簡約分數 的英文怎麼說
中文拼音 [jiǎnyāofēnshǔ]
簡約分數
英文
reduced score-
By using transfer function, quantitative analysis, pattern analysis and reduced analysis of driving fatigue can be finished. based on automatic control theory, driving fatigue can be analogized as two parts : inertia link and proportion differential link
採用傳遞函數將駕駛疲勞定量化、簡約化、模式化，借用自控理論將駕駛疲勞類比為兩個過程：類慣性環節的響應過程及類比例微分環節的響應過程。This paper starts the research of the liquid floated pendulous accelerometer testing system according to the engineering. at first, this paper gives the brief introduction of the history and present status of accelerometer and its testing technology, the working principium and math model of the liquid floated pendu - lous accelerometer, and then, decides the binary width pulse force retrim loop as the design proposal of testing system, researches the transfer function of every part in the system emphasizly, analyses the stability of the whole accelerometer testing system from the angle of control theoretics by the open loop transfer function of system, and designed the correcting net, analyses the basal problems such as resolution, sampling restraint, precision and so on, designs the hardware testing circuits such as preamplification, band - pass filter, alternating amplifier, phase sensitive demodulatorn, pulse - width modulation, frequency scale circuit, moment current generator. finally, using the graphics program language labv - iew which is designed for testing field especially by ni accomplishes the solfware design of testing system, realized the testing functions
首先對加速度計及其測試技術的發展歷史和現狀，液浮擺式加速度計的工作原理和數學模型等作了簡要的介紹，然後確定了以二元調寬脈沖再平衡測試迴路為設計方案，並從控制理論的角度進行了分析，著重研究了系統中各部分的傳遞函數，利用系統開環傳遞函數分析了系統的穩定性，同時設計了系統的校正網路;分析了二元調寬脈沖再平衡測試迴路的解析度、采樣約束以及測試精度等基本問題，並按照系統分析的結果設計了包括前置放大、帶通濾波、交流放大、相敏解調、脈寬調制、頻標電路以及力矩電流發生器等測試系統各部分硬體電路，驗證了電路的正確性，最後按照測試系統的要求，採用了美國ni公司專為測試領域所開發的虛擬儀器工具? ? labview作為測試軟體開發工具，利用該圖形化編程語言完成了測試系統軟體部分的設計，實現了測試功能。We analyze the assembly model and propose a mathematics model and tree - representing model of the assembly who not only has a small data size, but also can be manipulated easily. this thesis not only gives the virtual representing concept the instance representing one, but also defines the concept of assembly constraint such as coupling, being alignment, being coaxial and being equidirectional. based on such concepts, a revised newton - raphson iterative algorithm is proposed, which can deal with the singularity and ill - condition of jacobi matrix
首先分析了裝配體的模型問題，提出了裝配體的數學模型及樹形式表示的裝配體表示模型，模型具有數據量小、操作簡單的優點：文章對所涉及的約束諸如耦合、對齊、同軸、同向的裝配體位置描述概念進行了定義，引入了裝配約柬概念，從而提高了裝配設計效率；在此基礎上，文章討論了裝配約束的求解方法，提出了newton rapson迭代法的改進演算法，使得系統能更好地處理jacobi矩陣的奇異和病態的情形。Based on the information theory, it is proved that the entropy of information system and the mutual information of decision system are constant in the hierarchization of attributes. so the rst hierarchical reduction approaches have strict mathematic basis. the application in acquiring the control decision of a cement kiln shows the validity of the hierarchical reduction approach
本文從信息理論的角度分別證明屬性分層遞階不改變信息系統的信息熵和決策系統的互信息，從而使分層遞階約簡演算法體系具有嚴格的數學基礎；分層遞階約簡演算法在某水泥窯爐控制決策獲取中的應用證實其有效性。In these thesis, on the basis of existing data collected of arch bridges and dynamics, simply introduce the development and application of the analytical method and finite element numerical analysis method of arch bridges. taking the example of pubugou cfst arch bridge, establish 3 - d finite element model of it with software ansys, and analyze its natural vibration. the effects on inherent vibration of the differences of structure parameters, the restriction of the deck and the effects of different arrangements of cross braces are analyzed
