最小二乘估值 的英文怎麼說

中文拼音 [zuìxiǎoèrchénggūzhí]
最小二乘估值 英文
least square estimate
  • 最 : 副詞（表示某種屬性超過所有同類的人或事物） most; best; worst; first; very; least; above all; -est
  • 小 : Ⅰ形容詞1 （體積、面積、數量、強度等不大） small; little; petty; minor 2 （年紀小的; 年幼的） youn...
  • 二 : Ⅰ數詞（一加一后所得） two Ⅱ形容詞（兩樣） different
  • 估 : 估構詞成分。
  • 估值 : value of assessment; appraisement
  1. In the presented method, the point estimations of the model parameters, aandb in the new model, are given by the least square method. the confidence interval for the parameter b is given as well. an engineering illustration is used to compare the result of the presented method with those of amsaa - bise model and duane model

    該模型充分考慮了增長過程中的各種可得信息，採用非參數方法得到多臺系統在各同步停止試驗時刻的可靠度，並利用最小二乘法擬合求得該模型中參數a ， b的點估計值，以及b的置信限。
  2. We make the following assumption for when 2 is positive definite matrix, different estimators about matrix of regression coefficients and inefficiency of least squares estimate have been discussed in many documents. considered 2 is nonnegative definite matrix, this thesis derives best linear unbiased estimate of parameter matrix b and estimable parameter function kbl under the meaning of matrix nonnegative definite and the property of maximum probability of blue is investigated. next, we discuss some necessary and sufficient conditions of the equality of the lse and blue, then we derive the estimation of the deviation bet - ween the least squares and the best linear unbias estimators of the mean matrix, meanwhile a relative efficiency of lse ofb is proposed and its bound is given

    當0時，眾多文獻討論了回歸系數陣的各種估計及lse的有效性，本文考慮了當0的情形，給出了回歸系數陣b及其可估參數函數kbl的在矩陣非負定意義下的最優估計（ blue ） ，研究了它的一個最大概率性質，並且討論了最小二乘估計成為最佳線性無偏估計的充分必要條件，在此基礎上給出了均值矩陣的最小二乘估計與blue的偏差估計，定義了lse相對于blue的一個相對效率，並給出了它的界。
  3. Finally, the method of estimating power customer emission level based on binary linear regression is put forward, which make it a condition that harmonic emission is steady at the point of common coupling. combined with power system thevenin equivalent and customer norton equivalent, according to the principle of least squares method, the voltage that a customer ' s harmonic current begets at the point of common coupling can be estimated in the light of the plural correlation of network parameters

    最後，提出了基於二元線性回歸的用戶諧波發射水平估計方法，該方法在假設公共聯接點諧波發射穩定的情況下，結合系統側戴維南等值與用戶側諾頓等值的電路圖，按照最小二乘法原理，利用電網各參數的復數關系推導關于系統側諧波阻抗的二元線性回歸方程，並根據諧波阻抗的估計值求取用戶諧波電流在公共聯四川大學碩士學位論文（ 2003 ）接點產生的電壓降。
  4. In this thesis, based on item response theory, a number of ways to estimate the latent trait and item parameters were introduced and their advantages and disadvantages were analyzed ; what is more, empirical logistic regression and two parameters logistic model ( 2plm ) are combined to set up a linear model by logit - mapping and a new parameter - estimation method is proposed

    新方法將經驗logistic回歸用於兩參數logistic模型的參數估計，使用logit變換建立線性模型，利用線性模型的最小二乘估計得到第j個項目的項目參數向量_ j = （ _ j ， _ j ）的兩步估計由於x _ j含有未知的討厭參數，的理論值也和有關，我們結合上式的結果對進行再估計。
  5. The half analytic formula is reasoned out, which is applied to the sensitivity analysis on design parameters. through the sensitivity analysis of design parameters in constructing phase of nanpu bridge, the main design parameters are confirmed. based on this, the real value of parameters are identified by least square method, by this token, the error of design parameters can be eliminated in the process of construction control

    為了減小鋼管混凝土拱橋施工過程中的施工控制誤差，本文推導出了用於結構設計參數敏感性分析的半解析公式，並對南浦大橋各施工階段的結構參數進行了敏感性分析，從而確定出該橋的主要設計參數，在此基礎上，利用最小二乘法對這些參數進行識別，估計出各參數的真實值，以消除施工控制中結構設計參數誤差。
  6. Then we give the necessary and sufficient condition under which the optimally weighted ls estimate is identical to thu conditional mean of the parameter given input and observation, i. e., the optimally weighted ls estimate could be optimal nonlinear estimate in the minimum variance sense

    在方差陣可逆的條件下，我們發現最優加權最小二乘估計優于線性最小方差估計，進而得到了其與最小方差估計（即條件均值估計）等價的充要條件。
  7. 2 ) systematically introduced parameter estimation of distributed sources on the base of models, including the maximum likelihood estimate, least squares estimator, dspe, dispare, etc. 3 ) studied four low complexity algorithms : one order approximation, two point sources approximation, traditional beamforming and relax of parameter estimation

    2 ）在模型基礎上系統地介紹了已有分散式目標參數估計方法，包括最大似然與最小二乘演算法， dspe和dispare演算法等。 3 ）研究了四種低復雜度演算法：一階近似演算法、兩點近似的演算法、常規波束形成演算法和relax演算法，這些演算法都是次優演算法，但計算量小，具有實用價值。
  8. Examples show that, with normal observed data, the results obtained by the three methods are satisfactory, however, if the observed data are abnormal, the estimated results by lsm is not satisfactory, while the results from the other two methods are still satisfactory

