Demonstration of Doppler effect.
V – speed of wave; f – frequency of wave.
Speed of observer; observer location.
S – speed of source; location of source
Spacing of source emission points is D=ST=S/f, where T=1/f is the period of the source:
Pulse emitted at aD at a time aD/S = a/f after t [i.e. n] = 0; a labels emitted pulses. Wave fronts emitted at aD:
Author: David A. Craig <http://web.lemoyne.edu/~craigda/>
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