A formula is derived for interpolation between output samples of a fast Fourier transform (FFT), i.e., in the frequency domain. Such a formula is useful for obtaining greater frequency resolution when two coarse FFT outputs are available. Consideration is also given to the effect of such interpolation on a weighted FFT.


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    Title :

    Frequency Domain Interpolation


    Contributors:

    Published in:

    Publication date :

    1977-05-01


    Size :

    651847 byte




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English