuxiànchéngshǔ]
有限乘數 英文
finite multiplier
  • 有 : 有副詞[書面語] （表示整數之外再加零數）: 30 有 5 thirty-five; 10 有 5年 fifteen years
  • 限 : Ⅰ名詞（指定的范圍; 限度） limit; bounds Ⅱ動詞（指定范圍, 不許超過） set a limit; limit; restrict
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 有限 : limited; restricted; finite; a little; not much
  1. According to experimental data and related standard, the finite element model of frame has been set based on its geometric model through simplified processing, selecting element, dividing mesh grids, load cases setting and putting characteristic etc. on the basis of this, the integrated finite element model of motorcycle has been established including frame, engine, suspension, wheel, rider and oil box etc. to understand the relationship and dynamic property of frame and integrated motorcycle, mode analysis and frequency response analysis have been done

    根據實驗測試數據和有關標準規范，以總體設計階段得出的車架幾何模型為基礎，通過模型簡化、單元類型確定、網格劃分、工況設置、邊界處理、物理特性賦予等，建立車架的有限元模型。並基於此，建立整車的有限元模型，包括車架、發動機、懸架、輪胎、乘員、油箱等。
  2. Choose two nodes on the edge of the structural to compare the results calculating by the finite element program midas, then we can draw a conclusion that these kinds of space truss systems is sensitive to the libration of the dynamic wind loads. to consider this factor is very necessary in the process of design, we will use the pulsant augmentation coefficient to realize it

    比較靜力風荷載和動力風荷載作用下的有限元軟體的計算結果，選取結構邊緣部分的兩個節點，對比它們在兩種方法計算下的最大位移的計算結果。經過比較可以看出重量輕、頻率低、阻尼小的柔性建築物對風荷載的橫向振動是很敏感的，在進行工程設計時應該考慮這種因素，並可採用乘以風振系數等相應方法來加以體現。
  3. The elastic foundation model is considered as two - parameter elastic foundation model and its effect to moderate - thick plates are taken into account by a set of governing differential equations. united with hu hai - chang ’ s function, least squares collocation weighted residual method which uses b - spline function as trial function is put forward for solving the bending problems. compare with the results of finite element method of lines, spline finite strip method, accurate solution of series etc. it is proved that the method in this article has adequate accuracy and practical feasibility

    本文採用瑞斯納中厚板理論求解彈性地基板，建立雙參數地基與中厚板相互作用的控制微分方程，結合胡海昌的解耦函數，運用雙五次b樣條函數作為試函數的離散型最小二乘加權殘值法分析了雙參數地基上的中厚板的彎曲問題，並將結果與有限元線法、有限條法、級數精確解等進行比較，證明本文方法具有足夠的精確性與實際的可行性。
  4. I undertake to pay to amtd financial planning ltd. all the premiums relating to my insurance coverage under the insurance policy when they become due and payable

    本人承諾當保費到期時，本人將會把有關之保障繳付金額全數交與尚乘財富策劃有限公司。
  5. Firstly, we generalize and analyze the advantages and present research of elliptic curve cryptography ; secondly, we study the basic theory of the ecc ; thirdly, we illustrate the safety of the ecc and discuss the elliptic curve key agreement scheme, elliptic curve encryption scheme and elliptic curve digital signature algorithm ; fourthly, we study fast algorithms of the multiplication and inversion multiplication of the element of in the underlying finite field f2m whose characteristic is two represented by the two basis of optimal normal basis and polynomial basis. we make improvements to the fast algorithm of the polynomial basis multiplication by hankerson and base on the experiments, we describe the properties and compare the advantages of the multiplication and inversion multiplication of the elements in f2m field under optimal normal bases and polynomial basis. results concluding from the study car be used as references in the realization of the elliptic curve cryptosystem ; fifthly, we overview the current fast algorithm of point multiplication, improve the fix base point comb algorithm, advance the speed of the whole system and remark the advantages and disadvantages of the popular algorithms based upon the experimental datas ; sixthly we realize the algorithm library of elliptic curve cryptography based on the f2m. only change slightly in our algorithm library can we realize the ecdh, eces, ecdsa based onf2m of anysize ; seventhly, we realize the ecc on two secure elliptic curves, including ecdh, eces, ecdsa

