Logo
Unionpedia
Communication
Get it on Google Play
New! Download Unionpedia on your Android™ device!
Install
Faster access than browser!
 

Doppler effect

Index Doppler effect

The Doppler effect (or the Doppler shift) is the change in frequency or wavelength of a wave in relation to observer who is moving relative to the wave source. [1]

83 relations: Acoustic Doppler velocimetry, Anatomical terms of location, Astronomy, Austria, Über das farbige Licht der Doppelsterne und einiger anderer Gestirne des Himmels, Binary star, Blueshift, Bristol, C. H. D. Buys Ballot, Cambridge University Press, Cardiac output, Chemical element, Christian Doppler, Contrast-enhanced ultrasound, Crest and trough, Differential Doppler effect, Doppler cooling, Doppler spectroscopy, Dopplergraph, Echocardiography, Electromagnetic radiation, Electron, Embryo, Emergency vehicle, English language, Fading, Fizeau experiment, Frequency, Friedmann–Lemaître–Robertson–Walker metric, Galaxy, Gene expression, General relativity, Gravity, Hammond organ, Hippolyte Fizeau, Hubble's law, John Dobson (amateur astronomer), John Scott Russell, Laser Doppler velocimetry, Laser Doppler vibrometer, Leslie speaker, Light, List of nearest stars and brown dwarfs, Medical ultrasound, Mesoderm, Monotonic function, National Center for Supercomputing Applications, Neurology, Observer (physics), Obstetric ultrasonography, ..., Ogg, Philomaths, Photoacoustic Doppler effect, Pitch (music), Proximity fuze, Radar, Radial velocity, Rayleigh fading, Redshift, Redshift-space distortions, Relative velocity, Relativistic Doppler effect, Scratch (programming language), Segmentation (biology), Siren (alarm), Somite, Sound, Spectral line, Spectroscopy, Star, Stenosis, Sun, Ultrasound, United Kingdom, Vehicle, Velocity, Vertebra, Vertebrate, Victor Veselago, Visible spectrum, Wave, Wavelength, Zebrafish. Expand index (33 more) »

Acoustic Doppler velocimetry

Acoustic Doppler velocimetry (ADV) is designed to record instantaneous velocity components at a single-point with a relatively high frequency.

New!!: Doppler effect and Acoustic Doppler velocimetry · See more »

Anatomical terms of location

Standard anatomical terms of location deal unambiguously with the anatomy of animals, including humans.

New!!: Doppler effect and Anatomical terms of location · See more »

Astronomy

Astronomy (from ἀστρονομία) is a natural science that studies celestial objects and phenomena.

New!!: Doppler effect and Astronomy · See more »

Austria

Austria (Österreich), officially the Republic of Austria (Republik Österreich), is a federal republic and a landlocked country of over 8.8 million people in Central Europe.

New!!: Doppler effect and Austria · See more »

Über das farbige Licht der Doppelsterne und einiger anderer Gestirne des Himmels

Über das farbige Licht der Doppelsterne und einiger anderer Gestirne des Himmels is a treatise by Christian Doppler (1842) in which he postulated his principle that the observed frequency changes if either the source or the observer is moving, which later has been coined the Doppler effect.

New!!: Doppler effect and Über das farbige Licht der Doppelsterne und einiger anderer Gestirne des Himmels · See more »

Binary star

A binary star is a star system consisting of two stars orbiting around their common barycenter.

New!!: Doppler effect and Binary star · See more »

Blueshift

A blueshift is any decrease in wavelength, with a corresponding increase in frequency, of an electromagnetic wave; the opposite effect is referred to as redshift.

New!!: Doppler effect and Blueshift · See more »

Bristol

Bristol is a city and county in South West England with a population of 456,000.

New!!: Doppler effect and Bristol · See more »

C. H. D. Buys Ballot

Christophorus Henricus Diedericus Buys Ballot (October 10, 1817 – February 3, 1890) was a Dutch chemist and meteorologist after whom Buys Ballot's law and the Buys Ballot table are named.

New!!: Doppler effect and C. H. D. Buys Ballot · See more »

Cambridge University Press

Cambridge University Press (CUP) is the publishing business of the University of Cambridge.

New!!: Doppler effect and Cambridge University Press · See more »

Cardiac output

Cardiac output (CO, also denoted by the symbols Q and \dot Q_), is a term used in cardiac physiology that describes the volume of blood being pumped by the heart, in particular by the left or right ventricle, per unit time.

