梯節數 的英文怎麼說

中文拼音 [jiéshǔ]
梯節數 英文
number of steps
  • : Ⅰ名詞1 (梯子; 樓梯) ladder; stairs; steps; staircase 2 (姓氏) a surname Ⅱ形容詞(形狀像樓梯的...
  • : 節構詞成分。
  • : 數副詞(屢次) frequently; repeatedly
  • 節數 : pitch number
  1. Section 3 and section 4 are the main parts of the paper. by employing the directional derivative and generalized gradient in the broad sense, as defined in this paper, the first order necessary condition and the first order sufficient condition of the single - objective non - smooth programming where the objective function is d - regular weak lipschitz function and constrained functions are regular weak lipschitz functions

    第三和第四是本文的主要章,以本文定義的廣義方向導和廣義度為分析工具,對目標函為d正則弱l函,約束函為正則弱l函的單目標非光滑規劃分別給出了一階必要條件和一階充分條件。
  2. Let / be a function from rn to r. following the definitions of the generalized gradients proposed by clarke and xu yihong, respectively, we define the d - regular weak lipschitz function and propose a new generalized gradient as follows where d _ f ( x ; d ) is the directional derivative of / in the direction d at the point x, namely some properties are proposed

    第二引入基本定義和記號,在clarke和徐義紅提出的各自的廣義度的基礎上,定義了一類d正則弱l函,且提出了一個新的廣義度。設f : r ~ n r ,其廣義度為其中為f在處沿方向d的方向導,即並給出了若干性質定理。
  3. 3. when the number of the nodal circles and the design frequency are given, the stepped circular plate satisfying the requirement can be designed

    在給出設計頻率和目的條件下,可以根據圓處振幅為零可以設計出任一個圓的階板的尺寸參
  4. Comparing to gearless traction machines, kaide series enjoy 40 % less starting current, 12 % more efficiency and physical size installation, which offer lower cost of the overall elevator configurations, such as reduced number of pilot wheels and steel ropes, and associated installation cost and trouble

    相較無齒輪曳引機,啟動電流降低40 % ,效率提高12 % ,又可1 : 1安裝,降低了整的配置成本(減少導向輪、鋼絲繩的量) ,省了安裝費用及相應麻煩。
  5. In order to raise the image expressing ability of the detail of potential field data, a method of determining color specification file based on field value gradient is brought up from the idea of non - uniform whole quantity

    為了提高圖像表達位場據細信息的能力,借鑒圖像灰度非均勻整量的思想,給出了一種基於場值度的色標文件生成方法。
  6. Because of the digitally rebalanced circuit, the sensor is capable of achieving better static and dynamic characteristic, higher sensitivity and stability. in this paper, the propagation path of light in the step index fiber and graded index fiber is introduced firstly. then the paper sets up the coupled power model and develops the coupling function

    在文中,首先介紹了光線在階躍型光纖和度折射型光纖中的傳播路徑,以及在一端鍍有反射膜的1 4波長度的grin透鏡中的成像規律,並推導了光功率耦合函
  7. Anfis based on takagi and sugeno ' s fuzzy model has the advantage of being linear - in - parameter ; thus the conventional adaptive methods can be efficiently utilized to estimate its parameters

    由於點參是線性的,用度下降和最小二乘的混合學習演算法來調,減少了運算量,加快了收斂速度。
  8. Recently, a great progress has been made in aerodynamic optimization design technologies based on computational fluid dynamics. the control theory approach advocated by antony jameson is the typical methodology among them. its major advantage is that the computation of the sensitivity derivatives of cost function with respect to design variables is nearly independent of the number of design variables, which greatly saves the computational cost

    近年來,計算流體力學( cfd )設計技術得到較大發展,其中最有代表性方法是jameson發展的基於控制理論(伴隨方法)的氣動優化設計技術,其顯著優點是目標函對設計變量的度計算幾乎與設計變量目無關,從而大量省了計算費用,並成為當前cfd領域的研究熱點。
  9. On the point of system, this paper mainly studies the optimal distribution of load in the machines of irrigation and drainage pumping station, the mathematical model and it ' s solution are studied among the machines in pumping station with two types of axial pump : full regulation or semi - regulation. this paper also studies the problems of the optimal day - operation of pumping station and the economical operation of grading pumping station. at the end, jiangdu pumping station is taken as a practical example to show the theory on economical operation of irrigation and drainage pumping station

