Secondly, the feature information of each dimension extracted from the processed spectrogram is compared with the standard spectrogram database, and the feature coefficients of each dimension are obtained.
Secondly, the feature information of each dimension is extracted from the processed spectrum and compared with the standard spectrum database to obtain the feature coefficients of each dimension
Secondly, the feature information of each dimension extracted from the processed spectrogram is compared with the standard spectrogram database to obtain the feature coefficients of each dimension.