A reassignment method for nonstationary time - frequency joint analysis is introduced.
介绍了非平稳信号时频联合分析中的重排方法.
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This paper provides an adaptive time - frequency representation using a radial Butterworth kernel.
本文采用径向为巴特沃思滤波器形式的核构造了一种自适应核时频表示.
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Measurement of time - frequency electronic measurement is an important area.
数字频率计是一种基本的测量仪器.
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Wavelet transform has the MRA characteristic and can make time - frequency analysis.
小波分析具有多分辨率分析和时频定位的特点,能够分析信号的局部特征.
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An algorithm for speech endpoint detection based on time - frequency - variance - summation was proposed.
提出了一种基于时频方差和的语音端点检测算法.
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Graphic Presentation of Time , Frequency , and Space Responses of Signals and Circuits.
图示讯号与电路之时域、频域 、 及空域响应.
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Simulations demonstrate that the new distribution is powerful in time - frequency resolution and strong in cross - term deletion.
实验结果说明新的分布具有高的时频分辨力和强的抑制交叉干扰能力.
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The wavelet transformation by Gabor wavelet is applied to the time - frequency analysis of disperse plate waves.
基于小波变换和模态声发射理论,通过模态声发射试验的方法确定了管道中导波传播的频散特性.
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The simulated data are quite similar to sea trial data in time, frequency and spatial domain.
本文的仿真结果在时频特性以及空间特性上都与海试数据非常逼近.
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No.203 Institute of CASIC - metrology and measurement research and quantity - value transfer on microwave, radio time - frequency and electricity.
中国航天科工集团二院203所 - 无线电技术,连接器,计量校准检定技术, 频率控制技术,自动测试技术,综合保障技术.
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The development of time - frequency analysis has three periods: Fourier transform, short - time Fourier transform and wavelet transform.
时频分析方法经历了富氏变换 、 短时 富利叶变换、小波变换三个阶段.
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The time - frequency method analyzed the nonstationary surface myoelectric signals during muscle dynamic contractions was introduced.
介绍了用于肌肉动态收缩期间非平稳表面肌电信号的时频分析方法.
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Time - frequency analysis is an efficient method in feature extraction for transformer partial discharge.
时频分析方法是变压器局部放电特征提取的有效手段.
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Polar reformation , modern spectrum analysis and time - frequency imaging are used for ISAR imaging are discussed also.
简单讨论了ISAR的极坐标重组 、 现代谱分析和时频成像法.
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The paper uses the S transform for time frequency filtering.
本文把S变换用于时频滤波.
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