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I Longitudinal waves

  1. May 10, 2016 #1
    In a longitudinal wave is a compression pulse always followed by a rarefaction on its tail
     
  2. jcsd
  3. May 10, 2016 #2
    It is possible to have just one direction of pulse but then the whole system has moved forward statically. For electrical transmission lines we have created a DC component. A balanced system of pulses (maybe 3 for instance) has no residual DC component. This would be obtained if the transmission line is driven via a DC blocking capacitor.
     
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