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Date: 17-10-2021
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Date: 12-11-2021
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Date: 24-11-2021
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A method to obtain a signal with a flat spectrum (such as a pulse), but having a smaller amplitude than the pulse.
(1) |
whence
(2) |
where
(3) |
with .
Thus and are a Fourier pair, and since , it is guaranteed that the sequence has a flat spectrum. The sequence is called the "quadratic phase array."
REFERENCES:
Aarts, R. M. and Janssen, A. J. E. M. "On Analytic Design of Loudspeaker Arrays with Uniform Radiation Characteristics." J. Acoust. Soc. Amer. 107, 287-292, 2000.
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