    本文首先介紹並分析了橢圓曲線密碼體制的優點及研究現狀；其次研究了橢圓曲線密碼體制的基本理論；第三，分析了橢圓曲線密碼的安全性並介紹了密鑰共享，加密，數字簽名等橢圓曲線密碼體制；第四，深入研究了特徵為2的有限域f _ 2m中的元素在多項式基和最優正規基表示下的乘法運算和乘法逆運算的快速演算法，並對hankerson等人提出的多項式基下的乘法運算的快速演算法作了改進，而且在實驗的基礎上不僅分析研究了f _ 2m域中元素在多項式基和最優正規基表示下的乘法和乘法逆運算的性能，還對這兩種基表示下的f _ 2m域中元素運算效率的優劣作了比較和研究，所得的結論可供在實現橢圓曲線密碼體制時參考；第五，研究了目前流行的計算橢圓曲線標量乘法的快速演算法，同時改進了固定基點梳形法，提高了整個系統的速度，並在實驗的基礎上分析研究了流行演算法的優劣；第六，實現了基於f _ 2m的橢圓曲線密碼體制的演算法庫，在我們的演算法庫中只需稍微改變便能實現基於任意尺寸的f _ 2m上的ecdh ， eces ， ecdsa等橢圓曲線密碼體制；第七，實現了兩條安全橢圓曲線上的橢圓曲線密碼體制，包括ecdh ， eces ， ecdsa 。
  6. The primary advantage that elliptic curve systems have over systems based on the multiplicative group of a finite field ( and also over systems based on the intractability of integer factorization ) is the absence of a subexponential - time algorithm ( such as those of index calculus type ) that could find discrete logs in these groups

    與基於有限域的乘法群系統（及基於整數分解的難解性之上的系統）相比，橢圓曲線系統的優勢在於，迄今為止還沒找到這類群上離散對數的次指數時間演算法（如微積分類）
  7. In 1985, takeshi kodama et al. [ 12 ] expressed the wavefunction as the combination of the function of the single electron in a one - dimensional square well with the finite barrier to calculate the binding energies of the exciton. this form does n ' t satisfy the continuity of the function and of its derivative divided by the band - mass

    1985年， takeshikodama等人在計算激子的束縛能時把單電子的波函數（ x ， y ）取為一維有限深方形量子阱中波函數的乘積，這種取法在邊界上不滿足波函數的連續性條件及粒子流（ 1 / m ~ * ） ' （ x ， y ）的守恆條件。
  8. Following the development trend of valve cad, according to the requirements of the chengdu chengfeng valve limited company and based on mdt, this article develops the 3d parametric valve design system. the main work and achievements are as follows : based on the 2d engineering drawing of the several different valves the company provided, the 3d parametric basic drawing - base is set up using mdt which is a 3d design platform, including all the parts drawings and the general assemblage drawings of the valve models ; in accordance with the common steps of the valve design, the parameter editors are designed to edit, import and export the valve parameters and are provided with the function of double synchronization on parameters displaying for convenience in use ; in order to meet demands of users and make the design more accurate, reliable and practical, the assistant formula calculators are developed, which can automatically do all types of structure calculation in the procedure of valve design, and export the calculation manual of valve design ; in order to make designers more rivalries, taking full advantage of internetmntranet technology, the virtual design center is developed, which integrate netmeeting, terminal service and super links, so that the designer can directl y use applications on remote server, communicate with other designers on intranet / internet, share software resources and realize long - distance cooperative design

    根據閥門cad發展趨勢，針對成都乘風閥門有限責任公司閥門設計現狀，本課題基於mdt三維設計平臺開發了閥門三維參數化設計系統，主要完成的工作和成果如下：根據公司提供的幾種不同結構閥門的二維工程圖紙，利用mdt三維設計平臺建立了三維參數化基本圖形庫，其中包括所有零部件和總裝配模型圖及二維工程圖；依照閥門設計的一般步驟設計了參數編輯器，用來對閥門尺寸參數進行編輯、輸入、輸出等，具有參數雙向同步顯示功能，使用十分靈活方便；根據用戶的需求，為了使設計達到精確、可靠、實用的要求，設計開發了輔助計算器，能自動完成閥門設計過程中所需的各種結構計算，並可以輸出閥門設計計算說明書；為了使設計人員更具有競爭力，本系統利用internet intranet技術設計開發了虛擬設計中心子模塊，虛擬設計中心集成了網路會議、終端服務、超級鏈接等功能，可以讓設計師直接使用服務器上的應用程序，與intranet internet上的其他設計專家進行交流、共享軟體資源，實現遠程協同設計。
  9. Ecc is considered to be an alternative to rsa. this article provides a brief description of rsa public key cryptography and the associated knowledge, in particular introduces non - supersingular elliptic curves e which is established on the finite field fp with p > 3, in - depth studies present existed scalar multiplication, further proposes an improved signed sliding window algorithm on ecc under the mixed coordinates, the improved algorithm compatible the advantage of the naf, has the least number of zero window and avoid a large number of inverse operation, successfully reduce scalar multiplication calculation

