Patents by Inventor Karen E. Petzold

Karen E. Petzold 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).

  • Cross-correlation signal detector
    Patent number: 7336739
    Abstract: A method, system, and computer program product are provided for detecting at least one signal of interest within an input signal. At least one set of samples from the input signal is multiplied by at least one set of samples representing a complex conjugate of the input signal to obtain a series of correlation samples. Sets of one or more consecutive correlation samples are summed to obtain a series of pulse sums. A plurality of non-consecutive pulse sums are integrated to obtain a search value.
    Type: Grant
    Filed: September 26, 2003
    Date of Patent: February 26, 2008
    Assignee: Lockheed Martin Corporation
    Inventors: Karen E. Petzold, Stephen C. Smith