Statements (44)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
physical phenomenon
|
| gptkbp:alsoKnownAs |
gptkb:Doppler_shift
|
| gptkbp:appliesTo |
electromagnetic waves
waves water waves sound waves light waves |
| gptkbp:category |
wave phenomena
frequency shift motion-induced effect |
| gptkbp:cause |
change in frequency
change in wavelength |
| gptkbp:dateObserved |
source and observer are in relative motion
|
| gptkbp:describedBy |
gptkb:Christian_Doppler
|
| gptkbp:describedYear |
1842
|
| gptkbp:example |
redshift of galaxies
Doppler radar weather detection ambulance siren pitch change train whistle pitch change |
| gptkbp:explains |
gptkb:blueshift
redshift |
| gptkbp:form |
f' = f (v+vo)/(v+vs)
|
| https://www.w3.org/2000/01/rdf-schema#label |
Doppler Effect
|
| gptkbp:namedAfter |
gptkb:Christian_Doppler
|
| gptkbp:relatedTo |
gptkb:astronomy
acoustics frequency physics relativity medical imaging wave propagation velocity wavelength |
| gptkbp:usedIn |
gptkb:astronomy
gptkb:radar gptkb:Doppler_ultrasound Doppler radar weather forecasting medical imaging |
| gptkbp:bfsParent |
gptkb:Laser_Cooling
gptkb:Pulse_Doppler_Radar gptkb:Wave_Motion gptkb:Wave_Phenomena |
| gptkbp:bfsLayer |
8
|