mathematical regression 中文意思是什麼

mathematical regression 解釋
數學回歸
  • mathematical : adj 數學（上）的，數理的；嚴正的，精確的。 mathematical instruments 制圖儀器。 mathematical logic...
  • regression : n. 1. 復歸，回歸。2. 退步，退化。3. 【天文學】退行。adj. -sive ,-sively adv.
  1. 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。
  2. 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。
  3. This paper introduces the theory of sustainable growth of companies and meanwhile thoroughly analyzes the subjective and objective factors affecting sustainable growth of listed companies in china. then with the sample of chinese a - stock listed companies which appear on stock exchange of shanghai and shenzhen before 1994, using sustainable growth model brought forward by robert higgins and james van herne and the mathematical statistic methods of means and wilcoxon. this paper tests the sustainable growth status of all sort of listed companies in china during the period from 1994 to 2000. meanwhile an empirical analysis is made in this paper by the factor method and regression to find out equilibrium relation among sustainable growth of chinese listed companies profitability capability of debt - repayment and capability of operation

    然後藉助美國資深財務學家羅伯特?希金斯和詹姆斯?范霍恩的可持續增長模型，選擇我國1994年底以前在上海、深圳證券交易所上市的282家a股上市公司為研究對象，運用均值檢驗和威爾科克森的數理統計方法檢驗了我國上市公司1994 2000年度各行業的可持續增長的情況。本文還採用主成份分析法和多元回歸的方法，確定和解釋了影響我國上市公司可持續增長的主成份因素，並研究上市公司可持續增長與公司營運能力、償債能力和盈利能力的平衡關系。
  4. Second order polynomial regression mathematical model treatment of flow capacity - lift head property curve of centrifugal pump

    揚程性能曲線的二階多項式回歸數學模型處理
  5. Abstract : applying the theory of linear and nonlinear regression, the mathematical model of the intelligent measuring system of the flow of asphalt, which describes the relationship among volume coefficient, temperature and relative density of asphalt material is studied. the nonlinear mathematical model for this relationship is set up and the precision of the model is brought up

    文摘:應用線性及非線性回歸理論對瀝青流量智能測試系統的數學模型瀝青材料的體積系數與溫度及相對密度的相關關系進行了研究；建立了該相關關系的非線性數學模型，並給出了模型的精度
  6. 3 the distributive dynamics of 95zr absorbed in crucian and the behavioral trait of 95zr in an aquatic ecosystem was studied by using isotope - tracer technology, and the mathematical model was confirmed by application of nonlinear regression method

    3 、研究了卿魚對952 :的吸收和在其體內的分佈動態以及95zr在水生生態系統中的行為特性，並運用非線性擬合方法建立其數學模型。
  7. On the basis of a lot of experimental data based on the orthogonal test of pulse peak electric current, pulse width and pulse intermission, experimental mathematical models of electric spark forming of several sorts of materials are built up with multiple linear regression analysis

    摘要用正交試驗法對電火花加工中的峰值電流、脈沖寬度、脈沖間隔進行設計，在大量實驗數據的基礎上，採用最小二乘法建立實用的多種材料的電火花加工實驗數學模型。
  8. 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結構框架，熵技術支持下確定可持續發展指標權重的層次分析法，以及由遞階多層次綜合評價、主成份分析和回歸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。
  9. Abstract : the effect factors of grinding roller surface roughness areanalyzed and experimented. the law of effect factors such as roller rotary speed, grinding wheel granularity, grinding liquid and so on, about roller surface roughness is obtained. the mathematical model of roughness is established through regression

    文摘:對影響磨削輥面粗糙度的因素進行了系統分析和實驗研究，得出了軋輥轉速、砂輪速度、砂輪粒度、磨削液等因素對磨削輥面粗糙度影響的一般規律，利用回歸分析的方法建立了粗糙度的數學模型。
  10. The work on seasonal dynamics of litter input and decomposition and the relationship between them and environmental factors was studied through the method of harvest and weight loss. soil respiration rate was measured by alkali - absorption method and the contribution from soil microorganism respiration and from root respiration was determined through trendline method of linear regression between soil respiration rate and belowground biomass. mathematical models were established between the seasonal dynamics of main components of soil total respiration including soil respiration, root respiration, soil microorganism respiration, litter respiration and environmental factors

    應用收獲法和重量損失法對枯枝落葉輸入與分解的季節動態及其與環境因子的關系進行了研究；應用靜態氣室法測定了土壤總呼吸和凋落物呼吸，應用土壤呼吸量與地下生物量線性回歸趨勢線法測定了土壤微生物呼吸及根呼吸的貢獻量，運用相關分析法建立了土壤總呼吸、根呼吸、土壤微生物呼吸及其凋落物呼吸季節動態與環境因子之間的數學模型；應用灰色分析比較了兩群落土壤呼吸季節動態產生差異的原因；應用干重換演算法對土壤微生物能量積累量的季節動態進行了測定，建立了土壤微生物能量積累量與環境因子的數學模型；應用系統分析方法，利用分室模型，對兩群落枯枝落葉與微生物之間的能量流動進行了定量測定和穩定性分析。
  11. Based on polymerization reaction of the nylon - 6 rubberized cord fabric production of distributed control system in yangzhou organic chemical plant computer integrated manufacturing system ( yh - cims / dcs ), the multiple stepwise regression method was used to build the statistic mathematical models of the molecule weight and the monomer quantum of casting slice belt. then the optimization model of polymerization reaction was presented, which was solved by using simulation annealing algorithm to obtain the best techniques parameters. the improved hybrid genetic algorithm and back propagation algorithm are combined to train neural network, brought out the neural network prediction model of casting slice belt ' s average molecule weight to guide the technologist on - line

