distribution coefficient model 中文意思是什麼

distribution coefficient model 解釋
分佈系數模型
  • distribution : n 1 分配，分發，配給；分配裝置[系統]；配給品；配給量；【經濟學】配給方法，配給過程；分紅；【法律...
  • coefficient : adj. 共同作用的。n. 1. 共同作用；協同因素。2. 【數，物】系數，率；程度。
  • model : n 1 模型，雛型；原型；設計圖；模範；（畫家、雕刻家的）模特兒；樣板。2 典型，模範。3 （女服裝店僱...
  1. The dissertatio n constructs the index system, introduces the coefficients of development, coordination, fairness, and the coefficient of sd, which is composed by the former three and can reflects the sd overall strength of watershed, brings forward the quantative criteria of in order that the research of wrcc is based on the good watershed ecology and environment, the dissertation, according to the ecological appropriate theory, builds the logarithm normal distribution model about the relation between the growth of natural vegetation and the depth of groundwater ; based on this relation model, proposes a quantitative method of ecological water requirement ( ewr ) of natural vegetation in arid area, which utilizes the results of rs technique and the spot testing data of vegetative physiology demand

    針對流域特點建立了基於水資源的流域可持續發展評價指標體系，引入發展系數、協調系數、公平系數，以及由其構成的衡量水資源支撐社會可持續發展綜合水平與能力的可持續發展系數，提出了可持續發展的定量判別方法。為保證在良好生態的前提下進行水資源承載能力研究，論文根據生態適宜性理論，建立了乾旱區典型天然植物生長與主要環境因子的偏態單峰對數正態分佈模型。基於此關系模型，利用遙感技術成果以及植物生理需水的現場實驗數據，提出了乾旱區天然植被生態需水量計算方法。
  2. Through calculating annual expenses and analyzing investment risk, an optimization model firstly put forward. the coefficient of investment profit of the irrigation system, which includes pipe distribution networks, drop irrigation device, is minimized. the coefficient is optimization design ' s target function which is by the genetic algorithms to solve

    在系統優化方面，單獨作為一個模塊用vc + +實現，本文首次提出了以包括管網、灌水器、水泵、電機等設備在內的微灌系統的益本比最大為目標函數，利用遺傳演算法求解的方法。
  3. We analyse the dispersion of stock returns and have the tests of serial correlation. the results show that the trading mechanism has a significant effect on a number of characteristics of stock returns. first, the distribution of open - to - open returns has greater variance than that of close - to - close returns. second. the serial correlation pattern is quite different in the two return series. the open - to - open returns have negative autocorrelation coefficient, but the close - to - close returns is positive. further, employing an arma ( 1, 1 ) model we find that in the opening. returns exhibit higher residual noise and stronger dependence on past returns, reflecting stronger deviations from the random - walk form of the market efficiency hypothesis

    主要表現為：一，開盤收益序列比收盤收益序列具有更大的方差。二，兩種收益序列的序列相關形式不同，開盤收益序列表現為負相關，而收盤收益序列表現為正相關。而且我們通過arma （ 1 ， 1 ）模型的進一步檢驗，發現開盤收益序列比收盤收益序列具有更大的殘差，更依賴于過去的收益序列，也更偏離於市場有效的隨機遊走形式的假設。
  4. Based on this kind of relations between the topological structures and the content distributions we study the web modelling, community identification and some related application problems in detail : first, after some existed characteristics of the web topology are verified, some new characteristics are discovered : the high clustering property in micro - topology ( high average gathering coefficient ), the obvious mapping relation between the topological struture and the content in micro - level 、 linear irrelevant between the degree distribution of network nodes and the relative degree distribution of contents etc. then after analysis the topology of the complex network and the network modeling, the muti - scale determinism is proposed, especially for the information network a web evolvement model ( prcp model ) that fused the node authority and the node correlation is proposed. the model deduction, evolving learning verification and large scale experiment proof indicate that the model can explain the micro - topology centralizing phenomena, can imitate the mapping relation between the network connecting distribution and network content relative distribution and also can predict the mapping relation between the topology clustering and content clustering

