Patents Assigned to Lockheed Martin Cproration
  • Patent number: 8970426
    Abstract: A system for suppressing clutter in a radar system is provided. The system includes an antenna configured to receive radar signals containing clutter and a digital receiver adapted to convert the radar signals received by the radar arrays to complex I/Q samples. These I/Q samples are provided to a Doppler filter bank comprising a plurality of Doppler filters for filtering the pulse compressed data into Doppler bins representative of range values according to Doppler frequency. The system further includes at least one processor for comparing the output of each of the plurality of Doppler filters types to respective background clutter maps, and identifying the Doppler filter which outputs the radar return signal with the greatest magnitude over the clutter map. Once identified, target detection operations may be performed on the output of the identified Doppler filter.
    Type: Grant
    Filed: November 15, 2012
    Date of Patent: March 3, 2015
    Assignee: Lockheed Martin Cproration
    Inventors: Peter H. Stockmann, David M. Mittiga