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Keywords scientometrics;mapping knowledge domains;co-citation analysis;social network analysis;word frequency analysis; 关键词科学计量学;科学知识图谱;共被引分析;社会网络分析;词频分析;
word frequency analysis 词频分析
word frequency analysis method 词频分析法
A Depth from Defocus Auto-Focusing Method Based on Frequency Analysis[J]. 引用该论文裴锡宇;冯华君;李奇;徐之海.
Two experiments explored the character of the auditory word frequency in the pure modality. 通过两个实验对听觉使用频率进行了探讨。
The concept of relative word frequency (RWF) is presented for evaluating the strength of word collocation. 提出利用相对词频(Relative Word Frequency,RWF)来评估词语之间搭配强度。
The conclusions are drawn that the BMA is useful to deal with the model uncertainty in frequency analysis. 贝叶斯模型综合能根据各线型的后验概率设置权重进行加权平均，以此减小线型选择的不确定性。
This paper proposes a new method based on time frequency analysis to detect spikes automatically. 本研究提出了一种基于时频分析的癫痫脑电棘波检测方法。
A frequency analysis method is presented in this paper for measuring the flowrate of oilwater twophase liquid mixtures. 叙述了利用两相流体的混合不均匀性来测量流体流量的频率分析法。
This transformation is useful for creating a custom word list based on the input text, complete with word frequency statistics. 此转换对于创建基于输入文本并带有词频统计信息的自定义词列表很有用。
A method of frequency analysis is described for the simplification of a heat exchangerdynamic model. 通过频域分析，从理论上提出了一种建立管壳式换热器简化模型的方法。
The algorithm preprocesses the pattern by using word frequency and the already-matched pattern prefix and suffix information. 该算法利用字频和已成功匹配的前、后缀信息对模式串进行预处理。
The main methods for calculating designed flood are probable maximum precipitation and hydrologic frequency analysis. 设计洪水计算方法主要是可能最大降雨和水文频率法。
The results have shown in expository text reading, there was word frequency effect and word class effect on fixation duration and fixation pattern. 实验结果发现，词频及词汇类型对读者眼球运动型态的影响，会因文体不同而有不同。
Main published work included length frequency analysis, virtual population analysis, production models, and maximum sustainable yield of Qatari fishery. 主要研究成果包括体长分析，世代分析方法，产量模型和卡塔尔国渔业的最大持续产量。
Experimental results show that features represented by mutual information, single-character word frequency and accessor variety can obtain an optimum result of 94.39%. 实验结果表明，采用互信息、单字词频和附属种类表示的特征向量所取得的分类性能最优，正确率可达94.;39%25。
METHODS:Frequency analysis was performed on 472 ADR cases collected from 54 medical institutions by means of Microsoft Excel. 方法:对54所医疗机构收集到的472例ADR报告利用Microsoft Excel电子表格进行频数分析。
This paper was focused on deriving the B nomogram of L-moments method,which was used to estimate the sampling errors in frequency analysis. 在设计洪水的抽样误差估计中,采用保证修正值系数B方法估计均方差简单易用。
I would like to have a word with you. 我想同你说句话。
A new spatial frequency analysis method based on wavelet was applied to homomorphic filtering to enhance the contrast of ICT image. 针对ICT图像对比度低、边缘模糊、细节不清晰等问题,提出采用基于小波的同态滤波算法来对图像进行增强。