    本文在詳細觀察了web網路的拓撲結構特徵以及拓撲結構與內容分佈相互關系的基礎上，以信息網路的物理連接拓撲結構與節點內容相關度分佈之間的相互關系為主線，從網路特徵、網路建模、社區分析及相關應用方面問題進行了深入細致地探討:首先在驗證了前人提出的web網路拓撲結構特徵基礎上，進一步發現了信息網路所具有的一些新特徵: 1 ）網路微觀顆粒度的拓撲結構聚團與內容聚團存在明顯的映射關系，具體包括節點之間的物理連邊概率與節點之間的內容相關度成指數比例關系、節點形成三角形拓撲結構的概率與節點內容相關緊密程度之間同樣具有一種指數比例關系; 2 ）網路節點連接度整體分佈與節點內容相關度整體分佈是線性無關的; 3 ）網路微觀拓撲結構中的存在很強的集聚性（平均聚團系數很高） 。
  5. Exact distribution of mle of the regression coefficient matrix in a growth curve model

    生長曲線模型中回歸系數陣的極大似然估計的精確分佈
  6. Based on vibration principle, the paper establishes dynamics analysis model of output shaft with elastic support, according to fourer series spread principle of periodic function, the dynamic response formula is derived by separating complex vibration force into sum of many simple harmonic excitation function of whole number times frequency relations. the result shows that response of both sides support is synchronous when load distribution non - uniform coefficient is 1

    依據振動理論建立了具有彈性支撐的輸出軸的動力學分析模型，根據周期函數的傅里葉級數展開原理，將復雜的激振力分解成為多個頻率成整倍數關系的簡諧激勵函數，導出了動態響應表達式，結果表明，當載荷分配不均勻系數為1 . 0時的輸出軸兩端支撐同步。
  7. To analyze the hydrodynamic structure of the estuary, 3d k - numerical model with curvilinear fitted coordinate has developed. the distribution of velocity and turbulent exchange coefficient at different time has obtained and analyzed

    紊流模型對測驗河段進行計算，得到特徵時刻該潮汐河口段的水力要素及垂向紊動混合系數的分佈。
  8. Furthermore, utilizing the characteristic that filtering error covariance expresses filtering precision and the principle of information conservation, the dynamic and reasonable distribution of distributed tracks weight coefficient is accomplished. jerk model and strong tracking filter is organically assembled, and based on spatio - temporal synthetically analysis and lme, a self - learning estimation method of the system measurement variance is given. the method improves obviously the

    3 、將jerk模型與強跟蹤濾波演算法有機地結合，並利用時空綜合分析和極大似然估計的思想推導出了一種系統量測方差自學習修正方法，以優化強跟蹤濾波演算法中次優漸消因子和濾波增益的在線選擇，同時根據多傳感器數據融合具有改善濾波精度的性質，進而給出一種基於jerk模型的多傳感器數據融合演算法。
  9. Influence of soil body behind the abutment stress distribution and stress carry - over length due to different coefficient of friction is analysised, through the experimental results and the space finite element analysis results of the model, actual measurement results tally with the computing results well. ( 4 ) new type semi - integral abutment bridge is from optimization design of conventional abutment bridge - dashuiting middle bridge. not only bridge at both ends

    分析了不同摩阻系數對臺後土體應力分佈和應力傳遞長度的影響，並對試驗結果和有限元分析進行了對比，實測結果和計算結果吻合良好; （ 4 ）將有縫橋-大水町中橋優化設計為新型半整體式無縫橋，橋梁兩端均不設伸縮縫，路面也不設任何接縫。
  10. ( 5 ) in analyzing the cases of information asymmetry issue of listed companies, the dissertation simplifies the theory raised by foster, the american accountant and economist, boly, brown, etc, explaining the influence on the price fluctuation caused by the ration of share distribution, share transfers, etc. the dissertation holds the opinion that the basic risky coefficient and systematic coefficient in sharp model can be easily calculated by comparing the practical interest rate of one particular stock to the interest rate of the whole stock market during the same period

    （ 5 ）本文在對上市公司信息不對稱問題的實證分析中，簡化了美國會計師、經濟學家福斯特、威克利、鮑利、布朗等人對上市公司派、送、轉股比例對股票市場的價格變動研究的市場模型，認為通過研究某支股票在某個具體時間內的實際收益率和相同的時間內股票市場的實際收益率，就可以方便地定出夏普模型中的基礎性風險系數和系統性風險系數。
  11. Second, the bar of the frequency - distribution and the curve of lorenz and the g coefficient are talked about the spatial distribution of day to day precipitation. the results show that the heterogeneous of day precipitation is strong on every day in a year. the spatial distribution model is left skew all in four seasons and it is different from the monthly precipitation

