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I Doppler shift source velocity components

  1. Apr 19, 2017 #1
    how does the doppler effect work when the observer and source are not moving in a straight line, what do we take in as the velocity of the observer and the source in the doppler effect equation?

  2. jcsd
  3. Apr 19, 2017 #2


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    What do you think?

    Given the physics of what's going on there's only one plausible answer as far as I can see.
  4. Apr 19, 2017 #3
    is it the velocity component that is parallel to the direction of the propagation of the wave?
  5. Apr 19, 2017 #4


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    Correct. You need to take care about what direction the wave is travelling because where the receiver is when it receives a pulse is not where it was when it was emitted (which can get messy if the receiver is accelerating). As long as you remember about leading a moving target when you set up your maths, you're fine.
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