parameter estimates 中文意思是什麼
parameter estimates
解釋
參數估計-
Its biquadratic finite element approximation is considered and under the appropriately graded meshes, quasi - optimal order error estimates in the - weighted h ^ 1 - norm, up to a logarithmic factor in the singular perturbation parameter, are proved
然後，考慮此方程在分層網格剖分上的雙二次有限元逼近，在-加權h ^ 1 -模意義下得到了至多相差一個關于攝動參數對數因子的擬最優階收斂的誤差估計。 -
This thesis is to recommend a important class of regularized strategies for solving inverse problems - mollifier method. it anaysises the consistency, numerical stability and error estimates of mollified solution. similar to tikhonov regularization, a discrepancy principle for selecting the mol - lifier parameter is proven and applications to numerical differentiation and numerical inversion of abel transform and also given
本文將介紹求解反問題的一類重要的正則化策略?緩鎮法，並基於用gauss核構造的緩鎮運算元，分析了緩鎮解的相容性、數值穩定性和誤差估計，與tikhonov正則化類似，我們證明了決定緩鎮參數的偏差原理。 -
For a general linear model ( input matrix is deterministic ), under a certain conditions on variance matrix invertibility, the two estimates can be identical provided that they have the same priori information on the parameter under estimation. even if the above information is unknown only for the optimally weighted ls estimate, the sufficient condition and necessary condition, under which the two estimates are identical, is derived. more significantly, we know how to design input of the linear system to make the performance of the optimally weighted ls estimation identical to that of the linear minimum variance estimation in case of being lack of prior information
在一般線性模型（即輸入矩陣為確定性）下，當兩種估計都利用有關被估參數的先驗信息時，二者在方差陣可逆的一定條件下可達到一致；當最優加權最小二乘估計不利用此先驗信息時，存在二者一致的充分條件和必要條件，進而找到一種設計輸入矩陣的方法，使得在先驗信息缺乏的條件下，仍可利用最優加權最小二乘估計達到與線性最小方差估計一樣優越的估計性能。 -
Then, with the concept of accumulated failure probability, the proposed approach combines the least ? quares method with bayes " theorem, takes advantage of the parameter estimation for single weibull distribution to each derived subgroup data set, and estimates the parameters of each subpopulation. the estimates given by this paper also satisfy the maximum likelihood equation. the mean time to failure and the reliability estimation of the mixed population are given
然後通過利用累積失效概率等概念，對每個導出的子組數據集聯合運用最小二乘法、貝葉斯定理和對單一威布爾分佈的參數估計法，從而得到每個子總體的滿足極大似然原理的參數估計，給出了該混合總體平均壽命和可靠度的估計。 -
Then the paper estimates the parameter of the model with different techniques such as econometrics and emulates the seaborne volume system of china petroleum exports and imports in 2010 with vensim
然後應用經濟計量學等多種方法對模型參數進行估計，並運用vensim模擬語言對2010年中國石油進出口海運量系統進行模擬模擬。 -
The error estimates for the double set parameter elements
雙參數元的誤差估計 -
Idea : we cannot measure the closeness of the estimates with the population parameter directly, but it is possible to use data from a random sample to construct a set of values that contains the true value with a certain specified probability
我們無法直接衡量估計值和總體參數之間的距離，但是利用來自隨機樣本的數據構造一個取值的集合，使得真值在給定概率下屬于這個集合是可能的。 -
Secondly, the above priori estimates and the banach - saks theorem provide the existence of h1 weak solution for the auxiliary problems without small parameter e
因此，不難得到輔助問題分別在每個區域上的全局h ~ 1估計。 -
The well - posedness and regularity problems of such equations will be dealed with elliptic regularization method. firstly, we construct a family of auxiliary problems with a small parameter e and a large parameter a. the energy estimates will be derivied after some lengthy calculation
具體說，在兩區域閉曲線交界附近作輔助問題的解的h ~ 1局部估計，而在每個區域內部的估計可由標準橢圓型方程h ~ 2內估計直接得到。 -
Lastly, we will carry out an iteration method, with the help of the interior regularity theorem of elliptic equation, to obtain high order regularity and the corresponding estimates for solutions of the auxiliary problems without small parameter e
然後，重復與周期區域情形相同的方法和論證，可以分別在每個區域上得到其弱解的高階正則性以及高階模估計 -
Abstract : under the matrix loss function, the necessary and sufficient conditions of linear admissible estimates of nonestimatible parameter functions for a general linear model are obtained
文摘:一般線性模型可估函數的可容許估計問題已有詳細的討論。對一般線性模型在矩陣損失下，得到了不可估函數的線性估計為可容許估計的充要條件。 -
