數值估算 的英文怎麼說

中文拼音 [shǔzhísuàn]
數值估算 英文
numerical estimation
  • : 數副詞(屢次) frequently; repeatedly
  • : 估構詞成分。
  • : Ⅰ動詞1 (計算數目) calculate; reckon; compute; figure 2 (計算進去) include; count 3 (謀劃;計...
  • 數值 : numerical value; numerial number; figure; magnitude; value數值表 numerical tabular; 數值天氣預報 ...
  • 估算 : estimate; reckon (up)
  1. Firstly, by numerical and theoretical analysis, the author compares some existent confidence intervals, for example, " exact " confidence interval, wald confidence interval and bayesian confidence interval, and finds some deficiencies points of the confidence intervals, whose modification version has been proposed. also, several better confidence intervals such as are also presented. secondly, for given confidence coefficient and interval width, the author constructs a class of asymptotical two - stage interval estimate procedures. at the same time, under varies restriction of confidence coefflcientent interval width, the optional sample size of the first stage has been computed by numerical computation. the numerical computation shows that the method considered in this dissertation have good properties and applied value

    同時,由於poisson分佈的特性,我們知道不存在其參區間長度小於0 . 5的置信區間,基於這些情況,我們主要展開了以下兩個方面的研究:一是利用分析與理論分析的方法對現有的若干置信區間如「精確」置信區間, wald置信區間, bayes置信區間等進行分析比較,發現了一些缺陷,針對這些缺陷,我們進行適當的修正,並得到幾種性質較好的置信區間如:修正大樣本區間jeffreys原則下置信區間二是針對已給定的置信系與區間長度,我們提出了一種漸近的兩階段區間計程序,並利用的方法,在各種置信系與區間長度限定下,出了最優的第一階段觀測次(抽樣量) ,大量據表明,本文考慮的方法性態良好,具有應用價
  2. 3. the static aerodynamic characteristics of the projectile are computed using the software of cfd, the results of the numerical simulation are agreement with the engineering calculation, this verifies that the results of the static aerodynamic characteristics of waf from engineering calculation are satisfactory

    3 .應用cfd軟體對彈靜態氣動特性進行結果與工程結果吻合較好,說明卷弧翼的靜態氣動特性可以通過平板翼進行
  3. Set up a model for lfm signal detection and parameter estimation on the basis of realization of the digital computation of discrete fractional fourier transform 4

    3 .在分階fourier變換離散實現的基礎上,建立了lfm信號的檢測與參計系統模型,並模擬實現。
  4. Based on the experimental data of rotor steel 1crmov in the loading of low - cycle fatigue at high temperature, the strength behavior and the fatigue life curve of this material at 550 have been achieved. meanwhile, with respect to three kinds of notched bar, their material damage assessment method under multiaxial stress condition is discussed

    本文在1crmov材料的高溫低周疲勞實驗據進行了整理和統計的基礎上,得到了材料的疲勞強度特性曲線和疲勞壽命曲線,同時對三種不同缺口形式的圓柱形試件進行了多軸應力狀態下的材料損傷的研究,並通過方法進行了疲勞壽命評
  5. On the base of analysis on the characteristics of urban land gradation and evaluation in tai ’ an, the paper calculates the interior structural ratio index of urban datum land price including the various land price at same grades and the different grades land price in same classification according to the numerical value of base land value over the years. through comparing with the calculation results, the paper summarized the general change direction of the ratio

    本文在對泰安城區土地定級價基本特點分析的基礎上,根據三輪的( 1992年、 1999年、 2004年)基準地價的測,計出包括同級各類地價比率指、同級各類地價環比指、同類各級地價比率指、同類各級地價環比指在內的基準地價內部結構比率關系,並對三輪計結果進行比較,總結出比率變動的一般規律。
  6. Further more, the solutions of this paper is benefit for the estimation of the characteristics of this new trajectory, such as maximum heating rate, load factor and dynamic pressure during the period of the project demonstration

    研究結果可為新型助推滑翔式飛行器在方案論證階段時的彈道特性分析以及射程、峰熱流和過載等特徵參提供依據。
  7. The auto - spectrum is attached to linear phase, the amplitude - frequency drawing is got according to the arithmetic of bi - spectrum, then the equivalent is educed, the conversion relation is attained

    該方法通過對自譜添加線性相位,根據雙譜的計演法計獲得雙譜在三維空間的幅頻圖,通過推導雙譜與自譜計演法之間的等價關系以及所得的幅頻圖來實現兩者之間的相互轉換。
  8. The error analysis model of sampling system was set up for the first time, by combining the saddlepoint approximation analysis and numerical arithmetic, which greatly increased the potential of further application and improved the reliability of the error approximation of the optical sampling histogram

    論文首次建立了採用鞍點近似法與法相結合的取樣系統誤差分析模型,大大擴展了鞍點近似演法的適用范圍,提高了誤碼率的可靠性。論文提出了基於時分取樣方法的光子模轉換。
  9. During the processing system development, firstly, set forth the methods, importance and two recently formulas of hydrodynamic derivatives. secondly, based on the mmg module the maneuvering motion equations are established for the ship in still and deep water. to compile and run the program, the calculation results compared with the experimental data

