power law model 中文意思是什麼

power law model 解釋
動力定律模型
  • power : n 1 力,力量;能力;體力,精力;(生理)機能;〈常 pl 〉才能。2 勢力,權力,權限;威力;政權;權...
  • law : n 勞〈姓氏〉。n 1 法律,法令;法典。2 法學;訴訟;司法界;律師(界),律師職務。3 (事物或科學的...
  • 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. In chapter3, we discuss the multiplicate progressive stresses accelerated life test. under the weibull distribution and an invers power law model we first present a necessary and sufficient condition for the existence and uniqueness of mle for the exponential distribution, then give estimators and confidence intervals of the parameters based on the blue. finally, we study them by using monte - carlo simulation

    第三章首先指出了一組序進應力加速壽命試驗下weibull分佈分佈參數的mle不唯一,然後給出了p組序進應力加速壽命試驗下指數分佈的mle存在和唯一的一個充要條件,並用隨機模擬的方法研究比較了參數估計的優良性,最後給出了p組序進應力加速壽命試驗下weibull分佈中參數的點估計和區間估計,討論了有關問題,給出模擬實例。
  2. Based on the ostwald - de waele equation, the leakage characteristics of power - law transmitted by helical gear pump are researched, and the leakage model of power - law in the clearence is founded, and - the velocity distributing and the leakage capacity are worked out by the boundary condition. the power loss of leakage is got through the clearence leakage capacity, and the friction power loss is attained by the velocity distributing. the mathematic calculation model

    利用冪律流體本構方程,首次對聚合物流體在斜齒齒輪泵中的漏流特性進行了研究,建立冪律流體在間隙中的泄漏模型,利用邊界條件求出速度分佈及泄漏量;由間隙泄漏量得到漏流損失功率,由速度分佈得到流體摩擦功率損失,並得到間隙最優解的數值計算數學模型,同時給出實例及數值計算結果。
  3. The design of ride control system is a typical project of system integration, the contents of the first year ' s research include mathematical model, control law, computer software / hardware, man / machine interface, control circuit, hydraulic power system and transmission mechanism design, a prototype had also been built to verify the stability and performance of the system

    本計畫將以船舶運動控制系統商品化為目標,研究控制器軟硬體系統之簡化,提升控制器硬體系統訊號傳輸之品質及側向穩定翼之機構設計,最後並期對運動控制器軟硬體分項功能與整體機構功能作驗證。
  4. And we use statistical computation and relativity analysis for the first time. so we make the conclusion that the simulation system obeys the power - law frequency - area distribution by improved 2 - d ca model. and by relativity analysis we know simulation sequences are long correlative

    通過改進的二維沙堆自動機模型的構建和模擬,本文得到了一系列模擬數據,並在此基礎之上,首次通過統計計算和相關性分析,得到如下結論: ( 1 )改進的二維沙堆自動機所模擬的系統在沙粒暴發頻率對暴發規模的關繫上服從負冪律分佈。
  5. It is necessary to make more profound research in the field of settlement prediction. in this dissertation, on base of the existing work, the three - point method which is the mostly used method in the settlement prediction has been studied thoroughly firstly, which indicated and discussed the deficiency of the three - point method, and as a result an improved three - point method was put out ; secondly, by analyzing the characteristics of the process of the foundation settlement we put forward the model for predicting foundation settlement based on " law of massaction ". the predictive result was ideal as we applied it to the 3. rd coalfield project of wenzhou power plant and project of wenzhou peninsula, which shows that the model deserve use in much more projects

    本文在對國內外關于地基沉降預測理論的研究進行綜述的基礎上,首先對工程中常用的三點法進行了細致深入的研究,指出以工程實測數據證明的現有三點法在應用時存在的不足,針對該不足進行了探討,並在此分析基礎上提出了預測結果更為理想的改進三點法;其次區別傳統沉降預測方法的研究途徑,本文從沉降過程的發展特徵出發,根據描述物化反應過程發展特徵的質量作用定律原理,探討了一種新的地基沉降預測方法:地基沉降預測的「質量作用定律」模型;本文還以溫州三期煤場工程及溫州淺灘圍塗促淤工程為背景,對上述改進三點法、地基沉降預測的「質量作用定律」模型的工程應用與傳統的預測方法進行了比較,認為這些方法是可行的,並得出一些有用結論。
  6. Comparing with the current observations, which include the number density distribution in space, mass function, etc., the so - called standard modes for both the power law and gaussian cluster initial mass functions are selected among many runs of simulations. the deviation from the standard modes, which is resulted from the change of the parameter for the initial conditions, is discussed in detail. the discussion of the model parameters is also presented although they are adopted as the typical values based on previous work

