Accession Number : ADD017632

Title :   Simultaneous Determination of Incoming Microwave Frequency and Angle-of-Arrival.

Descriptive Note : Patent, Filed 4 May 94, patented 4 Apr 95,

Corporate Author : DEPARTMENT OF THE NAVY WASHINGTON DC

Personal Author(s) : Vlannes, Nickolas P

Report Date : 04 May 1994

Pagination or Media Count : 24

Abstract : Incoming signals radiated to an array of antennas are processed within a signal surveillance system by adding signal outputs of two antennas at a common frequency. Separation of the added signal outputs according to frequency and comparison of power level measurement thereof provides signal phase difference data from which frequency and direction of the incoming signals are simultaneously determined.

Descriptors :   *SIGNAL PROCESSING, *ANTENNA ARRAYS, *PATENTS, OUTPUT, POWER LEVELS, ANGLE OF ARRIVAL, SYNCHRONISM, ANTENNA RADIATION PATTERNS, SURVEILLANCE, DETERMINATION, MICROWAVE FREQUENCY, POWER MEASUREMENT, DIFFERENCE FREQUENCY

Subject Categories : Electricity and Magnetism
      Electrical and Electronic Equipment

Distribution Statement : APPROVED FOR PUBLIC RELEASE