mathematical structure 中文意思是什麼

mathematical structure 解釋
抽象結構
  • mathematical : adj 數學（上）的，數理的；嚴正的，精確的。 mathematical instruments 制圖儀器。 mathematical logic...
  • structure : n. 1. 構造，結構；組織；石理，石紋。2. 建造物。3. 【化學】化學結構。4. 【心理學】（直接經驗中顯現的）結構性，整體性；整體結構。adj. -d ,-less adj.
  1. This paper analyzes the groundwater discharging course using fluidics theory and combining quay structure construction ; sets up the method of fast drainage by the dint of pipeline and blind ditch of fragment stone ; and gives the computational mathematical model for quay drainage and calculation formula for drainage process according to the principle of conservation of mass and underground percolation, which have been applied for quay ' s stability design and calculation

    應用流體力學理論結合碼頭結構建設，分析了地下水排泄過程，藉助管道和碎塊石盲溝建立了港口碼頭快速排水與擋墻基床排水的方法；運用質量守恆定律和地下水滲流原理，建立了港口碼頭排水計算數學模型和排水過程計算公式，並用在了碼頭的穩定設計計算中。
  2. The stress state in the stainless steel pipe - titanium alloy pipe - nitinb shape memory alloy connector system is analyzed by using the theory of solid mechanics and the recovery rules of nitinb shape memory alloy with constrains on the basis of analysis of the structure of the connector system and the all steps in the preparation and the service. a mathematical model for the strength was proposed. the temperature dependence of connecting force and the maximal stress intensity in the pipe connector in the process of preparation and service was studied by programming and computing. the computing results show that the difference of heat expansile coefficient between the coupling material and the pipe material leads to the strength of connector system at room temperature less than the strength at high temperature

    通過分析管接頭結構以及制備、使用的各個步驟，運用固體力學的基本理論，結合nitinb形狀記憶合金在約束下的回復規律，對不銹鋼- -鈦合金管- -四川大學碩士論文nitinb形狀記憶合金管接頭系統內的應力狀態進行了理論分析，建立了強度的數學模型，通過編程計算，研究了不銹鋼一鈦合金管一nitinb形狀記憶合金管接頭系統裝配及使用過程中的抱緊力以及最大應力強度隨溫度變化的規律。
  3. Secondly, the artificial neural networks and mixed evolutionary computation are employed into the mathematical simulation of complex geological structure, and with gis and visualization technique, the method of geological digital 3 - d modeling and visualization is presented. so, not only the functions of making geological section and querying spatial information could be achieved, but also the spatial distribution of geological structures and their complex relationship could be described visually. thereby an interactive and convenient way for engineering geological design could be actualized

    （ 2 ）提出了復雜地質構造數學模擬的神經網路方法與混合進化方法，並利用gis技術和可視化技術，深入研究了數字地質三維建模及其可視化方法，實現了地質三維任意剖切、信息空間查詢與管理等功能，從而為直觀描述地質構造的空間展布及其相互間的復雜空間關系，以及快捷、交互地進行工程地質設計提供了新的途徑與手段。
  4. The main research advances can be summarized as follows : ( 1 ) study the signal processing ' s performances and methods of homing torpedo system comprehensively, in order to setting up a corresponding mathematical models ; ( 2 ) analyze the ocean channel ' s effects on the work of homing system, then found some models such as target echo signal, noise ( including background noise, target radiating noise, etc ), ocean reverberation. according to them, simulate the array signal ; ( 3 ) the system structure, every function blocks composing are studied and founded thoroughly. then, discuss methods of signal processing in time domain and airspace domain ; ( 4 ) program the simulation software of torpedo ' s homing system according to the simulation models and flow charts, which connected with torpedo ' s control part

