有限步數 的英文怎麼說

中文拼音 [yǒuxiànbùshǔ]
有限步數 英文
finite number of steps
  • 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
  • 步 : Ⅰ名詞1 （步度; 腳步） pace; step 2 （階段） stage; step 3 （地步; 境地） condition; situation; st...
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 有限 : limited; restricted; finite; a little; not much
  • 步數 : step frequency
  1. Digital speech technology has been widely used in many fields of communications in recent years, but it is just at beginning to use acoustical wave to implement underwater digital speech communications, which mainly results from the bandwidth - limited underwater acoustic communications channel and its high temporal and spatial variability

    目前，數字語音技術已廣泛應用於許多通信領域，但是在水下利用聲波進行數字語音通信卻是剛剛起步的新技術，這主要是由於水聲通道有限的通信帶寬及其時變、空變等特性所決定的。
  2. This research work on bird striking has a long history and already got plentiful achievemellts in theories and experiments, howevef, still a long way no doubt waits to go for sophisticated research work on it more detailed to apply to airframe engineering quantitatively in combination wth the technical reformation of the birdstrike experimelltal system in our laboratory, this thesis deeply studies and analyses the numerica1 computation and simulation methods to birdstrike dynamic response problem based on finite - elemefit - method ( fem ) numerical emulation and modem large - scale scientfic computation software

    本文結合我公司鳥撞實驗體系技術改造項目，應用有限元數值計算模擬技術及現代大型科學計算工具，對鳥體撞擊飛機風擋結構的動力學響應問題進行了系統學習與研究探討，初步掌握了科學計算方法，獲得了計算模擬的實踐經驗，為今後深入應用大型科學計算手段進行撞擊類科學問題的研究以及深入應用於工程實踐奠定了強有力的工作基礎。
  3. The scielltific computational theories and methods on bird strike to the windshield of aircraft have been systematically studied and summed up in this thesis, such as fem comptltational principles and procedures to elastic dynamic problems under the conditions of small and non - linear finite deformation, 3d viscous elastic constitutive theory and incremelltal expression under the consideration of the rate effect of non - metallic materials like the aircraft windshield, and the numerical compatational principles and key constitutions for impact - contact dynamic subjects

    2 、系統學習並歸納總結了鳥體撞擊風擋結構問題中的科學計算理論與計算方法。按照鳥撞問題數值計算方法逐步深入的思路，系統總結了小變形結構動力學有限元數值計算方法、有限變形的幾何非線性有限元數值計算方法、粘彈性體非線性形變的本構物理關系；對于實施復雜結構有限元動力學計算的載荷增量方法提出了對newmark差分的改進以及進行材料與幾何非線性數值計算的細致步驟。
  4. Fsmail adopts and implements the asynchronous event driven mechanism, with all those network i / o operations in the server working under the non - blocking style ; accomplishes object - oriented heap with the dynamic array, adapted to any type of data ; adopts the multi - queue scheduling mechanism based on a fsm, easily to fulfill the extentions of delivery funtions ; fulfills the non - blocking domain name resolvement mechanism and the caching of the resolved results ; implements the non - blocking user database management and the caching of the user data recently accessed ; uses the unified memory pool management, avoiding the memory leakage and improving the performance of the fsmail server ; lastly, implements the log management server based on the c / s mode, eliminating the inconsistency of the logging metadata and being adapted to any kind of application logging

    Fsmail採用並實現了異步事件驅動機制，所有網路i o的實現使用了非阻塞方式；以動態數組實現了基於面向對象的堆隊列，屏蔽了堆數據的非一致性；使用了基於有限狀態機的多隊列郵件調度機制，為后續版本的擴展性提供了良好的介面機制；服務器內部實現了非阻塞的域名解析機制，並實現域名地址緩存；實現了非阻塞的用戶數據庫管理模塊，並實現用戶數據緩存；使用了統一的內存池管理機制，既防止了內存泄漏，又提高了服務器的性能；最後，還實現了基於c s模式的日誌管理服務器，屏蔽了日誌數據元的非一致性。
  5. We believe that along with internet business is in the chinese fast development, the local entrepreneur strengthen with mass network in people consciousness gradually, will have more business enterprises pass jinzhou consociation data technology development limited company this network takes together the world connects with each other, thering will be the excellent product in more races pass this bridge heads for the world

