doppler
51Doppler principleDoppler's principle — Doppler principle, Doppler s principle /dopˈlər(z) prinˈsi pl/ noun The law of change of wave frequency (Doppler effect or shift) when a source of vibrations is moving towards or from the observer, explaining the fall of pitch of a railway… …
52Doppler echocardiography — n Doppler ultrasound used to measure cardiovascular blood flow velocity for diagnostic purposes (as for evaluating valve function) * * * an echocardiographic technique that records the flow of red blood cells through the cardiovascular system by… …
53Doppler, examen — m. mét. explor. Prueba diagnóstica basada en el mismo principio que la ecografía, pero que permite visualizar la circulación sanguínea en los diferentes órganos del cuerpo. Se utiliza para estudiar los movimientos de la sangre en el corazón, para …
54Doppler effect — (also Doppler shift) ► NOUN Physics ▪ an increase (or decrease) in the apparent frequency of sound, light, or other waves as the source and the observer move towards (or away from) each other. ORIGIN named after the Austrian physicist Johann… …
55Doppler Orbitography and Radiopositioning Integrated by Satellite — Doppler Orbitography and Radiopositioning Integrated by Satellite, kurz DORIS, ist ein System der Satellitengeodäsie, das etwa 50 spezielle Bodenstationen umfasst. Es dient zur genauen Bahnbestimmung von Satellitenbahnen mit Hilfe des… …
56Doppler,Christian Johann — Doppler, Christian Johann. 1803 1853. Austrian physicist and mathematician who first enunciated the principle known as the Doppler effect in 1842. * * * …
57Doppler shift — n. the shift in frequency, usually measured in hertz, due to the Doppler effect * * * …
58Doppler effect — [däp′lər] n. [after C. Doppler (1803 53), Austrian mathematician and physicist] the apparent change of frequency of sound waves or light waves, varying with the relative velocity of the source and the observer: if the source and observer are… …
59Doppler shift — n. the shift in frequency, usually measured in hertz, due to the Doppler effect …
60Doppler relativista — Doppler relativista, efecto …
