隨機變化率 的英文怎麼說

中文拼音 [suíjībiànhuàlǜ]
隨機變化率 英文
random variability
  • 隨 : Ⅰ動詞1 （跟; 跟隨） follow 2 （順從） comply with; adapt to 3 （任憑; 由著） let （sb do as he li...
  • 機 : machineengine
  • 率 : 率名詞（比值） rate; ratio; proportion
  • 隨機 : random stochasticrandom
  1. It was shown from the result of analysis and comparison that the evaluation efficiency for the non - randomized cloud seeding operations could be improved by using appropriate physical covariate as control factor and increasing the correlativity between rainfall distributions in the control area and target area

    比較分析的結果表明，只要不斷提高對比區和影響區的相關性和引入新的更有效的協變量，就可能提高非隨機化作業的效果評估效率，從而更好的檢驗人工增雨作業的效果。
  2. This paper takes mobile engineering department equipment management of daqing petrochemical parent company as an example, and studies the design and application of equipment management system of daqing petrochemical parent company, for the implement of computerizing the equipment entire process management with the equipment management system and completing the synthesis management, the records management, the expense management, the fixed asset management, the specialized management and the information management with the computer system and making in the manual management some qualitative and stochastic ingredients transforming into the quantitative standard management. so it guarantees that we can perform advanced predicting management in the entire process of the matter movement and the value movement of equipment and complete the equipment servicing transition from the compulsory servicing and afterwards servicing to the preventive servicing, improving work quality, efficiency and modernized degree which the equipment manages and assisting enterprise ’ s equipment management decision - making and the whole realization of management goal and enhancing the enterprise ’ s interior equipment utilization and realizing its maximum profit

    本文以大慶石化總廠機動工程部的設備管理為例，對大慶石化總廠設備管理系統的設計與應用進行研究，旨在通過設備管理系統實現設備全過程管理計算機化，由計算機系統來完成設備的綜合管理、檔案管理、費用管理、固定資產管理、專業管理及信息管理，使人工管理中一些定性的、隨機的成分轉變為定量的規范的管理，保證大慶石化總廠對設備的物質運動和價值運動的全過程實行先進的可預知性管理，並逐漸將設備維修從目前的以強制性維修及事後維修為主過渡到以預防性維修為主，提高設備管理的工作質量、效率和現代化程度，輔助企業的設備管理工作決策及經營管理目標的整體實現，提高大慶石化總廠內部設備的利用率及實現其最大的經濟效益。
  3. ( 2 ) after the establishment of the goal of socialist marketable economic system, market mechanism has began to play leading or important role in lots of economic fields, meanwhile the prices of most commodities become unloosed and modern enterprise system gets established. the reform of marketing not only brings energy into our economy, ameliorates allocation status of production - element and impro ves economic efficiency, but also changes the phenomenon of isomorphism of regional industry " to some extent

    （ 2 ）社會主義市場經濟體制目標確立后，隨著我國絕大多數商品的價格逐步放開，現代企業制度逐步確立，市場機制開始在多數經濟領域起著主導或者重要作用，市場化改革在給經濟注入活力、改善要素配置狀況和提高經濟效率的同時，也會使我國區域間的產業同構現象發生一定程度的變化。
  4. Abstract : the far - field spot characteristics of laser converted by random phase plate are analyzed theoretically, including the shape, size, rotational symmetry and diffractive efficiency of the spots, as well as the distribution of subsidiary spot. by comparing the influence of phase element shape ( triangular, square and hexagonal ) on the characteristics, we found that the random phase plate with hexagonal array structure is more suitable for the beam smoothing in laser fusion

    文摘:從理論上分析了激光經隨機位相板變換后在遠場的光斑特性（包括光斑的形狀、大小、旋轉對稱性、衍射效率以及旁瓣分佈） ，通過比較三種形狀位相元（等邊三角形、正方形和正六邊形）的遠場光斑特性，得知正六邊形位相元結構的隨機位相板更適合於激光聚變中的束勻化。
  5. The author analyzes the change rules of fuel consumption and the mass of the main exhaust emission pollutants ( nox, pm, co, hc and carbon ) with the operating parameters ( speed and load ), points out that nox and pm are the primary exhaust emission pollutants which affect the turbocharge - intercooled diesel engine to reach the requires of emission regulations, and map the figure of compositive exhaust emission characteristic

