基本解释：比估计
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The paper discusses the ratio estimation with systematic PPS sampling and simulates the model with the data of the First Agricultural Census in China on the base of introduction of the ratio estimation with simple random sampling.本文在介绍简单随机抽样比估计的基础上,对PPS抽样设计的比估计进行了系统的研究,并使用了第一次农业普查数据对方法进行了模拟。
Ratio estimation which is a kind of estimation using auxiliary variable is a nonlinear estimation.比估计就是利用辅助信息的一种估计,它是非线性的估计。
In this paper, the ratio estimates in TwoStage sampling with the PPS sampling were compared and the condition that the ratio estimator is superior to PPS estimator was obtained in the paper.对二阶比估计与二阶PPS抽样方法进行了比较,给出了比估计优于PPS抽样及PPS抽样优于比估计的条件。
In this paper, the ratio estimates in cluster sampling with the PPS sampling were compared and the condition that the ratio estimator is superior to PPS estimator was obtained in the paper.对整群比估计与PPS抽样方法进行了比较 ,给出了整群比估计优于PPS抽样的条
It is proved that under specific conditions,the ratio estimator of multivariate two-phase sampling complemented with single auxiliary information is better than the simple estimator of multivariate simple random sampling.本文研究了多元二相抽样,并且在多元二相抽样中添加了一元辅助信息,定义了采用一元辅助信息的多元比估计,得到了采用一元辅助信息的多元二相抽样的比估计量及其性质。
For the ratio estimate in two-stage sampling, the bias and mean square errors(MES) of the estimater value have been obtained, and the estimater value of the MSE has been given.给出了二阶比估计量的偏差、估计量的均方误差以及均方误差的估计 。
Based on the proportion estimate and the mean estimate in sampling technology,the authors of this paper put forward the method of ratio estimator in sampling technology and makes a detailed analysis of method.在抽样技术比例估计与均值估计的基础上,提出了抽样技术的比率估计法,并对其作了详细的分析,同时,通过具体问题的讨论,说明了比率估计法所具有的优越性;针对各个样本比值有比较大的差别时所产生的不稳定性,运用聚类分析的方法提出了具体的比率估计法的改进公式,减少了噪声数据的影响,得到了较高的准确度。
We give the approximation formulas of the variance of the sample ratio estimator for a population mean and its asymptotically non-biased estimator in multi-stage sampling.讨论多阶段抽样比率估计及其样本量选择的问题 ,给出了比率估计抽样均方误差的近似公式及其渐近无偏估计的公式 。
Research of Channel Estimation and SIR Estimation in WCDMA Physical LayerWCDMA系统物理层中信道估计和信干比估计的研究
SIR Estimation Based on Exact ISCP Estimation for Power Control功率控制中基于精确ISCP估计的信干比估计
On Ratio Estimation of PPS Sameple Design andIts Simulated Analysis;PPS抽样设计的比估计及其模拟分析
Research on Estimation Model of Analogy Evaluation on Software Value Based on Market Approach基于市场法的软件价值类比估计评估模型研究
The efficiency of semi-parameter estimation compared with the LS estimation半参数估计与LS估计的有效性比较
limiting distribution of ratio estimate比率估计值的极限分布
timates in percent遗传力估计值百分比
estimation of proportions in cluster sampling整群抽样的比例估计
estimation of sample size with proportions比例抽样样本容量估计
natural analogue of the ratio estimator比率估计量的自然模拟
A Comparison of Several Aspects for Maximum Entropy Spectral Estimation and Fourier Spectral Estimation最大熵谱估计与傅立叶谱估计的几点比较
Simulation Study for Consistency of Rosenblatt and Nearest Neighbors Estimates;Rosenblatt估计与最近邻估计相合性的模拟比较
Comparative Statement of Estimates and Statistics麻醉(yào)品估计和统计比较报告
The Calculational Methods of Turnbull Estimate and Contrast with Kaplan-Meier;Turnbull估计的计算方法及其比较
The Comparative Analysis of Estimating Deviation Square of MPPS Sample Design;MPPS抽样设计方差估计的比较研究
A statement or estimate of similarities and differences.相比相似性和差别的叙述或估计
timates in stratified random sampling分层随机抽样的比率估计值
I suppose there're more sailings from Shanghai.我估计上海港的航班也比较多。