    我們相信，隨著網際網路事業在中國的快速發展，國內的企業家和人民群眾的網路意識的逐步增強，將會有更多的企業通過錦州聯合數據科技發展有限公司這條網路紐帶同世界相連，會有更多的民族優秀產品通過這座橋梁走向世界。
  6. It is the key of ebfs, therefore, furthermore calculation about link are carried out in this thesis, introduced achieved research, summarized the affect of link on whole capability in the first, the second, numerical calculation are proceeded on link with ansys : with the purpose of discussing yielding mode critical length of link, established five different specimens ; with the purpose of discussing the influence of h / tw of web, b / tf of flange and h / b, established eighteen different specimens ; with the purpose of discussing the affect of stiffener, established four different specimens, and elaborated the affect of stiffener on link based on achieved test researches

    因此，本文對耗能梁段進行進一步計算分析，概述耗能梁段對整體性能的影響，並利用有限元程序ansys對耗能梁段進行數值計算：針對耗能梁段的屈服類型建立5種不同長度的模型，計算討論耗能梁段屈服類型的長度劃分；針對耗能梁段腹板高厚比、翼緣寬厚比以及梁段截面形狀等因素共建立了18種模型進行計算分析；針對加勁肋對耗能梁段的作用建立了4種模型，並結合已有的試驗闡述了加勁肋對耗能梁段的影響。
  7. In recent years, the endomorphism algebras of complete exceptional sequence of type an and an have been researched. furthermore, the inductive formula of the number of complete exceptional sequence over hereditary algebras of finite representation type has been obtained

    對于例外序列自同態代數的研究中，有關a _ n型， a _ n型的完備例外序列的自同態代數的結構都已經清楚，並且進一步得到計算有限表示型遺傳代數中完備例外序列個數的遞推公式。
  8. Chang zhou ming yang the car accessories limited company is a profession to produce every kind of car type top tail clear water pot, wash away dirt pot well ventilated tube, brake oil cup etc. heavy type the fuel on the car a freshet a tool box. every kind of hollowness blow the a business enterprise for producting, and every kind of combination tool box etc. product, the product category is numerous, the equipments is well - found, through the experience backlog of few decadeses, the product quantity promotes continuously, the production scale extends gradually, can produce the specification minimum 50 grams of, biggest 15000 grams of, length is 1. 6 hollowness of rices blows a pack. product regardless in molding tool design, or production line, all already beyond the reach of the domestic goes together. my factory can also according to customer the need of the product specification, color and luster, come to kind design to order the system

    常州市明煬汽車配件有限公司是專業生產各種車型上尾翼清水壺，洗滌壺通風管剎車油杯等。重型汽車上的燃油箱澎漲水箱塑料工具箱。各種中空吹塑箱包製品及各種組合工具箱等產品的企業，產品種類繁多，設備全，經過數十年的經驗積累，產品質量不斷提升，生產規模逐步擴大，能生產規格最小50克，最大15000克，長度為1 . 6米的中空吹塑產品。
  9. Finally, the stress and strain distributions of dam foundation in which there have glacis weak surfaces are studied by means of nonlinear fem. with deducing parameters of weak surfaces gradually, stability of the dam against deep sliding is verified. therefore safety of dam and foundation would be estimated

    5 、運用非線性有限元法研究了東張水庫重力壩含有緩傾角軟弱夾層的壩基應力、應變情況，用逐步降低夾層材料參數的方法核算大壩的抗滑穩定，以此評價大壩及壩基的安全性。
  10. This low figure reflects very limited rescheduling as commercial banks gradually reduce their portfolio in noncreditworthy developing countries.

