- Doppler signal frequency
- частота доплеровского сигнала
English-russian astronautics dictionary. - M.: Military Publishing house. Compiled by F. P. Suprun, K. V. Shirokov. 1964.
Doppler signal frequency
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Doppler ultrasound — n ultrasound that utilizes the Doppler effect to measure movement or flow in the body and esp. blood flow called also Doppler ultrasonography * * * a diagnostic technique that utilizes the fact that the frequency of ultrasound waves changes when… … Medical dictionary
Doppler ultrasound — a diagnostic technique that utilizes the fact that the frequency of sound or light waves changes when they are reflected from a moving surface (the Doppler effect). It is used to study the flow in blood vessels and the movement of blood in the… … The new mediacal dictionary
Doppler radar — Doppler effect A Doppler radar is a specialized radar that makes use of the Doppler effect to produce velocity data about objects at a distance. It does this by beaming a microwave signal towards a desired target and listening for its reflection … Wikipedia
Doppler echocardiography — Intervention Mitral valve MeSH … Wikipedia
Doppler effect — Change of wavelength caused by motion of the source. An animation illustrating how the Doppler effect causes a car engine or siren to soun … Wikipedia
Doppler VOR — A VOR (very high frequency omnidirectional radio range), which by using Doppler principles reduces the errors in bearings caused by the reflection of RF (radio frequency) energy from objects near the ground. In the Doppler VOR system, the carrier … Aviation dictionary
Doppler shift — In airborne Doppler radar, a transmitter which, by means of a directional antenna, radiates energy toward the ground. This results in a situation in which both the transmitter and the receiver are moving relative to the ground; consequently the… … Aviation dictionary
Doppler-Radar — Radar ist die Abkürzung für Radio Detection and Ranging (frei übersetzt: „Funkortung und abstandsmessung“), ursprünglich Radio Aircraft Detection and Ranging (frei übersetzt: „Funkbasierte Flugzeugortung und abstandsmessung“) und ist die… … Deutsch Wikipedia
Doppler spectroscopy — Diagram showing how a smaller object (such as an extrasolar planet) orbiting a larger object (such as a star) could produce changes in position and velocity of the latter as they orbit their common center of mass (red cross). Doppler spectroscopy … Wikipedia
Doppler radar — Electronics. a radar tracking system that determines the velocity of a moving object by measuring the Doppler shift of the frequency of a radar signal reflected by the object. Cf. DOVAP. [1955 60] * * * … Universalium
Pulse-Doppler radar — Pulse Doppler is a radar system capable of not only detecting target location (bearing, range, and altitude), but also measuring its radial velocity (range rate). It uses the Doppler effect to determine the relative velocity of objects; pulses of … Wikipedia