    本文所作的主要工作及研究成果主要有以下幾個方面： （ 1 ）對自導工作過程中的信號與信息處理的基本理論與方法進行了較為全面的研究，為建立一個較為完備的自導模擬系統提供了理論基礎； （ 2 ）討論了自導系統工作過程中海洋通道對目標回波信號與目標輻射噪聲信號等的影響，建立回波信號的數學模型、環境場中的噪聲信號模型（包括海洋環境噪聲、目標輻射噪聲與魚雷背景噪聲等）與海洋混響模型，模擬產生了聲自導系統基陣接收到的回波信號與噪聲信號； （ 3 ）深入研究並建立了自導模擬系統的總體框架，給出各個具體功能模塊組成，討論了聲自導系統對信號的時域與空域處理，並結合模擬程序中陣列信號處理模塊，給出固定多通道波束形成的模擬實現過程； （ 4 ）根據系統的模擬模型與已建立的模擬流程圖編制了通用魚雷模擬器自導系統模擬軟體，通過網路與控制系統相連，組成完整的魚雷模擬器。
  5. The structure and operating principle of an air - charged split - type adjustable shock absorber was described, e non - linear parameterized mathematical model of this shock absorber ' s damping characteristics was established according to fluid mechanics theory and the main structural affection factors to shock absorber ' s damping performance, such as the diameter of piston valve orifice, the diameter of adjustable orifice, the initial volume of gas chamber, the diameter of piston rod, the inner diameter of oil pipe and so on, were analyzed by simulations

    摘要通過分析一種分體式充氣可調阻尼減振器的結構和工作原理，運用流體力學理論，建立了該減振器阻尼特性的非線性參數化模型，模擬分析了活塞阻尼閥孔徑、阻尼調節孔徑、氣室初始體積、活塞桿直徑、油管內徑等主要結構參數對減振器阻尼性能的影響，通過試驗測試，得到了減振器樣件的阻尼特性及其可調范圍。
  6. 2. a method combining some of the composite space structural simulation, wavelet analysis, fuzzy mathematical, genetic algorithm, artificial intelligence, expert system, vibration diagnosis, acoustic sounding, supersonic flaw detection, radioscopy, infra - red detection and so on to diagnose the composite structure damage is discussed

    本文對把復合材料大跨建築結構模擬、小波技術、模糊數學、遺傳演算法、人工智慧、專家知識、振動診斷、聲發射技術、超聲波檢測、射線探傷、激光全息檢測、紅外線檢測等方法中的幾種融合在一起對復合材料大跨建築結構進行損傷診斷的方法進行了探討。
  7. The results indicate that ( a ) before heat treatment, with the increasing of substrate temperatures, content of lower valency ( tij + ) decreases, the stoichiometric proportion of o / ti in all samples is about 2 ; the films have amorphous incompact columnar fiber structure, and with the increasing of substrate temperature, the size of columnar fiber increases ; the films have good hyalescence in visible range and great absorbability at the wavelength of 350nm ; optical constants of the films are calculated from the transmittance spectrums in visible range by mathematical analysis of the orders of interference, the results show that the refractive ind

    研究結果表明， （ a ）熱處理前，隨著基片溫度的增加，薄膜中的低價氧化鈦含量逐漸減少，化學計量比趨于o ti = 2 ；薄膜具有非晶態不緻密的柱狀纖維結構，柱狀纖維的尺寸隨基片溫度的升高而增加;薄膜在可見光范圍內透明，在波長為35onzn時嚴重吸收，利用干涉級次法分析了薄膜的光學常數，結果表明，薄膜的折射率隨基片溫度的升高而增加，根據計算結果得到了tioz薄膜在不同基片溫度下的折射率色散曲線。
  8. Based on profound investigations and analyses of agents coalition structure and formation, coalition problems are separated into two types in this paper. the mathematical models of these two types of problem are also been founded

