Twin inverted pulse radar

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Twin Inverted Pulse Radar (TWIPR or TWIPS)[1] is a type of radar where a negative and a positive pulse is sent out in quick succession.[2] The twin pulses will cancel each other when hitting objects like trees, foliage, and metals. But a semiconductor device will invert the negative pulse into a positive which will add to the other positive pulse and result in a strong return pulse. This is how dolphins locate fish through a cloud of bubbles.[2][1]


  1. ^ a b "Dolphins inspire new radar system Twin inverted pulse sonar (TWIPS)". Department of Electronic & Electrical Engineering - University College London. Retrieved 27 February 2015. 
  2. ^ a b Mintz, Zoe (23 October 2013). "Dolphins' Hunting Technique Inspires New Radar Device". International Business Times. IBT Media Inc. Retrieved 27 February 2015. 

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