    本文從系統的觀點出發,以排灌站機組間負荷的優化分配研究為主,分別對全調和半調軸流泵兩種泵型的排灌站機組間負荷優化分配的學模型及其求解方法進行了研究,同時對排灌站最優日運行方式及級泵站的經濟運行也進行了初步探索,最後以江都排灌站為例,建立了排灌站經濟運行的實用模型。
  10. The second chapter simply introduces the development of alternate asynchronous inverter technology and retrospects some types of energy - saving systems for hydraulic elevators. then the working principles of the project are discussed and analyzed at four different working status, i. e. light load upwards, heavy load upwards, light load downwards and heavy load downwards. and the chapter focus on the introduction of structure design of pump station, calculation and type selection of pump / motor reversible units, research on oil leakage principles of accumulator circuit, design of accumulator - pump / motor pressure - energy transformer and integrated valve blocks, etc. the last but not the least, the electrical wiring of vector inverter control cabin and design of computer control and data acquisition system are introduced

    論文第二章首先簡單介紹了交流異步電動機變頻調速技術的發展概況,在回顧電液壓控制系統能技術的基礎上,介紹了本課題研製的「採用蓄能器的液壓電變頻能控制系統研究」的基本原理,分析了動力系統在電轎廂輕載上下行、重載上下行等四種典型工況下的基本工作狀態和工作方式;詳細地介紹了本課題能系統液壓動力泵站的結構設計和參設計,重點研究了液壓動力泵站的結構設計、液壓泵馬達可逆性問題及其選型設計計算、蓄能器迴路泄漏油損失機理的研究及其補償裝置的設計、蓄能器-泵馬達壓力能量轉換裝置的設計、多功能集成控制閥組的設計等內容;最後簡單介紹了本課題矢量控制變頻控制櫃的外部附件電氣接線、計算機控制及據採集系統的硬體設計等內容。
  11. At some situation, some nodes pressure and supply of all water - supply sources are measured in xi ' ning ( resistance parameter of all pipes are known ). by using the pressure of the experiment and optimal measure points, the state simulation is done respectively to get all nodes " pressure. the comparison of the estimation results express that the optimal measure points is more representative than experiment one

    利用簡約度優化法求解給水管網狀態估計的最小二乘學模型,實測某一工況下西寧市配水管網部分點水壓h _ 0 、各水源供水量(管段摩阻已知)分別用優化選擇的測壓點水壓和按經驗選擇的測壓點水壓估計所有點的水壓,對西寧市配水管網進行了狀態估計。
  12. The power angle characteristics are acquired and compared with the unsaturated curves. it is concluded that the stability limit of the power angle is less than 90 degree. reactive power regulating curves are calculated and compared with those curves when saturation effect is not considered, the result is that u type curves are deviated to the right

    通過對同步發電機各種運行曲線的計算,在已有文獻的基礎上更進一步分析了鐵磁材料飽和以及磁場畸變對同步發電機運行特性和參的影響;求出了空載特性曲線和零功率負載特性曲線,在不同的電樞電流下計算得到的波電抗不同;求出了功角特性曲線,與不計飽和時的功角特性曲線相比較,功角穩定極限小於90 ;求出無功調曲線,與不計飽和時相比較, u型曲線向右偏移。
  13. Reinforcement learning algorithms that use cerebellar model articulation controller ( cmac ) are studied to estimate the optimal value function of markov decision processes ( mdps ) with continuous states and discrete actions. the state discretization for mdps using sarsa - learning algorithms based on cmac networks and direct gradient rules is analyzed. two new coding methods for cmac neural networks are proposed so that the learning efficiency of cmac - based direct gradient learning algorithms can be improved

    在求解離散行為空間markov決策過程( mdp )最優策略的增強學習演算法研究方面,研究了小腦模型關控制器( cmac )在mdp行為值函逼近中的應用,分析了基於cmac的直接度演算法對mdp狀態空間離散化的特點,研究了兩種改進的cmac編碼結構,即:非鄰接重疊編碼和變尺度編碼,以提高直接度學習演算法的收斂速度和泛化性能。
  14. This machine is a kind of radial riveting machine, the machine adopted the advanced radial technology, and its movement path likes the 11 pieces of plum blossom s shape, and using the screw pole to ascend and descend the work bench the head part is fixed, and the t - slot of bench can fix the clamping apparatus available, the center hole of bench and axis are coaxial, the one - way adjusting valve of liquid current is effectively controlled riveting speed

    Jm12 - c是液壓類中重型徑向鉚接機,除應用有第五代徑向鉚接技術外,該機加長了鉚接行程,該項參由普通機型的30mm加至60mm ,可滿足長行程深孔內鉚釘鉚接的要求。工作臺,並具有夾具形槽,工作臺中心孔徑與主軸軸線同軸,可用於夾具定位。氣路加裝雙向調閥,有效控制鉚接速度。
  15. Incorporation of kone technology and its mms modular design, original kone full - computer intelligent control system, 32 - bit networking micro - computer control, professional group control for 8 elevators, absolute value memorization of cars displacement, all these configurations fully ensure our passenger elevators excellent performance and powerful function. elegant interior car decoration bringing comfortable riding can satisfy different occasion and individualistic customer demands. passenger elevators with geared machine perform well and reliably

