Abstract:In this paper , the method for designing digital filters and their implementation and application via filter banks are introduced. The design of digital Hilbert filters of each scale in dyadic wavelet filter banks is particularly discussed. Moreover, this method, which based on multiscale Hilbert filtering methods, is applied to the extraction of the instantaneous frequency and obtains a better denoising result compared with the traditional DWT denoising method.
蔡毓; 刘贵忠; 侯兴松. 基于二进小波变换的实信号的多尺度Hilbert变换和瞬时频率提取[J]. 电子与信息学报, 2002, 24(8): 1028-1034 .
Cai Yu; Liu Guizhong; Hou Xingsong. Dyadic wavelet transform based real signal multiscale hilbert transform and extraction of instantaneous frequency. , 2002, 24(8): 1028-1034 .