3-component ldv system
1Laser Doppler Vibrometer — A Laser Doppler Vibrometer (LDV) is a scientific instrument that is used to make non contact vibration measurements of a surface. The laser beam from the LDV is directed at the surface of interest, and the vibration amplitude and frequency are… …
2Doppler effect — Change of wavelength caused by motion of the source. An animation illustrating how the Doppler effect causes a car engine or siren to soun …
