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Electronically steered weather radar

  • US 9,297,896 B1
  • Filed: 05/23/2012
  • Issued: 03/29/2016
  • Est. Priority Date: 05/24/2011
  • Status: Active Grant
First Claim
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1. An electronically steered weather radar system comprising:

  • a plurality of transmit/receive modules, each transmit/receive module configured to adjust a phase characteristic of a radio frequency (RF) signal to be transmitted and received;

    a plurality of antenna modules, each antenna module in communication with one transmit/receive module, the antenna modules forming an antenna array configured to transmit a system beam having a beamwidth in a direction determined by the phase of the RF signal from each transmit/receive module and to generate the RF signal from the received system beam; and

    a system signal processor configured to perform a first scan to detect meteorological formations wherein the system signal processor communicates with each transmit/receive module to adjust a phase characteristic of the RF signals such that the antenna array transmits and receives the system beam through a plurality of azimuth angles with a first azimuth step value and a plurality of elevation angles with a first elevation step value, the first azimuth step value and the first elevation step value being larger than the beamwidth of the system beam.

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