    對應一定的初始分佈我們發現無論是冪律的還是對數高斯的球狀星團初始質量譜經過長時間的動力學演化都會得到和現在銀河系觀測到的球狀星團系統相符的對數高斯的質量分佈;動力學演化會明顯地改變球狀星團系統的空間密度分佈,靠近銀心區域的球狀星團瓦解得更多;經過動力學演化后的球狀星團速度分佈函數在靠近銀心的區域明顯得不同於初始分佈,初始擁有較大軌道偏心率的球狀星團更容易瓦解。
  7. Flicker noise is approximately simulated by power law model of phase noise spectral density

    根據相位噪聲功率譜的冪律模型,近似地模擬了相位噪聲。
  8. In this paper generic model control is applied to the design of controlling law of the nonlinear power propulsion system, at the work state of constant depth and variable speed, constant speed and variable depth movement of torpedo. then the simulation program of the torpedo thermal power digital simulation system comes forth which can be used for the dynamic simulation of the performance of the process of open - loop constant depth and open - loop constant speed, the process of close - loop constant depth and close - loop constant speed

    本文採用一般模型控制的基本原理,對非線性動力推進系統進行控制律的綜合,設計了魚雷恆深變速、恆速變深控制的閉環控制規律,開發了魚雷熱動力系統數字模擬軟體,對魚雷熱動力推進系統的典型工況:開環恆深、開環恆速以及閉環恆深、閉環恆速進行動態模擬。
  9. 2. the stable asymmetric power - garch model is applied to szsi and shci and stable law is fitted into the empirical distributions. the stability of standardized stable innovation is checked and the evaluation of prediction accuracy is performed

    2 .對szsi以及shci建立了非對稱穩定冪- garch模型,對其標準穩定新息進行了穩定分佈擬合、穩定性檢驗以及預測精確性的實證檢驗。
  10. The paper analyses the stress of bulk cargo, puts forward the analytic method of working out the separating interface between gas and material and establishes t he model calculating model and the movement characteristic parameter equation according as the moment balance law to determine the size, rotate speed, the drive power of screw and the productivity

    分析了物料間的應力狀態,提出了物料與空氣分離界面的解析法,根據物料的力矩平衡建立了螺旋阻力矩的計算模型和物料的運動特徵參數方程,以確定螺旋的尺寸與轉速、螺旋驅動功率和輸送量。
  11. Power law model - goodness - of - fit tests and estimation methods

    冪律模型.適合度檢測和估計方法
  12. From the framework of the paper, the first and second chapters expound the basic notions and theories of the government regulation and power market ; the third and fourth chapters are the core parts, to study the entrance regulation from the angles of cost subadditivity and the workable competition, study the price regulation through contrast analysis of the investment reply rate model and the highest limit price model ; the fifth chapter reach the policy of the government regulation in our power market : rule by law is the marrow, the independent regulation organization is the key point, the clearance of property rights is the guarantee

    從結構上看,論文的第一、二章首先對政府規制和電力市場基本概念與基本理論進行論述;第三、四章是本論文的核心部分,從成本弱增和有效競爭的角度分別對電力市場的進入規制進行探討,通過投資回報率模型和最高限價模型之間的比較分析對我國電力市場的價格規制進行研究;第五章得出我國電力市場政府規制的政策導向:法治是電力監管的精髓,獨立的監管機構是電力監管的關鍵,產權清晰是電力監管的保障。
  13. The legal government is the government ruled by law, it can be seen as a political model that legalizes political power, regulates political behaviors and stabilizes political relations

