Periodic two-valued signals which exhibit two-level autocorrelation can, in many cases, be made to yield an out-of-phase autocorrelation value identically equal to zero. This can be achieved by replacing the two values of the sequence (normally +1 and -1) with the two values +1 and e/sup i phi /, or with +1 and beta ( beta real). Simple expression for phi and beta are given, based on the parameters of the difference set to which such signals correspond. Another strategy is to transmit a sequence of +1s and -1s, but of +1s and bs (b real and negative). An expression for b is also obtained.<>


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    Title :

    Two-valued sequences with perfect periodic autocorrelation


    Contributors:


    Publication date :

    1992-04-01


    Size :

    265503 byte




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English