時間均值 的英文怎麼說

中文拼音 [shíjiānjūnzhí]
時間均值 英文
time average
  • : shí]Ⅰ名1 (比較長的一段時間)time; times; days:當時at that time; in those days; 古時 ancient tim...
  • : 間Ⅰ名詞1 (中間) between; among 2 (一定的空間或時間里) with a definite time or space 3 (一間...
  • : Ⅰ形容詞(均勻) equal; even Ⅱ副詞(都; 全) without exception; all
  • 時間 : time; hour; 北京時間十九點整19 hours beijing time; 上課時間school hours; 時間與空間 time and spac...
  • 均值 : [數學] mean value
  1. Find the magnitude of the average acceleration during the interval.

    求在這段隔內平加速度的數
  2. ( 2 ) study the character of audio signal. analyze the zero - crossing rate and mfcc. a mean mel coefficients is proposed, it can be used to recognized different audio signal

    通過對mfcc系數進行分析,mfcc系數作為音頻特徵,採用動態規整識別演算法,能夠對單一音頻進行識別,對已有數據源進行測試,有較高的識別率。
  3. But my focus was specially laid on the decision - making of investment under uncertainty and with competition, i first. extend the basic model of dixit & pindyck ' s by allowing the relevant parameter to be a random variable, then proposed an numerical example to show how to solve this model, i gave the algorithm and did the comparative static analysis, finally i developed a model of duopoly under uncertainty, considering the competition between the firms explicitly, using roa, i calculated the two firm ' s values respectively when they take different roles - to be leader or follower, and then checked the possible equilibriums

    本文的重點是考察在同存在不確定性和競爭的情況下,如何用實物期權的理論估算投資項目的價,為此,文中發展了兩個模型,第一個模型是對dixit & pindyck的模型的擴展,它通過一個相關的隨機變量來考察競爭對項目價的影響,但沒有考慮企業的相互博弈,文中給出了一個例子詳細地說明了該模型的求解並做了敏感性分析;第二個模型是一個不確定情況下的雙寡頭模型,文中給出了用實物期權方法計算的兩企業在處于領導者和跟隨者兩種不同境況的價,並將企業的相互博弈考慮在內,考察了可能的衡狀態。
  4. In adding - acid system : the resistivities of different lithotypes " cp tend towards being constant and equal when weight percentage of aniline exceeds 50 % ; because of the structure difference of different lithotypes, the polymerizing places and processes are different ; the resistivities of vituain / pan and fusain / pan reach the lowest point respectively when ( ntloisiog / an is 0. 6, 1. 0 ; the resistivities of cp decline fast and tend towards being constant along with the reduction of diameter of coal. in not adding - acid system : the resistivities of different lithotypes ' cp decline evenly ; it is found on the crossed experiment of cp, that ( nflsaog / an mole proportion is the most important factor to influence output ratio of cp and the weight percentage of aniline is the most important factor to influence resistivities of cp. according to the result of the crossed experiment of cp

    在有外加酸體系中:苯胺百分含量大於50,不同煤巖組分的電阻率趨于恆定和一致;由於不同煤巖組分結構上的差異,導致苯胺聚合場所和聚合過程的不同;當過硫酸銨/苯胺摩爾比為0 . 6 , 1 . 0,鏡煤-聚苯胺導電材料電阻率和絲炭-聚苯胺導電材料的電阻率分別達到最低;在無外加酸體系中:不同煤巖組分/聚苯胺導電材料的電阻率隨著聚合的增加而勻下降,並在8小左右達到恆定;在對絲炭-聚苯胺導電材料進行的正交試驗中發現:過硫酸銨/苯胺摩爾比對產率的影響最大,苯胺重量百分比對產率影響最小,而對產物電阻率影響最大的是苯胺重量百分比。
  5. In a comparison of nephron - sparing surgery and radical nephrectomies, the tumor size, operative time, blood loss, hospital stay, and preoperative and postoperative serum creatinine levels were analyzed