    分析了有效燃油消耗率及各主要排放污染物（ nox 、 pm 、 co 、 hc 、碳煙）的排放量隨運轉參數（轉速n與平均有效壓力p _ （ me ） ）的變化規律。指出nox與pm是影響增壓中冷柴油機排放達標的主要排放污染物，並繪制了排放綜合特性圖。這為該類型柴油機的性能分析提供了參考。
  6. The results showed that temperature of freezing storage had influences on the zein films, which led to the changes of mechanical properties, equilibrium moisture content ( emc ), water vapor permeability ( wvp )

    結果表明：蛋白膜的機械特性、平衡水分含量和水蒸氣透過率隨凍藏溫度的變化而發生變化。
  7. When the dispersed phase droplet initial diameter was relatively small, the coalescence rate varied sharply as the dispersed phase droplet initial diameter changed, the coalescence effect was dominating with increasing the screw rotation speed and decreasing the output

    當液滴初始直徑較小時，其集聚變化率隨著初始直徑的變化而急劇變化；提高螺桿轉速和降低擠出機產量有利於集聚的發生，分散效果較差。
  8. A new method is presented. the travel time, including the time delays associated with overland folw pathways, is obtained. it is expected that the hillslope velocity and the stream velocity are different, and different equation is used. in the method, the fact that velocity increases going downstream in river systems is taken into account. after the travel time of each cell being calculated, the frequency distribution of the times of arrival of individual water droplets at the catchment outlet - giuh, is obtained

    提出了一種匯流時間計算方法，匯流時間中包括坡地漫流時間和河道匯流時間。方法中坡地單元的匯流速度與河道單元的匯流速度採用不同的計算公式，同時考慮流速沿河道向下游的變化。流域中每一個網格單元的匯流時間得到后，將其看作隨機變量，進行統計分析后，得到匯流時間的頻率分佈? giuh 。
  9. The basic agc roles include : ( 1 ) making generation follow the load change, and holding system frequency on fix value ; ( 2 ) dispatching power to each area, and holding exchanging power on fix value between each area

    其主要功能是響應負荷和發電的隨機變化，維持電力系統頻率為規定值，響應各區域分配系統發電功率，維持區域間凈交換功率為計劃值。
  10. To analyses the changes of business income, we apply two methods : ( 1 ) suppose the volume of sales is random variable, ( 2 ) suppose the growth ratio of sales is random variable

    摘要應用兩種方法： （ 1 ）假定銷售量為隨機變量； （ 2 ）假定銷售增長率為隨機變量，研究企業收益的變化。
  11. Considering the fuzziness of some boundary conditions enviroment media, and especially some loads in the engineering structure analysis, we go further into the computation based on the dynamic problem of fuzzy finite element ( ffe ), study further and systematically the analysis and solution. the principle of fuzzy minimum potential energy is established, and the balance equation of fuzzy finite element is reasoned by making fuzzy variation. at the same time, the dynamic balance equation of stochastic by making stochastic variation ， also the fuzzy stochastic dynamic balance equation is deduced. based the theory that the degree of the fuzziness and probability can be measured, in the other word, by using the concept of fuzzy entropy and entropy, pure fuzzy dynamic structure is given through transforming the probability to fuzziness. for the fuzzy parameter can be regarded as a fuzzy vector with dimensions, the structure ' s eigenvalue, by the theory of small parameter

    建立了模糊瞬時最小勢能原理，運用模糊變分原理導出了模糊有限元動力平衡方程；同時，利用隨機變分原理導出了動力問題的隨機有限元方程，同時得到了模糊隨機動力問題的有限元平衡方程。根據模糊度和概率度可以度量的原理，即利用模糊熵和概率熵的概念，把結構的隨機性等效地轉化為結構的模糊性，得到純粹模糊性的動力結構。把結構所具有的模糊參數看作一個維的模糊向量，利用小參數攝動原理，把結構的特徵值，特徵向量和位移都在模糊向量的均值處進行泰勒展開，得到一組遞歸方程，即可以求得結構的模糊特徵值，特徵向量和模糊位移。
  12. In the existing literature, the material coefficients are simply considered as constants. yet the material coefficients c and n in paris formula are randomized in this study. using the least square method, the statistical correlation between c and n is obtained through the numerical value collocation

