NOUN
- change in the apparent frequency of a wave as observer and source move toward or away from each other
How To Use Doppler effect In A Sentence
- The Doppler effect is a change in the frequency of sound waves caused by moving objects.
- This Doppler effect is frequently heard on the ground when a fast-moving ambulance or police car passes the listener.
- If you squinted hard enough, they became streaks of red and green fire, a condition known as the preadolescent Doppler effect. The Metrognome and Other Stories
- Synth notes bob, bend and warble, producing a strange, droning, Doppler effect, whizzing past the listener like vehicles on a Tron superhighway.
- The dipoles observed in the cosmic temperature are due to the Doppler Effect caused by the movements of our galaxy. Unthreaded #19 « Climate Audit
- By analogy, the electromagnetic radiation emitted by a moving object also exhibits the Doppler effect.
- The relativistic Doppler effect for light waves is formulated exactly by 4 - vector transformation.
- The instrument can demonstrate ultrasonic Doppler effect, analyze the frequency deviation and measure the velocity.
- First, because the source and observer are moving away from each other the doppler effect causes an increase in wavelength.
- Synth notes bob, bend and warble, producing a strange, droning, Doppler effect, whizzing past the listener like vehicles on a Tron superhighway.
