查询词典 sample method

It shows in the test of simulation sample that the ratio of interference inhibition is higher than 5000, and the minimum detected discharge magnitude is 0.06pC. Again, a method of polarity discrimination and high interference inhibition for the dual-input and single-output damped oscillation signal is proposed firstly.

在脉冲鉴别法的基础上，通过详细分析脉冲鉴别的原理和双端输入、单端输出信号的极性，首次提出了对双端输入、单端输出衰减振荡的局部放电信号进行极性鉴别的方法和极大干扰信号抑制方法。

This method uses its own learning mechanism to create the domain of the decision. It can make best use of the samples by training each sample individually and obtaining the balanced weights with good convergence.

针对神经网络在结构损伤检测应用中的不足，本文对BP(back-propagation)算法提出了改进——权值阈值同步学习的BP 算法，并着重分析了改进BP 网络建模中的一些不确定的因素，提出了建模中的注意要点和选择建议。

Data sample pretreatment of decision tree and Support Vector Machine method is conducted by the documents of product design knowledge segmentation processing, feature extraction, feature merger and expression vector.

通过对产品设计知识文档的分词处理、特征抽取、特征合并及向量表达，为决策支持向量机方法提(来源：d6f5A6fBC论文网www.abclunwen.com)供样本数据预处理。

Further more, this thesis has provided a new method for optimizing sampling in theory, and established the probability model for the positive definitiveness of discrete sample by which the number of sampling was optimized.

在应用上，建立了离散型样本协方差矩阵正定的概率模型；提出了一种新的优化抽样调查设计方案，优化了抽样个数。

Therefore, if the soil water properties and soil water-storage was studied with traditional statistic method, we would not know the variate are dependent or independent, whether the results have spatial distributing pattern or not, even not know whether the number of sample is economical and rational or not.

因此用传统方法分析土壤水分特性和水库贮量并不清楚所得的数据是否相互独立，是否存在一定的空间分布格局，更不知道所确定的取样数量是否经济、合理。

The ultraviolet spectrophotometry method as determining the content ofsapogenins was used to evaluate the change of the quality in Dioscorea Zingiberensis C.H. Wright before or after supercritical CO_2 fluid extraction. The content of sapogeninswas 2.03% and 1.84% respectively in original and depurative sample, which showed thatdepuration of Cu, Cd, Pb in Dioscorea Zingiberensis C. H. Wright by supercritical CO_2fluid extraction had little influence on the active ingredient.

2采用超临界CO_2流体萃取法提取黄姜中甾体皂素，以可见分光光度法测定其含量，得到黄姜原样品及重金属净化后样品中甾体皂素含量分别为2.03％和1.84％，超临界CO_2流体络合萃取黄姜中Cu、Cd、Pb后对其有效成分影响不大。

Finally, the method with a reducer layout design sample and a number of experiments was tested.

最后以减速器设计策略的学习算例对该方法进行了验证。

A sidestream CO2 concentration measurement device using infrared method for medical is researched and developed in this paper. The module uses a detecter based on infrared absorption, and obtains gas sample from patient respiratory route through sidestream airway. A microprocessor is used to collect and process data, and to communicate with patient monitor, receiving commands, transmitting wavedata and parameters.

本文研制了一种医用旁流式红外吸收CO2浓度检测装置，利用红外吸收气体检测原理设计CO2浓度探头和信号放大电路，使用旁流式采样气路获取病人呼吸气体的样本，以32位微控制器为核心的信息处理系统负责对信号进行采集、处理，以及与主机通讯接受控制命令和传输波形数据和计算参数。

The results showed recovery of spiked sample and RSD from method of ultrasonic extraction with methylene dichloride met timeliness and accuracy requirements of SVOCs monitoring in soil.

结果表明，二氯甲烷超声萃取法提取土壤中的半挥发性有机物的时效性，准确性能够满足监测分析的要求。

The proposed method is sample and does not need to compute both complex partial differential equation and operator equation of Riccati.

该方法计算简单，无须计算复杂的偏微分Riccati方程或算子Riccati方程。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。