The Doppler effect (also Doppler shift) is the change in the frequency of a wave in relation to an observer who is moving relative to the source of the...

The relativistic Doppler effect is the change in frequency, wavelength and amplitude of light, caused by the relative motion of the source and the observer...

A Doppler radar is a specialized radar that uses the Doppler effect to produce velocity data about objects at a distance. It does this by bouncing a microwave...

known as the Doppler effect – that the observed frequency of a wave depends on the relative speed of the source and the observer. Doppler was born in Salzburg...

Doppler ultrasonography is medical ultrasonography that employs the Doppler effect to perform imaging of the movement of tissues and body fluids (usually...

connecting them (longitudinal Doppler effect), and (2) the motions are at right angles to the said line (transverse Doppler effect). We are ignoring scenarios...

mechanics.: 98  Other effects include the relativistic corrects to the Doppler effect and the Thomas precession. It also explains how electricity and magnetism...

0.27s before the train passed. This effect of moving objects on observations is associated with the Doppler effect. Time dilation by the Lorentz factor...

In atomic physics, Doppler broadening is broadening of spectral lines due to the Doppler effect caused by a distribution of velocities of atoms or molecules...

physics, relativistic beaming (also known as Doppler beaming, Doppler boosting, or the headlight effect) is the process by which relativistic effects...

systems use this principle into Doppler radar and pulse-Doppler radar systems (weather radar, military radar). The Doppler effect is only able to determine...

The photoacoustic Doppler effect is a type of Doppler effect that occurs when an intensity modulated light wave induces a photoacoustic wave on moving...

A pulse-Doppler radar is a radar system that determines the range to a target using pulse-timing techniques, and uses the Doppler effect of the returned...

the Doppler shifted signal will become modulated. This additional Doppler effect causing the modulation of the signal is known as the micro-Doppler effect...

detecting a change in frequency of the returned radar signal caused by the Doppler effect, whereby the frequency of the returned signal is increased in proportion...

transducer used to detect the fetal heartbeat for prenatal care. It uses the Doppler effect to provide an audible simulation of the heart beat. Some models also...

heart while the use of Doppler technology allows determination of the speed and direction of blood flow by utilizing the Doppler effect. An echocardiogram...

Robert Kirchhoff had first defined in 1859–1860." The relativistic Doppler effect causes a shift in the frequency f of light originating from a source...

phenomena which are associated with the Doppler effect. The effect is named after the Austrian mathematician Christian Doppler, who offered the first known physical...

way of avoiding acceleration effects is the use of the relativistic Doppler effect . Neither Einstein nor Langevin considered such results to be problematic:...

absorb more photons if they move towards the light source, due to the Doppler effect. Consider the simplest case of 1D motion on the x axis. Let the photon...

used to measure water current velocities over a depth range using the Doppler effect of sound waves scattered back from particles within the water column...

Look up Doppler in Wiktionary, the free dictionary. Doppler (Doppler effect or Doppler shift) is the frequency change of a wave for observer relative to...

that counter-propagates with respect to the atom's motion due to the Doppler effect. The absorbed light is re-emitted by the atom in a random direction...

Doppler effect (Doppler effects) (radio frequency propagation) (wave mechanics) Downing effect (psychology) Dresselhaus effect (physics) Droste effect (artistic...

transformation of the four-wavevector is one way to derive the relativistic Doppler effect. The Lorentz matrix is defined as Λ = ( γ − β γ   0     0   − β γ γ...

Δ v {\displaystyle \Delta v} that can be distinguished through the Doppler effect. Then, the resolution is Δ v {\displaystyle \Delta v} and the resolving...

challenging weather phenomena such as tornados. The name refers to the Doppler effect at the basis of modern weather radar technology. The first DOW platform...

moving, pulsed source distributions: The 3D time-domain relativistic Doppler effect". Wave Motion. 46 (1): 74–77. Bibcode:2009WaMot..46...74D. doi:10.1016/j...

rather than in water. More specifically, since they operate using the Doppler effect with a multi-beam configuration to determine wind speed, they are the...