Doppler shift: Revision history

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4 March 2024

17 November 2023

16 November 2023

  • curprev 18:2918:29, 16 November 2023Vbfcc talk contribs 610 bytes +610 Created page with "The phenomenon in which the wavelength of a wave is compressed ("blue shifted") to an observer approaching the wave's source, and extended ("red shifted") to one retreating from the wave's source (the perceived frequency thus being raised or lowered respectively). In radiocommuncations it becomes significant with high-velocity sources such as satellites and other spacecraft. A relative speed difference of 100 km/h (about 62 mph) will cause a perceived difference of about..."