數學系統理論 的英文怎麼說
中文拼音 [shǔxuéxìtǒnglǐlún]
數學系統理論
英文
mathematic system theory- 數 : 數副詞(屢次) frequently; repeatedly
- 學 : Ⅰ動詞1 (學習) study; learn 2 (模仿) imitate; mimic Ⅱ名詞1 (學問) learning; knowledge 2 (學...
- 系 : 系動詞(打結; 扣) tie; fasten; do up; button up
- 統 : Ⅰ名詞1 (事物間連續的關系) interconnected system 2 (衣服等的筒狀部分) any tube shaped part of ...
- 理 : Ⅰ名詞1 (物質組織的條紋) texture; grain (in wood skin etc ) 2 (道理;事理) reason; logic; tru...
- 論 : 論名詞(記錄孔子及其門徒的言行的「論語」) the analects of confucius
- 數學 : mathematics
- 系統 : 1. (按一定關系組成的同類事物) system 2. (有條理的;有系統的) systematic
- 理論 : theory
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Based on consider hereinbefore, this dissertation discusses several aspects on the problem of the sustainable and optimum exploitation of groundwater resources as follows : ( 1 ) reviewed entirely the origin and evolvement of the concept " sustainable development ", stated and commented the study status in queue on " sustainable development " around national and international range, thorough discussed the science connotation about the concept " sustainable development " ; ( 2 ) looked back and commented across - the aboard some furthest basic concept and proposition related to groundwater resources, put forward self opinions on a few existent mistake points of view and chaos understandings ; ( 3 ) expatiated entirely on the content and meaning of the theory of changeable groundwater resources system, contrast with the traditional methods of groundwater resources calculation and evaluation, combined example to show the application of this theory ; ( 4 ) thorough analyzed the difficult and complexity to forecast the groundwater resources, fully stated the traditional methods of groundwater resources forecasting, pointed out the characteristic and applying condition of these forecasting method, introduced the main ideas and methods of wavelet analysis developed recently, and the matlab software be known as the fifths era computer language, and its accessory wavelet analysis toolbox, applied these methods and tools to analyze the groundwater dynamic curve, adopted the b - j method and morte - carlo method, combined with the theory of changeable groundwater resources system, discussed the new view on the forecast of groundwater resources ; ( 5 ) synthetically analyzed the characteristics and limitations of the present all kind of groundwater manage model, combined mathematical programming mathematical statistics random process and the theory of variation system of groundwater resources on the unite optimum attempter of surface water and groundwater, emphasized how to make the model more nicety, more simple, more practicality ; ( 6 ) analyzed the inside condition and outside condition to assure the sustainable and optimum exploi tation of groundwater resources, the inside conditions are the follows : correct resources idea, scientific methods of resources calculation and evaluation, credible forecast methods of resources, exercisable measures of resources management, the outside conditions are the follows : the development idea of high layer, the transform of manage system, the matched policy and rule of law, the adjusted of economy lever, the improve of cultural diathesis, the boosting up of water - saving consciousness and detail measures, the control of population rising, the prevention and cure of water pollute, the renew and rebuild of ecology ; ( 7 ) scan the sustainable and optimum exploitation of groundwater resources from the high level of metagalaxy, earth system science, and philosophy ; lint out the more directions on groundwater resources
