时频分布(Time Frequency Distribution) 基于一种新的时频分布的机械故障诊断--《机械工程学报》2003年07期 频分布 WVD 故障诊断 【分类号】： TP277 【正文快照】： O前...
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linear time-frequency distribution 线性时频分布
cohen time-frequency distribution Cohen类时频分布
Wigner time-frequency distribution Wigner时频分布
cohen bilinear time-frequency distribution cohen类双线性时频分布
joint time-frequency distribution 时频联合分布
time-frequency distribution image 时频分布图像
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Blind source separation (BSS) based on spatial time frequency distribution can separate signals with different time frequency distributions.
基于空间时频分布的盲源分离算法可以用来分离具有不同时频分布的信号。
The conception of transient frequency and calculation method of wavelet packet are introduced, and time frequency distribution about simulation and actual seismic signals is given.
介绍了瞬时频率的概念和瞬态谱的小波包计算方法，并结合时间域模拟信号给出了其时频分布。
Generalized into local frequency from integral frequency, the method of joint time-frequency distribution effectively analyzes the signal based on the variation of frequency with time.
联合时频分布方法把整体频谱推广到局部频率，根据频率随着时间的变化情况，对信号进行有效的分析。
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