遞降法 的英文怎麼說

中文拼音 [jiàng]
遞降法 英文
method of descending
  • : Ⅰ動詞(傳送;傳遞) hand over; pass; give Ⅱ副詞(順著次序) in the proper order; successively
  • : 降動詞1. (投降) surrender; capitulate 2. (降伏) subdue; vanquish; tame
  • : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
  1. Bottom - up parsing implementation with recursive descendent method

    歸下實現自底向上的語分析
  2. In this thesis, studies are focused on as follows : ( 1 ) based on analyzing the general transfer - matrix, the conception of the generalized double layer soil model is proposed, and the transfer - matrix ( r ) of half - infinite elastic mass is introduce - d to the analytic expressions of stress and settlement under the uniform circular, rectangular and strip vertical loads in multi - layered soil ; ( 2 ) according to the analytic expressions of the additional stress and settlement under unifo - rm circular in multi - layered soil, rectangular and strip vertical loads, the programs are develop - ed to resolve and debugged. the results show that the programs are correct ; ( 3 ) through calculating the coefficient of additional stress on the central axis of uniform circ - ular vertical loads, under the corner point of the uniform rectangular vertical loads, and on the central axis of uniform strip vertical loads, and the settlement on the center of uniform circular vertical loads and uniform rectangular loads in double - layered soil, the characters of stress and settlement are discussed ; ( 4 ) a case, as an example, is studied with different calculation methods, such as traditional theory, fem. the results obtained are compared

    本文在已有研究成果的基礎上進一步開展了以下幾方面的研究: ( 1 )在對層狀地基傳矩陣中的總傳矩陣分析的基礎上,提出了廣義雙層地基模型的概念,並把半無限體的傳矩陣r引入到多層地基在圓形垂直均布荷載、矩形垂直均布荷載及條形垂直均布荷載作用下附加應力與沉的解析式中; ( 2 )根據多層地基在圓形荷載、矩形垂直均布荷載及條形垂直均布荷載作用下附加應力與沉的解析式,編制了程序,調試通過並驗證了其正確性; ( 3 )通過對雙層地基圓形垂直均布荷載中心軸線上的附加應力系數和荷載中心沉,矩形垂直均布荷載角點下的附加應力系數和荷載角點沉及條形垂直均布荷載中心軸線上的附加應力系數進行的計算,探討了雙層地基中的附加應力與沉特性; ( 4 )應用本文的層狀地基體系理論對一個工程實例進行了計算分析,並與傳統的計算方的計算結果和有限單元方的計算結果進行了對比分析,結果表明利用層狀地基理論計算更能反映地基中附加應力分佈的實際情況。
  3. This article described the deformation features of taojiaba landslide and analyzed the inner factors, geologic setting, topography, morphology, stratum, lithology and texture, and the external influence factors, precipitation, flood, human activity, neotectonic activity and earthquake, and the transform features of landslide in the near future, and evaluate stability of landslide through the section coefficient method calculation on basis for landslide mechanism analysis and control work

    摘要陶家壩滑坡基本特徵顯示,滑坡變形的主要影響因素有:地質環境因素(地形地貌、地層巖性、物質結構) 、外界影響因素(水因素、洪水因素、人為因素、新構造及地震) ,以及滑坡近期變形特徵,通過剖面推系數計算,對滑坡的穩定性進行了評價,為滑坡機制分析和優化整治措施提供依據。
  4. Owing to institutional, cultural, social and policy - triggered factors and the resulting opportunistic motives of organizations and individuals, there are abundant behaviors breaking laws and violating discipline, such as misrepresentation, earnings management, purchased auditing, fraudulent auditing, false information transmission, insider trading and etc, in the process of information transmission in china ' s securities market. as the result, market efficiency is undermined, both interests and confidence of investors are impaired

    由於機構和個人的機會主義動機及其背後的經濟制度因素、歷史文化因素、社會因素、政策性因素等誘因,我國證券市場信息披露、信息傳和信息運用過程中存在著比較嚴重的虛假陳述、盈利操作、購買審計、審計舞弊、虛假或不實信息傳、內幕交易等利用不對稱信息優勢謀取私利的違違規行為,證券市場有效性大大低,投資者(尤其是中小個人投資者)的利益受到侵害,投資者對證券市場的信心開始動搖。
  5. The weights are trained with gradient descent method. the increase algorithm of bvs, and restricted algorithm, was induced

    利用梯度下對網路的權值進行訓練,並且推導了bvs的增長演算,以及網路訓練的限制記憶推公式。
  6. Gray model gm based on genetic algorithm

    基於遺傳演算的傳函數的模型
  7. Based on the full - depth / part - depth shear spring model proposed by luo weide and the theoretical corealation between the pile base resistance and the pile base settlement presented by randolph, a elastic analytical approach for computing the pile compression is conducted