基於以上考慮,論文主要從以下幾方面對地下水資源可持續開發問題進行了比較深入的探討:全面回顧了「可持續發展」概念的由來與演變,對國內外「可持續發展」的研究現狀進行了述評,並對「可持續發展」概念的科學內涵進行了深入探討;對涉及地下水資源的一些最基本的概念和命題進行了全面的回顧和評述,對目前仍然存在的一些錯誤觀點和混亂認識提出了自己的見解;全面闡述了地下水資源變值系統理論的內容和意義,並與傳統的地下水資源計算評價方法進行了對比分析,結合實例具體說明了方法的應用;深入分析了地下水資源預測預報工作的極端重要性和復雜性,對傳統的地下水資源動態預測方法進行了全面的評述,指出了各類預測預報方法的特點及適用條件,對最近二十多年剛發展起來的小波分析技術的主要思想和方法及其應用范圍,以及號稱第五代計算機語言的matlab軟體和附帶的小波分析工具箱進行了介紹,並應用於地下水動態過程線的分析,採用時間序列中的b ? j法,蒙特卡羅方法,與地下水資源變值系統理論相結合,探討了地下水動態資料分析和地下水資源預測預報的新思路;綜合分析了現今各類地下水管理模型的特點及缺陷,將數學規劃、數理統計、隨機過程等與地下水變值系統理論相結合進行地表水地下水或多水源的聯合優化調度,使模型更準確、更實用;對保證地下水資源可持續開發的內部條件和外部條件進行了分析,內部河海人學博卜學位論文前言、摘要、目錄條件主要是正確的資源觀,科學的資源計算與評價方法,可靠的資源預測預報技術,可操作的資源管理措施,外部條件主要是高層發展思路、管理體制的變革、配套的政策法規、經濟杠桿的調節、人文素質的提高、節水意識的增強及具體節水措施、人口增長的控制、水體污染的防治、生態的恢復和重建等;從宇宙科學、地球系統科學及哲學的高度審視地下水資源的可持續開發;指出了地下水資源可持續開發的進一步研究方向。China has a vast population and a broad market, thus liquor consumption owns a considerably potential market in china. however, due to the intence yet disorder competition of the present market, the marketing of the liquor industry in china has fallen into an rather awkward dilemma. the hidden trouble, the lurking danger, cause the businessmen in this line unable to extricate themselves from a low - leveled ricious competitive cycle. such severe challenge also confronts yuechitequ company. therefore, the most urgent problems waiting for resdring lie in how to take advantage of the present resoures effectively, how to distinguish the market situation, and how to institute a scientific product - popularizing programme in order to keep the enterprise standing undefeated in the intense competition, and develop the enterprise rapidly, favorably. this thesis makes a thoughtful analysis about the external conditions of market and internal ones resources in the yuechitequ by means of inrestication through questionaire and scientific data processing. in the second part, with the application of stp system theory of marketing and new - product - pricing theory, it designs and further expounds the popularization of the new products of this company, then forms a excutable performance and makes a constant rerision via market practice. in this way can it explor a suitable road to popularize the products in the liquor market, help the enterprise to free from the difficulties and progress healthely, consitently
本文通過在岳池特曲公司現有產品市場進行問卷調查,運用科學的數據處理方法對所回收的658份問卷統計分析,以及利用美國哈佛大學商學院著名教授邁克爾?波特( michaelporter )提出的五種力量模型和價值鏈與vrio分析理論,對白酒市場的公開數據細致分析,以明確四川省岳池特曲酒業有限公司實施新產品市場推廣所面臨的市場條件和內部資源條件,在此基礎上,本文運用市場營銷學中stp系統理論、新產品定價理論等,對岳池特曲公司推出的白酒新產品進行市場細分、確定目標市場和市場定位,並根據市場營銷4p理論制定新產品的產品策略、價格策略、渠道策略、市場促銷推廣策略,形成最終整體完善的可執行方案,再通過市場實踐對推廣方案進行檢驗、修正,力圖在酒類市場中探索一條新產品市場推廣的適用道路,並幫助企業擺脫困境、邁開步伐、持續健康的發展。In the process of the system study, the knowledge in the domain of ship collision avoidance is analyzed and the collision mechanism, process and the tactic are studied firstly. and then, using the fuzzy mathematics theory, the fuzzy mathematical model of judging collision risk is built, which take into account of the factors such as ship maneuverability, visibility and so on. in addition, based on the expert system theory, a design method of ship intelligent collision avoidance expert system is put forward, and the frame of ship intelligent collision avoidance expert system is built
在系統的研究過程中,首先對船舶避碰領域知識進行分析,並研究了船舶碰撞的原理、過程及對策;然後運用模糊數學理論,建立了一種評判碰撞危險度的模糊數學模型,該模型考慮了船舶的操縱性能、能見度等多種因素;接著根據專家系統理論,提出了一種船舶智能避碰專家系統的設計思路,並構建了一種船舶智能避碰專家系統的框架;最後以visualbasic6 . 0作為軟體開發平臺,設計了一種具有良好的可視化人機交互界面的船舶智能避碰專家系統軟體。The stability of electric power system has been being focused for a long time toprevent a power system from losing synchronism after sudden fault , researchers have done much work and got many accomplishments this paper applied the direct feedback linearization ( dfl ) technique on the power system , a strong nonlinear system simulation results by matlab proved this method efficiency main works and results are as follows : this paper compared some existing methods in excitation control , fast valve control and coordinated control respectively, analyzed the developments and actuality of nonlinear control research in brief, illustrated why ransient stability could be greatly improved by using the