Frequency Domain Interpolation |
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| Authors: | Leondes CT Rivers DD |
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| Institution: | Department of Engineering Systems 7620 Bodter Hall University of California at Los Angeles Los Angeles, CA 90024; |
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| Abstract: | 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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