近似估計 的英文怎麼說

中文拼音 [jìnsìgūjì]
近似估計 英文
approximate evaluation
  • 近 : Ⅰ形容詞1 （空間或時間距離短） near; close 2 （接近） approaching; approximately; close to 3 （親...
  • 估 : 估構詞成分。
  • 計 : Ⅰ動詞1 （計算） count; compute; calculate; number 2 （設想; 打算） plan; plot Ⅱ名詞1 （測量或計算...
  • 近似 : approximate; similar; approach; approximation; roughness; propinquity
  • 估計 : estimate; evaluate; take stock of; size up; calculate; appraise; reckon; estimation; forecast
  1. Error estimates of directional derivatives of approximately specified functions

    近似已知函數方向導數的誤差估計
  2. High - order decay estimates of solutions to the riemann problem of the inviscid burgers equation

    方程黎曼問題光滑近似解的高階衰減估計
  3. First, the nonlinear ls problem without constraint is converted to that subjected to inequality constraints by putting constraints on the do as of the received signals and toas of the first arrived signal with geometrically based single - bounce ( gbsb ) statistical channel model and cost - 207 model. then, a penalty function is used in the estimation of ms position

    首先，用基於幾何結構的單次反射圓模型和cost - 207模型，對期望定位用戶的各條多徑信號的波達方向和最先到達多徑信號的時間進行約束，將傳統的解無約束的非線性最小二乘定位問題或近似線性最小二乘定位問題轉化為解不等式約束的非線性最小二乘定位問題；然後，用內點罰函數法估計移動臺的位置。
  4. Based on the correct evaluation of the means and covariance of the measurement error in cartesian coordinate system, the algorithm processes the radar measurements sequentially, and the linearization of measurement equation is no longer neccessary

    作者推導了有測速數據時的去偏轉換卡爾曼濾波演算法。此演算法估計精度和計算效率比以前的方法有較大改善，對測量方程不做近似處理。
  5. Abstract : in this paper, we obtain the point estimetions and the approximate confidence interval of the environment factor of the lognormal distribution based on the censoring samples. the accuracy of the approximate confidence interval is studied by the simalation method

    文摘:本文導出了壽命分佈為對數正態分佈時基於截尾樣本環境因子的點估計和近似置信限，對所給近似置信區間作了模擬研究。
  6. The class of distributions includes the weibull, burr - type x, pareto and beta distributions. a proper general prior density function is suggested, and predictive density functions are obtained in one - and two - sample cases when the history sample is a type ii double censored sample. illustrative examples are given

    在type雙刪失數據場合下，討論了雙參數burr - type分佈參數的貝葉斯估計，在所取的損失函數分別為平方損失， linex損失，熵損失函數下得到了參數的貝葉斯估計，並且給出一種近似演算法。
  7. Recently, when a. dmitrienko ( 2000 ) [ 5 ] constructed the sequential confidence regions for maximum likelihood estimates, they put forward a new asymptotic property : bounded cost of ignorance, that is lim ( en ( d ) - n ( d ) ) <. it ' s an asymptotic property which is worthy of consideration

    最近， a . dmitrienko （ 2000 ）在構造極大似然估計的序貫置信區域時，提出了一個新的漸近性質：未知代價的有界性（ boundedcostofignorance ） ，即這是一個很值得考慮的漸近性質。
  8. Some methods of how to generate self - similar process and a few means of estimating self - similar parameter are given. self - similar traffics are generated by using of on / off model with heavy - tailed distribution and results are given. the results of experiment accord with the theory

    本文總結了前人的研究成果，給出了幾種常見產生自相似的方法和幾種估計自相似參數的方法，並對on / off模型疊加產生自相似業務進行了模擬實驗，得到了實驗結果，從實驗結果可以看出，模擬結果和理論值比較接近，這說明利用on / off模型疊加產生自相似業務是可行的。
  9. Finally, in the third section, by constructing some functional which similar to the conservation law of evolution equation and the technical estimates, we prove that in the inviscid limit the solution of generalized derivative ginzburg - landau equation ( ggl equation ) converges to the solution of derivative nonlinear schrodinger equation correspondently in one - dimension ; the existence of global smooth solution for a class of generalized derivative ginzburg - landau equation are proved in two - dimension, in some special case, we prove that the solution of ggl equation converges to the weak solution of derivative nonlinear schrodinger equation ; in general case, by using some integral identities of solution for generalized ginzburg - landau equations with inhomogeneous boundary condition and the estimates for the l ~ ( 2 ) norm on boundary of normal derivative and h ~ ( 1 ) ' norm of solution, we prove the existence of global weak solution of the inhomogeneous boundary value problem for generalized ginzburg - landau equations