    結果表明，當觀測值中不含粗差時，採用最小二乘法、 huber估計方法、 igg估計方法率定的參數結果相差不大，採用該參數的ar模型進行實時校正，校正效果也比較接近。
  9. In the third section three different forms of heteroscedasticity are used in the random simulation and then park test, glejser test and goldfeld - quandt test are compared although the existence of heteroscedasticity does not destroy the unbiasedness of the ols estimators, the variances become larger

    異方差的存在雖然並不破壞普通最小二乘估計量的無偏性，但是估計量的方差變大了。由於估計量方差的變大，就使通常假設檢驗的值不可靠。
  10. 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

    為了提高數值計算穩定性，進一步提出了基於復u - d分解的最小二乘參數估計方法，獲得了變頻調速系統的故障特徵。
  11. The results show that the ionosphere - weighted model or the tropospheric estimation, integrated with the partly - weigthed least squares, can improve, the success rate and the reliability of ambiguity resolution ; however, if the ionospheric delay or the tropospheric delay, which is modeled on random walk process or first - order gauss - markov process, is estimated with the kalman filter, it will reduce the success rate and the reliability of ambiguity resolution

    將電離層延遲作為零均值的隨機遊走過程（電離層加權模型） ，將對流層延遲作為靜態參數，採用非遞推形式的加權最小二乘法來估計，可以提高模糊度解算的成功率和可靠性。
  12. The parameter of local model can be calculated by gradient descent in neighborhood with the sofm weight together, or estimated by least - squared estimation ( lse )

    局部模型的參數既可和映射網路權值一起在鄰域內採用梯度下降法修正，也可結合最小二乘法得到其最佳估計。
  13. The main research contents include : study the modeling and measure of tendency of customer group ' s requirements. use the method of least - squares estimation in conjoint analysis to model and measure the tendency of customer group ' s requirements and transform the fuzzy requirements of customer group into numerical attribute importance and level utility. solve the problems of estimation and optimization of regression model

    研究的主要內容包括：研究了客戶群體需求傾向的建模和量化過程：應用聯合分析法的最小二乘回歸模型建模和量化客戶群體需求傾向，將模糊的客戶群體需求傾向轉化為量化的屬性重要度和水平效應值，並解決了模型的有效性評估和優化問題。
  14. Having obtained an initial position with a least - square method, a more precise result can be worked out from information contained in the bearing measurements

    在利用最小二乘法獲得定位初值后，根據每次角度測量的信息進行目標位置估計。
  15. Then, took least squares estimator of test data as preliminary estimate, applied versatile maximum likelihood estimate method to treat test data, obtained the estimators of electrical connectors reliability characteristic values

    並以試驗數據的最小二乘估計值為初始值，應用極大似然估計方法對試驗數據進行統計處理，得出了電連接器可靠性特徵值的估計值。
  16. According to the observed results and the corresponding settlement calculation results, the objective function is established by using the least square method. with the pattern search method, the optimal estimate of the needed inverse - analysis parameter has been gained

    根據實際觀測值與相應的沉降計算值，應用最小二乘法原理建立目標函數，利用模式搜索方法（ hook - jeeves法） ，通過尋優的方式獲得待反演參數的最優估計。
  17. There are many papers ( cf [ l ] - [ 3 ] ) have studied the method and error estimate for boundary integeral equation and elliptic boundary value problems, and obtain some superconvergent results by varied post - processings such as interpolation, average and extrapolation etc. in this paper, we mainly study the galerkin solution for first - kind boundary integeral equation and elliptic boundary value preblem. further more we can obtain superconvergence results by ( l _ ( 2 ) project ion ) least - squares processing for derivative of elliptic boundary value problems

    對于邊界積分方程與橢圓邊值問題的解法及誤差估計已有很多文章（參[ 1 ] - [ 3 ] ）研究，並且通過各種后處理如插值、平均、外推等得到一系列的超收斂結果，本文則著重探討一型邊界積分方程galerkin解通過l ~ 2投影（最小二乘）運算元處理后以及橢圓邊值問題的導數進行l ~ 2投影（最小二乘法）處理后可獲得超收斂結果。
  18. Fifth, through statistical analysis of electrical connector accelerated life test data, verified that the reliability statistical model of electrical connector and the reliability statistical method under doof data are both correct. applied the maximum likelihood estimate method with the least squares estimator of test data as preliminary estimate and weighted least square estimate method separate to treat the different kind test data, obtained the estimator of electrical connector reliability characteristic values

    第五，採用極大似然估計法和加權最小二乘法對電連接器加速壽命試驗數據進行了統計分析，得到了電連接器可靠性特徵量的估計值，驗證了電連接器可靠性統計模型和doof數據下可靠性分析方法的正確性。
  19. To rt method, its depth inverse expression can be derived directly from the tb expression. but to dgf method, it is difficult. therefore according to least square method, approximate values of thickness are obtained by comparing simulated measured values and theoretic values

    對于rt方法，從其亮溫表達式即可獲得厚度的反演式；而對于dgf方法，文中根據最小二乘法對多通道輻射計的理論值與測量值進行比較，從而得到厚度的估計值。
  20. Class uses a least - squares criterion for deriving estimates of what the y intercept and slope parameters should be

    類使用最小二乘法準則推導出y軸截距（ y intercept ）和斜率（ slope ）參數的估計值。
分享友人
分享到 Line

分享到臉書