Then by using the inverse autocorrelation function we get another means of moments parameter estimates on the ma part of arma ( p, q ), cleveland - parzen estimates
從而通過逆自相關函數得到了arma （ p ， q ）過程ma部分的參數的另一種矩估計方法， cleveland - parzen估計。 -
This paper looks soil as homogeneous stationary random fields, expatiates the application of the random process in the geotechnical engineering and establishes the basic concept, its assortment and digital feature of random process and random fields, tests whether this random fields is a stationary process and whether it is ergodic, applies correlation function theory and variable function theory in the study of the random fields of soil parameter, acquires the relation of the two theories and draws the conclusion that they are equal essentially, fits the measured curve by using the correlation function method, variable function method and other methods, and acquires the value of correlation distance, applies the random fields theory of soil parameter in actual engineering, estimates the value of elevation and other soil parameters of 92 holes in baoding city and the results are satisfying
將相關函數理論和變異函數理論分別應用於巖土參數隨機場的研究中，通過運用這兩種理論對巖土參數特性的描述，得出這兩種理論的內在聯系及其本質一致性的結論。分別運用相關函數法、變異函數法及其它求解相關距離的方法對實測函數曲線的擬合，得出描述空間相關程度的度量? ?相關距離（或變程） ，對用這幾種不同方法得出的相關距離（或變程）值進行了比較，並對這幾種方法的優劣和實用性做了評比。將巖土參數隨機場理論運用於工程實際，對保定市區某場地的92個鉆孔的各層位的層底標高及其它幾種常見的巖土參數做出了估計，預測結果比較令人滿意。 -
" utilization of multi - attribute transformation in predicting well logging parameter " has transcended many traditional methods of reservoir research in many aspects, and possessing many outstanding technology superiority, which are showed below : ( 1 ) it takes new technology thought - " date - driven law " as the guidance, and inherits and synthesizes forefathers successful technology formed in many years. ( 2 ) ' it directly calculates the well logging parameter by way of the multiple attribute transformation, rather than by way of the sound impedance, like the porosity, while the way before is to make further estimates of the sound impedance from the seismic inversion result so that the result suffers the influence of many factors. ( 3 ) the usefulness of the seismic attribute is drawn from the seismic data, rather than the traditional poststack seismic data after nonlinear a transformation
「 ；利用多屬性變換預測測井參數」在很多方面超出了傳統意義上的儲層研究方法，具有突出的技術優勢，表現在： （ 1 ）它以新的技術思想? ? 「數據驅動法」為指導，繼承並綜合利用了前人多年來形成的成功技術： （ 2 ）它是直接通過多屬性變換預測測井參數，而不是通過聲波阻抗，如空隙度，以往的做法是從地震反演結果中的聲波阻抗做進一步的模擬估算，其結果受到諸多因素的影響； （ 3 ）所用到地震屬性是從地震數據中提取的，而不是傳統的迭后地震數據本身。 -
Several methods of curve-fitting data yield consistent estimates of parameter values.
幾種曲線似合數據的方法均能得到參數值的一致性估計。 -
In chapter 3, we discuss the problem of doa estimation in the presence of spatially nonstationary noise fields. an estimate of the colored noise covariance matrix is firstly given. the received data for parameter estimation is then prewhitened using the estimated noise covariance, hence, overcoming the highly biased estimates. finally, adaptive beamforming with the modified weight is also performed. computer simulations show that the proposed method can completely remedy beam distortion. 3
在第三章討論了一種在環境噪聲為白噪聲而陣元噪聲為空間非平穩情況下的doa估計問題，給出了一種有效的估計陣元噪聲功率的方法，進而利用估計的噪聲協方差矩陣進行預處理而實現色噪聲環境下的doa估計，理論分析和模擬結果均表明了本章提出的方法的有效性。 -
However, two - stage estimates of regression coefficients corresponding to these two estimates have approximate equal mean square error. for testing linear hypothesis about regression coefficients, banerjee and magnus ( 1997 ) studied the sensitivity of f - test sta, tistic ( fgls ( ) ) based on generalized least square estimate caused by variance parameter in general case and proposed sensitivity statistic and its distribution
關于回歸系數的線性假設檢驗問題， banerjee和magnus （ 1997 ）在一般情況下從理論上研究了方差參數對基於廣義最小二乘估計的f -檢驗統計量（ f _ （ gls ） （ ） ）的種種影響，提出了敏感性的概念，並給出敏感統計量的形式及其分佈。 -
The parameter estimates of fuzzy linear regression model
模糊線性回歸模型的參數估計 -
Kinetic model parameter estimates of liver fdg metabolism
代謝模型的參數估計
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