flutter echo

flutter echo

[′fləd·ər ‚ek·ō]
(acoustics)
A multiple echo in which the reflections rapidly follow each other.
(electromagnetism)
A radar echo consisting of a rapid succession of reflected pulses resulting from a single transmitted pulse.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

flutter echo

A rapid succession of echoes
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
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Integrate new acoustic materials into the wet areas to control at least high-frequency flutter echoes. New sheer drapery textiles are available from several large textile firms that, according to testing, have a noise reduction rating as high as 0.7.