    本文利用羅惟德全深度? ?變深度剪切彈簧模型推導了樁身壓縮量的彈性理論解析計算方,選用randolph的樁端沉與樁端阻力的關系,利用荷載傳推導了樁身壓縮量的數值計算方
  8. Appraise the test scheme of dynamic consolidation of each test district before test and make optimization suggestions ; 4. the grain - size distrilidation of the underlayer of dynamic consolidation has great on consumption of the energy i, the better the dynamic consolidation effect is ; 5. the deformation effect of dynamic consolidation foundation is that not only the settlement deformation of foundation will decrease greatly after pounding, but residual settlement deformation in each test district are compared, it can be concluded that the deformation stability of foundation of the runway engineering of pu - dong airport can satisfy the design requirment through dynamic consolidation according to optimized test scheme. but the underlayer of dynamic consolidation should be made when pounding

    論文的主要工作和研究認識如下: ( 1 )確定必要的強夯施工參數; ( 2 )對既有砂性土又有粘性土地基的最佳夯擊次數的確定方進行了探討; ( 3 )對試驗前各試驗小區的強夯試驗方案進行了評價,並提出了優化建議; ( 4 )強夯墊層材料的級配對夯擊能的消耗有很大影響,級配好的墊層對夯擊能的傳比級配差的墊層效果好; ( 5 )強夯地基的變形效應主要是指夯后地基不但沉變形會大幅度低,而且剩餘沉變形會緩慢地發生; ( 6 )在比較各試驗小區的變形穩定性后,按照優化后的試驗方案進行強夯處理,則浦東機場場道工程地基的變形穩定性能滿足設計要求,但須在處理時施加強夯墊層。
  9. Firstly unified load - settlement solution of single barrette pile based on bilinear load transfer function is developed in this paper. with the aid of the solution, the barrette behaviour is analyzed preliminarily

    本文首先採用荷載傳函數推導出了雙線性荷載傳函數下的單樁荷載沉關系統一解,並利用此解對壁板樁的承載特性進行了初步分析。
  10. The analytic solutions of isotropic elastic layered soil under axisymmetrical, rectangular and strip loads were derived from the basic equations of isotropic elastic mechanics by means of transfer - matrix method. by the result, can easily calculate the additional stress and settlement in layered soil. but these solutions could not properly assess the errors from the elastomer of the bottom layer in foundation soil

    從各向同性彈性力學基本方程出發,利用傳矩陣推導出的多層彈性地基問題在軸對稱荷載、矩形荷載和條形荷載作用下附加應力與沉的解析解,可以方便地求出層狀地基中的附加應力和沉,而他們均沒有考慮最下層彈性體計算深度引起的誤差影響。
  11. In addition, some programming techniques, such as recursion, are impossible to use - - for example, this rules out protocol handlers being recursive - descent parsers

    此外,象歸之類的一些編程的技術不可能使用例如,歸消解了協議處理程序成為循環下的語分析程序的可能。
  12. In this paper, we not only analysed the different effects of the disturbing gravitation on the trajectories of different ranges, but also discussed shortcomeings of the spherical harmonics model by which the external gravitation potential of the earth is shown usually. when the model is applied directly to the calculation of the trajectory, since the recurrent calculation can not be avoided, an increase in orders of model will result on a decrease in the speed of calculation

    本文重點分析了擾動引力對不同射程導彈的落點偏差的影響,並且討論了原有計算擾動引力的球諧函數在計算速度上的缺陷(由於勒讓德函數的推計算,使得隨著模型階數的增加模型的計算速度下) ,然後對其進行改進使其能更好的適用於彈道計算。
  13. The ip address is various because teachers and students go to the internet in different places and different connection. using ihe mixed architecture of the server programming, the clients immediately communicate as peers and the server is only connecting function. as clients, teachers and students can directly deal with data without server, the quantities of information or server were reduced and the middle tache during transferring data was avoided

    教師和學生上網地點不定,上網連入方式不同,其ip地址是不固定的,採用混合型服務器程序設計方,服務器端只起到握手連接作用,讓客戶端直接連接,教師和學生直接進行數據通訊,使學生和教師的數據處理無須通過服務器,低服務器信息處理量,從而消除了數據傳的中間環節。
  14. 3 a novel recursive least - square ( rls ) blind space - time receiver algorithm based on the constrained condition, which can completely avoid the matrix inversion introduced into by constraints ( comparing with the normal rls ), is proposed for multi - path slow fading cdma channels. the computational complexity of this method is not only lower than that of the normal rls, but also lower than that of both lms and ls blind space - time receiver methods that are realized based on the rosen ' s gradient projection. and the speed of convergence of the presented rls blind space - time receiver algorithm is better than that of both lms and ls blind space - time receiver methods