    本文闡述了橢圓曲線及其相關知識，特別說明了建立在有限域fp （其中p是大於3的素數）上的非奇異橢圓曲線e ，深入研究目前已有的各種標量乘法，由此提出了橢圓曲線密碼演算法在混合坐標下改進的帶符號滑動窗口演算法，該演算法兼容了naf方法的優點，擁有最少數目的非零窗口數，又避免了域元素上的大量求逆運算，較成功地減少了標量乘法計算量。
  10. In the paper the driver and passenger ' s finite element airbag model and multi - body mini - van cab model were established, and law of the injury parameters of occupants due to the airbag main parameters variation were obtained. the model was validated against the test results and optimized with the permutation and combination of the airbag main parameters 3

    論文中建立了駕駛員側和乘員側安全氣囊有限元模型和微型車駕駛室多剛體模型，通過調整安全氣囊主要控制參數得出了乘員損傷參數的變化規律，利用窮舉法對所選安全氣囊參數進行了最優化，並通過試驗驗證了最優化模型的準確性； 3
  11. In this article, we introducte the advanced numerical, analysis method - finite element method and lucubrate the rigid - viscoplasticity basic theory for three - dimensional problem with the metal ' s specific feature of the warm extrusion forming process, the analytical procedure of metal ductility forming process and the rigid - viscoplasticity finite element method ' basic theory. the rigid - viscoplasticity ' s modle has been made and the rigid - viscoplasticity ' s modle finite element columnwise based on the lagrange facil method and overtension overtress has been deducted in this paper. at the same time, we have analytic studied the forming technique process for the sway oil pump stator

    本論文採用先進的數值分析方法? ?有限元法，結合金屬在溫擠壓成形過程的具體特點，詳細論述了三維問題的剛粘塑性有限元法，介紹了金屬塑性成形過程的分析方法，以及剛-粘塑性有限元法的基本理論，建立了剛-粘塑性模形，推導了基於lagrange乘子法和過應力模形的剛粘塑性有限元列式，並對轉向油泵定子的成形工藝過程進行了研究分析。
  12. The second chapter reveals the mathematical essence of entropy regularization method for the finite min - max problem, through exploring the relationship between entropy regularization method and exponential penalty function method. the third chapter extends maximum entropy method to a general inequality constrained optimization problem and establishes the lagrangian regularization approach. the fourth chapter presents a unified framework for constructing penalty functions by virtue of the lagrangian regularization approach, and illustrates it by some specific penalty and barrier function examples

    第一章為緒論，簡單描述了熵正則化方法與罰函數法的研究現狀；第二章，針對有限極大極小問題，通過研究熵正則化方法與指數（乘子）罰函數方法之間的關系，揭示熵正則方法的數學本質；第三章將極大熵方法推廣到一般不等式約束優化問題上，建立了拉格朗日正則化方法；第四章利用第三章建立的拉格朗日正則化方法，給出一種構造罰函數的統一框架，並通過具體的罰和障礙函數例子加以說明。
  13. The interpolating wavelet bases are constructed in order to deal with boundary conditions conveniently at first. then the wavelet bases of duality in product form are used to construct the generalized field functions of beam, plate and shell. the model of multivariable wavelet fem is built by hellingger - reissner and hu - washizu generalized variational principle

    首先構造了便於邊界條件處理的插值小波基，應用乘積型二元插值小波基來構造梁、板、殼的廣義變量場函數，通過二類、三類變量廣義變分原理建立了多變量小波有限元模型。
  14. M there are considerable number of research concendng finie elemen method on contat problem and lot of techniques such as iteraion methd, mathematics propoming, penalty method, langrange multiplier and so on hav been developed, it is not easy to popularize the presemed methods to engineering. " field due to their complicate techniques. ms prompts the author to develop an wash that is simpler in techniques and can be @ plied to geotecilllital problems iv with less difficulty