fast valve control in chapter 3 , indicated the importance of coordinated control farther this paper introduced the inverse system theory, based on which , discussed the dfl theory, pointed out which had consistency with the inverse theory, expanded the dfl theory combined the idiographic model equations , made which adapt to the model of a single machine - infinite bus power system this paper referenced abundance articles and educed a set of equations , which could describe the dynamical process of excitation and fast valve control for synchronous generators in the equations , there were several very important parameters of power system - - rotor angle ( ) , rotor speed ( ) , generator q axis voltage ( eq ) , transient voltage ( e ' q ) , active power ( pe ) , mechanical input power ( pm ) , valve opening ( ) , generator terminal voltage ( vt ) , based on the model , nonlinear coordinated controller and terminal voltage optimal controller have been designed by using the expanded dfl theory and lq optimal control theory the simulation results showed that the controller could keep power system transiently stable under the effects of a symmetrical 3 - phase short circuit fault , which achieved better postfault regulation compared with another two routine methods , one is the proportion excitation controller and proportion fast valve controller, the other is the proportion excitation controller and the optimal fast valve controller, which could exert good performance when met 1ittle disturbance either
在介紹逆系統理論的基礎上,詳細介紹了dfl理論,通過比較闡明了dfl理論其本質是逆系統方法的一類,並結合具體課題推導出的模型方程將dfl理論進行了擴展,使之適應于電力系統這個強非線性對象。通過參考大量的書籍文獻推導出一套實用的可將大型汽輪發電機勵磁與汽門綜合起來進行控制的模型方程,此模型方程涵蓋了電力系統中特別引人注目的幾個量- -轉子角、轉子轉速、發電機q軸電勢eq 、暫態電勢e ' q 、有功功率pe 、機械功率pm 、汽門開度、機端電壓vt ,在此基礎上建立了實用的電力系統簡化的數學模型,並將擴展的dfl理論應用於此模型系統,結合線性二次型最優控制理論設計出大型汽輪發電機的非線性綜合控制器及機端電壓最優控制器,通過模擬實驗與採用常規的按電壓偏差進行調節的比例式勵磁控制器+汽門比例控制及採用常規的按電壓偏差進行調節的比例式勵磁調節器和基於二次型性能指標設計的最優快控汽門(考慮發電機的飽和因素)進行了對比,證實了採用此種控制器可以有效地提高電力系統的暫態穩定性,並且在電力系統遭受小干擾時同樣具有良好的調節性能。According to the practical observation, a math method to calculate the traffic capacity is discussed. a grey incidence analysis model is set up to analyze incidence degree between environment factors and the vessel accidents in port in order to find out the instinct reason in chapter 4. that the visibility and the vessel traffic are the most two important factors is concluded
第四章利用灰色系統理論對港口船舶交通事故主致因進行灰色關聯分析,並且對計算模型的改進提出了作者的見解,用灰色綜合關聯度的數學模型對沿海六個港口環境因素八個指標與船舶交通事故的關聯度進行了定量的計算;指出能見度不良和港口船舶交通量是港口環境中導致船舶交通事故的最主要影響因素。The indexes systems of drought - resistance identification were established quantitative analyzing with methods of grey correlation degree, subordinate function values and systematic analysis of clustering
在研究結果的數量分析過程中借引了灰色系統理論及灰色關聯度分析法,以及隸屬函數值法等數學統計分析方法對玉米抗旱性鑒定指標進行評價。In the course of modeling, we present multi - step generalized gradient method and multi - stage curve fitting technique, prove convergence of multi - step generalized gradient method by using differential equation stable theory, analyze the error of multi - stage curve fitting technique by using inner space, creat knowledge base of water network system by using the maximum subordinate principle of and near - select principle of pattern recognition. at last we make the optimal running scheme of water network system based on heuristic search technique of artificial intelligence and global feedback immediate coordination method of large scale system theory
