Essays Tagged: "Doppler effect"

Ultrasound- this paper is on the different kinds of utrasound, the many uses of ultrasound and the dangers. there is a Bibliography

here are different kinds of ultrasound they are two-dimensional image, 3D ultrasound imagining, and Doppler ultrasound.Doppler ultrasound is based on the Doppler effect. (Doppler effect is whenever re ... uency changes depends on how fast the object is moving. TO calculate how fast and object is moving, Doppler ultrasounds measure the change in frequency of the echoes. Doppler ultrasound is used to mea ...

(1 pages) 84 1 5.0 Jan/2003

Subjects: Science Essays

Observing Stars.

nalysis of elements (by emission and absorption spectra); to detect the motion of bodies due to the Doppler effect; and in investigation into the early Universe and the Big Bang. We can analyse radio ... oving away from us, because the spectra lines from some are shown to have been shifted. This is the Doppler effect, where the spectrum lines are displaced, because their wavelengths have been changed. ...

(11 pages) 97 1 2.3 Dec/2003

Subjects: Science Essays > Physics


BASIC RADAR, SONAR, & DOPPLER THEORYRADARThe term RADAR is an acronym made up of the words radio detection and ranging. In ... r systems are capable of telling us direction the echo comes from, direction of movement, and using Doppler effect, speed. High tech radar systems also have a high degree of resolution. In other words ... an be critical to the military who needs to know if there is one airplane flying inbound or several.DOPPLERThe technical gist of Doppler Theory as related to sound waves or EM waves is the change in t ...

(7 pages) 50 1 3.9 Sep/2004

Subjects: Science Essays > Technology

The big bang- how the universe began

universe is wrong because the cosmological red shift is due to the Compton Effect, rather than the Doppler effect. The author argues that the Compton Effect is a much clearer understanding to red shi ... ntrated at or very near the objects surface.Also, the red shift, interpreted on the sun cannot be a Doppler Effect, due to the fact the sun is not receding away from the Solar System. Using the Compto ...

(4 pages) 76 0 3.0 Oct/2004

Subjects: Science Essays > Astronomy

Debunking Physics

increase in the wavelength.This is what physicists call redshift. He interpreted this redshift as a Doppler Effect indicating that the galaxies are moving away from our point of observation. He furthe ...

(15 pages) 11 0 5.0 Feb/2008

Subjects: Science Essays > Physics