New!!: Doppler effect and Cardiac output · See more »

Chemical element

A chemical element is a species of atoms having the same number of protons in their atomic nuclei (that is, the same atomic number, or Z).

New!!: Doppler effect and Chemical element · See more »

Christian Doppler

Christian Andreas Doppler (29 November 1803 – 17 March 1853) was an Austrian mathematician and physicist.

New!!: Doppler effect and Christian Doppler · See more »

Contrast-enhanced ultrasound

Contrast-enhanced ultrasound (CEUS) is the application of ultrasound contrast medium to traditional medical sonography.

New!!: Doppler effect and Contrast-enhanced ultrasound · See more »

Crest and trough

A crest is the point on a wave with the maximum value of upward displacement within a cycle.

New!!: Doppler effect and Crest and trough · See more »

Differential Doppler effect

The Differential Doppler effect occurs when light is emitted from a rotating source.

New!!: Doppler effect and Differential Doppler effect · See more »

Doppler cooling

Doppler cooling is a mechanism that can be used to trap and slow the motion of atoms to cool a substance.

New!!: Doppler effect and Doppler cooling · See more »

Doppler spectroscopy

Doppler spectroscopy (also known as the radial-velocity method, or colloquially, the wobble method) is an indirect method for finding extrasolar planets and brown dwarfs from radial-velocity measurements via observation of Doppler shifts in the spectrum of the planet's parent star.

New!!: Doppler effect and Doppler spectroscopy · See more »

Dopplergraph

The word dopplergraph is a combination of the words doppler and photograph.

New!!: Doppler effect and Dopplergraph · See more »

Echocardiography

An echocardiogram, often referred to as a cardiac echo or simply an echo, is a sonogram of the heart.

New!!: Doppler effect and Echocardiography · See more »

Electromagnetic radiation

In physics, electromagnetic radiation (EM radiation or EMR) refers to the waves (or their quanta, photons) of the electromagnetic field, propagating (radiating) through space-time, carrying electromagnetic radiant energy.

New!!: Doppler effect and Electromagnetic radiation · See more »

Electron

The electron is a subatomic particle, symbol or, whose electric charge is negative one elementary charge.

New!!: Doppler effect and Electron · See more »

Embryo

An embryo is an early stage of development of a multicellular diploid eukaryotic organism.

New!!: Doppler effect and Embryo · See more »

Emergency vehicle

An emergency vehicle is any vehicle that is designated and authorized to respond to an emergency in a life-threatening situation.

New!!: Doppler effect and Emergency vehicle · See more »

English language

English is a West Germanic language that was first spoken in early medieval England and is now a global lingua franca.

New!!: Doppler effect and English language · See more »

Fading

In wireless communications, fading is variation or the attenuation of a signal with various variables.

New!!: Doppler effect and Fading · See more »

Fizeau experiment

The Fizeau experiment was carried out by Hippolyte Fizeau in 1851 to measure the relative speeds of light in moving water.

New!!: Doppler effect and Fizeau experiment · See more »

Frequency

Frequency is the number of occurrences of a repeating event per unit of time.

New!!: Doppler effect and Frequency · See more »

Friedmann–Lemaître–Robertson–Walker metric

The Friedmann–Lemaître–Robertson–Walker (FLRW) metric is an exact solution of Einstein's field equations of general relativity; it describes a homogeneous, isotropic, expanding or contracting universe that is path connected, but not necessarily simply connected.

New!!: Doppler effect and Friedmann–Lemaître–Robertson–Walker metric · See more »

Galaxy

A galaxy is a gravitationally bound system of stars, stellar remnants, interstellar gas, dust, and dark matter.

New!!: Doppler effect and Galaxy · See more »

Gene expression

Gene expression is the process by which information from a gene is used in the synthesis of a functional gene product.

New!!: Doppler effect and Gene expression · See more »

General relativity

General relativity (GR, also known as the general theory of relativity or GTR) is the geometric theory of gravitation published by Albert Einstein in 1915 and the current description of gravitation in modern physics.

New!!: Doppler effect and General relativity · See more »

Gravity

Gravity, or gravitation, is a natural phenomenon by which all things with mass or energy—including planets, stars, galaxies, and even light—are brought toward (or gravitate toward) one another.