本文在收集有關拱橋及動力學資料的基礎上，分析了拱橋動力學的解析分析法和有限元數值分析方法的優缺點，同時以瀑布溝大橋為背景，使用ansys軟體建立了空間有限元模型，實施了橋跨結構的自振特性分析；並分析了考慮到模型簡化過程中部分結構參數取值差異、橋面板的約束狀況不同等因數對自振特性結果的影響；此外還對橋面上的橫撐布置不同導致對自振特性的影響作了分析。It also has real necessity to our country. this article focuses on the difference between profits after taxation of the dual annual reports, audited by native or foreign cpas separately, of the ab listed companies, as a cut - in point to assess the quality of the native accounting information. the whole article will be spread out in five dimensions, including comprehensive view, inter - sector comparison, cause research, dynamic analysis and inter - market comparison, discussing about the characteristics of the differences between the profit data disclosed in the native annual reports and that required by the international standards and the bottleneck of the quality limits of our accounting information
本文以1998 2000年ab股公司年報境內外審計后的稅后凈利差異作為研究國內會計信息質量的切入點，分總量、行業、致因、動態分析、兩市比較五個維度，集中探討了我國會計盈餘數字與國際標準之間差異的分佈特徵及制約我國會計信息質量的瓶頸所在，對于牽涉較廣機制層面的根源，本文只做簡單的評述，而將文章的重點放在對差異本身的特點與制度層面的分析。This paper applies generalized multipler method to translate convex quadratic programs with equal constraints and non - negative constraints into simple convex quadratic programs with non - negative constraints. the new algorithm is gotten by solving the simple quadratic program. it avoids the computation of inverse matrix and exploits sparsity structure in the matrix of the quadratic form. the results of numerical experiments show the effectiveness of the algorithm on large scale problems
根據廣義乘子法的思想，將具有等式約束和非負約束的凸二次規劃問題轉化為只有非負約束的簡單凸二次規劃，通過解簡單凸二次規劃來得到解等式約束和非負約束的凸二次規劃新演算法，新演算法不用求逆矩陣，這樣可充分保持矩陣的稀疏性，用來解大規模稀疏問題.數值結果表明：在微機486 / 33上就能解較大規模的凸二次規劃Considering that the characteristics of our country ' s highway tunnels are always of long spans, tabular and of various geometry, by means of thorough analysis of the different problems existed in the design of support structures of the tunnels at present, this paper pays special attention to the two key problems, optimization method of form selection of structural section of the tunnel as well as the stability and bearing capacity of the support structures, in the design of the long and large tunnel on high - class highway, introduces the simplified complex - form optimum method in the structure optimization theory, discusses the optimum design model of lining section of highway tunnel with satisfying demands in building clearance, ventilation and load conditions, puts forward an optimization method of form selection of three different kinds of lining sectional forms ( i. e. single - center circle, three - center tabular circle and three - center sharp circle ), establishes a complete set of systematic optimum design the ory and method of long and large tunnel on high - class highway, develops the corresponding computer software used on the planned xuefeng mountain highway tunnel on shaoyang to huaihua expressway in hunan province for optimization of form selections of the structural sections, and obtains a series of relatively reasonable structural design parameters
本文針對我國公路隧道多為大跨度、扁平、幾何形狀呈多樣化的特點，通過深入分析目前隧道支護結構設計中存在的各種問題，抓住高等級公路長大隧道設計中隧道結構斷面的優化選型及隧道支護結構的穩定性與承載能力兩個核心問題，引入結構優化理論中的簡易復合形優化方法，深入探討了滿足建築限界、通風條件、受力狀態約束等條件下公路隧道襯砌斷面優化設計模型，提出了三種襯砌斷面形狀（單心圓、坦三心圓和尖三心圓）的優化選型方法，建立起一套完善的高等級公路長大隧道的系統優化設計理論與方法，並開發出相應的計算機程序，用於擬建的上海至瑞麗國道主幹線湖南省邵陽至懷化高速公路雪峰山長大高速公路隧道的結構斷面優化選型，得出了一系列較為合理的支護結構設計參數。Firstly, a 0 - 1 integer programming mathematical model is constructed to describe tail - number - assigning work happened in domestic airline, since the problem is npc, a unified polynomial algorithm which satisfies engineering requirement is unavailable. illuminated by the practical experience, a specific tna problem is classified into one of three typical tna modes : tna based on fleet dispatching commands, tna based on fleet balance application, tna based on minimum fleet requirement ; secondly, by simplifying and relaxing some minor constraints, corresponding mathematical models and heuristic algorithms are reconstructed for each typical tna mode ; finally, computing complexities are discussed
