The methods of sampling estimation data and amalgamating yield estimation were introduced to estimate theory yield of zhongshuang 4 and Huaza 6 of Brassica napus L. in this paper .
采用取样测数法和合并测产法分别对中双4号、华杂6号甘篮型油菜产量进行了测定。
To improve the performance and lower the storage requirements of this routine, the estimation can be based on a subset of the data using extremely fast sampling on the page level.
为了改进性能并降低例程的存储要求，估算可使用页面级的极快速取样基于数据的一个子集。
Effect of random sampling number on state estimation is discussed.
本文对随机抽样数目对状态估计结果的影响进行了讨论。
In this paper, a new particle filter based on sequential importance sampling (SIS) is proposed for the on-line estimation problem of non-Gauss nonlinear systems.
针对非线性、非高斯系统状态的在线估计问题，本文提出一种新的基于序贯重要性抽样的粒子滤波算法。
This article reviews recent works on the effects of inspection errors involving mainly acceptance sampling and group screening with brief mention of related estimation and grading.
本文介绍了最近的关于检查错误影响的工作，重点是接受抽样和群筛选，也简介了有关的估计和分等问题。
In the material test, the application of estimation of difference in variable sampling was explained by examples.
在实质性测试中通过举例说明了变量抽样差异估计的应用。
The problem of parameter estimation and array calibration with sub-Nyquist sampling is studied in this doctoral dissertation.
论文主要研究时间（频率）、空间欠采样条件下的参数估计与阵列校正方法。
This article summarizes the accuracy and coverage evaluation survey (A. C. E. survey) of the American census 2000. It includes sampling design, post-stratification, dual-system estimation and so on.
本文概要地叙述了美国2000年人口普查后所进行的准确性和数字评估调查（A.C.E。调查）。它包括：抽样设计、事后分层、双系统估计等等。
Frequency tracking means that sampling intervals of following sampling is updated according to new frequency estimation, so synchronous sampling error will be reduce step by step.
频率跟踪就是依据前一次频率估计修改下一次采样的采样间隔，从而使同步偏差越来越小。
This sampling technique shows the organic combination of the delaminated sampling and the intercrossing sampling, which is in favor of raising the estimation efficiency of the sampling survey.
该项抽样技术体现了分层抽样与交叉抽样的有机结合，有利于提高抽样调查的估计效率。
An intelligent sampling technique coupled with the steepest descent method is implemented for on-line estimation of the process, which can be approximated by a second-order model with time delay.
对于可以用延时二阶模型来拟合的过程，使用一种智能采样技术，结合阶跃下降法，实现了对实时过程的在线模拟。
This paper deals with the estimation of population mean in systematic sampling by use of auxiliary information in order to improve the accuracy of the estimate.
讨论了等距抽样中，如何利用辅助信息改进总体平均值的估计，以达到提高估计精度之目的。
Second, the local moment estimation may give the more ideal interval estimation to the parameter under small sampling condition.
在小样本的情况下，局部矩估计可以给出参数较理想的区间估计。
The method consists of real-time estimation of signal frequency, synchronous tracking of sampling frequency and error correction of harmonic coefficients.
该方法包括信号频率实时估计、采样频率同步跟踪和谐波系数误差校正几个要素。
Several sampling methods leading to the estimation of mean value and the setting of tolerance interval of the sensitivity coefficients of a lot of strain gages are introduced.
作者介绍了利用抽样检验标定一批电阻丝片的灵敏系数的平均值及其误差范围的几种统计方法。
Calibration estimation which USES known auxiliary information at the estimation stage to improve the precision of the estimators of totals and means has been widely used in survey sampling.
校正估计法已被大量运用于抽样调查中，它利用辅助信息构造的校正权重提高了对总体总值(或均值)的估计精度。
We describe the synchronization technique in several keys including symbol timing, carrier frequency offset estimation and sampling clock offset estimation.
符号定时同步技术，载波频率同步技术和采样钟同步技术等几个方面。
This paper systematlly deals with the applied theory and method of angle measuring in volume growing estimation in permanent point sampling.
本文系统研究了水平角规在固定样点监测材积生长动态中的理论与方法；
This paper deals with the incomplete sample estimation of finite population mean in existing of nonrespondent sampling units.
本文讨论了存在不回答样本单位时，有限总体均值的缺损样本估计。
The results show that the precision of harmonic parameters estimation can be greatly improved by 4-order convolution window under the condition of less sampling synchronous deviation.
理论分析和数值结果均表明：在电力系统的频偏条件下，使用四阶卷积窗可显著提高谐波参量测量精度。
An estimation procedure is also defined, providing a means of estimating availability performance using sampling techniques.
同时还定义了使用抽样技术评估可用性性能方法的评估程序。
To resolve the problem of time-delay estimation for sub-sampling sinusoidal signals, a new method composed of multi-period sampling and multi-layer correlation is proposed.
针对正弦信号时差估计的多解模糊问题，提出采用多周期取点欠采样和多重相关方法来解决。
Based on an auxiliary time-delay channel and ESPRIT approach, a new algorithm for wide band frequency estimation with sub-Nyquist sampling was proposed.
为了克服现有的欠采样频率估计方法存在的算法复杂、工程实现困难等问题，本文提出了一种基于虚拟仪器的三采样率切换的频率估计方法。
Another strength is the use of stereologically correct sampling and sectioning procedures, which allows estimation of the total number of cardiac myocytes in each individual LV.
使用立体学方法校正样本和切片操作以评估每个左心室心肌细胞的总数量。
Another strength is the use of stereologically correct sampling and sectioning procedures, which allows estimation of the total number of cardiac myocytes in each individual LV.
使用立体学方法校正样本和切片操作以评估每个左心室心肌细胞的总数量。
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