ASYMPTOTIC WAVELET AND GABOR ANALYSIS - EXTRACTION OF INSTANTANEOUS FREQUENCIES
ASYMPTOTIC WAVELET AND GABOR ANALYSIS - EXTRACTION OF INSTANTANEOUS FREQUENCIES
复制标题
DOI：
10.1109/18.119728
复制
发表时间：
1992-03-01
影响因子：
2.5
通讯作者：
TORRESANI, B
中科院分区：
文献类型：
--
作者：
DELPRAT, N;ESCUDIE, B;TORRESANI, B
连续小波和Gabor系数的渐近极限的行为，使用平稳相位近似进行了研究。 特别是，它示出了如何，在一些额外的假设下，这些系数允许提取的分析信号的一些特性，例如频率和幅度调制法。 简要讨论了谱线估计和匹配滤波的应用。
The behavior of the continuous wavelet and Gabor coefficients in the asymptotic limit, using stationary phase approximations are investigated. In particular, it is shown how, under some additional assumptions, these coefficients allow the extraction of some characteristics of the analyzed signal, like for example frequency and amplitude modulation laws. Applications to spectral line estimations and matched filtering are briefly discussed.