遞歸結構 的英文怎麼說

中文拼音 [guījiēgòu]
遞歸結構 英文
recursive structure
  • : Ⅰ動詞(傳送;傳遞) hand over; pass; give Ⅱ副詞(順著次序) in the proper order; successively
  • : Ⅰ動詞1 (返回) return; go back to 2 (還給; 歸還) return sth to; give back to 3 (趨向或集中於...
  • : 結動詞(長出果實或種子) bear (fruit); form (seed)
  • : Ⅰ動詞1 (構造; 組合) construct; form; compose 2 (結成) fabricate; make up 3 (建造; 架屋) bui...
  • 結構 : 1 (各組成部分的搭配形式) structure; composition; construction; formation; constitution; fabric;...
  1. We first present a number of desiderata for an xml - based query language, and based on this criterion, we introduce the syntax of a simple core ian - guage for semistructured data and then describe four extensions that have resulted in working prototypes. second, we present the algorithm for computing the result of a regular expression on data graph with cycles, the first - order interpretation of querying language for semistructured data, and explore structural recursion and bisimulation in semistructured data and propose an efficient and systematic way to computing a bisimulation between the two graphs. we also proposed and implemented a web querying system with database features

    基於這些準則,對一個簡單的半數據查詢核心語言的語法提出了兩方面擴充;給出了計算數據圖中正規表達式的演算法;對半數據查詢語言的一階邏輯描述、和數據圖的雙態模擬( bisimulation )等問題進行了研究,提出了一種判定數據圖的bisimulation演算法;在xml數據查詢語言研究的基礎上,設計並實現了一種具有數據庫查詢特性的web查詢系統原型。
  2. Iir filters are a kind of digital filters with recursive structure and are primarily used for high data throughput applications that can tolerance phase distortion and require a sharp cut - off characteristic

    本文討論的iir濾波器是一種遞歸結構的數字濾波器,主要用於能夠容忍相位失真而要求具有良好的衰減特性的高數據處理量的系統中。
  3. Two block time - recursive algorithms are developed for the efficient and fast computation of the 1 - d rdgt coefficients and for the fast reconstruction of the original signal from the coefficients in both the critical sampling case and the oversampling case. the two algorithms are implemented respectively by a unified parallel lattice structure. and the computational complexity analysis and comparison show that the proposed algorithms provide a more efficient and faster method for the computation of the discrete gabor transforms

    首先論證了一維rdgt系數求解演算法和由變換系數重建原信號演算法,不論是在臨界抽樣條件下還是在過抽樣條件下,都同樣具有塊時間特性,並提出了相應的塊時間演算法及其并行格型實現方法,計算機模擬驗證了并行格型實現的可行性,計算復雜性分析與比較也說明了rdgt塊時間演算法的并行格型在計算時間方面所具有的高速和高效性能。
  4. Neural network control is an important mode of intelligent control, and it is widely used in branches of control science, first, the architecture and the learning rule ( error back propagation algorithm ) of multiplayered neural network which is widely used in control system are presentedo especially, the paper refers to the architecture of diagonal recurrent neural network and its learning algorithm - - - - - recurrent prediction error algorithm because of its faster convergence with low computing costo next, before introducing the neural network control to the double close loop dc driver system, the controllers of current and velocity loop are designed using engineering design approach after analysis of the system, simulation models of the system are created

    神經網路控制是智能控制的重要方式之一,它廣泛應用於自動控制學科各個領域。本文首先敘述了控制系統中常用的多層前饋網路及演算法( bp演算法) ,特別提及了能夠較好描述系統動態性能的對角神經網路和在用推預報誤差演算法訓練drnn時取得了較快的收斂速度。其次,應用工程方法分析設計了tf - 1350糖分離機的電流、轉速雙閉環直流調速系統的控制器,作為引入神經網路控制的設計基礎,並建立了系統的模擬模型。
  5. The lazy evaluation feature is needed to handle recursive data structures like trees and graphs

    懶惰求值的特性常用在處理像tree或者graph這樣的數據上。
  6. Electronic transport in a quantum - dot superlattice, consisting of an array of negative potential, has been studied by making use of the recursive green ' s function method

    摘要用格林函數方法研究了一種周期排列而成的量子點超晶格中的電子輸運性質。
  7. In chapter 4 : the main methods of fractal simulation of the configuration of plants are analyzed and the difficulties in them are pointed out. then a simplified algorithm of l - system based on vrml is put forward. the detailed methods by which vrml interact with java are discussed