New!!: Doppler effect and Gravity · See more »

Hammond organ

The Hammond organ is an electric organ, invented by Laurens Hammond and John M. Hanert and first manufactured in 1935.

New!!: Doppler effect and Hammond organ · See more »

Hippolyte Fizeau

Armand Hippolyte Louis Fizeau FRS FRSE MIF (23 September 181918 September 1896) was a French physicist, best known for measuring the speed of light in the namesake Fizeau experiment.

New!!: Doppler effect and Hippolyte Fizeau · See more »

Hubble's law

Hubble's law is the name for the observation in physical cosmology that.

New!!: Doppler effect and Hubble's law · See more »

John Dobson (amateur astronomer)

John Lowry Dobson (September 14, 1915 – January 15, 2014) was an amateur astronomer and is best known for the Dobsonian telescope, a portable, low-cost Newtonian reflector telescope.

New!!: Doppler effect and John Dobson (amateur astronomer) · See more »

John Scott Russell

John Scott Russell FRSE FRS (9 May 1808, Parkhead, Glasgow – 8 June 1882, Ventnor, Isle of Wight) was a Scottish civil engineer, naval architect and shipbuilder who built the Great Eastern in collaboration with Isambard Kingdom Brunel.

New!!: Doppler effect and John Scott Russell · See more »

Laser Doppler velocimetry

Laser Doppler velocimetry (LDV), also known as laser Doppler anemometry (LDA), is the technique of using the Doppler shift in a laser beam to measure the velocity in transparent or semi-transparent fluid flows, or the linear or vibratory motion of opaque, reflecting, surfaces.

New!!: Doppler effect and Laser Doppler velocimetry · See more »

Laser Doppler vibrometer

A laser Doppler vibrometer (LDV) is a scientific instrument that is used to make non-contact vibration measurements of a surface.

New!!: Doppler effect and Laser Doppler vibrometer · See more »

Leslie speaker

The Leslie speaker is a combined amplifier and loudspeaker that projects the signal from an electric or electronic instrument and modifies the sound by rotating the loudspeakers.

New!!: Doppler effect and Leslie speaker · See more »

Light

Light is electromagnetic radiation within a certain portion of the electromagnetic spectrum.

New!!: Doppler effect and Light · See more »

List of nearest stars and brown dwarfs

The following two lists include all the known stars and brown dwarfs that are within of the Sun, or were/will be within in the astronomically near past or future.

New!!: Doppler effect and List of nearest stars and brown dwarfs · See more »

Medical ultrasound

Medical ultrasound (also known as diagnostic sonography or ultrasonography) is a diagnostic imaging technique based on the application of ultrasound.

New!!: Doppler effect and Medical ultrasound · See more »

Mesoderm

In all bilaterian animals, the mesoderm is one of the three primary germ layers in the very early embryo.

New!!: Doppler effect and Mesoderm · See more »

Monotonic function

In mathematics, a monotonic function (or monotone function) is a function between ordered sets that preserves or reverses the given order.

New!!: Doppler effect and Monotonic function · See more »

National Center for Supercomputing Applications

The National Center for Supercomputing Applications (NCSA) is a state-federal partnership to develop and deploy national-scale cyberinfrastructure that advances research, science and engineering based in the United States of America.

New!!: Doppler effect and National Center for Supercomputing Applications · See more »

Neurology

Neurology (from νεῦρον (neûron), "string, nerve" and the suffix -logia, "study of") is a branch of medicine dealing with disorders of the nervous system.

New!!: Doppler effect and Neurology · See more »

Observer (physics)

The term observer has a number of non-equivalent uses in science.

New!!: Doppler effect and Observer (physics) · See more »

Obstetric ultrasonography

Obstetric ultrasonography is the use of medical ultrasonography in pregnancy, in which sound waves are used to create real-time visual images of the developing embryo or fetus in its mother's uterus (womb).

New!!: Doppler effect and Obstetric ultrasonography · See more »

Ogg

Ogg is a free, open container format maintained by the Xiph.Org Foundation.

New!!: Doppler effect and Ogg · See more »

Philomaths

The Philomaths, or Philomath Society (Filomaci or Towarzystwo Filomatów; from the Greek φιλομαθεῖς "lovers of knowledge"), was a secret student organization that existed from 1817 to 1823 at the Imperial University of Vilnius.