    提出了流程工業生產過程操作優化策略和應用實施方法，包括生產過程離線優化策略、非線性問題求解策略、在線優化模型及學習策略；結合揚州有機化工廠計算機集成製造系統集散控制系統（ yh - cims dcs ）的實施，針對錦綸? 6浸膠南京理工大學博士學位論文摘要簾于布生產中己內酚胺聚合反應過程優化控制這一工程實際問題，採用統計建模方法，建立了聚合反應過程的優化模型；為求解所得的優化模型，提出了種改進的有約束條件下的模擬退火演算法，該演算法能避免陷於局部最優解，有效地提高了所求解的全局性和可靠性：提出了基於改進的ga演算法和sp演算法相結合的混合學習演算法，建立了基於神經網路的聚合反應過程生產目標在線預測模型，該演算法和模型滿足了生產中的實時性和實用性要求。
  12. According to elasto - plasticity theory, with the help of finite - method program ansys, the paper undertakes the computer analogue tests about the bearing capacity of pile tip arranged by orthogonal principle, and attains the relations of pile - tip bearing capacity to embedment depth, pile diameter, cohesion, internal friction angle and modulus of deformation. by the means of mathematical statistic, regression equation of the ultimate bearing capacity calculated by finite element method is gained through the regression analysis of 81 group data from the computer analogue tests. by comparison and analysis of the values calculated by finite - element regression equation and the values of in situ loading test, the regression equation is gained which calculates the size effect for base resistance of large diameter pile

    根據彈塑性理論，運用大型有限元軟體ansys按正交設計理論對樁端承載力進行模擬計算，獲得樁端承載力與樁長（埋置深度） 、樁徑、粘聚力、內摩擦角及變形模量等主要影響因素的關系，並採用數理統計方法，對81組ansys模擬試驗結果數據進行回歸分析，得到有限元法確定樁端極限承載力的回歸公式，並將有限元法回歸公式計算值與現場小壓板載荷試驗值進行比較分析，得到大直徑樁端阻的尺寸效應系數計算公式。
  13. It presents a mathematical heat transfer model of air and soil temperature in greenhouse basing on the theory of transmission of heat. the model calculates the heat diffuse coefficient of soil by difference method and establishes regression equation on experimental data by sas

    基於傳熱學的熱傳導方程，利用測試的地溫數據，選用差分法計算了土壤熱擴散率，應用sas軟體擬合了非線性方程，建立了日光溫室土壤溫度場的數學模型。
  14. Based on the enviroment of the nandagang wetland, combining the outside investigation and inside analysis, adopting the mathematical analysis methods such as the principal component analysis ( pca ), regression analysis, correlation analysis etc. the type of wetland ecosystem, the flora of the wetland plant, the type, the function, the formation and succession and the outside influencial factors of the vegetation, the ecological conditions and biomass of the reed population are all studied. the main results can be concluded as follows : 1 ) the nandagang wetland is a freshwater one close to the bohai sea. its ecosystem can be divided into two parts : natural ecosystem and semi - artificial ecosystem

    本研究從南大港濕地的實際環境出發，採用樣方調查的方法，以外業調查和內業分析相結合、野外採集測量與實驗室分析處理相結合、定性描述與定量分析相結合為根本研究路線，應用主分量分析（ pca ） 、回歸分析、相關分析等數學分析手段，對南大港濕地生態系統的類型、濕地植物的區系組成、濕地植被類型、植被的功能、植被的形成和演替、植被的外界影響因素、濕地蘆葦種群的生態條件和種群生物量等方面進行了較深入的研究，主要研究結果如下： 1 ）南大港濕地是濱海瀉湖型淡水濕地。
  15. Based on the historical space forecast data and corresponding actual data provided by a global semiconductor assembly and test company, the uncertainty of space planning was defined. during this analysis process, linear regression, grey prediction, neural network back propagation algorithm and confidence interval were applied, respectively, to define the uncertainty. compared with those methods, the confidence interval of historical space forecast error, calculated by mathematical statistics, was the reasonable method to define the space forecasting uncertainty

    本文從半導體工廠長期生產能力計劃的頂層即廠房生產面積的計劃展開，對一跨國半導體封裝測試公司提供的廠房生產面積的長期歷史預測數據以及對應的真實數據進行分析，採用線性回歸，灰預測，神經網路bp演算法，基於數理統計的置信區間的求解等方法分別定義廠房生產面積預測的不確定度，經多種方法的比較得出，基於數理統計方法求解出的生產面積歷史預測誤差置信區間能直觀清楚地標定不確定度。
  16. The subsystem of the casting foresee and analysis established the mathematical model of the quantitative linear regression analysis for the compacted graphite cast iron defects. it provided guarantee for predication and control of casting defective index within permissive ranges

