Recent Patents in Signal Processing (November 2011) - Radar Signal Processing

For our November 2011 edition, we focus on patents in the area of Radar Signal Processing. The selection below includes patents issued in the recent past, ranging from deblurring, resolution enhancement, and clutter filtering of radar images, applications to vehicular radar, and fundamentally new architectures and acquisition methods based on ramp signals, OFDM signals. If you have an interesting patent to share when we feature Radar Signal Processing-related patents the next time, or if you are especially interested in a signal processing research field that you would want to be highlighted in this section, please send email to Shantanu Rane (rane AT merl DOT com).

US 8,044,846, "Method for deblurring radar range-doppler images", by H. Urkowitz and J. Cammerata, filed 29 November 2007, issued 25 October 2011, assigned to Lockheed Martin Corporation (Bethesda, MD).

US 8,035,550, "Unbalanced Non-Linear Radar", by S. Holly and N. Koumvakalis, filed 3 November 2008, issued 11 October 2011, assigned to The Boeing Company (Chicago, IL).

US 8,035,545, "Vehicular surveillance system using a synthetic aperture radar", by J. Pruett, T. Adams, C. Moshenrose and J. Grimm, filed 13 March 2009, issued 11 October 2011, assigned to Raytheon Company (Waltham, MA).

US 8,026,841, "Range and azimuth resolution enhancement for real-beam radar", by G. Liu and K. Yang, filed 18 September 2008, issued 27 September 2011, assigned to BAE Systems Controls Inc. (Johnson City, NY).

US 8,026,843, "Radar methods and systems using ramp sequences", by V. Winkler, filed 31 January 2008, issued 27 September 2011, assigned to Infineon Technologies AG (Neubiberg, Germany).

US 8,004,327, "Phase locked oscillator and radar unit having the same", by H. Hongo, filed 22 February 2010, issued 23 August 2011, assigned to Fujitsu Limited (Kawasaki, Japan).

US 7,999,724, "Estimation and correction of error in synthetic aperture radar", by K. Cho, filed 15 December 2008, issued 16 August 2011, assigne to The Boeing Company (Chicago, IL).

US 7,994,969, "OFDM frequency scanning radar", by K. Van Caekenberghe, K. Brakora and K. Sarabandi, filed 19 September 2008, issued 9 August 2011, assigned to The Regents of The University of Michigan (Ann Arbor, MI).

US 7,994,967, "Systems and methods for space-time radar imaging", by P. Mountcastle, filed 13 April 2010, issued 9 August 2011, assigned to Technology Service Corporation (Silver Spring, MD).

US 7,990,311, "Adaptive clutter filter for maritime surface search radar", by M. Pauli and J. Blind, filed 30 October 2009, issued 2 August 2011, assigned to Raytheon Applied Signal Technology, Inc. (Sunnyvale, CA).

US 7,973,703, "Method and apparatus for creating and processing universal radar waveforms", by J. Burri, M. Farris, M. Pohlman, and R. Potter, filed 20 July 2010, issued 5 July 2011, assigned to Arete Associates (Northridge, CA).

US 7,961,138, "Detecting operational radar angles based on wavelength specific electromagnetic propagation and surface interaction ", by M. Govoni, filed 25 August 2009, issued 14 June 2011, assigned to United States of America, Secretary of the Army (Washington, DC).