Frequency determination method and device, nonvolatile storage medium and computer equipment

The invention discloses a frequency determination method and device, a nonvolatile storage medium and computer equipment. The method comprises the steps that a first time domain signal is acquired, and the first time domain signal comprises a vital sign time domain signal; continuous wavelet transform is carried out on the first time domain signal to obtain corresponding first multi-dimensional information, and the first multi-dimensional information comprises time, frequency and amplitude; identifying an interference fragment from the first multi-dimensional information, and setting the amplitude corresponding to the interference fragment to zero to generate second multi-dimensional information; and determining a vital sign frequency corresponding to the vital sign time domain signal according to the second multi-dimensional information. The technical problem that the precision is not high when the frequency of the vital sign signal is determined based on the body surface vibration signal is solved. 本发明公开了一种