Description of improved form of radio altimeter which can serve number of purposes; problem of finding means for detecting phase of reflected wave in relation to transmitted wave; practical application in measuring distance reflected wave has traveled when it returns to antenna; application of beat frequency; further possibilities; indications for landing. Paper presented before Nat. Acad. of Sciences.


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    Title :

    Height of airplane above ground by radio echo


    Additional title:

    Aviation Eng


    Contributors:

    Published in:

    Publication date :

    1928


    Size :

    2 pages


    Remarks:

    3 Figs.


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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