介绍样本选择模型及其估计方法。
To introduce sample selection model and its estimation method.
估计方法虽有影响，但属次要的。
同时，给出该模型中参数的估计方法。
Meantime, this article gives some estimation methods for the parameters in the model.
随机模拟表明，上述估计方法是可行的。
每个团队都可以应用最适合它们那部分工作的估计方法。
Each team can apply whatever estimation method most appropriate to their part of the work.
本研究对建立的模型给出了一种参数估计方法。
This study provides one method of parameter estimate of the model.
参数估计：基本上，这是按比例扩缩的估计方法。
Parametric Estimating: basically this is scaling an estimate.
解码装置，分布估计方法，解码方法及其程序。
Decoding device, distribution estimation method, decoding method and programs thereof.
方法结合分布假设和稳健统计给出了参数估计方法。
Methods This parameter estimation method is introduced by being combined with distribution hypothesis and robust statistics.
在此基础上，改进了基于扩频序列的信道估计方法。
Then an improved proposal for the channel estimation using spread sequence was imposed.
提出了一种基于逆变器开关占空比的定子磁链估计方法。
This paper presents a stator flux estimation method based on the duty cycles of inverter switching.
提出了一种简单有效的信道rms时延扩展的估计方法。
A simple but effective RMS delay spread estimation method is also presented.
第二种方法是基于虚拟子载波的子空间盲信道估计方法。
The second method is based on the virtual sub-carrier subspace blind channel estimation method.
该时间延时估计方法可用于声纳及雷达系统的目标定位。
This multipath time delay estimation approach based on adaptive parameters approach can be used to location targets in sonar and radar system.
该时间延时估计方法可用于声纳及雷达系统的目标定位。
This time delay estimation approach based on adaptive parameters approach can be used to location targets in sonar and radar system.
研究瞬时频率的估计方法具有重要的理论意义和实用价值。
So the research about its methods to estimate will be valuable in theory and practice.
提出了一种将正交滤波和非线性扩散相结合的取向估计方法。
This paper presents a method for orientation estimation which combines the quadrature filtering with nonlinear diffusion.
目的介绍并分析适用于一类医学动态监测数据的稳健参数估计方法。
Objective A robust parameter estimation method applied to a class of medical dynamic monitoring data is introduced and analyzed in this paper.
与以前的频率估计方法相比，它有许多优点，是一种有效的新方法。
It has advantages over previous frequency estimating methods, and is a new kind of efficient method.
动态温度估计方法是解决铝电解过程温度在线检测的有效途径之一。
Dynamic temperature estimation is one of the effective method of on-line temperature detection for aluminium electrolysis process.
介绍了测量正弦信号的频域方法——传统谱估计方法及现代谱估计方法。
The frequency methods of measuring sine signal are introduced, which are traditional spectrum estimation and modern spectrum estimation.
使用间接估计方法计算作为2006年家庭调查对象的婴儿和5岁以下幼儿的死亡率。
Indirect methods of estimation were used to calculate infant and under-five mortality from a household survey conducted in 2006.
论述了带反馈分布式信息融合系统中传感器观测维数不同时的状态估计方法。
The method of state estimation is discussed, when radars have different observation dimension in one distributed data fusion system with feedback.
目的探求科学合理的医疗服务需求估计方法，以便科学地制订区域卫生规划。
Objective to seek a rational method of estimating the demands for medical services so as to work out regional health planning in a scientific way.
针对传统参数估计方法的缺陷，提出了增强的自适应边缘检测参数估计方法。
Aimed at their defects in parameter estimation, an enhanced auto adaptive edge detection method for parameter estimating is presented firstly.
本文在重点论述几种常用背景估计方法的基础上，提出了形态滤波的优化改进算法。
On the basis of summarizing several current estimation means, a novel morphological filtering algorithm improved properly is proposed in this paper.
基于最小分辨对比度准则，研究了天空背景下红外点目标的最大探测距离估计方法。
This paper investigates the approach to estimate the maximum detection range of an infrared point_target against sky background based on the minimum resolved contrast(MRC)criteria.
由于在估计方法中无需假定误差方差，因此，所构造的估计方法更符合实际应用情况。
Since there is no need to suppose the variance of error, the estimation method which we established is more efficient in application.
由于在估计方法中无需假定误差方差，因此，所构造的估计方法更符合实际应用情况。
Since there is no need to suppose the variance of error, the estimation method which we established is more efficient in application.
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