    雖然目前接觸問題有限元計算已有大量的研究成果，所提出的求解方法也很多，如直接迭代法、數學規劃法、罰函數、 langrange乘子法等，但其求解技巧普遍比較復雜而不易在工程領域推廣應用，在巖土工程中的應用則更少，因此，本文的主要工作是建立一種比較簡單、方便、能夠用於工程問題的接觸問題的計算方法，而其關鍵是相應的有限元計算公式的建立。
  15. Finally, we make a specific analysis for our results, ani compare the result with that of the envelop function in the previous references

    最後對結果進行了詳細的討論，並將所得結果與包絡函數以x沙）取作一維有限深量子阱中波函數的乘積的兩種情況進行了比較。
  16. There were troubles in the continuity of the function and of its - derivative divided by band - mass on the boundary. in the theoretical calculation, the wave function is relative to the physical properties of the impurity greatly, the envelop function f ( x, y ) is expanded in terms of the one - dimensional linear harmonic oscillator function in this paper. it satisfies the continuity of the function and of its - derivative divided by the band - mass, so it improves the precision of the function and binding energy

    與以往工作不同的是，以前選用的x ， y方向電子的包絡函數f （ x ， y ）是一維有限深量子阱中波函數的乘積，在邊界上波函數的連續性和粒子流的守恆條件存在問題；而在理論計算中，波函數的選取與雜質的物理性質有密切關系，本文選取的電子的包絡函數是用一維線性諧振子的波函數展開而成的，在邊界上能夠同時滿足波函數的連續性及粒子流（ 1 / m ~ * ） f ' （ x ， y ）的守恆條件，從而使得波函數和束縛能的精確度得到了改進。
  17. Using least squar method, the parameters of the new model can be ascertained, by calculating an engineering using fem programme, an encouraging phenomenon appeared that the calculating result is more close to the spot value than other models are, so it is clear that the new model is good for applying, worthing for more extensive use

    本文在粘彈、粘塑性本構模型辨識的基礎上，結合實驗室流變資料，建立新的本構模型，採用最小二乘法進行參數擬合。通過有限元對某工程進行計算，結果顯示，採用新建模型計算與實測值較吻合，說明模型合理，值得推廣。
  18. 7 wang c l, lin j l. systolic array implementation of multipliers for gf. ieee trans. circuits and systems ii, 1991, 38 : 796 - 800

    在有限場的各種運算之中，以加法運算最為簡單，而以乘法指數及找乘法反元素等運算較為復雜。
  19. This paper summarized the characteristic and localizations of the special contact elements that can simulate the joints in rockmass. except for those, three kinds of numerical methods for dynamic contact analysis were introduced. then, the augment lagrangian method that combined lagrangian multiplier and penalty function was applied to the dynamic contact analysis with friction

    本文闡述了模擬巖體裂隙節理的特殊接觸面單元，分析其特點和局限性；介紹了三種處理動力接觸問題的數值演算法，利用lagrange乘子法和罰函數法聯合的增廣lagrange乘子法建立起裂隙節理的動力摩擦接觸條件和本構方程以及有限元基本方程，並運用此數值方法分析一具有貫通節理面的動力摩擦接觸問題，得出一些基本規律。
  20. In the last few months, my department worked closely with the airport authority ( aa ), airlines, tenant restricted area operators, the aviation security company ( avesco ) and various government law enforcement agencies to implement increased security measures at hkia, including secondary search of passengers and their carry - on bags, increasing vigilance, patrol and guarding, etc. security directives were issued to prohibit the carriage of knives or bladed items into the airport restricted area and the aircraft cabin

    在過去數月以來，民航處與機場管理局（機管局） 、各航空公司、租戶專用禁區經營者、機場保安有限公司（機場保安公司）和政府各執法機構緊密合作，加強香港國際機場的保安措施，其中包括對乘客和他們的攜身行李執行第二次搜查，加強戒備、巡邏和守衛等行動。我們亦發出了保安指令，禁止乘客攜帶刀或有刀刃的物品進入機場禁區和機艙范圍。
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