- Doppler
[Doppler 词源字典]
- 1871, in reference to Christian Doppler (1803-1853), Austrian scientist, who in 1842 explained the effect of relative motion on waves (originally to explain color changes in binary stars); proved by musicians performing on a moving train. Doppler shift is the change of frequency resulting from the Doppler effect. The surname is literally "Gambler."[Doppler etymology, Doppler origin, 英语词源]