Definition[]
The Doppler shift (also called Doppler effect) is
“ | [t]he apparent change in frequency of sound or light waves caused by the relative motion between a source and an observer. As they approach one another, the frequency increases; as they draw apart, the frequency decreases.[1] | ” |
Overview[]
"The Doppler shift . . . is named for Austrian physicist and mathematician Christian Andreas Doppler."[2]
References[]
- ↑ Wiki.GIS.com, GIS Glossary (full-text).
- ↑ Id.