條件均值估計 的英文怎麼說
中文拼音 [tiáojiànjūnzhígūjì]
條件均值估計
英文
conditional mean estimate- 條 : Ⅰ名詞1 (細長的樹枝) twig 2 (條子) slip; strip 3 (分項目的) item; article 4 (層次; 秩序; 條...
- 件 : Ⅰ量詞(用於個體事物) piece; article; item Ⅱ名詞1. (指可以一一計算的事物) 2. (文件) letter; correspondence; paper; document
- 均 : Ⅰ形容詞(均勻) equal; even Ⅱ副詞(都; 全) without exception; all
- 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...
- 條件 : 1. (客觀的因素) condition; term; factor 2. (提出的要求) requirement; prerequisite; qualification
- 均值 : [數學] mean value
- 估計 : estimate; evaluate; take stock of; size up; calculate; appraise; reckon; estimation; forecast
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Digital simulation shows that the improved algorithm ' s estimate mean and relative estimate er - ror are better than those of the original unimproved algorithm, so the improved algorithm can be widely used in storage reliability research
數字模擬結果顯示,改進演算法的估計均值和相對估計誤差明顯優于改進前的條件中位數演算法,可廣泛地應用於電子產品的貯存可靠性研究。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。A large manufacturer of windshield wiper blades needs to estimate the mean life users of the blades can expect under typical driving conditions.
一個大型擋風玻璃雨刷廠的經理,需要估計一下在一般駕駛條件下雨刷平均使用壽命的期望值有多大。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。A. p. verbyla and w. n. venables ( 1988 ) extended the ordinary growth curve model into the extension of growth curve model and obtained an estimate of the unknown parameter matrix under the conditions that the matrix of observations follow multivariate normal distribution, where every design matrix has full column rank [ 7 ]
A . p . verbyla和w . n . venables ( 1988 )將gc模型進行了推廣,得到了推廣增長曲線模型( theextensionofgrowthcurvemodel簡稱egc模型) ,並在觀察矩陣服從正態分佈,各設計矩陣均為列滿秩的條件下,給出了參數矩陣估計值的一種演算法。For the general multivariate linear model, in this paper, the necessary and sufficient condition for admissibility of the linear estimator for sx in the class of linear estimator under different criteria is gained
摘要對於一般未知方差多元線性模型,討論了共同均值矩陣參數的可估函數sx的線性估計在線性估計類中的可容許性問題,證明了在本文所給的不同優良準則下可容許性是等價的,並得到了它們的充要條件。In order to reduce the adverse influence of nlos error to location performance, this algorithm firstly makes initial mobile position estimation by mean tdoa / toa measurements, then estimates nlos error within tdoa / toa measurements by parameters of tip 1 channel model, smoothes and reconstructs tdoa / toa measurements, and finally utilizes two step wls computation. the application of this algorithm under different cellular environments is also discussed and its effectiveness is demonstrated by simulation results. finally, the basic location method, location method implementation, network architecture, signaling protocol and interface, and location procedures of wcdma network mobile location are analyzed
百臼主回大學槽士扭允生攀幢伍丈第v頁接著,通過對tdo咖a測量值誤差的分析,本文提出了一種首先利用tdo咖a平均測量值對移動臺位置進行初始估計,並利用tipi通道模型參數估計出thoafl 』 oa測量值中nlos誤差的大小,然後對tdo … a測量值進行平滑與重構,再採用兩次wls計算,以降低nlos誤差對定位性能不利影響的的定位精度提高演算法,討論了這種演算法在蜂窩網路不同環境條件下的具體實施方法,通過詳細模擬驗證了這種演算法的有效性。It comes up with a new notion, d - solution, which is applied to the distance estimation, by virtue of hilbert space ; furthermore, the dissertation has gained a necessary condition which is identity of minimum mean - square value in linear function classes, so that d - solution extends minimum mean - square value within the domain of nonlinear function equation or equation system ; and, the dissertation studies in detail the classical moment estimation and maximal likelihood estimation on the parameters of ar ( p ), a series of theorems in the estimation section shows the moment estimators are consistent on the ground of large samples jikewise, those distribution functions of the estimated parameters accord to maximum likelihood estimation converge gauss distribution if the white noise is gaussan
首先,藉助hilbert空間理論,提出了距離估計的d -解,給出了d -解的必要條件,這個條件在線性函數類里即是極小二乘估計法, d -解的必要條件滿足的方程實質上將極小二乘估計法推廣到多函數及非線性函數類。再而,詳細地研究了多元弱平穩序列自回歸模型ar ( p )的參數經典的矩的替代估計和極大似然估計,獲得矩的替代估計的一致性的結果。對基於gauss白噪聲假設多元弱平穩序列自回歸模型的均值、白噪聲的協方差陣的極大似然估計都有依分佈收斂到多元正態分佈的統計性質。分享友人