    本論文首先簡述了獲得水動力導的方法、重要性和兩種新的法,接著運用mmg分離型船舶運動學模型,建立了深水、靜水域的船舶操縱運動方程,並編制計程序,將試驗結果同結果相比較,獲得較為滿意的結果。
  10. In the thesis the low drag - low noise optimization of the vehicle main form design is realized, main accomplishments are as follows. researched the knowledge of drag and flow noise, the parameters of the boundary layer are calculated by the hess - smith method and boundary layer momentum integral method. the calculation of the length of transition zone and change in boundary layer displacement thickness between laminar and turbulent states in the transition is improved, then the drag coefficient and self - noise from the transition zone are calculated as the objective functions of the optimization

    主要研究內容和成果如下:對航行器繞流流場進行分析,深入研究了阻力和流噪聲產生機理,建立了阻力系和自噪聲的評模型;採用物面分佈源匯法和邊界層動量積分法對繞流流場的流體動力參進行計,改進了轉捩區長度和邊界層位移厚度的計,應用於航行器頭部駐點自噪聲的計;最後設計了阻力系和自噪聲程序模塊。
  11. Using numerical solution for inverse problem in partial differential equation, a method for initializing groundwater table on base one pumping test and recharge estimation on two pumping tests were presented. then a numerical model for groundwater table forecast was developed

    本文利用對偏微分方程逆問題的求解,給出了由一組抽水井實測水位計地下水初始水位以及由二組抽水井實測水位總補給量的方法。
  12. We study the bank ' s vault cash optimal management problem in this paper. following the existing research, our contribution is on : 1. continuing the research of the reference [ 12 ], we give the numerical methods of calculating the cash demand and the net payout, furthermore we give the method of data mining in the practical calculating

    本文研究了銀行現金備付金優化管理問題,在前人研究的基礎上,本文的貢獻主要在於: 1 、繼續了文獻12的研究,提出了計現金凈支付函、現金需求函等的方法,以及模型參計中的據挖掘方法。
  13. The paper propose the complex value u - d factorization based least square method to improve the numerical stability and the fault feature are obtained. 7

    為了提高穩定性,進一步提出了基於復u - d分解的最小二乘參計方法,獲得了變頻調速系統的故障特徵。
  14. Guide to statistical interpretation of data - techniques of estimation and tests relating to means and variances

    統計據說明指南.第4部分:均和方差與測試技術
  15. B the use of maximum notional value as a means of calculating the value or benefits was biased against civil servants and the valuation of civil service benefits in particular quarters, private tenancy allowances, and pensions were inflated

    B以最高福利,對公務員不公平,而計公務員福利尤其是宿舍自行租屋津貼及退休金的價時,更有所誇大
  16. The use of maximum notional value as a means of calculating the value or benefits was biased against civil servants and the valuation of civil service benefits in particular quarters, private tenancy allowances, and pensions were inflated

    以最高福利,對公務員不公平,而計公務員福利(尤其是宿舍、自行租屋津貼及退休金)的價時,更有所誇大; ( c )
  17. The sense of this work is to gain a further understanding of helium in the two metals. on the diffusion of helium - 3 in two spherical shell samples made of 21 - 6 - 9 type of stainless steel, during the storage of tritium at the pressure of 6. 13mpa for about 4 and 6 years at room temperature and later exposed to air for another 3 and 1 year. first, a calculation based on the analytical and numerical method to the diffusion and decay theories was developed to evaluate the concentration distribution of helium - 3 by tritium diffusion and decay in the samples

    在不銹鋼氚衰變~ 3he的擴散行為研究中,建立了氚和~ 3he濃度分佈的解析解和方法,以評充氚不銹鋼球形容器壁中氚衰變~ 3he的宏觀濃度分佈,同時還用方法以求解氚和~ 3he的多步擴散行為;對樣品表面逐層蝕刻、同時收集釋放的~ 3he進行分析,分別實測了經室溫條件下在6 . 13mpa高壓氚中貯存4年和6年、空氣中存放3年和1年的兩種21 - 6 - 9不銹鋼球殼樣品內壁中~ 3he濃度分佈;結果表明:由於he在金屬中的不可容性, he原子偏聚于不銹鋼表面以及內部的局部區域,在整體趨勢上, ~ 3he分佈與計結果相一致,根據理論計,兩種21 - 6 - 9不銹鋼球殼樣品內壁中~ 3he到達的深度分別為350 m及500 m 。
  18. A job evaluation method based on three elements : know - how, problem - solving and accountability, with fringe benefits valued at the maximum notional value to employees, was adopted

    解決問題能力和c問責性為依據的職位評法,而附帶福利則按其對員工的最高
  19. By use of the morphological coefficients of estuarine riverbed and the relevant data of the north channel of the yangtze river estuary, the widening rate of the regulation line of the north deep - water channel of the yangtze river estuary is calculated, and the calculation result is in agreement with that of the fixed bed model test

    利用已有的河口河床形態系及長江口北槽的有關據,了長江口北槽深水航道治導線的放寬率,且與定床物理模型試驗基本相符。
  20. As regards fringe benefits, they were mainly valued on the basis of the maximum notional value to employees

    至於附帶福利,則主要按其對員工的最高
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