Longitudinal data is typical related data, and it is desirable to choose correct data variance structure since the correct structure affects the efficiency of estimation.
纵向数据为典型的相关数据，数据方差结构选择的正确与否直接影响估计的效率。
Well-constructed use cases provide value to testing efforts in terms of coverage efficiency, ease of traceability, and accuracy in estimation.
构建良好的用例能够以有效率的，易于跟踪的，以及评估准确性的方式为测试任务提供价值。
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。
This investigation was designed to approach a novel estimation method of glottal vocal efficiency(GVE) based on conversion function of voice source.
在澄清嗓音源概念的基础上提出了一种以嗓音源变换函数为基础的声门发声效率估计方法。
Simulation results and real measuring data calculations show that the precision estimation efficiency can be obtained by our method for a large class of linear and nonlinear regression models.
仿真和实算结果表明，对于一大类线性和非线性回归模型，该方法给出的回归模型的参数估计效率的估计更接近模型参数估计效率的真值。
Motion estimation is a very important part in the inter prediction technical of video coding, and the performance of a video coder largely depends on the efficiency and precision of motion estimation.
运动估算是视频信号的帧间预测编码中的一个重要环节，其效率和精度直接影响到编码器的性能。
A modified droplets trajectories analysis model is established for the efficiency estimation of liquid liquid hydrocyclones based on the single vortex field theory.
在单涡流场理论基础上建立了一种改进的油粒轨迹模型，用以预测油水旋流器粒级分离效率。
For the control of heating furnace thermal efficiency, the key problem is to find the online reliable and effective estimation of thermal efficiency.
对于加热炉热效率的控制，其关键问题在于寻找到一种有效可靠的热效率在线软测量方法。
By combining it with the rank one phase estimation algorithm, improvement of both accuracy and efficiency can be obtained by overcoming the weakness that ROPE is sensitive to initial value.
通过将其与秩一相位估计法联合使用，克服了秩一法对初始值敏感的缺点，提高了补偿算法的精度和效率。
The efficiency of software reliability testing and the accuracy of reliability estimation are improved by the research of software reliability measurement.
研究并利用软件可靠性度量方法，提高了软件可靠性测试效率和可靠性评估准确性。
Orientation field estimation is an essential preprocessing step and it is crucial for the efficiency of the fingerprint recognition algorithm.
指纹方向场的估计是指纹识别预处理算法中的重要环节，对算法识别效率起到关键作用。
When applying these two techniques synthetically, it shows that the efficiency of the global motion estimation can be largely improved.
这两种技术的综合应用使得整个运动预测效率有较大改善。
Permanent flux based on dynamic estimation can offer real-time accurate rotor flux information, which can obviously improve the control performance and efficiency of PMSM.
基于动态估算的电机永磁体磁链，可为永磁同步电机控制系统实时提供准确的转子磁链信息，提高系统控制性能和效率。
Simulations demonstrate that this method provides an accurate estimation of nonlinear residual frequency errors with high computation efficiency. An experimental result was also given.
仿真试验表明，该方法能够精确地估计调频非线性剩余频差，具有较高的运算效率，并给出了一个实际试验结果。
In this paper, the coding efficiency of H. 264 has been improved from the motion estimation and bitstream switching.
本文主要从运动估计与码流切换两个方面对当前的H . 264进行了改进，从而得到了编码效率的提升。
The efficiency of the half pixel search is improved by using a paraboloid prediction based fast half pixel motion estimation algorithm.
为了加速半像素搜索，提出了一种基于抛物面预测的半像素快速搜索算法。
In addition, using the relationship among recovery percent, displacement and volumetric sweep efficiency, the equations for estimation of the volumetric sweep efficiency and.
利用采出程度、驱油效率和体积波及系数三者关系，给出了体积波及系数与可采储量采出程度的计算公式。
Taking the channel estimation mean square error (MSE) as the performance evaluation indicator, the thesis verifies the efficiency of the proposed scheme from the theoretical aspect.
并且以信道估计均方误差(MSE)作为评估标准，从理论上证明了所提算法的有效性。
To improve efficiency and accuracy of the current estimation system for cereal aphids, a novel method based on computer vision technology was introduced.
为了减轻麦蚜虫抽样调查的难度，提高调查的效率和准确性，设计了一套基于计算机视觉技术的蚜虫数量自动计数的新方法。
In this paper, the problem of estimation of economic efficiency is studied by. comprehensive evaluation of technical-economical indexes.
本文采用技术经济指标的综合评价方法研究经济效益的评价问题。
Introducing the concept of WBS (Work Breakdown Structure) into the project quotation software will greatly improve the accuracy of project cost estimation and the efficiency of cost control.
将项目管理中的WBS(工作分解结构)概念引入到工程报价软件中，将大大提高工程造价计价的准确性和造价控制的效率。
Because of never needing to send pilot tones or training symbols that can improve the spectrum using efficiency of the systems, blind channel estimation has gotten more and more research attention.
盲信道估计算法因完全不需要发送导频或训练序列，提高了系统的频谱利用率，受到了研究人员越来越多的关注。
Because of never needing to send pilot tones or training symbols that can improve the spectrum using efficiency of the systems, blind channel estimation has gotten more and more research attention.
盲信道估计算法因完全不需要发送导频或训练序列，提高了系统的频谱利用率，受到了研究人员越来越多的关注。
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