    這個很低的數字反映了極為有限的債務的重新安排，因而商業銀行逐步減少了對缺乏資金的發展國家的信貸。
  11. Besides, this paper adopts the random finite element method, uses geometric and physical mechanical parameters that are relevant to lining weight of surrounding rock, coefficient of lateral pressure, height or buried depth of vertical loading, elastic resistance coefficients of surrounding rock, elastic modulus of support structure, unit weight of concrete, thickness of the structure as well as torsional strength and compression strength of concrete and etc., as random variables, applies the monte - carlo method to sampling by computer, preliminarily evaluates the reliability of bearing capacity and stability of molded concrete lining of the xuefeng mountain tunnel, and obtains the related displacement of the lining, mean value and variance of internal force, and computed the reliability index of lining structures

    此外，本文採用隨機有限元方法，將圍巖容重、側壓力系數、垂直荷載高度或埋深、圍巖的彈性抗力系數、支護結構的彈性模量、混凝土容重、結構的厚度以及混凝土的抗扭與抗壓強度等與襯砌結構有關的幾何與物理力學參數作為隨機變量，應用蒙特卡洛理論進行計算機隨機取樣，對雪峰山隧道模注混凝土襯砌的承載力與穩定性的可靠度進行了初步評估，得出了襯砌的相關位移與內力的均值和方差，並計算出了相應的襯砌結構可靠指標。
  12. The thesis also involves some detailed techniques come across in the numerical simulation process of elastic dynamic fem analysis, and remarks the theoretical foundation and applications to them, which covers mass scaling, hourglass deformation mode and dimensional compatibility

    本文還對彈性動力學有限元數值計算過程中遇到的若干技術細節進行了深入分析與探討。這包括質量縮放技術對時間步長的影響、單位制對計算速度的影響以及單元剛度單點數值積分的沙漏模態控制技術等。
  13. In this article, we use idea of turning dispersion into convergence and put all the well ' s points into the same unit net to think about it. and answer three questions of the distribution of well drilling by the way of searching for groups of points. fincite - step - searching underthe condition of translationg fcoordinate system or revolving coordinate system. to first question. we find two algo - rithms and make use of data that is given to find the solution. we seek coorlinate of net point is co. 361, 0. 461 ) and mostly four old well ' s points are utilized at the same time by first algorithim, which are no. 2, no, 4, no. 5, no. 10. by second algorithm, we rechon the coordinate of net point is co. 390, 0. 505 ). and that mostly four old well ' s points are utilizld which are no. 2, no. 4, no. 10. to second question, we turn it into the first question by angling awt the center of net point. we seek that mostly six old well ' s points are utilized at the same time, which are no. 1, no. 6, no. 7, no. 8, no. 9, no. 11, when net is angled 0. 78 radian. and net point is translated to ( 0. 75, 0. 076 ) ( at nwe coordinate system ). to third question, wefind a necessary and sufficient condition and affer algorithms, at last, we analyse algorithms

    運用化分散為集中的思想，把所有的井點都放在同一個單位網格內考慮.在坐標可平移、旋轉的條件下，利用尋找點群、有限步驟搜索法，對鉆井布局的三個問題進行了解答.對問題一，給出了兩個不同演算法.並對題目提供的數據進行了求解，演算法1得到的結點為（ 0 . 361 ， 0 . 461 ） ，最多有4個舊井點被同時利用，它們是第2 、 4 、 5 、 10個井點;演算法2得到的結點為（ 0 . 390 ， 0 . 505 ） ，最多有4個井點被利用，它們是第2 、 4 、 5 、 10個井點.對問題二，以結點為中心旋轉一定的角度后，歸結為問題一進行求解，求解結果為當網格傾斜角為0 . 78弧度（相對原坐標系） ，結點平移到（ 0 . 75 ， 0 . 076 ）點（在新坐標系下） ，可被同時利用的最多舊井點為6個，它們是第1 、 6 、 7 、 8 、 9 、 11個井點，對問題三，我們給出了充要條件，並給出了演算法.最後還分析了演算法的優劣性
  14. On the basis of a large number of field geology investigation, the theory on engineering stratification was applied to analyze and study systemically rock mass structural surface of dam abutment, and further throw light on overall character of rock mass structure. by setting up definite structural level model and statistical model, and analyzing further numerical simulation of finite element, the action of rock mass stress and shape distortion has been recognized and apprehended in depth

