Some improvements for the mean square errors of the ratio estimator are presented.
改进了比率估计的均方误差 ,给出了偏差的价为 1/n3 的比率估计量均方误差及其估
In dealing with this, the author provides with two estimates: namely, raking ratio estimate, and broad raking ratio estimat
针对这一情况,给出两种估计量即搜索比率估计量和广义搜索比率估计量。
In this paper,the authors give the mean precision of the ratio-type estimator for the population mean in the two-stage sampling,whose major term for large sample size is not worse than the mean precision of the unbiased estimator.
本文给出了两阶抽样中总体均值的比率型估计量的平均精度，它当样本容量充分大时主项不劣于无偏估计量的平均精度。
In this paper, the expressions of bias B(■_s) and mean square errors of MSE(■_s) of the separate ratio estimator ■_s under stratified sampling are proposed.
本文主要研究了分层随机抽样中R的分别比估计量■_s的偏倚和均方误差的表达式,证明了估计量■_s的可用性,并给出了均方误差的估计量及其偏倚。
natural analogue of the ratio estimator
比率估计量的自然模拟
limiting distribution of ratio estimate
比率估计值的极限分布
estimation of sample size with proportions
比例抽样样本容量估计
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
timates in stratified random sampling
分层随机抽样的比率估计值
Estimation of Optimal Hedging Ratios Based on Co-integration Method;
基于协整的最优套期保值比率的估计
A Comparison of the Estimation of the Term Structure of Interest Rates of Stock Exchange;
交易所利率期限结构估计模型的比较
Research on Bias and Variance of Radio Estimation in Sample Survey;
关于比率估计除偏及方差问题的探讨
Eigenvalue Ratios for Sturm-Liouville Problem When Potential Function is Negtive
负势情形下SL问题特征值的比率估计
This is often quoted above of 67% probability.
一般估计其概率数量为67％。
Normal Vectors and Curvatures Estimation on Triangular Mesh;
离散三角网格上的法向量和曲率估计
Instantaneous frequency rate estimation of multicomponent two-dimensional chirp signals
多分量二维线性调频信号瞬时频率变化率估计
A New DFT Domain Cumulants-Based Algorithm for the Joint-Estimation of Frequency and DOA of Spatial Signal
一种小运算量累积量域频率和到达角估计算法
Different estimates about some statistical capacities construct a new estimating methodby means of weighted average,which can increase the gradual efficiency of the estimate capac-ity.
将一些统计量的不同估计利用加权平均构造一个新的估计法,能提高估计量的渐近效率。
Estimates for the losses in the earthquake range as high as $2 billion; Interest rates run from 5 to 10 percent; The instruments ranged from tuba to cymbals; My students range from very bright to dull.
估计这次地震的损失达到$20亿；兴趣比率由5%。
Evaluation of Optimal Hedging Ratios of CSI300 Index Futures;
沪深300指数期货最优套期保值比率的估计
High accuracy complex sinusoid frequency estimator in low SNR environment
低信噪比下的高精度复正弦频率估计算法
Analysis and Selection of Several Power Spectrum Estimation Functions in MATLAB
MATLAB中几种功率谱估计函数的比较分析与选择