    第四章闡述了植物形態分形模擬的主要方法,指出其中的難點;接著提出了基於vrml的分形演算法;然後論述vrml和java合的途徑和具體步驟,並通過分形演算法生成了若干種具有交互性的三維分形植物的實例,應用到了虛擬場景中去。
  8. Present methods generally based on the statistics of earthquake damage, expert experiences, theory analysis and experimental researches have obvious advantages, disadvantages and certain scopes of application ; ( 2 ) different prediction methods should be adopted against different building conditions, sites, intensity and experiences etc to predict earthquake damage of buildings for prospective accuracy, dependability and availability ; ( 3 ) earthquake damage matrix, which is the foundation of earthquake damage prediction, of 7 kinds of building in the urban areas of zhangzhou city under intensity 6 to 9 has been set up. the damage conditions of different buildings under different intensity are as followings : all kinds of structures are basically intact under intensity 6 ; the reinforced concrete structures are basically intact under intensity 7, but other kinds of structures are destroyed slightly ; the reinforced concrete structures are still basically intact while other kinds of structures are destroyed intermediately under intensity 8 ; the reinforced concrete structures are destroyed slightly, single - story factories and open houses are destroyed intermediately and other kinds of structures are destroyed seriously under intensity 9 ; ( 4 ) the results of earthquake damage predicting of buildings embody the damage when earthquake happens in the future. thus, further identifications and reinforcements should be considered to buildings that will be destroyed intermediately or more under the earthquake with 10 % exceeding probability in future 50 years ; ( 5 ) the direct economic losses caused by damage of buildings resting with the area, structural type, intensity and damage of all kinds of buildings are the main part of the losses of the city in an earthquake ; ( 6 ) the direct economic losses increased progressively toward high intensity by 2 or 3 times

    基於上述研究,得出的主要論有:建築物震害預測是一個模糊的、系統的、復雜的問題,現有的方法很多一般都是以震害統計規律、專家經驗、理論分析和試驗研究為依據,有其自身的優缺點和一定的適用范圍;應針對不同的建築物條件、場地條件、地震強度和已有經驗等,採用不同的預測方法進行建築物震害預測,以使預測果達到預期的精確性、可靠性和可操作性;建立了漳州市區7類建築物在6度9度地震作用下的震害矩陣,成為指導抗震防災的重要依據,各類的震害情況表現為: 6度地震作用下各類建築物基本完好; 7度地震作用下除鋼筋混凝土基本完好外其餘以建築輕微破壞為主; 8度地震作用下鋼筋混凝土仍以基本完好為主而其餘建築以中等破壞為主; 9度地震作用下鋼筋混凝土以輕微破壞為主,單層工業廠房和空曠房屋以中等破壞為主,其餘建築以嚴重破壞為主;建築物的震害預測果體現了未來地震來臨時的震害程度,在編制漳州市區抗震防災規劃時,對于遭遇50年超越概率10的地震影響發生中等以上破壞的建築物應考慮進行抗震鑒定和加固;由建築物的破壞所造成的直接經濟損失是城市地震經濟損失的主要部分,重慶大學碩士學位論文中文摘要其主要與建築物總面積、類型、地震烈度和各類建築物的震害程度有關;不同烈度造成的直接經濟損失按2一3倍向高烈度方向增,漳州市區直接經濟損失由6度至9度的比例關系為1 : 2 . 8 : 8 . 6 : 22 . 8 ;遭遇基本地震設防烈度( 7度)時,漳州市區直接經濟損失約4 . 5億元,無家可人員約40000人,且以磚木和多層磚混的震害損失最大;地震造成的人員傷亡主要與建築物倒塌及嚴重破壞的程度和總面積以及震時的建築物室內人數密切相關,地震時無家可人員主要與住宅倒塌、嚴重破壞及中等破壞的程度和總面積以及城市人均居住面積密切相關。
  9. Based on the pilot studies on the evaluation index system and the method of sustainable development on loess plateau, this paper has designed the structure frame of the index system including three types of index including one advanced comprehensive index - the comprehensive index of sustainable development, five basic indexes and thirty element indexes, the analytic hierarchy process which can be used to calculate the sustainable development index weight supported by entropy technology. the model can be used to evaluate the sustainable development of loess plateau comprehensively integrated by mathematical method such as compositive appraisement method of hierarchy multilayer 、 main component analytical method 、 regression analytical method and so on. pilot study on the index system has been carried out on the leoss plateau of the northern shaanxi, and the results is promising

    通過對黃土高原可持續發展評價指標體系和方法的初步研究,設計出了包括1個高級綜合指標- -可持續發展綜合指數、人口狀況等5個基本指標和人口自然增長率等30個元素指標的層次性指標體系框架,熵技術支持下確定可持續發展指標權重的層次分析法,以及由階多層次綜合評價、主成份分析和回分析等數學方法所集成的可持續發展全面綜合評價模型,並以陜北黃土高原為例進行了具體的應用分析與評價。
  10. The crossed cube is a variant of the hypercube, and it has better recursive structure, graph parameters and topological properties

    摘要交叉立方體是超立方體的一個變種,具有良好的圖參數、拓撲性質和性。
  11. Parent groups are used for recursive hierarchies

    父組用於的層次
  12. Optional if this group is a recursive hierarchy, for parent group, type or select an expression to use as the recursive group parent

