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Doppler effect (Sfrwbe)

Change in the apparent frequency of a wave as observer and source move toward or away from each other. Also called Doppler shift. (Source: wordnetweb.princeton.edu/perl/webwn)
Broader Term
Electromagnetic wave phenomena (Sfrwb)
Narrower Terms
Doppler shift (Sfrwbed)
Related Terms (Hierarchical)
Electromagnetic wave propagation (Sfrwbb)
Diffraction (Sfrwbd)
Frequency (Electromagnetism) (Sfrwbf)
Polarization (Sfrwbp)
Radiation patterns (Sfrwbq)
Reflection (Sfrwbr)
Refraction (Sfrwbs)
Scattering (Sfrwbt)