    本文在全面分析和研究agents聯盟的結構和形式的基礎上，將agents聯盟問題分為兩種類型，並為這兩種問題建立了數學模型。
  9. Data procession and analyzing, the paper first use regression analysis model to analyze the relationship between economic benefit and land use structure, ecological benefit and land use structure. then, the paper based on the results, use mathematical of multi - objective programming to determine the land use structure in the hilly countryside of sichuan. lastly, the paper analyzed the laws of land use structure optimization in the different relevance of economic county

    本文以四川丘陵區各典型丘陵區縣為例，在土地利用結構最優思想的指導下，通過數據的收集、整理與分析，首先採用回歸分析的方法，分析了該區的經濟、生態效益與土地利用結構的相關性，然後以回歸分析所得的回歸系數為效益系數，在不同經濟發達程度的區域，各選取三個區縣，以經濟、生態效益最優為目標，以社會條件為約束條件，建立多目標規劃模型，得出該區縣的土地利用優化結構。
  10. A technique of 3 - point positioning of welding seams with structure - light visual sensor is presented. with this technique, arc - welding robots can cope with the location variation of weld seams each time in batched manufacturing. on the base of suitable mathematical description, the localization problem is transformed into determining a displacement transformation matrix

    在此系統中利用機器人結構光視覺三點焊縫定位技術，使弧焊機器人可以適應批量生產中每次焊縫位置的變化，通過適當的數學描述，將焊縫定位問題轉化為確定位姿變換矩陣。
  11. The train of thought is : on the basis of the different factors and importance which effect the land use intensive level, economic benefit and environmental benefit, it determines the evaluation index system and the weight value. based on the standardized firsthand data, it defines weighted sum to found a composite index. thus arranging the composite index in mathematical order, it fixes quantitatively the land use intensive level, economic benefit and environmental benefit to demonstrate quantity, structure, scale, benefit and distribution on land use in small - towns of chongqing

    其評價思路為:根據影響小城鎮土地集約利用水平、土地利用經濟效益、環境效益的各因子及其重要程度的不同，確定評價指標體系及指標權重，在對原始數據標準化的基礎上，按照指標權重，將各指標值加權求和，得到小城鎮土地集約利用、土地利用經濟效益、環境效益的綜合指數，按綜合指數從大到小的順序對各評價單元進行排序，定量地確定小城鎮土地集約利用水平、土地利用經濟效益、環境效益，從而找出重慶市小城鎮土地利用的數量、結構、規模、效益特徵及布局特點，根據小城鎮土地利用與區域社會經濟發展的互動關系，分析存在的問題及原因，為小城鎮土地利用優化配置、小城鎮建設用地指標管理提供借鑒。
  12. Different equations to corresponding components are presented by analysing and transformating the general equations of fluid routes, then static characteristics mathematical model of liquid propellant space propulsion system is presented. based on the data of static characteristics calculation, mass model of thruster, propellant, propellant tank, gas, gas bottle, pipe and valve is presented using both the method of statistical regression and the method of stress analysis, then corresponding mass model is presented. based on the characteristics of liquid propellant space propulsion systems, analyse the five phases ( concept and definition, design and improvement, manufactureing and arrangement, operation and ma intenance, disposal ) in which life cycle cost of liquid propellant space propulsion systems is cost separately, then discompsed structure of life cycle cost and model of life cycle cost are presented

    將組件分成氣路組件和液路組件，再對氣路組件和液路組件進行相應的分類，然後通過對通用流路方程進行分析和變換對不同類型的組件分別建立不同的方程，從而建立了一個適用於液體推進劑空間推進系統的靜態數學模型；根據靜態計算所得到的數據，應用統計回歸法和應力分析法分別建立推力室、推進劑、推進劑貯箱、氣體、氣瓶以及導管和活門等的質量模型，從而建立相應的質量模型；結合液體推進劑空間推進系統特點，對液體推進劑空間推進系統全壽命周期費用發生的五個階段（概念和定義、設計和改進、製造和安裝、運行和維修、處理）分別進行分析，建立了液體推進劑空間推進系統全壽命周期費用分解結構和全壽命周期費用模型。
  13. In the part of orbit control, the main ideas in study is to define the nonlinear control system on a riemann manifold from the global viewpoint, and to build the intimate relation between the geometrical structure of state space and the state equation of nonlinear control system ; in the part of attitude control, the main ideas in study is to deduce mathematical model with good character based on global differential geometry ideas as well as li group and li algebra, moreover, to design corresponding control schemes