    (可選)如果此組是層次,則對于「父組」 ,請鍵入或選擇要用作組的父組的表達式。
  13. A new recurrent neural network structure, self - feedback diagonal recurrent neural networks ( sdrnn ), is also designed in this chapter. the learning algorithm of sdrnn is given and the convergence of this algorithm is proved. the simulation results show the validation of the structure and the learning algorithm

    在局部神經網路方面,提出了一種神經網路? ?自環對角神經網路( sdrnn ) ,給出了相應的學習演算法,證明了演算法的收斂性,並進行了模擬實驗。
  14. This paper makes researches on pdm ' s kernel function - pcm ( product configuration management ) under the conditions of autocad and low - price dbms witch could be acceptable in our middle or small factories. this paper mainly discusses the recursive query algorithm based on general database witch is offered in oracle, the problem of the automatic bom maker for autocad and conversion from bom to product structure trees. thus the data of autocad files could go into erp ( enterprise resource plan )

    本文從pdm理念出發,在我國中小企業普遍能接受的autocad和低價位數據庫管理系統的平臺條件下,對pdm的核心技術模塊pcm (產品管理)的實現進行了研究,重點解決了在一般數據庫中實現數據庫系統oracle中具備的查詢演算法, autocad環境下bom表的自動生成技術,以及bom表向產品樹的轉化問題,從而使cad數據通過bom表的橋梁作用進入erp (企業資源計劃)系統。
  15. The output sinr limitations of mmse and constrained mmoe optimal filter are derived in the cirsumstance aforementioned. these limitations constitute the base of the code - aided optimal filtering and nbi estimate - subtract filtering. this dissertation summarize the recursive least squares ( rls ) algorithm, blind recursive least squares algorithm and the qr decomposing for these two algorithms

    為自適應實現碼輔助最優濾波,本文系統總最小二乘( rls )和盲最小二乘( brls )演算法,以及兩者基於正交三角分解( qrd )的并行計算
  16. By analysis of the transfer function and modal shape, we can draw a conclusion that this system is different from the common frame structure and even different from other types of structure with special - shaped columns. so the necessity of the studying has been verified

    通過對傳函數的分析以及對模態振型的回計算,找到了該體系由於其特殊的施工方式和造措施與一般框架體系及異形柱填充墻體系相比所具有的特點。
  17. Considering the fuzziness of some boundary conditions enviroment media, and especially some loads in the engineering structure analysis, we go further into the computation based on the dynamic problem of fuzzy finite element ( ffe ), study further and systematically the analysis and solution. the principle of fuzzy minimum potential energy is established, and the balance equation of fuzzy finite element is reasoned by making fuzzy variation. at the same time, the dynamic balance equation of stochastic by making stochastic variation , also the fuzzy stochastic dynamic balance equation is deduced. based the theory that the degree of the fuzziness and probability can be measured, in the other word, by using the concept of fuzzy entropy and entropy, pure fuzzy dynamic structure is given through transforming the probability to fuzziness. for the fuzzy parameter can be regarded as a fuzzy vector with dimensions, the structure ' s eigenvalue, by the theory of small parameter

    建立了模糊瞬時最小勢能原理,運用模糊變分原理導出了模糊有限元動力平衡方程;同時,利用隨機變分原理導出了動力問題的隨機有限元方程,同時得到了模糊隨機動力問題的有限元平衡方程。根據模糊度和概率度可以度量的原理,即利用模糊熵和概率熵的概念,把的隨機性等效地轉化為的模糊性,得到純粹模糊性的動力。把所具有的模糊參數看作一個維的模糊向量,利用小參數攝動原理,把的特徵值,特徵向量和位移都在模糊向量的均值處進行泰勒展開,得到一組方程,即可以求得的模糊特徵值,特徵向量和模糊位移。
  18. The theoretical s - transfer function of ground - coupled envelope is deduced by laplace transformation. a simple polynomial s - transfer function is estimated from the theoretical frequency response of the ground - coupled envelope by frequency domain regression method, then we can calculate transient heat conduction through the ground - coupled envelope. it provides a novel idea to calculate the transient heat transfer from ground - coupled envelope more simply and efficiently

    用頻域回方法求出觸地多項式s -傳函數,通過實例驗證了多項式s -傳函數與理論傳函數的等價性,並計算出觸地圍護的反應系數、導熱z傳函數系數和地面瞬時熱流,這就為更簡單、高效地計算觸地動態傳熱提供了一種新的思路。
  19. This dissertation studies some structure properties and their applications to combinatorial sequences. the content is as follows : 1

    本文研究了組合序列的性質及應用,內容如下: 1
  20. Strand space including a partial order describing causal structure and a analog recursion method, brought forward the boundary of the attacker ’ s capacity which does not depend on idiographic protocols

    串空間方法包括了一個描述因果的偏序和一個類證明方法,提出了與所分析的具體協議無關的攻擊者能力邊界,是一種新型有效的形式化方法。
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