    第三部分：在一維情形，我們考慮了一類帶導數項的ginzburg ? landau方程，通過構造一些類似於發展方程守恆律的泛函及巧妙的積分估計，證明了當粘性系數趨于零時， ginzburg ? landau方程的解逼近相應的帶導數項的schr （ ? ） dinger方程的解，並給出了最優收斂速度估計；在二維情形，我們證明了一類帶導數項的廣義ginzburg ? landau方程整體光滑解的存在性，以及在某種特殊情形下， gl方程的解趨近於相應的帶導數項的schr （ ? ） dinger方程的弱解；在一般情形下，我們討論了一類ginzburg ? landau方程的非齊次邊值問題，通過幾個積分恆等式，同時估計解的h ~ 1模及法向導數在邊界上的模，證明了整體弱解的存在性。
  10. In section 2. 2, by a priori estimates and fourier spectral method, we prove the existence and uniqueness of the global smooth solution for the periodic initial value problem and obtain the large time error estimate between spectral approximate solution and the exact solution. in sections 2. 3 and 2. 4, by a priori estimates and galerkin method, we prove the existence of the global smooth solution and global attrac - tors for the initial - boundary value problem. chapter 3, consider the initial - boundary value problem of the multidimen - sional non - homogeneous gbbm equations

    第二章，考慮一類一維非齊次bbm方程，在第二節中利用fourier譜方法和先驗估計證明了具有周期初值問題的整體光滑解的存在性和唯一性，給出了fourier譜近似解和精確解的長時間誤差估計；在第三、四節中討論了初邊值問題，利用與時間t無關的一致先驗估計，證明了整體光滑解和整體吸引子的存在性。
  11. With the thorough research on these and computer ability increasing quickly, people are paying more and more attention to relational numerical study. the mostly discussion is how to numerical simulate, concering error estimate in long - time, the existence of approximate attractor, well - posedness of solution and numerical solution and dimension estimate and so on, now there are much study [ 5 ], [ 15 ]. spectral method is important numerical method, but it is very hard so that research is a less

    隨著對它研究的深入和計算機能力的迅速提高，與之相關的數值研究也越來越被人們關注，這方面討論的主要是對原系統如何進行數值模擬的問題，涉及到大時間誤差估計，近似吸引子的存在性，穩定性，收斂性及其維數估計等諸多問題，目前已有很多工作。
  12. It is proposed that a new estimator of the extreme - value index when it is negative that is similar in form to the pickands estimator. its consistency and asymptotic distribution is established

    提出一類極值指數為負時的相似於pickand s型的新的極值指數估計量，並建立它的相合性及漸近分佈。
  13. From the study results it is showed that turret hole position near the forward of the midship has less effect to the ship girder strength and it is more reasonable using probabilty statistics method to estimate the extreme value of wave bending moment, by which the first approximate value of hull midship section modulus can be determined

    研究結果表明：轉塔開孔位置在舯前附近對船體總強度影響不大；波浪彎矩極值用概率統計方法估算更為合理；船體結構剖面模數的第一近似值可用波浪彎矩設計極值等來確定。
  14. An instrument that gauges the approximate distance traveled on foot by registering the number of steps taken

    計步器，步程器一種通過記錄所行步數來估測步行近似距離的儀器
  15. So, it is main problem that set up mathematic model for ship motion simulation. however, the calculating definition of maneuverability motion depends on the hydrodynamic derivatives. for this reason, the purpose of this article is : apply newly hydrodynamic derivatives formula to calculate hydrodynamic forces and offer the ship maneuverability index during the design stages

    因此，本文的研究目的是：運用最近提出的水動力導數近似估算公式，獲得較為精確的水動力計算，為船舶工程人員在船舶初始設計階段提供使用工具，使他們在設計時就能較準確地獲得實船操縱性能指標。
  16. According to the different anticipated damage degree, the network output makes an approximate estimate of the length of structure use

    根據不同的預期破壞等級，網路的輸出給出了結構使用壽命的近似估計。
  17. On the estimation of signal & bimodal noise parameters, some foreigners give out approximate estimation, which is applicable only on some condition ; we give out the precise estimation

    對于雙模噪聲與信號參量的估計，國外給出了近似估計，只在一定條件下適用：本文給出了精確估計。
  18. Except haiyuan and yanchi counties, which are 83 %, a bit lower than the theoretical probability value of 84. 13 %, the rainfall of other five counties is larger than the theoretical probability value. this indicates that, within certain rainfall range, the annual rainfall is much stable

    從實際的40年降水資料看，可近似估計該區降水量（ x ? 1s ） mm的出現頻率大於84 . 13 ，表明在一定的降水量范圍內，其年降水量又有一定的穩定性。
  19. Furthermore, based on the approximately estimation of price elasticity of demand and operation cost by the methods of econometrics, it makes a reasonable scale ticket price scheme and pricing estimation system for chongqing light rail, which also giving a new pricing method for the similar projects in china

    同時運用計量經濟學的方法對輕軌價格需求彈性系數和運營成本作了近似估計。在此基礎上，為重慶輕軌制定出一套可行合理的分段計程制票價方案和票價綜合評價體系，從而為國內同類項目的定價提出了一種新的思路和方法。
  20. Yi - ping chang. ( 2000. 8 ), “ an alternative reliability evaluation of nonhomogeneous poisson process models for software reliability ”. international journal of quality and reliability management, vol. 17, pp. 800 - 811

    張揖平、李素惠. （ 2000 . 1 ） ，一些軟體可靠度模式中最大概似估計量存在之漸近性質，工業工程學刊，第17卷，第1期，頁41 - 50 。
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