The displacement response time-domain waveforms of (a) the linear cantilever and the TMDVA-38 cantilever, (b) the TMDVA-38 cantilever and the magnet B in the TMDVA-38, (c) the linear cantilever and the TMDVA-48 cantilever and (d) the TMDVA-48 cantilever and the magnet B in the TMDVA-48 when the resonance frequency of the linear cantilever is 16.7 Hz