How To Use Doppler effect In A Sentence
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The Doppler effect is a change in the frequency of sound waves caused by moving objects.
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This Doppler effect is frequently heard on the ground when a fast-moving ambulance or police car passes the listener.
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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
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Synth notes bob, bend and warble, producing a strange, droning, Doppler effect, whizzing past the listener like vehicles on a Tron superhighway.
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The dipoles observed in the cosmic temperature are due to the Doppler Effect caused by the movements of our galaxy.
Unthreaded #19 « Climate Audit
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By analogy, the electromagnetic radiation emitted by a moving object also exhibits the Doppler effect.
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The relativistic Doppler effect for light waves is formulated exactly by 4 - vector transformation.
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The instrument can demonstrate ultrasonic Doppler effect, analyze the frequency deviation and measure the velocity.
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First, because the source and observer are moving away from each other the doppler effect causes an increase in wavelength.
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Synth notes bob, bend and warble, producing a strange, droning, Doppler effect, whizzing past the listener like vehicles on a Tron superhighway.
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By the end you’ll be guessing how far away the clumsy attendee is by the Doppler effect caused by the uproar.
The New York Cork Report
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The instrument can demonstrate ultrasonic Doppler effect, analyze the frequency deviation and measure the velocity.
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I will do my best to quote, but the essence of his message was not an echo from the day's rally, but the Doppler Effect that preceded 90% of the people in the room and the Stewart/Colbert Rally.
Joe The Nerd Ferraro: Dick Gregory and the Rally for Sanity
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Firstly, the light waves from the star are either compressed or stretched as it approaches or recedes from us on Earth this is called the Doppler Effect.
George’s Cosmic Treasure Hunt
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The inverse Doppler effect is not something you can hear, but understanding it could one day lead to important advances in optics and communications equipment.
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If the light had been stretched, or 'redshifted', through the Doppler effect - the same distorting effect that causes an ambulance siren to rise in pitch when approaching or drop as it recedes - it could only mean one thing: everything in the universe was hurtling away from our humble Milky Way, and the further away it was, the faster it fled.
COSMOS magazine - The science of everything