在建立系統模型的過程中,提出了多步廣義梯度法和多層曲線擬合的建模方法,並用微分方程穩定性理論證明了多步廣度梯度法收斂性,用內積空間的有關知識對多層曲線擬合進行誤差分析;應用模糊數學中的最大隸屬度原則和模糊識別中的擇近原則和人工智慧中狀態空間表示法建立注水系統的知識庫;用人工智慧中的啟發式搜索技術和大系統理論中的具有全局反饋的直接協調法制定注水系統的優化運行方案。The water quality respond relation of input - output measurements are established by systematic theory in this paper. according to the peculiarity of hydrology and the necessity of water quality inverse problem the multi - parameter inverse problem model based on ordinary differential equation is developed. the existence and uniqueness of the solution of the ordinary differential equation about two parameters or multi - parameter are to be proved. the unstability depending on errors between monitoring data and interpolation approximate data are analyzed and demonstrated. cubic spline interpolation function, the least two multiply and positive rule method are conjoined for obtained solution of multi - parameter. the results from this algorithm indicats its efficient to the multi - parameter identification in water quality modeling
本文應用系統理論,建立了水質多參數輸入輸出之間的響應關系;根據河流水文水質變化特點和參數反問題的需求,建立了水質常微分方程多參數反問題模型.根據常微分方程參數反問題的數學理論,作者給出了兩參數和多參數水質常微分方程反問題的解的存在性、唯一性的理論證明過程和結論;還針對水質現有監測資料的測驗誤差和插值近似計算誤差造成參數反問題的不穩定性,將三次樣條插值函數、超定方程最小二乘法和正則化演算法有機地結合使用,成功地給出了水質參數反問題的穩定化演算法.最後給出了應用計算結果This paper establishes the mathematic model according to the second law of newton and the foundation of the dynamics and analyses respective the force of cart and pendulum adopted the concept of " the equivalent cart " to linearization. the paper specialize the control ability of pendulum system using linear system theory and perform the control of the inverted pendulum applying state feedback theory through pole collocate
本文首先利用牛頓第二定律及相關的動力學原理建立二級倒立擺的數學模型,對小車和擺分別進行受力分析,並採用等效小車的概念進行線性化處理,並運用線性系統理論分析了這個系統的能控性,提出了應用狀態反饋理論,通過極點配置實現對倒立擺的控制。Abstract : according to working characteristics of the mechanical construction system of cement concrete pavement, this paper presents the mathematical model of this system by applying the theory of stochastic service system to describe the motion law of the mechanical construction system
文摘:根據高等級公路水泥砼路面機械化施工工藝,利用隨機服務系統理論,提出了水泥砼路面機械化施工系統的數學模型,動態地描述了水泥砼路面機械化施工系統機械運行的一般規律At first, i developed the principle and restrictive factor to optimize the investment structure of regional industry ; secondly, i applied the grey theory to research the relationship between structure of investment and structure of industry, the relationship between structure of industry and economy of region. ; thirdly, three methods, including ahp, principal component analysis and relative potential were exerted to research the order of investment afterward, i developed qualitative analysis to the third industry, and put forward suggest to its progress direction ; fourthly, using economics and operational research ' s thoughtway for reference, i upbuilt the dynamic model of investment portion model. at last, according as the regional concrete situation and market environment of wto transition period, i developed some policy suggests, in order ensuring the optimization of investment structure to be realized successfully
首先,提出了優化區域產業投資結構的原則和制約因素;其次,運用灰色系統理論對區域的產業結構與整體經濟、投資結構與產業結構的關系進行論證分析;第三,建立了區域產業投資結構評價指標體系,並運用ahp法、主成份分析法和相對勢法對河北省第一、第二產業投資排序進行了研究,然後,在充分利用現有數據的前提下對第三產業進行了定性的分析,並對第三產業的發展方向提出了建議;第四,借鑒了經濟學、管理學、運籌學等一些理論的思想方法,建立了區域產業連續投資分配比例模型;最後,根據河北省情,結合中國進入wto的過渡期市場環境,提出了一些政策建議,以達到實現河北省產業投資結構優化的目的。2. reject the conventional synthetic evaluation method and use five new type methods such as fuzzy theory, gray relation analysis, dba, catastrophe theory and bp networks to establish the evaluation models, then go on the demonstration research taking the stocks of listed company in qingdao as an example
(二)摒棄傳統的常規綜合評價方法,採用模糊數學、灰色系統理論、 dea 、突變論、神經網路五種新型方法,建立股票價值評價模型,並以青島地區上市公司的股票為例,進行實證研究。Based on the theories such like industry economics, religion economics, system engineering and mis, together with the research data, the thesis defines the broad conception and flow chart of reconversion ; defines the conception of the reconversion environment, summarizes the factors based on much examples and establishes the evaluation system qualitatively ; also introduces the evaluation system quantitatively. at last the thesis evaluates the reconversion environment using the system based on the facts of west industry, evaluating the effectiveness of the factors in it. to find the key factors and then bring out the according suggestion