為此論文在借鑒手工編制排班計劃經驗的基礎上，將一個具體的飛機排班問題，歸結為三種典型排班模式中的一種，即：基於飛機調度指令要求的排班問題，基於飛機使用均衡要求的排班問題和基於最少需用飛機數的排班問題，對于每種典型的飛機排班模式，在對次要的約束條件進行簡化、松馳的基礎上構造出相應的能夠滿足工程應用要求的啟發式演算法，並分析了演算法的復雜性。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
利用簡約梯度優化法求解給水管網狀態估計的最小二乘數學模型，實測某一工況下西寧市配水管網部分節點水壓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節點的水壓，對西寧市配水管網進行了狀態估計。We use rac ( radial alignment constraint ) of imaging process to decompose camera parameters. by organizing the solving sequence of the parameters rationally, we can obtain all parameters through solving systems of linear - 3 - abstract equations. accordingly we have changed the situation that ? he former camera calibration rac methods should depend on the non - linear optimization and has strict requirement to illumination, the situation that the calibrating distance is too short
演算法考慮到攝像機模型中的一階徑向畸變，巧妙地利用成像過程中的徑向約束（ rac ）分解攝像機參數，同時通過合理地組織參數的求解次序，使得經由求解線性方程組就可以得到全部的攝像機參數，從而改變了以往攝像機rac標定方法依賴于非線性優化，以及對光照條件要求嚴格和標定測定距離短的情況，使得rac方法較以往的演算法更為精確、快速、簡便，並且更加具有推廣價值。Because of the method is convenient and fast, and no molecular information about the species to be studied is needed, rapd is widely used in many areas such as study of phylogenetic tree and genetic diversity. we studied 32 crested ibises from yong county and 5 crested ibises from beijing zoo by rapd
我們採用rapd技術對來自洋縣的32隻朱?和來自北京動物園的5隻朱?進行了研究，根據實驗數據計算了任意兩個個體之間的相似性系數和遺傳距離，分別用upgma法和簡約法構建出其譜系關系，並對種群的遺傳多樣性作了初步的探討。With the using of microsoft visual basic 6. 0, a multimedia computer - aided design system of small type pumping irrigation district is developed in this paper. provided with the live multimedia messages as well as a good man - machine conversation mechanism, this system can help the user to finish the planning of an pumping irrigated area such as the layout of canal system, the selection of pump models, the establishment of the irrigation program, the calculating of canals " parameters, the estimate of the project magnitude, the selection of the field constructions, the economic analysis of the project, the output of results, etc, a new oo ( object oriented ) programming method is adopted in this system, various softwares are integrated in this systems as well by the " automation " technic provided by vb, in addition, the multimedia technic is applied to this system for the first time, it makes the system easy to ope rate. as for the optimization of the canals " section, a new optimization method is adopted based on the existing theories about the canals " section, and in this way, with the purpose of minimizing the project ' s investment as well as a stalized canal, limited by the longituding slope, the canals " best feasible parameters can be deduced. furthermore, a integral method to reckon the earth work is developed in this paper, by this way, the estimate precision of the earthwork is enhanced notably. this paper includes the particular illumination for the developing procedure of each systems " segment, and in the end, the directions of the system are demonstrated in a sample area which lies in the zhaija village, taizhou city, jiangsu province, the running results showed that the initial purposes are achieved effectively, and it has a preferable practicability
在渠道縱橫斷面優化方面，本文在利用已經比較成熟的縱橫斷面優化理論的基礎上，提出以工程總費用最小為目標函數，以渠道縱坡i為控制變量，以渠道不沖不淤流速及灌區允許地面比降為約束條件，通過縱橫斷面聯動優化的方法得到渠道的最佳工程可行的斷面參數。另外，針對部分地區的取土困難的狀況，本文採用積分法計算渠道工程土方量，從而大大提高了土方量的估算精度，有助於準確控制工程投資規模及資金投向。本文詳細闡述了該系統所採用的編程方法、系統構成、系統各組成模塊的開發過程以及灌區規劃所採用的優化方法及原理，最後應用本系統對泰州市翟家村機電灌區進行規劃設計，運行結果證明其操作比較簡便，界面友好，運行速度快，規劃成果合理，基本達到了系統預定的要求，具備較強的實用性。These factors are physical capital, human capital, technology change, the level of specialization and the quantity of farmers. furthermore, on the basic hypothesis that farmers are rational economic men, it points out the negative attitude of farmers on improving these factors is rational choice. the actual land system, social security system and hukou system conduce that the property right of land is instable and difficult to be exchanged, the quantity of farmers is unable to decrease
