radio Doppler

radio Doppler

[′rād·ē·ō ′däp·lər]
(engineering)
Direct determination of the radial component of the relative velocity of an object by an observed frequency change due to such velocity.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
these 'mascons' comes from small changes noted in the motion of Lunar Orbiter 5, when very precise radio Doppler tracking was continued for 80 consecutive circuits of the moon....
The open-loop recording of radio Doppler and signal spectrum transmitted by the NASA mission were stored on Mars Express and then downloaded to Earth.
The flyby, at a planned altitude of just 50 km, will collect very precise radio Doppler data to help determine the moon's gravity field more accurately than ever.
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