    3 、針對多徑慢衰落通道下ds - cdma盲空時接收機中線性約束二次規劃問題提出一種新的歸最小二乘演算,該演算完全避免因約束而引進的矩陣求逆運算(相對于常規的歸最小二乘演算) ,不但運算量比常規的要低,而且比基於rosen梯度投影實現的最小均方( lms )與最小二乘盲空時接收機演算還低,且收斂速度比基於rosen梯度投影實現的最小均方( lms )與最小二乘盲空時多用戶檢測都好,將提出的新的歸最小二乘演算與提出的數據選擇方案結合起來可以進一步低其運算量,具有很大的實用價值,最後通過模擬實驗進一步分析了其性能。
  15. A bearing surface transmits the interaction between an arch dam and its foundation, the strength of which directly affects the constraint of the bedrock to the dam, and thus affects the stress and deformation of the dam. the influence is studied in this paper with nonlinear finite element method, as an example, for a high arch dam in design. the results show that the influence on stress is only limited within the local area near the bearing surface, larger on the maximum principal tensile stress than on the principal compression stress, and the decrease of the strength does not cause unlimited increase of the maximum stress. the influence on the displacement of the top of the dam is smaller than that of the bottom of the dam, especially the relative downstream displacement. at the lower strength of the bearing surface, the relative downstream displacement at the bottom of the dam increases with the decrease of the strength

    建基面是傳拱壩和基巖相互作用的紐帶,它的強度直接影響基巖對壩體的約束,從而影響壩體的應力和變形.採用非線性有限單元,以設計中的某高拱壩為例,分析建基面強度對壩體應力和變形的影響.結果表明建基面強度對壩體應力的影響僅限於建基面附近的局部范圍,對最大主拉應力的影響要大於對最大主壓應力的影響,建基面強度的低不會無限地增大壩體的應力數值;建基面強度對壩頂位移的影響較小,但對壩底位移(尤其是順河向相對位移)的影響較大,當建基面強度較低時,壩底順河向相對位移隨建基面強度的低而增大
  16. First, it delves into the key technique of eis ? image registration, and presents an effective registration algorithm which is from coarse toprecise and form local to global. second, it applies recursive kalman filtering technique inmotion filtering of registration parameters and makes motion compensation for practical image. finally, it takes advantage of mosaicking to reconstruct undefined regions to avoid theubiquitous information missing and image degradation. this algorithm has high precision as wellas high speed

    首先,對電子穩像中關鍵環節? ?圖像配準技術進行了深入研究,給出一種由粗到精、由局部到全局的高效配準演算;接著,採用了歸kalman濾波技術對配準參數進行運動濾波並對實際圖像進行運動補償;最後,利用了圖像拼接技術進行「無定義區」重建,避免了普遍存在的信息丟失和圖像質問題。
  17. Based on state - vectors load transfer method, this paper presents a new reliability analysis method of bored pile settlement. in the light of the eight full - scale piles, tests of the uncertainty analysis of pile settlement calculating by the new method is given. at last, this paper also analyzes the reliability of one of the eight piles

    根據樁周阻抗三階段理論,提出了用荷載傳計算單樁沉可靠度的方,根據8根試樁靜載試驗及其原位測試資料,對該方計算模式的不定性作了分析,並對其中一根樁的沉進行了可靠度計算。
  18. Based on the static pile testing, the analysis of load transfer and settlement and a new means to reach the bearing capacity of piles are reported in this paper

    在現場的樁基垂直靜載荷試驗基礎上,進行荷載傳機理分析和沉變形的階段性劃分,探討了確定單樁豎向承載力的新方,為工程合理、充分地利用承載力提供參考。
  19. 5. by applying our recurrence method of decreasing order, we obtain the close formulas of convoluted summations for generalized fibonacci - lucas numbers, euler numbers and genocchi numbers etc. furthermore, we obtain the computed formulae of the higher - order cumulants for a class of the lattice animal and some identities for riemann zeta functions and beta functions. 6

    建立,並用這種方得到廣義fibonacci - lucas數、 euler數、 genocchi數等的多重卷積求和的封閉公式,進而得到了若干riemannzeta函數與beta函數的恆等式以及一類latticeanimals的高階累積量的計算公式。
  20. The self - tuning fuzzy control algorithm including a back - propagation - based fuzzy controller and the gradient descent method is applied to reduce the pitch motion of the swath ship with control stabilizing fins

    控制模式為一自調模糊控制,包括應用一類神經倒傳觀念的模糊控制器及梯度下來減少縱搖運動。
分享友人