論文基於相關理論(產業經濟學、區域經濟學、系統工程學、信息系統學等)的思想,並結合外部調研的數據,運用比較分析和歸納的方法界定了產業轉型的廣義概念,提出產業轉型的一般流程;指出產業轉型環境分析的概念及必要性,在大量事例的基礎上總結環境要素,構建定性的環境評價體系;應用系統工程理論與地理信息系統理論,介紹定量的評估方法;最後從西部產業的實際情況出發,應用產業轉型環境評價體系,評估目前西部產業轉型環境要素的支撐能力,找出關鍵要素,並給出相應政策建議。The grey system theory is applied to analyze the deformation condition, structure behavior and safety behavior of dams combined mathematics, mechanics and dam engineering knowledge. in this paper, some new effective models and methods are presented. the main contents are described as follows : 1
本文應用灰色系統理論,並結合數學、力學和壩工知識對大壩的變形狀況、結構性態和安全狀況進行了系統地分析和研究,提出了一些具有實際意義的大壩安全監控方面的新模型和新方法,其主要內容如下: 1About the confirmation of the position evaluation factors scale, the thesis has put forward using the fuzzy analytic hierarchy process ( fahp ) to evade subjective factor influence and make the position evaluation system more scientific. the thesis makes use of mathematics tools, such as the standard deviation of the sample, variation coefficient, etc. to analyze the deviation that the judge panel give a mark, and carry on effective correct ing
其中在崗位評價因素權重的確定問題上,提出藉助模糊層次分析法( fahp )的系統理論來規避主觀因素的影響,使崗位評價體系的設計更趨科學化;還利用樣本標準差、變異系數等工具來分析評委打分的偏差,進行有效的糾錯處理。4. taking example for dimension accuracy, and applying modem mathematical methods such as time series analysis, grey system theory and artificial neural network theory, the mathematical models of dynamic loss of manufacturing accuracy are established. the comparison of the accuracy of each model is made by illustrations
以尺寸精度為例,分別應用時間序列分析、灰色系統理論及人工神經網路原理等現代數學手段建立了加工精度動態損失的數學模型,通過實例進行了各種模型精度的比較。Scores of years ago, the research on the theory of complex system attracted many scholars ’ attention, and lots of fruits were developed
近年來,復雜性科學的研究在國內外迅速興起,其中對復雜系統理論的研究已經遍布當前科學所能涵蓋的大多數領域。After analyzing and studying the characteristics of the sequence generation of grey system theory, this paper proposes the concept of three - dimensional data sequence, extends the grey system theory from one - dimensional data sequence to three - dimensional data sequence and enlarges the application range of the theory in engineering. this paper also proposes a decomposition coefficient selection method and a partial concave - convex characteristic decision method to the preference generation, which can solve the problem that the internal point generated by the original method was inconsistent with the actual system. considering the errors existed in ends generation with step ratio and smooth ratio methods, the author proposes a tendency average generation and improves the quality of the generation greatly
灰色建模與逆向工程兩者有其十分相似的內在關系,本文通過學科交叉,深入研究兩種不同學科理論,在繼承灰色系統理論這一我國原創性理論思想的基礎上,補充和豐富了新的內涵並將其滲透到逆向工程中的數據測量與數據處理技術的應用之中,使機械工程中甚少應用的這一灰色系統理論得到了進一步的拓展,主要成果如下: 1 .分析研究了灰色系統理論中序列生成的特點,提出了三維數據序列的概念,將灰理論的一維數據序列拓展到三維數據序列,拓寬了灰理論在工程中的應用范圍;提出了有偏生成演算法中生成系數分解選取方法和數據序列點局部凹凸特性決定生成系數的方法,解決了原有方法生成內點與實際系統不一致的現象;針對級比和光滑比用於生成端點有較大誤差的情況,提出了趨勢均值生成演算法,大大提高了端點生成的精度。The article proposed one kind of new image restoration method : through the analysis of the reason of the image degeneration, using the fourier transforms theory and the optical system theory, through the union of mathemetics, optics and digital image processing the discipline and so on, established the new model of image restoration, caused x light fiim of the digitized image clarity greatly to enhance, basically has realized x light without film
文章提出了一種新的圖像恢復的方法:通過分析圖像退化的原因,利用傅立葉變換理論及光學系統理論,通過對數學、光學及數字圖像處理等學科的結合,建立了新的圖像恢復模型,使得x光片的數字化成像的清晰度大大提高,基本實現了x光片的無膠片化。This dissertation composed of four main parts introduces the achievement of modern applied mathematics, system engineering and cybernetics, etc. into research on iwt and carries out theoretical, methodological and empirical studies on iwt supply
本論文將經濟學成熟的理論以及現代應用數學、系統工程、控制理論等學科所取得的研究成果引入到內河運輸的研究中,從系統的角度展開內河運輸供給的理論、方法和實證研究。分享友人