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- 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。
- Combined with the basic principle and method of the radar multitarget resolving,the application of time frequency analysis is discussed for nonrigid multitarget resolving. 从雷达多目标分辨的基本原理和方法出发,探讨了时频分析在雷达非刚性多目标分辨中的应用问题。
- This paper introduces the analysis(time domain analysis,spectrum analysis,time frequency analysis,and artificial neural network analysis) method of surface EMG signal,application of surface EMG signal and its prospect are also included in the paper. 本文介绍了表面肌电的信号分析方法 (时域分析法、频域分析法、时频分析法及人工神经网络等方法 ) ,并介绍了表面肌电信号检测分析技术的应用状况和前景展望
- 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。
- 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 time frequency analysis remedies the defect that short Fourier translation (SFT) has the same time resolution and frequency resolution to different frequency ranges. 该方法克服了SFT（短时Fourier变换）分析对高、低频段具有相同的时间分辨率和频率分辨率的缺点，弥补了小波变换只能粗糙地模拟基底膜带通滤波器特性的不足。
- 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。
- The principles of erecting evaluation system were established.Indexes were filtrated by frequency analysis method, theoretical analysis method, and expert consultation method. 确定了评价指标体系建立原则，采用频率统计法、理论分析法和专家咨询法设置、筛选指标，使指标的配置更加合理；
- Heisenberg Uncertainty Principle in time frequency analysis plays a very important role in signal analysis, which shows the close relationship between time and frequency in Time frequency analysis . 时频分析中的Heisenberg不确定原理在信号分析中具有重要作用和地位 ;它表明了在时频分析中时间与频率之间密不可分的关系 .
- The digital and analog methods are both used to solve many important problems of instrument design, such as spectral fold-over and nonlinear frequency analysis method. 设计中综合使用数字和模拟的方法，解决了数据采样折叠噪声、非线性频谱分析方法建立等核心问题。
- The STFT Time frequency Analysis of FH SS Signal 跳频信号的STFT时-频分析
- Time Frequency Analysis and Its Application in EEG Signal 时频分析及其在癫痫脑电信号中的应用
- Frequency analysis method of shafting crankle vibration 轴系弯扭振动的频率分析方法
- Research on Time Frequency Analysis of Impact echo Signal of Concrete Structure 混凝土结构脉冲回波信号的时频分析研究
- The Research of Cross-component Suppression of Multi-component Signals Using Time Frequency Analysis 多分量信号时频分析交叉项抑制研究
- This analysis method possesses the applicat... 该分析方法在同类产品中有应用的可能性。
- On Time Frequency Analysis, Feature Extraction and Classification of Ultrasonic Signal of Concrete Structure 混凝土结构超声检测信号的时频分析研究
- Shadow Imaging for Bistatic Radar Based on Forward Scattering by Joint Time Frequency Analysis 基于时频分析的双基地前向散射雷达侧影成像
- Time Frequency Analysis and Feature Extraction of Pressure Signals in Closed Bomb 密闭爆发器压力信号的时频分析与特征提取
- ON-LINE FAULT DIAGNOSIS SYSTEM FOR HIGH-POWER CONTROLLED RECTIFIER BASED ON IMPROVED FREQUENCY ANALYSIS METHOD 基于改进谱分析法的大功率可控整流电路故障在线诊断系统
