Generation of Dolph-Chebyshev weights via a fast Fourier transform

1 January 1974

journal article
Published by Institute of Electrical and Electronics Engineers (IEEE) in Proceedings of the IEEE

Vol. 62 (10) , 1396
https://doi.org/10.1109/PROC.1974.9634

Abstract

Dolph-Chebyshev weights, which realize a minimum side-lobe level for a specified main-lobe width, can be generated by a single fast Fourier transform (FFT). For an even number of elements 2H, the size of the FFT is H. This result has utility for spectral analysis as well as for array processing.

Keywords

FAST FOURIER TRANSFORMS
FREQUENCY ESTIMATION
SPECTRAL ANALYSIS
ALGORITHMS
CHEBYSHEV APPROXIMATION
POLYNOMIALS
VOLTAGE

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