    將以往文獻中通常看作是確定性的材料系數隨機化，通過對大量數據進行數理統計的分析，將疲勞裂紋擴展速率paris公式中材料系數c和n視為隨機變量，採用最小二乘法對c和n進行數值擬合，從而得到二者的統計相關性表達式。
  13. Compared with dcsk modulation, the fm - dcsk modulation changed the chaotic signals with random magnitude into the signal with constant magnitude and random frequency, thus the systemic noise performance is achieved

    將振幅隨機變化的混沌信號變為頻率隨機變化而振幅恆定的混沌fm信號，降低了系統的誤比特率。
  14. If either of strength and stress is stochastic variable and another is fuzzy variable, the. fuzzy variable can be transformed to section number on the assumption that the probability of fuzzy variable taking some points in that section is proportional to its value of membership function respectively, then the probability of structural fuzzy event is transformed to general probability with stochastic strength and stress variables and can be solved by general probability theory

    當強度和應力之一為隨機變量，另一個為模糊變量時，提出將模糊變量通過模糊集合截集轉換為區間數，並假定模糊變量在此區間取值的可能性與相應的隸屬函數值成正比。採用上述處理后，結構模糊事件的概率即轉化為相應的普通事件概率，可按應力和強度為隨機變量，用常規可靠性理論進行求解。
  15. Secondly, we focus on self - mixing speckle interference. lang - kobayashi rate equations are modified to obtain the output characteristics of laser diode under variable feedback conditions

    將移動的粗糙表面形成的外腔等價于隨機變化的反饋條件，修正lang ? kobayashi速率方程，得到變反饋條件下的半導體激光器的輸出。
  16. Though studying some formulas in theory of probability, we give the formula conditional probability in complete event set and a simplified formula for density ' s function in two random variables, they offer new methods in calculation

    摘要通過對概率論中有關公式的研究，給出了全條件概率公式和二維隨機變量函數的密度函數的簡化計算公式，為其計算提供了新的方法。
  17. The results showed that when the dispersed phase droplet initial diameter was relatively large, the coalescence rate little varied as the dispersed phase droplet initial diameter changed and increasing the screw rotation speed and decreasing the output could obviously make for the dispersed effect

    結果表明，當液滴初始直徑較大時，其集聚變化率隨著初始直徑的變化而變化較小；提高螺桿轉速和降低擠出機產量可以提高螺紋元件的分散效果。
  18. A new method for probability density estimation based on the probability density evolution method is proposed in this paper

    摘要利用密度演化方法，提出了隨機變量概率分佈估計的一個新方法。
  19. According to the problem that the recovery rate is traditional treated as a constant or an independent stochastic variable by the classical credit risk pricing and management model, and problem that the negative correlation between the default probability and recovery rate is always neglected, this dissertation gets the exponential and logarithm regression models of default probablilty and recovery rate based on some empirical researches, and improves on several broadly applied credit risk models, such as structural hazard rate model, affine structure model, convertible bond pricing model and credit metrics model, and introduce the negative correlation between

    針對傳統的信用風險定價模型及信用風險管理模型將違約回收率看成是一個外生的常數或是一個獨立的隨機變量，而忽略回收率和違約概率之間的負相關性這一問題，本文應用相關實證研究得到了違約概率和回收率的指數和對數回歸模型，並對應用非常廣泛的結構化風險率模型、仿射結構模型、可轉換債券定價模型和creditmetrics模型進行了改進和拓展，在新模型中應用指數和對數函數引入了這兩個變量之間的負相關性。
  20. On the basis of randomness analysis of traffic demand and supply and the reliability analysis of network, the concept of unblocked reliability was presented

    摘要暢通可靠度是在考慮交通供給和交通需求的隨機變化特性的基礎上，借鑒網路可靠性分析方法，提出的概率型指標。
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