参数估计

The determinations of the absolute magnitude and the kinematicparameters of RR Lyrae stars, their effects on the estimations of thedistances and the ages of the globular clusters, and the comparisonsbetween the results and ones from other indicators of distances arereviewed.

对天琴RR型变星绝对星等与运动学参数的测定及其对确定距离、球状星团年龄估计的影响，并对它们和其他距离指示器求得的结果的比较作了评述。

The new algorithm is based on nonlinear dense estimation and applies the affine model.

新算法是基于非线性密度进行估计的，采用了六参数的仿射模型。

The author also presents the ridge estimate of the parameters by alternating projection when the designing matrix is multicollinearity.

同时还给出了当设计矩阵为复共线时，评估模型基于交互投影迭代算法的参数岭估计算法。

In the scheme, PSF parameter and the high-resolution image are estimated by alternating minimization method.

实验结果表明，该算法能够比较准确地估计出PSF参数并取得较好的图像重建效果。

The effect of particle size parameter on anisotropy property of scattering is discussed and the range of DISORT is estimated.

讨论了粒子尺寸参数对散射的各向异性的影响，估计了DISORT的适用范围。

Because of appearing empty aggregates in the time zone (the time zone do not include the information), we only establish the indeterminate grey differential equation according to the approximate condition of the differential equation.

利用灰色微分方程中的最小二乘估计参数：进而得到灰色神经网络初始的权值及阈值，这样使初始的权值和阈值更接近准确值，克服了以往BP网络中初始权值的随机性和不确定性，减少了网络的训练次数，提高了网络收敛速度和输出的精度，为避免网络训练陷入局部极小值也起到了重要的作用。

Based on the repetitive characteristic of the transmitted signal, a frequency domain signal model is developed. Its similarity to DOA estimation using an array and its ambiguity in parameter estimation are analyzed.

基于发射信号的周期重复性，建立了接收信号的频域模型，分析了该模型与利用阵列进行来波方向估计模型的相似性，以及该模型在参数估值时的模糊性。

The author discusses the MLE method of the evaluation model and its convergence and asymptotic property.

3重点讨论了评估模型参数的极大似然估计方法，以及MLE的收敛性和渐近性。

Baillie and Bollerslev (2000) also show that the magnitude and sigh of the estimated slop coefficient in the forward premium regression appears to be slowly time-varying.

另外，Baillie and Bollerslev (2000)证实远期溢酬回归式的估计参数斜率大小与正负号有随时间缓慢变化的现象。

In this paper we generalize Bernstein inequality of t he sequence of independent random variables to the martingale difference s, then we give an application of this inequality.

本文将独立随机变量序列的Bernstein型不等式推广到鞅差序列情形，给出该不等式的一个应用，并在一定条件下证明了非参数回归中函数估计的强相合性。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新