    比較腎臟保留手術和根除性腎臟切除手術的差異,我們針對腫瘤大小、手術、血液流失程度、住院日數、術前和術后的血清肌酸酐加以分析及討論。
  6. The work of the paper mainly includes : ( 1 ) present a model for measuring the similarity between two hydrological time series. in this model, we adopt an intuitive dimensionality reduction technique for hydrological time series which is called piecewise average approximation ( paa )

    主要工作包括: ( 1 )提出了適合水文序列數據特點的相似性模型,採用簡單直觀的等隔序列分段平技術( paa )作為水文序列降維方法。
  7. The study conducted research on the following four fields : firstly, the characteristics of the interfacial polymerization system of piperazine aqueous solution / trimesoyl hexane solution were systematically investigated. the results show that at a certain molar ratio between the two monomers, piperazine and trimesoyl, at the two phase interface, a dense functional layer of ultra low pressure, high permeating flux and high salt rejection formed by controlling the time of interfacial polymerization, such as the composite membrane ( i ), the concentration in water phase is 0. 4 %, and 0. 1 % in organic phase, and the polymerization time is 1 minute

    本文主要進行了四個方面的研究,首先系統分析和研究了哌嗪水溶液苯三甲酰氯正己烷溶液界面聚合體系特徵、界面聚合反應中各影響因素對膜性能的影響等,結果發現,當界面處兩相單體(哌嗪和酰氯)分子摩爾比為某一比,通過控制界面聚合(有機相處理) ,可以形成超低壓高通量高脫鹽的緻密功能層,如復合膜( ) ,水相濃度為0 . 4 ,有機相濃度為0 . 1 ,聚合1min 。
  8. However, the divergence of regional ecomomy divergence in henan province became more and more obvious from 1992 to 2002 and should be paid necessary attention. according to the statistical analysis of regional economy developmeht, especially in county level, with 127 county of henan province, this article discusses quantitatively and qualitatively the characteristics of dynamic variation and the spatial pattern of regional economic differences and relationship between growth rato of gdp per capital and economic differences from 1992 to 2002

    本文以河南省的127個縣域為研究的區域單元,以計量統計分析為基礎,定性、定量描述了自1992年到2002年的縣際經濟差異,分析了縣際經濟差異格局特點,探討了縣際經濟差異的動態變化特徵,預測了未來發展階段的縣際經濟差異和2002年的人gdp,討論了人gdp增長率與縣際經濟差異的關系。
  9. On a statistical average there is a strong dependence of the scintillation on the time of the day.

    就統計平而言,閃爍跟一天的不同有很強的依賴關系。
  10. Fortunately, the modern geodetic measurements such as the global positioning system ( gps ) technique can overcome the shortage of the geological and seismographic methods in the time dimension ; and yet, the coverage of the geodetic survey stations is not sufficient. as a result, it is necessary to employ numerical simulation to investigate the continuous deformation of the crust

    而以全球定位系統( gps )等技術為主的大地測量方法彌補了地質和地震學方法在維上的不足,但大地測量方法存在測點覆蓋不足及測點地理分佈不勻的缺點,因此,要得到連續的地殼形變場有必要藉助數模擬方法。
  11. This paper develops a deterministic inventory model for perishable items with a mixture of back orders and lost sales under inflation and time discounting, where the backlogged demand rate is dependent on the negative inventory level during the stock out period. the main differences from the existing related models are that the present model takes the maximum present value of profit in a repeatable order cycle as the objective function and proposes a more practical constraint of maximum customer - waiting time to ensure a proper customer service level. then the existence and the uniqueness of the solution to relevant systems are examined and a solution algorithm is shown to find the optimal replenishment policy. at last, some numerical examples are presented to illustrate the applicatioh of the model

    本文建立了一種考慮通貨膨脹與的變質性物品的庫存模型,在模型中允許短缺發生且拖后的需求速率與在缺貨期已經發生的缺貨量有關.和已有相關模型的主要區別在於本模型把一個可重復的訂貨周期內的最大平利潤的凈現作為目標函數,且增加了在缺貨期最長顧客等待的限制,以確保庫存系統擁有較高的服務水平.然後討論了模型最優解的存在性與唯一性,並提供了尋求模型整體最優解的演算法.最後用實例說明了此模型在實際中的應用
  12. The magnitude of the maximum value, as well as the time to reach such maximum value, varies with geometry and surface heat-transfer coefficient.

