moment estimation 中文意思是什麼

moment estimation 解釋
動差估計法
  • moment : n 1 一轉眼功夫 片刻 瞬息 剎那;時刻。2 時機 機會;場合;危機;當前。3 重要 緊要;【哲學】要素 契...
  • estimation : n. 1. 估計,評價。2. 預算,預算額;概算。3. 尊重,尊敬。4. 意見,判斷。5. 【化學】估定;測定。
  1. Moment estimation of the threeparameter weibull distribution under censored samples

    場合下定數截尾矩估計
  2. Moment estimation of the progressive stress accelerated life testing under exponential distribution censored samples

    指數分佈場合下序時應力加速壽命試驗的矩估計
  3. Moment estimation of the accelerated life testing - circular - progressive - stress weibull distribution under censored samples

    分佈場合下循環序進應力加速壽命試驗的矩估計
  4. He sank every moment in her estimation by the strong comparison

    在明顯的對比下,她對杜洛埃的評價越來越低。
  5. In the second chapter, basic theory about the mathematical statistics and the structural reliability in this paper. such as parameter estimation types of statistics distribution tests of distribution hypothesis methods of linear - second order moment, ect

    數理統計學原理主要包括:參數估計、統計分佈類型、分佈擬合檢驗;工程結構可靠度理論主要介紹了一次二階矩方法。
  6. Result shows, the uncertainty of parameter leads to negative ( positive ) investment horizon effects when investor ' s risk aversion is more ( less ) than that of logarithmic utility ; the effects of parametric uncertainty will weaken when investor uses more past data in his estimation, or when his risk aversion increases ; the effect of the first order moment ' s uncertainty is stronger than that of the second order moment ' s uncertainty

    研究表明,當投資者的風險規避程度大於(小於)對數效用時,參數不確定性將導致負(正)的投資期效應;當投資者在估計過程中運用較多的歷史數據、或者風險規避程度增加時,參數不確定性的影響將減弱;收益一階矩的不確定性影響較其二階矩強。
  7. Application of rosenblueth moment estimation method into probabilistic analysis of slope stability

    方法在斜坡穩定性概率評價中的應用
  8. At this moment, both the direct signal and the reflected one impinge into the array, and make the amplitude and phase of the echo change, which cannot be separated from the direct one, thus cause server errors of elevation ’ s estimation, even the failure of tracking

    此時直達信號與反射信號同時進入天線,造成回波幅度與相位的變化,並且這種變化不能從直達信號中分離出來,從而造成目標仰角估計的嚴重誤差,甚至引起跟蹤的失效。
  9. It shows that when walk - off and diffraction effects could be ignored approximately estimation of the phase distribution of second - harmonic wave could be done. the far field divergent angle and second moment radius of harmonic wave will vary with the aberration of fundamental wave, but the far field divergent angle will be obviously smaller than that of fundamental wave. the phase distribution of both fundamental and harmonic wave is measured using hartmann - shack wave front sensor in the experiment with 1064nm and 790nm lasers, respectively

    這說明利用非線性光學頻率變換方法拓寬波前傳感器件的響應波段是很難實現的,但是,通常三波相互作用過程的研究均是建立在平面波和理想高斯光束之上,因此我們對于位相畸變倍頻過程的研究是非線性光學領域一個重要而有意義的新課題,它有助於人們更加深入理解非線性光學效應,為進一步合理利用之奠定了理論和實驗的基礎。
  10. Study on l - moment estimation method with consideration of historical floods for log - normal distribution

    可考慮歷史洪水對數正態分佈線性矩法的研究
  11. 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。
  12. And then, adopting the same model, cyclic moment estimation statistic of different orders are constructed respectively, large sample variance expressions of the estimator through theoretic analysis are derived, as well as the constraint relation of estimator performance and noise statistical characteristic. the curve of estimation performance is obtained through monte carlo simulation test, which proves the related conclusion derived

    然後,論文同樣以加性和乘性噪聲聯合干擾下的復諧波信號和復線性調頻信號為觀測模型,分別構造了基於不同階次的循環矩估計量,從理論上推導出了估計量的大樣本方差表達式,分析了估計量性能與噪聲統計特性的約束關系,通過monte - carlo模擬試驗得到了估計性能的曲線,驗證了推導的有關結論。
  13. The main results are listed as follows : ( l ) we present the inverse moment estimations and approximate maximum likelihood estimations of parameters, and then we examine the accuracy of the amle, mle and interval estimations. moreover we derive the method to get interval estimation of the shape parameter

    主要結果如下: ( 1 )給出了參數的近似極大似然估計( amle )和逆矩估計,比較了amle 、 mle和逆矩估計的精度,另外給出了求形狀參數區間估計的方法。
  14. Abstract : geometric moment, the simplest moment function whose characteristics are invariant with respect to image plant transformations, finds many applications to object identification, object pose estimation ( image processing, image recognition and computer vision )

    文摘:幾何矩是一種最簡單的矩函數,當圖像在平面上變動時它具有不變的特性.在目標識別、目標姿態的計算和其它領域(如圖像處理、圖像識別和計算機視覺等)有廣泛的應用
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