Patents by Inventor Moh'd A. Hasan

Moh'd A. Hasan 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).

  • Publication number: 20150123843
    Abstract: A system for interference suppression onboard a satellite may include an antenna that is configured to receive uplink signals from a ground-coverage area and to generate a first signal. A spot-beam antenna may be configured to receive interference signals and to generate a second signal. A processor may be configured to receive the first signal from the antenna and the second signal from the spot-beam antenna and to perform a cross-correlation to generate a composite signal that includes a null at an interference frequency. The antenna may be a shaped reflector antenna and the spot-beam antenna may be a parabolic reflector antenna.
    Type: Application
    Filed: November 6, 2013
    Publication date: May 7, 2015
    Inventors: Erik LIER, Moh'd A. Hasan, Anthony Wykeham Jacomb-Hood, Matthew George Bray, Russell T. Baker
  • Patent number: 4885590
    Abstract: A radar system mounted on a moving vehicle uses a displaced phase center antanna (DPCA) and associated processing for taking the difference between the two signals received by the displaced antennas to provide moving target indication (MTI) by cancellation of the returns from stationary targets. The presence of moving targets is identified by threshold processing within discrete frequency bands. DPCA processing ordinarily results in amplitude nulls or "blind speeds" for targets moving at particular radial velocities. According to the invention, the two signals received by the displaced antennas are summed, weighted and divided into frequency bands which extend through the expected null region in a form of Doppler processing. Threshold processing is performed on DPCA processed signals within certain frequency bands outside of the null regions and on Doppler processed signals within other frequency bands, thereby substantially eliminating the blind speeds.
    Type: Grant
    Filed: April 14, 1989
    Date of Patent: December 5, 1989
    Assignee: General Electric Company
    Inventor: Moh'd A. Hasan