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- extended frequency analysis 扩展频域分析
- 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.
- extended frequency domain analysis 扩展频域分析
- 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。
- So far people have put forward some basic methods for evaluate the MTF values of the lens, such as knife-edge method, laser speckle method and extended frequency aperture (EFA) method. 迄今为止，人们已经提出了诸如刃边法、激光散斑法、扩展频率孔径法等多种测量离散成像器件MTF的方法。
- 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。
- The Enhanced Position Location Reporting System Extended Frequency (EPLRS-XF) radio enables more efficient communication in congested battlefield environments, Raytheon officials said. 雷声公司官员说，增强型定位报告系统频率扩展型（EPLRS-XF）电台可以在信号拥堵的战场环境中实现更有效的沟通。
- 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 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。
- 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。
- 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。
- 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。
- extended frequency communication 扩频通信
- Cunnane,C.Statistical Distributions for Flood Frequency Analysis[M].WMO Operational Hydrology Report No.33,Secretariot of WMO,1989. 参考文献[8]中;自1153年计算至1990年;N取整为840年.;本文延至2004年(下同);故N取整为850年由此引起的经验频率值略有改变;但不影响已有的适线成果
- It shows that since 1999 the seismic activity mainly belongs to the tectonic event based on a seismic spectral and time frequency analysis. 火山地震的频谱分析和时频分析结果表明，自1999年以来发生的火山地震主要为构造型火山地震。
- The gymnast extended her arms horizontally. 那女子体操运动员双臂平伸。
- In cryptanalysis, frequency analysis is the study of the frequency of letters or groups of letters in a ciphertext. The method is used as an aid to breaking classical ciphers. 在数学,物理和信号处理中频率分析是一种分解函数,波形,或信号的频率组成以获取频谱的方法。
- It is a barbarous way to extend territory by arms. 以武力扩张领土是一种野蛮的方式。
