A method to obtain a signal with a flat spectrum (such as a pulse), but having a smaller amplitude
than the pulse.
are a Fourier pair, and since , it is guaranteed that the sequence has a flat spectrum. The sequence is called the "quadratic phase array."
Explore with Wolfram|Alpha
ReferencesAarts, 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.
Referenced on Wolfram|AlphaQuadratic Phase Array
Cite this as:
Weisstein, Eric W. "Quadratic Phase Array."
From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/QuadraticPhaseArray.html