An echo tracker/range finder or altimeter is described. The pulse repetition frequency (PFR) of a predetermined plurality of transmitted pulses is adjusted so that echo pulses received from a reflecting object are positioned between transmitted pulses and divided their interpulse time interval into two time intervals having a predetermined ratio with respect to each other. The invention described provides a means whereby the arrival time of a plurality of echo pulses is defined as the time at which a composite echo pulse formed of a sum of the individual echo pulses has the highest amplitude. The invention is applicable to radar systems, sonar systems, or any other kind of system in which pulses are transmitted and echoes received therefrom.


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    Title :

    Echo tracker/range finder for radars and sonars


    Contributors:

    Publication date :

    1982-03-16


    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English




    Echo Tracker/Range Finder for Radars and Sonars

    N. J. Constantinides | NTIS | 1979



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