    最大的及達到此最大隨幾何形狀和表面熱傳導系數而變。
  13. The sampling intervals range from 1-hr averages of continuous monitoring to monthly and quarterly composite.

    來樣的范圍從連續監測的一小到一個月、一季度的綜合
  14. 8 - 1. 2g / min, and collection efficiency achieve 8 - 10 % under these parameters. through the study on the dispersion process of the nanoparticle tio2 in water, the author finds out that whisk time, dispersant types, dispersant concentration, dispersing time, ph value, temperature and electrolyte concentration have significant influence on dispersing effects. through contrastive and orthogonal experiments, the author obtains that composite dispersants have better results than single dispersants

    研究表明,液料等離子噴塗制備的納米tio :顆粒平粒徑為10 ~ 50nln ,其晶型以銳欽礦為主,且隨著電弧功率的增大,銳欽礦含量減少;在本次實驗工藝參數下,收集速率為0 . 8一1 . 29 / min ,收集效率為8一10 % o通過對納米ti02顆粒在水介質中的分散性研究,發現機械攪拌、分散劑種類及濃度、分散、 ph、溶液溫度和電解質濃度對納米tio :顆粒的分散穩定性有很大的影響。
  15. The basic principle of earned value is introduced in this paper and the contents of project risk management are also included. based on analyzing of merits and shortcomings about earned value and risk management, it is likely to integrate them. the paper has a hot talk about the method of calculating the earned value indexes when the schedule of activity is fixed

    接著,著重討論了項目活動持續服從pert三點估計項目在各觀察點的掙績效指標的計算方法,給出了某一項目在該種情況下各觀察點的最可能的掙績效指標的模擬結果,並在分析了這些掙績效指標的曲線特徵的基礎上,探討了掙管理中的風險控制問題。
  16. Heuristic algorithms of the network resource optimization for highway construction

    考慮資金因素的多資源衡優化
  17. Among them distributing with the traffic of average rate of increase law calculation flow of passengers capacity ; the flow of passengers is brought out in model law calculation with gravity ; constructing the rate sharing responsibility for building model calculation according to transportation resistance shifts the flow of passengers ; think over time value when the flow of passengers is brought out in the calculation

    以膠濟鐵路提速改造為例,就構造的客運量預測模型作了應用研究。其中以平增長率法計算客流量的交通分佈;以重力模型法計算誘發客流;依據運輸阻力構建的分擔率模型計算轉移客流;在計算誘發客流考慮了
  18. For all reflux episodes, the mean duration was 49. 1 minutes with a maximum of 167minutes. the reflux frequency of upright was more than supine, while the longest reflux time in supine was more than in upright

    05 ) ;所有夜反流事件的持續時間均值為49 l餅屯最長為169分鐘,夜膽紅素吸收為0 42 ,最大為0
  19. Besides, in this section certain basic ideas concerning options including the expiration date, exercise price, moneyness, the inner value and time value, the asymmetry of options " payoffs as well as the black - scholes equation are introduced respectively

    此外,期權的到期日、執行價格、盈虧狀態、期權價格與內在價、期權收益的不對稱性、 black - scholes定價方程等等都是非常重要的基本知識,在本節中一一作了簡要介紹。
  20. This part firstly studies the relation between spectral transmission of the optical system and the thickness of medium. then a linear search algorithm base on analysing of the shape of curve is discussed. the simulation results show that the fitting error and the computing time of the algorithm satisfy the practical measuring requirements

    本論文首先討論了光譜透過率與各向異性介質厚度之的數學關系,然後在分析曲線形態基礎上進行全匹配,模擬表明,該演算法可以實現曲線完全擬合,擬合在1秒以內,完全符合實際測量要求。
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