Patents by Inventor Krishnan J. Shanmuganandham

Krishnan J. Shanmuganandham has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Split aperture array for increased short range target coverage
    Patent number: 7737879
    Abstract: A phased array radar system comprising a plurality of radiating elements configured in a common array aperture for detecting and tracking targets; and a transmit and receive arrangement responsive to a first control signal for configuring the plurality of radiating elements to define a plurality of sub-apertures from the common array aperture for detecting and tracking short range targets, wherein the plurality of sub-apertures are independently steerable array apertures and include an amplitude taper applied across each of the plurality of sub-apertures to reduce a peak sidelobe level.
    Type: Grant
    Filed: May 23, 2008
    Date of Patent: June 15, 2010
    Assignee: Lockheed Martin Corporation
    Inventors: Byron W. Tietjen, Krishnan J. Shanmuganandham, Neemah Delfanian, Matthew T. Nickels
  • SPLIT APERTURE ARRAY FOR INCREASED SHORT RANGE TARGET COVERAGE
    Publication number: 20080291087
    Abstract: A phased array radar system comprising a plurality of radiating elements configured in a common array aperture for detecting and tracking targets; and a transmit and receive arrangement responsive to a first control signal for configuring the plurality of radiating elements to define a plurality of sub-apertures from the common array aperture for detecting and tracking short range targets, wherein the plurality of sub-apertures are independently steerable array apertures and include an amplitude taper applied across each of the plurality of sub-apertures to reduce a peak sidelobe level.
    Type: Application
    Filed: May 23, 2008
    Publication date: November 27, 2008
    Applicant: LOCKHEED MARTIN CORPORATION
    Inventors: Byron W. Tietjen, Krishnan J. Shanmuganandham, Neemah Delfanian, Matthew T. Nickels