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Display system and method using weather radar sensing

  • US 9,939,526 B2
  • Filed: 11/07/2014
  • Issued: 04/10/2018
  • Est. Priority Date: 09/06/2007
  • Status: Active Grant
First Claim
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1. An airborne weather radar system used for enhanced vision, comprising:

  • an antenna; and

    a control circuit configured to provide radar beams via the antenna toward external surroundings and configured to receive radar returns, wherein the control circuit is configured to process the radar returns to provide image data associated with the external surroundings, wherein the weather radar system has increased range resolution and angular resolution when used for enhanced vision of external scene topography than when used for weather radar sensing functions, the control circuit configured to transmit successive pulses with discrete increasing frequency steps such that radar returns from clutter in an ambiguous range are different from radar returns from targets, the control circuit configured to reject the radar returns from clutter in the ambiguous range, the radar beams being in the X-band or the C-band, the image data being for providing a visual image of external scene topography to a pilot.

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