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Doppler effect |
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Doppler effectChange in the observed frequency (or wavelength) of waves due to relative motion between the wave source and the observer. The Doppler effect is responsible for the perceived change in pitch of a siren as it approaches and then recedes, and for the red shift of light from distant galaxies. It is named after the Austrian physicist Christian Doppler. 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 Doppler shift will indicate wind speed to an accuracy of a meter per second. This non-contact, laser velocimeter employs Laser Doppler Shift Technology to offer accurate and repeatable measurements of speed and length Contact: 1-508-832-3456 The second-order Doppler shift is of order 3 X [10. |
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