    引進通力技術,運用通力mms模塊化產品設計原裝進口全套通力全電腦智能型控制系統, 32位網路化微機控制8臺專家智能群控vvvf字化變頻驅動轎廂位移絕對記憶,配置高端,性能卓越,功能強大能滿足不同場合和客戶不同偏好需要的轎廂裝潢與人機界面,精緻豪華,令乘坐舒適愜意傳統有電,經典可靠採用來自通力領先業界的永磁同步技術的小無機房電能環保,省建築空間和造價。
  16. Thirdly, do theory analysis and parameters optimization. by modifying the parameters that make effect on the stiffness and the joint damping coefficient, confirm a set of parameters which can reduce the vibration and impulsion, meanwhile enhance the reliability and stability of the system. finally, design the experimental platform, and set up the testing system

    再次,對著陸在外拉力作用下進行理論分析和參調整,通過調整彈簧剛度、關阻尼系等參,分析各主要參對著陸釋放過程的影響,確定合理參,在保證著陸順利釋放的基礎上,減小釋放過程中的沖擊和振動,增加系統的可靠性和平穩性。
  17. A developed simple m - s model for image segmentation in geometric active contour model is presented based on intra - region similar and inter - region dissimilar properties. the model constructs an energy ( cost ) function, which is made of intra - region variations and weighting squares of subtraction of region mean values. using gradient - descent methods, the energy function is minimized and we get a curve evolution equation that segments image

    基於區域內一致性加權區域間差異性構造能量函,利用最陡度法使能量函最小化,提出了一種改進的簡化mumford - shah ( m - s )圖像分割模型,該模型利用區域內方差描述區域內一致性,區域間平均灰度值之差的平方描述區域間差異性,實驗結果表明,通過調加權系,該模型對弱邊界圖像分割具有較強的適應性。
  18. This thesis suggests a process considered minimizes the population size as similar individuals occur in the fitter members of the population, which helps reduce the execution times for ga by removing the redundancy associated with the saturation effect found in the later generation. this thesis uses a method that adds dynamic penalty terms to the fitness function according to the optimal degree of solutions, so as to create a gradient toward a feasible suboptimal or even optimal solutions. on the basis of the difference of the biggest and the smallest of fitness of individual, modifying the fitness function in order to convergence is a satisfaction

    動態調種群大小,去掉遺傳演算法在迭代後期搜索產生的過多相似個體,達到減少計算時間的目的;按照解的優劣程度給適應度函增加一個在ga搜索過程中動態改變的可變罰函,給搜索最優解創造一個度,使遺傳演算法收斂到可行的較優解或最優解;根據適應度值最大和最小個體的差修正適應度函,使適應度函值適中不容易造成收斂太快、局部收斂或根本不收斂而變成隨機搜索;為了避免「近親繁殖」採用競爭擇優的交叉操作;利用并行遺傳演算法的思想,提出一種自適應多子種群進化策略;提出人口汰新政策來解決類似甚至相同的個體的情況發生。
  19. Several influence factors to result plasma drift in hainan were analyzed. in this paper the characteristics of ionospheric parameters variation were analyzed systematically and some new results in storm - time such as seasonal behaviors were obtained ; it is the first time to investigate the ionospheric drift behavior in hainan and some new results was obtained, the relationships between each two plasma drift velocity components in storm time in hainan were found and the electric filed variation in hainan ionosphere also was obtained ; the results also show that there are big differences of the ionosphere parameters bo and bl obtained from the data with that obtained from the iri - 2001 applied for hainan ; a new phenomena was found during a strong magnetic storm, that a layer with very strong electron density and density grad was found during the recovery phase of the storm, its horizontal scale is beyond 100km and temporal scale is about 2 hours, this phenomena repeated 3 times continuously. a type of negative disturbance in high and low latitude but positive disturbance in east - asia also has been found

    本文較為系統地給出了海南地區電離層的參變化特徵,特別是得到了一些暴時與以往不同的季特性;第一次給出了海南地區的電離層等離子體漂移特徵,發現等離子體漂移暴時擾動在三個方向上有內在的聯系,得到了電場變化曲線;研究結果還表明海南電離層的半厚指和形狀參等與國際參考電離層iri - 2001存在很大差別;通過對強磁擾動事件期間的參變化特性分析發現,在磁暴恢復相期間海南地區電離層底部存在一個電子密度非常大的高密度區,高密度區底部電子密度度隨高度急劇增加,該區域的水平尺度可達100公里以上時間尺度約為2小時,連續出現過三次,這是一個在海南從來未發現的新現象;研究還發現了暴時東亞地區電離層擾動會出現高低緯負相而中緯正相的現象。
  20. When walking up and down stairs, have your child count the number of steps or chant a nursery rhyme

    父母可在孩子平常上下樓時,一層一層地目,或哼唱一些韻律性、奏感強的兒歌。
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