本文首先建立了一個簡單的數學模型，考察了直接影響農民農業收入的基本因素，包括：物質資本、人力資本、專業化水平、技術知識和農民數量；進而，從農民是理性經濟人的基本假設出發，指出農民在改進影響農業收入的諸因素方面的消極態度是既定製度約束下的理性選擇? ?現行的農地制度（社會保障制度） 、戶籍制度導致土地產權不穩定、難以流轉和農民數量難以減少，妨礙了土地的規模經營，使農民在物質資本投資、人力資本投資、深化專業化分工、學習和應用技術知識、向城市轉移勞動力方面表現出消極態度。Trifurcatum ought to be kicked out from this sect ; ( 3 ) a monophyletic group of x = 11 species was shown in the its tree ; ( 4 ) a. fasciculatum had a close relationship with x = 11 species ; ( 5 ) a. wallichii and a. macranthum had different evolution processes, their relationship was not so related ; ( 6 ) the sensible components of sect
採用鄰接法（ neighborjoiningmethod ） 、非加權配對算術平均法（ upgma ） 、最大簡約法（ mostparsirnonymethod ） 、最小進化法（ mininmmevolutionmethod ）和最大似然法（ maximumlikelihoodmethod ） ，通過定義和不定義外類群，以及選擇不同數量的外類群對所得的序列數據進行分析，重建了分子系統樹。In third part, we established two algorithm : data reduct and mdrbr ( mining default rules based on rough set ), the objective is to acquire diagnostic knowledge from cases automatically from the diagnosed cases database, in the end established knowledge database that could be used for consequence. and in this part, we also discussed question how to inosculate between acquire knowledge by data mining and experience of clinician, and estimated for knowledge
從第三部分開始，在經典粗糙集理論的基礎上建立適合於醫學信息數據挖掘的演算法:數據簡約和默認規則挖掘演算法mdrbr （ miningdefaultrulesbasedonroughset ） ，將診斷知識從確診病例數據庫中自動的獲取出來，最終形成可用於推理的知識，還討論了對于所挖掘到的知識如何與臨床醫生的經驗融合的問題，以及知識的初步評價。On this base, the author gives a detail description and analysis of the rec frame and data exchanging model, etc. of the wafangdian bearing company ltd., and discusses it ' s manufacturing, sales and query frames, then describes the principles, contents and procedures that using rec theory the author believes that rec is easy to realize and use, cost - saving, easy to be accepted and expansible, and it is a practicable theory in machine building industry in current phase
在此基礎上，筆者對瓦房店軸承集團有限責任公司的簡約電子商務架和數據交換模型等內容進行了深入細致的描述和分析，著重探討了該公司的生產框架，銷售物流框架和查詢框架，並對其運用簡約電子商務理論進行數據交換的原則、內容和過程進行了闡述。Chapter 2 mainly explained why reduced the national economic accounting. proceed with public goods characteristic of the national economic accounting at first, used supply - demand theory, external economic theory to expound that national economic accounting reduction can yet be regarded as one effective way for the public to use it. meanwhile, each social economic body playback with the development of
第四章主要結合統計學中的非參數估計方法、主成分分析方法、因子分析方法，以及粗糙集理論等進行實證檢驗，實現在保持信息量一定的條件下宏觀經濟核算的簡約化，該部分主要從降維方法入手來實現簡約化。The traditional object of value reduction is getting the minimal reduction. this dissertation proposes the notion of support measurement, based on this notion we propose a new object of value reduction, that is getting the rules which have maximal support measurement. the new object dose not contradict traditional object and the data after value reduction
傳統的值約簡目標是得到最小的值約簡，本文引入分類規則支持度的概念，在此基礎上提出以約簡后實例的支持度盡可能大作為約簡的目標，這樣約簡后的數據可較大程度體現數據的原始信息，並且這與傳統意義上的最小約簡並不矛盾。8 computer program, then used to calculate di stance matrix with kimura ' s two - parameter method and construct phylogenetic trees by applying neighbor - joining and maximum parsimony analyses using mega2. 1 computer program. bootstrap analyses were carried out to evaluate statistical reliability based on 500 resamplings of the data set
新鮮或硅膠乾燥樣品被用於總dna提取並用於pcr反應， pcr擴增產物回收后直接用於測序反應，序列數據經chstalx1 . 8軟體排序后，採用mega2 . 1軟體根據kimura 』 s雙因子法計算遺傳距離，並應用鄰接法（ neighbour - jointing ）和最大簡約法（ maximumparsimony ）構建系統樹， bootstrap法（ 500次重復）評估分支可信度。分享友人