    本論文以現場地質調查為基礎，應用系統工程層次性理論，對壩肩巖體結構面進行了系統的分析研究，闡明了壩肩巖體結構的總體特徵，建立了壩肩巖體結構的確定性層次模型和統計模型，通過進一步的有限元數值模擬分析，深化對巖體應力形變作用的認識與理解。
  15. Separately select and use the slice method based on rigid body theory of ultimate equilibrium and the ai theory based on neural network to justify loess side slope stability and finite element numerical stimulation based on elastoplastic theory to further research the factors of slope failure and deformation mechanism of landslide

    分別採用基於剛體極限平衡理論的條分法和基於神經網路的人工智慧理論判別黃土邊坡穩定性；又採用基於彈塑性理論的有限元數值模擬，進一步探討了黃土地區邊坡失穩的影響因素及其滑坡變形機制。
  16. 3 elastic exponential progression solution which is widely recognized by the field of civil engineering are applied to analysis of the pcc pile under lateral load, and the results are compared with that of finite elment method. accordingly, the validation of program is once more proved

    3 、應用樁身撓曲彈性微分方程冪級數解析法對本文中的pcc樁算例進行了分析，並將分析計算結果與有限元計算結果進行了對比，進一步驗證了本文有限元數值演算法運用於pcc樁水平承載計算的正確性和有效性。
  17. The nonrecursive algorithm is proved to terminate in finite steps and turn out to be a constant vector too. because two modifications estimated models are asymptotically uniformly nonsingular, thus the possible singularity in the adaptive pole placement systems is completely avoided. however the prior knowledge required is only the observability indices of systems, thus, the required prior knowledge is greatly reduced

    非迭代的修正策略證明了參數修正向量在有限步內收斂於一個常向量；上述兩種修正策略均保證了估計模型的一致能控性，從而徹底解決了自適應極點配中可能出現的奇異性問題，而所需的先驗知識僅為系統的能觀性指數。
  18. With the fast development of scientific research, more and more new computer technologies have already been introduced into many research fields successfully. from hardware resources to new software methodologies, such as network technology ( intranet / internet / grid ), cluster, collaborative design, parallel and distributed computing, virtual reality, integrated and intelligent cad / cae / cai ( computer aided innovation ) system, 00 method and expert system, all of them can make great influences on their corresponding research fields

    本文利用面向對象的方法（面向對象分析與面向對象程序設計） ，結合相關的網路應用技術（局域網廣域網網際網路等） ，將集群并行計算、 web計算以及網路工程設計等概念引入土木工程分析設計以及有限元數值分析領域，最終初步形成一個集成的基於網路的工程設計與有限元分析系統框架netfeaf （ networkbasedfiniteelementanalysisframework ） 。
  19. Nowadays, the pcc pile have been widely used for soft ground improvement and application of foundation engineering. the behavior of pcc pile, that subjected to lateral load has been studied in this paper. the behavior of the pcc pile has involved moment and horizontal displacement and load of pcc pile. they are studied by in the physical model experimen, field test finite element numerical analysis, and exponential progression solution. in additional, the comparatively computal analysis are carried out among pcc pile, cast - in - situ concrete circular pile, prefabricate concrete square pile, and obtain some signification conclusion

    本文主要圍繞現澆混凝土薄壁管樁（以下簡稱pcc樁）這一新型的樁基結構型式的水平承載性狀展開研究，通過室內模型試驗、現場試驗、有限元數值模擬分析試驗及彈性冪級數解析法分析等手段，對pcc樁水平承載的樁身受力性狀，樁身撓曲位移，樁身彎距分佈，樁與樁周土相互作用的地基反力等幾方面進行了初步的探討和研究，最後將pcc樁與目前工程中的兩種常用於承受水平荷載的樁型進行對比計算分析，得到有意義的結論。
  20. A program for space discretization of flow field around bus is developed under the platform of windows98. this program has achieved the main work of the fem preprocess

    本研究在windows98平臺上編制了客車周圍流場三維湍流有限元數值模擬的空間離散化程序，初步完整地實現了有限元前處理的各項主要工作。
分享友人
分享到 Line

分享到臉書