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.
Frequency Domain Interpolation
IEEE Transactions on Aerospace and Electronic Systems ; AES-13 , 3 ; 323-327
1977-05-01
651847 byte
Article (Journal)
Electronic Resource
English
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