    從外延上看,法治政府是「法律人」之治,是具有政治權力合法性、政治行為規則性和政治關系穩定性的政府治理模式。
  14. Allan variance estimated by simulated noise and calculated theoretically using power law model are well matched. the effect of phase noise on azimuth focusing is given by monte carlo experiment

    模擬相噪得到的allan方差估計值與冪律模型得到的allan方差理論值符合得較好。
  15. Moreover, the data processing method of accelerated life test is used to solve the problem of the reliability data conversion under different operating status to liquid rocket engine. and the counter power law model is introduced as the relation model between the characteristic life and the combustion chamber pressure, the accelerated life equation of the constant stress accelerated life test for the weibull distribution is obtained, through the accelerated life equation, the reliability estimate of different combustion chamber pressure is calculated

    再次,採用加速壽命試驗的數據處理方法對液體火箭發動機不同工況下可靠性數據折算的問題進行了研究,引入逆冪律模型作為特徵壽命與燃燒室壓力之間的關系模型,得到了weibull分佈下恆定應力加速試驗的加速壽命方程,並通過加速壽命方程折算出不同室壓下的可靠度估計。
  16. The combined mathematical model of non - newtonian power - law fluids with low - velocity non - darcy flow in fractal reservoirs

    分形油藏非牛頓冪律流體低速非達西不穩定滲流的組合數學模型
  17. The management model and operation mechanism of wind power and solar energy industry under market - directed economy, not only agree to european countries social reality, but reflect the renewable energy industry ' s inherent law of management under the condition of market economy

    在市場經濟條件下的太陽能、風能產業管理模式及運行機制,不僅符合歐洲各國的社會實際,而且反映了在市場經濟條件下可再生能源產業管理的內在規律,值得借鑒。
  18. A better desired ventilation form is acquired by comparing the three efficiency values. on the basis of recently materials collected in the field at home and abroad, this paper adopts two - equation turbulence model by analysis and comparison, and sets up mathematical model to study three - dimentional indoor turbulent flow. control - volume method and power - law scheme is used to discrete these differential equations. according to semi - implicit method for pressure - linked equations ( simple algorithm ), author writes a general program in c language for simulation of the velocity profile, temperature and pollution concentration distributions of indoor airflow, and the writing, the debugging and the running of the program. all are completed in microsoft visual c + + 6. 0 environment

    在收集國內外在這一領域內的大量資料的基礎上,通過分析與比較,採用了k -雙方程模型來研究室內氣流的濃度分佈,建立了描寫穩態的三維紊流室內氣流濃度分佈的數學模型,採用控制容積法和冪函數分佈方案來離散微分方程組,按壓力藕合方程的半隱式法( simple )演算法,用c語言編寫了計算室內氣流流場和溫度場、濃度場的通用程序,並在microsoftvisualc + + 6 . 0環境下對程序進行編制、調試與運行,並對調試工作做了探討與分析。
  19. First, briefly stated the reliability research developing history and current situation at home and abroad, the reliability test method and developing trends, then statistical analysis method and existing problems, and electrical connector reliability research ' s current situation and existing problems, i second, through analyzing the failure mechanism of electrical connector, and combining with the theory of probability and statistics, set up a reliability statistical model of electrical connector affected upon vibration stress, which is the anti - power law - weibull model, laid a foundation for working out electrical connector reliability test plans and treating electrical connector test data

    首先,對國內外可靠性研究的發展歷史和現狀,可靠性試驗的方法和發展趨勢,可靠性統計分析方法和存在的問題,以及航天電連接器可靠性研究的現狀和存在的問題進行了回顧和評述。其次,通過對電連接器進行失效機理的研究分析,結合概率統計理論,建立了電連接器在振動應力作用下的可靠性統計模型,即逆冪律?威布爾模型,為電連接器可靠性試驗方案的制定和試驗數據的統計分析奠定了基礎。
  20. And combining with the theory of probability and statistics, set up a reliability statistical model of electrical connectors affected on vibration stress, that is reverse power law ? eibull model, laid a foundation for working out electrical connector reliability test plans and treating electrical connectors test data

    進一步結合概率統計理論,建立了電連接器在振動應力作用下的可靠性統計模型,即逆冪律?威布爾模型,為電連接器可靠性試驗方案的制定和試驗數據的統計分析奠定了基礎。
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