This article describes a frequency modulated single-antenna radio altimeter The entire structure includes a transmitter/receiver network with a single antenna for operation in both a continuous wave (CW) mode and an interrupted continuous wave (ICW) mode to provide a highly accurate altitude indication. An altimeter transmitter generates a constant FM period CW signal below a critical altitude and a variable FM period ICW signal above the critical altitude. The main advantages of this altimeter are lower cost and weight, good measurement accuracy, and high altitude range.


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    Title :

    An aircraft single-antenna FM radio altimeter


    Contributors:

    Published in:

    Publication date :

    2003


    Size :

    5 Seiten, 6 Quellen



    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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