1
Alan L Polivka, Charles Zahm: System for conducting video communications over satellite communication link with aircraft having physically compact, effectively conformal, phased array antenna. Harris Corporation, Charles Wands, October 31, 1995: US05463656 (155 worldwide citation)

A system architecture and communication methodology for significantly reducing the size of an aircraft antenna required to provide full broadcast quality video communications with an aircraft via a satellite communications link includes a combination of video bandwidth compression, spread spectrum w ...


2
Charles Zahm, William Matheson: Application of GPS to a railroad navigation system using two satellites and a stored database. Harris Corporation, Rogers & Killeen, February 2, 1999: US05867122 (52 worldwide citation)

A method for determining the location of a vehicle whose movement is constrained to a route whose location is fixed and known, such as a train. An initial estimate of location is made based upon information contained in a route database based on distance traveled from a reset point. The accuracy of ...


3
Edward R Beadle, Charles Zahm: Data system for interfacing with a remote data storage facility using compressive sensing and associated methods. Harris Corporation, Allen Dyer Doppelt Milbrath & Gilchrist P A, August 20, 2013: US08516340 (2 worldwide citation)

A data handling system includes a compressive sensing unit that receives a source date file. A sparseness module compressive sensing unit generates a sparse source data file by inducing sparseness into the source data file. A measurement module within the compressive sensing unit generates a compres ...


4
Edward R Beadle, Charles Zahm: System with sub-nyquist signal acquisition and transmission and associated methods. Harris Corporation, Allen Dyer Doppelt Milbrath & Gilchrist P A, September 17, 2013: US08538329 (2 worldwide citation)

A sensing and recovery system includes a sensing unit and a recovery unit coupled together. The sensing unit includes a sensor to generate a bandlimited continuous time analog signal, and a modulator coupled to the sensor to generate a modulated analog signal based upon modulation of the bandlimited ...