Quadratic Phase Array
المؤلف:
Aarts, R. M. and Janssen, A. J. E. M.
المصدر:
"On Analytic Design of Loudspeaker Arrays with Uniform Radiation Characteristics." J. Acoust. Soc. Amer. 107
الجزء والصفحة:
287-292
23-12-2021
2577
Quadratic Phase Array
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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