constant-distance sphere

constant-distance sphere

[¦kän·stənt ′dis·təns ‚sfir]
(engineering acoustics)
The relative response of a sonar projector to variations in acoustic intensity, or intensity per unit band, over the surface of a sphere concentric with its center.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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