radar signal spectrograph

radar signal spectrograph

[′rā‚där ¦sig·nəl ′spek·trə‚graf]
(electronics)
An electronic device in the form of a scanning filter which provides a frequency analysis of the amplitude-modulated back-scattered signal.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.