    其次利用全國700個測站逐日降水資料的空間分佈頻數直方圖及洛倫茲曲線和基尼系數闡述了我國逐日（ 24小時）降水非均勻性的事實，直方圖顯示全國范圍內逐日降水的水平空間分佈型在四季都是一種明顯左偏態型，與月降水量的水平空間分佈型略有不同；基尼系數值的月際變化也與月降水量的變化相反。
  12. Secondly, grounded on the study of the distribution of the high external waterpressure and high geostress and the characteristic of the rock in engineering area, the paper built the elastoplastic fem numerical simulation model, and think over the procedure in tunnels excavation and the history of work of water load, and then get the relations between the different tunnels diameter, different permeability coefficient and depth of the grouting rock and the deformation, stress distribution and plastic range of the surrounding rock and support structure. finally, according to the modern design theory of tunnels construction, the particular design of country rock reinforcement and support structure are researched and presented for diversion tunnels

    接著，本文在深入研究工程區高外水壓力及高地應力分佈規律及巖體特性的基礎上，建立起高地應力、高外水壓力作用下隧洞圍巖結構非線性有限元模擬計算模型，然後考慮隧洞的開挖過程、水荷載的作用歷史，通過計算分析得出了不同洞徑、不同的灌漿圈滲透系數和不同的灌漿圈深度以及不同開挖過程與圍巖及支護結構的應力、位移和塑性區的關系。
  13. In this paper i was in virtue of the fluent software, set up the geometrical model of jin ’ ao mansion and adjacent buildings, used non - equilibrium wall functions to deal with the problem which come from the near wall, used realizable k - turbulent model to simulate the steady flow around 3d high - rise buildings, we can get the distribution of mean wind pressure coefficient of the surface of jin ’ ao mansion and five aerodynamics components. they were compared with the data from the wind tunnel test, we found out the distance between the result of the wind tunnel test and numerical simulation in the acceptable range

    本文以fluent軟體為平臺，建立金奧大廈及其周邊建築的計算幾何模型，近壁區採用非平衡壁面函數法處理，運用基於雷諾時均的realizablek -湍流模型進行高層建築三維定常風場數值模擬，獲得金奧大廈表面時均風壓系數分佈及基底五分量氣動力，並和風洞測壓試驗的結果及風壓系數積分計算的基底五分量氣動力相比較，發現兩者之間的差異在可接受的范圍之內。
  14. In this article, idealized elastic plastic model and three - dimension finite elements programs have applied to analyzing and researching the stress and displacement distribution of 4 high - steep slopes excavated on the wan - liang expressway, and the relationship has been gained between the stress existing in excavated rock slopes and stability coefficient with depth change through the self - made fortrain program ' s application to the computation of slopes " stability coefficient ; at the same time, through the analysis of the slopes " stability coefficient, such conclusion has been gotten that cohesion in the slipping zone has important effect on slopes " stability and some proposals have been presented to improve the anti - shearing ability of the slipping body through enhancement of the cohesion in the slipping body

    本文採用概化均質的理想彈塑性模型，利用三維有限元程序分析了萬梁高速公路4個高陡邊坡開挖各階段的應力及應變分佈，並且編寫了fortran程序用於邊坡穩定系數的計算，得出邊坡巖體應力及穩定系數隨著開挖深度的變化關系。並對邊坡穩定系數的敏感性進行了分析，得出滑帶內聚力的變化對邊坡穩定性至關重要，提出了改善滑帶巖土粘結狀態提高抗剪能力的工程措施。
  15. Secondly the economy model is presented to study the variety factors " contribution or contribution rate to the growth of farm ' s income, such as agriculture production ability, non - agricultural employment, the produce price and rural infrastructure investment, etc. technological, innovation and institution development are also analyzed by theory model. thirdly the author studies the income distribution through gini coefficient and theil coefficient

    其次通過構建計量經濟模型定量研究了農業生產能力、農村剩餘勞動力轉移、農產品價格、農業基本建設投資對農民收入的影響及貢獻，同時測算了農民收入各組成部分對總收入的貢獻；考慮到科技創新、制度進步難以量化的問題，作者運用理論模型定性分析了它們對農民收入的作用，以作為定量分析的補充。
  16. This paper discuss the effect of roughness coefficient on the tropical cyclone landfalling process using a idealized tc model developed from psu / ncar mm5 in the condition of quiescence and f - plane atmosphere. in order to understand the different influences of land and sea surfaces in the tc landfalling process, two kind of experiments had been designed : one for settled tc, the other for movable tc, and each kind consists four tests. the result indicates that the distribution of wind, precipitation, warm core and intensity of tropical cyclone has been changed obviously due to the effect of difference between the land and sea

