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Doppler shift |
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Doppler shiftSee Doppler effect. Doppler shift [′däp·lər ‚shift] (physics) The amount of the change in the observed frequency of a wave due to Doppler effect, usually expressed in hertz. Also known as Doppler frequency. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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This inverse Doppler effect, first predicted in the 1940s, produces a frequency boost some 100,000 times greater than the drops of ordinary Doppler shifts, the researchers report in the Nov. 3D sound -- provides a cross-platform API for creating 3D spatialization of sounds, Doppler shifts, volume and roll-off controls. However, the frequency shift can be tens of thousands of times as large as normal Doppler shifts, Reed says. |
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