    鑄件質量分析及預測子系統建立了蠕墨鑄鐵件缺陷定量分析的線性回歸分析數學模型，為預測及控制缺陷廢品率在規定范圍內提供保證。
  17. 1. based on the data of analysis, using theories and methods of mathematical statistics, two of interception models by canopy of picea crassifolia are established as follows : the regression model on the relationship between penetration rainfall ( p, ) inside forest and total rainfall ( p ) outside of forest : pj = 0. 8245p - 1. 372 ( r = 0. 99 ) ; the model on the relationship between interception rate ( ir ) and rainfall : ir = - 10. 7111n ( p ). ( r = 0. 7524 ) the results show that penetration rainfall inside forest increases with total rainfall outside of forest in linearity, and to certain extent, penetration rainfall inside by canopy also increases with total rainfall outside ; the correlations of the interception rate to rainfall and intensity of rainfall are significant and the intercepted rate by canopy of picea crassifrlia is diminished with the increase of rainfall and rainfall intensity, and increase with the increase of canopy density

    1在利用數理統計原理和方法對實測資料進行綜合分析的基礎上，建立了青海雲杉林林冠截留降水模型：林內透過雨量與降雨量回歸模型： p _ i = 0 . 8245p - 1 . 372 （ r = 0 . 99 ） ；林冠的截留率與降雨量的模型： i _ r = - 10 . 711ln （ p ） （ r = 0 . 7524 ） ；分析模型表明：林內透過雨量與降雨量呈良好的線性關系，在一定的降雨量范圍內，林內透過雨量隨降雨量的增加而增加；林冠截留率與降雨量、降雨強度之間也呈良好的關系，林冠截留率隨降雨量和降雨強度的增大而減小，隨郁閉度的增加而增大。
  18. Through the experimentation for the physical performance of cfpb masonry under local compression, the author has observed the deformation and failure of cfpbm. based on the mathematical statistics and regression analysis of the experimental data, the author derived a feasible and common formula for counting the cfpbm ' s local compression strength regarding the different local compression locations, analyzed stress distribution of local bearing masonry under beams end, and provided the calculating formula on effective supporting length of beam end in brick masonry. as the results of experiments demonstrate, owing to the cfpb ' s own holes " system, the beneficial effects, the bounding effect of surrounding masonry and the spread effect of force, have not developed completely

    試驗結果分析表明：由於多孔磚自身的孔洞結構，砌體內部的圍箍作用和力的擴散作用未得到充分發揮，局壓強度雖較軸心受壓強度有所提高，但仍低於同情況下實心磚的局壓強度；當有上部荷載作用時，對砌體局壓有利的懸臂卸荷作用和內拱卸荷作用均不明顯，因此在推導梁端局壓強度計算公式時，未考慮此可能存在的有利影響，計算偏安全；局壓強度提高系數公式除採用規范公式（二項式）的表達式，還用對數式進行了回歸推導，得到了一個較為普遍的公式；論文還對梁端局壓的梁端有效支承長度計算公式進行了回歸推導。
  19. ( 3 ) make use of multivariable linear regression 、 multivariable step - wise regression and artificial neural networks and so on to establish corresponding mathematical model

    （ 3 ）針對數據庫中的數據我們採用多元線性回歸、多元線性逐步回歸、人工神經網路等方法來建立相應的數學模型。
  20. In order to supply a basis for uniting the reference value standard of chinese old men s hematocrit, a research is made on the relationship between the reference value of chinese healthy old men s hematocrit and five geographical factors, which are determined by the way of wintrobe laws. it is found that altitude is the main factor affecting the reference value of chinese old men s hematocrit. as the altitude increases gradually, the reference value aslo increases gradually, and the correlation is quite obvious. applying the method of mathematical regression analysis, a regression equation is given. if geographical values are obtained in some area, the reference value of chinese old men s hematocrit of this area can be reckoned by regression equation. furthermore, according to the similarity of the reference value, taking the altitude as the main dividing basis and considering effects of other geographical factors and population distribution, china can be divided into six regions : qingzang, southwest, northwest, southeast, north and northeast region

    為制定中國老年男性紅細胞壓積參考值的統一標準提供科學依據，收集了中國各地用溫氏法測定的健康老年男性紅細胞壓積參考值，並對其與地理因素的關系進行了研究，發現海拔高度是影響老年男性紅細胞壓積參考值最主要的因素，隨著海拔高度的逐漸增大，老年男性紅細胞壓積參考值也在逐漸增大，相關性很顯著.用逐步回歸分析的方法推導出了一個回歸方程.如果知道了中國某地的地理因素，就可以用回歸方程估算這個地區的老年男性紅細胞壓積參考值.依據老年男性紅細胞壓積參考值與地理因素的依賴關系，把中國分為青藏區、西南區、西北區、東南區、華北區、東北區等6個區
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