    本文利用bogus技術在psu / ncarmm5中加入了理想熱帶氣旋初始渦旋，在f -平面和無環境流場的理想情況下，設計了兩組靜態和動態試驗，通過控制試驗和不同粗糙度的登陸試驗，分別從空間和時間上探討了理想熱帶氣旋的登陸規律和分佈特徵，特別研究了邊界層中熱帶氣旋中心區域風場的垂直細致結構，並初步分析了其物理機制。
  17. At first, based on the 272 station monthly precipitation in china, the paper described the heterogeneous of the spatial distribution precipitation by use of the curve of lorenz and the coefficient of g. the results show that the heterogeneous of the spatial monthly precipitation in summer is stronger than in winter. based on this describing, the probability distributions function of the spatial distributions are fitted by use of the gamma distribution model, and this general principle is examined. the results show that the gamma distribution is good on describing the heterogeneous of the spatial distribution precipitation in china

    並以分佈擬合中國區域月降水量的空間概率分佈，擬合效果優良，表明描述中國區域月降水量水平空間分佈非均勻性的普適分佈律以分佈的pdf最為適宜；以1 、 4 、 7 、 10月具有代表性的資料為例分析了各季月降水量空間分佈型的主要特徵及其形成原因，並從一個側面表明我國月降水量空間分佈的偏態性正是我國降水氣候的最顯著統計特徵之一，這也與我國大陸性季風氣候特點密切相關；並且月降水量的基尼系數和分佈模式形狀參數值都是夏季大於冬季，說明月降水量的空間分佈非均勻性夏季比冬季弱。
  18. Meanwhile, the influence of overlapping area on the beam foundation is modified by means of load amendment, and the influence of overlapping area on the pile - beam foundation is modified by means of stiffness amendment. by applying the model of stress - spread in shear - displacement method to describe the stress spread between piles and the geddes hypothesis to determine the stress distribution of pile, a displacement coefficient is deduced to calculate the flexibility matrix and the coefficient for load distribution of pile. considering the stiffness of foundation beam, the equation of the interaction of pile - beam - soil is established and an analysis program is developed related to the interaction

    本文通過採用剪切位移法中的應力擴散模型考慮樁與樁之間的應力傳遞作用；採用geddes假定確定樁身和樁端的應力分佈，推導位移系數，並以此為基礎求得柔度矩陣；樁身和樁端的應力分佈大小由樁的荷載分配系數控制，通過迭代法可以求出樁的荷載分配系數；在考慮基礎梁對樁?梁?地基土共同作用的剛度貢獻基礎上，提出了樁?梁?地基土共同作用方程，並通過本文作者開發的相應計算程序，經實例計算驗證了本文方法的正確性。
  19. Firstly, the distortion of rolled piece and the designing method in the beforehand slit pass and slit pass has been analyzed. secondly, based on the research production of predecessor and research of the author, card system selected some corresponding experience formulas such as roll force, roll moment, roll temperature and roll consume, and established spread model in the beforehand slit pass and slit pass and the distribution model of elongation coefficient. subsequently, card system applied the dynamic programming method with minimum roll consume and optimized its pass system

    本文以圓鋼雙線切分為基本實體模型，著重分析了預切分孔型和切分孔型在軋制過程中的變形特點及相應的孔型設計方法；基於前人的研究成果及作者的探索，選擇了相應的軋制力、軋制力矩、溫度及能耗模型，建立了預切分和切分的寬展及延伸系數的分配模型；應用動態規劃法以能耗最小為目標函數對孔型系統進行了優化設計；利用visualbasic6 . 0和microsoftaccess數據庫的連接，建立了數據查詢系統，以visualbasic6 . 0和autocad之間的介面在vb環境下完成了斷面孔型圖的繪制。
  20. In view of improving the efficiency of fertilizer, we paid more attention to the effect of water dynamic process and strength on nutrient availability. in this research, by model test, four kinds of agricultural soils were studied, concerning about the effect of drying - wetting alternation and temperature on potassium availability, ions " diffusion in soils under different levels of water content, and the distribution coefficient of potassium between solution and soil phases

    因此，本研究通過室內模擬土壤水分的動態變化，對水分變化的過程（干濕交替不斷進行）和變化強度對養分有效性的影響，不同水勢狀態下養分離子在固、液相間的分配關系，以及不同水分條件下養分的擴散遷移規律等方面進行了探討。
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