Doppler effect
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The Doppler effect (or Doppler shift), named after the Austrian physicist Christian Doppler, who proposed it in 1842 in Prague, is the change in frequency of a wave (or other periodic event) for an observer moving relative to its source. It is commonly heard when a vehicle sounding a siren or horn approaches, passes, and recedes from an observer. The received frequency is higher (compared to the emitted frequency) during the approach, it is identical at the instant of passing by, and it is lower during the recession.
- Related: Relativistic Doppler effect, Dopplergraph, Fizeau experiment, Fading, Inverse Doppler effect, Photoacoustic Doppler effect, Differential Doppler effect, Rayleigh fading
| Doppler Effect Doppler Effect scienceworld.wolfram.com/physics/DopplerEffect.html - Web |
| Java simulation of Doppler effect Java simulation of Doppler effect www.falstad.com/ripple/ex-doppler.html - Web |
| Doppler Shift for Sound and Light Doppler Shift for Sound and Light www.mathpages.com/rr/s2-04/2-04.htm - Web |
Gallery for «Doppler effect»
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| The Doppler Effect and Sonic Booms (D.A. Russell, ... The Doppler Effect and Sonic Booms (D.A. Russell, Kettering University) www.kettering.edu/~drussell/Demos/doppler/doppler.html - Web |
| Video Mashup with Doppler Effect videos Video Mashup with Doppler Effect videos beta.vtap.com/video/Doppler+Effect/CL0113709540_1d645df0e - Web |
| Wave Propagation Wave Propagation math.ucr.edu/~jdp/Relativity/WaveDancer.html - Web |
| EM Wave Animation EM Wave Animation math.ucr.edu/~jdp/Relativity/EM_Propagation.html - Web |
| Doppler Shift Demo Doppler Shift Demo astro.unl.edu/classaction/animations/light/dopplershift.html - Web |
| Interactive applets Interactive applets www.colorado.edu/physics/2000/applets_New.html - Web |