    在軌道控制部分，研究的主要思想是從整體化的觀點出發定義一種建立在riemann流形上的非線性控制系統，將狀態空間的幾何結構與控制系統的狀態方程建立直接的聯系。在姿態控制部分，研究的主要思想是以整體微分幾何方法為工具，以李群與李代數等數學理論為基礎，從數學角度建立具有良好性能的數學模型，並設計出相應的控制方法。
  14. The conclusion shows good students and lagging students have a great distinction in mathematical cognitive structure

    從分析中可以看出，優生與中差生在數學認知結構上存在著顯著的差異。
  15. Firstly, this thesis supports the relevant service theoretical concepts defined by the relevant service from the western theory, then grams of " service profit chain " theory and uses the service quality gap model ( gap model ) that scholars such as parasuranman, used the service quality gap model inside hotel enterprises, then combines the service quality state of the interior employee of hubei h hotel enterprise, through internal service quality scale ( internal servqual ) and spss10 which scholars such as hallowell, to put forward grade statistical analysis software comes to weigh the level of the service quality inside hotel enterprises and test the standard. then this thesis also regards the mathematical model that service quality gap tests. this thesis is divided into five parts on the structure : part one : introduction

    本論文首先對服務理論中的相關概念進行了界定，通過借鑒西方領域服務的相關理論，提出了自己對服務的認識，然後以赫斯克特（ james . l . heskett ）等學者提出的「服務利潤鏈」概念模型為線索，綜合運用parasuranman等學者提出的服務質量差距模型（ gap模型） ，提出了飯店企業內部的服務質量差距模型，緊接著結合湖北h飯店企業內部員工的服務質量狀況，藉助hallowell等學者提出的內部服務質量量表（ internalservqual ）和spss10 . 0等統計分析軟體來衡量飯店企業內部服務質量的水平與測評標準，並在此基礎上得出適合飯店企業內部服務質量差距測評的數學模型，相信可以對中國飯店企業內部服務質量的具體運作和測評有一定的指導作用。
  16. The formulation of a mathematical model of a structure first requires the idealization of the structure into a mechanical model.

    欲建立結構物數學模型，首先要求將結構物理想為一個力學模型。
  17. Altogether the string picture looks more complicated than kaluza - klein theory, but the underlying mathematical structure is actually more unified and complete

    綜合而言，弦的圖像看似比卡魯扎?克萊恩理論來得復雜許多，但事實上弦論所本的數學結構更一致而完備。
  18. Perhaps with the right additions or a new mathematical structure, a quantumlike theory could be developed that would successfully approximate general relativity in the nonquantum regime

    也許加了正確的東西或是新的數學結構，就可以發展出一個能在非量子領域，成功趨近廣義相對論的量子理論。
  19. Besides network coding theory, professor yeung also has made breakthrough contributions in recently years to the research on the mathematical structure of information measures

    除了網路編碼理論，楊教授近年亦在研究訊息量的學結構上取得重大突破。
  20. From the perspective of theory, it is aclassification of the large number of the portfolio models in accordance with theirinherent mathematical structure. from the perspective of calculating, it to dealwith the six separate calculations in unified basis, and enhanced computing e ? - ciency, facilitate practical application, reducing confusion that many complicatedmodels giving to investors

    從理論的角度看，它是對數量眾多的投資組合模型根據其內在的數學結構進行的一次分類整理;從計算的角度來看，它把六種需要各自處理的計算統一處理，提高了計算效率，便於實際應用，減少了紛亂繁雜的眾多模型對投資者的迷惑。
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