New!!: Doppler effect and Philomaths · See more »

Photoacoustic Doppler effect

The photoacoustic Doppler effect, as its name implies, is one specific kind of Doppler effect, which occurs when an intensely modulated light wave induces a photoacoustic wave on moving particles with a specific frequency.

New!!: Doppler effect and Photoacoustic Doppler effect · See more »

Pitch (music)

Pitch is a perceptual property of sounds that allows their ordering on a frequency-related scale, or more commonly, pitch is the quality that makes it possible to judge sounds as "higher" and "lower" in the sense associated with musical melodies.

New!!: Doppler effect and Pitch (music) · See more »

Proximity fuze

A proximity fuze is a fuze that detonates an explosive device automatically when the distance to the target becomes smaller than a predetermined value.

New!!: Doppler effect and Proximity fuze · See more »

Radar

Radar is an object-detection system that uses radio waves to determine the range, angle, or velocity of objects.

New!!: Doppler effect and Radar · See more »

Radial velocity

The radial velocity of an object with respect to a given point is the rate of change of the distance between the object and the point.

New!!: Doppler effect and Radial velocity · See more »

Rayleigh fading

Rayleigh fading is a statistical model for the effect of a propagation environment on a radio signal, such as that used by wireless devices.

New!!: Doppler effect and Rayleigh fading · See more »

Redshift

In physics, redshift happens when light or other electromagnetic radiation from an object is increased in wavelength, or shifted to the red end of the spectrum.

New!!: Doppler effect and Redshift · See more »

Redshift-space distortions

Redshift-space distortions are an effect in observational cosmology where the spatial distribution of galaxies appears squashed and distorted when their positions are plotted in redshift-space (i.e. as a function of their redshift) rather than in real-space (as a function of their actual distance).

New!!: Doppler effect and Redshift-space distortions · See more »

Relative velocity

The relative velocity \vec_ (also \vec_ or \vec_) is the velocity of an object or observer B in the rest frame of another object or observer A.

New!!: Doppler effect and Relative velocity · See more »

Relativistic Doppler effect

The relativistic Doppler effect is the change in frequency (and wavelength) of light, caused by the relative motion of the source and the observer (as in the classical Doppler effect), when taking into account effects described by the special theory of relativity.

New!!: Doppler effect and Relativistic Doppler effect · See more »

Scratch (programming language)

Scratch is a visual programming language and online community targeted primarily at children.

New!!: Doppler effect and Scratch (programming language) · See more »

Segmentation (biology)

Segmentation in biology is the division of some animal and plant body plans into a series of repetitive segments.

New!!: Doppler effect and Segmentation (biology) · See more »

Siren (alarm)

A siren is a loud noise-making device.

New!!: Doppler effect and Siren (alarm) · See more »

Somite

Somites (outdated: primitive segments) are divisions of the body of an animal or embryo.

New!!: Doppler effect and Somite · See more »

Sound

In physics, sound is a vibration that typically propagates as an audible wave of pressure, through a transmission medium such as a gas, liquid or solid.

New!!: Doppler effect and Sound · See more »

Spectral line

A spectral line is a dark or bright line in an otherwise uniform and continuous spectrum, resulting from emission or absorption of light in a narrow frequency range, compared with the nearby frequencies.

New!!: Doppler effect and Spectral line · See more »

Spectroscopy

Spectroscopy is the study of the interaction between matter and electromagnetic radiation.

New!!: Doppler effect and Spectroscopy · See more »

Star

A star is type of astronomical object consisting of a luminous spheroid of plasma held together by its own gravity.

New!!: Doppler effect and Star · See more »

Stenosis

A stenosis is an abnormal narrowing in a blood vessel or other tubular organ or structure.

New!!: Doppler effect and Stenosis · See more »

Sun

The Sun is the star at the center of the Solar System.

New!!: Doppler effect and Sun · See more »

Ultrasound

Ultrasound is sound waves with frequencies higher than the upper audible limit of human hearing.

New!!: Doppler effect and Ultrasound · See more »

United Kingdom

The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain,Usage is mixed with some organisations, including the and preferring to use Britain as shorthand for Great Britain is a sovereign country in western Europe.

New!!: Doppler effect and United Kingdom · See more »

Vehicle

A vehicle (from vehiculum) is a machine that transports people or cargo.

New!!: Doppler effect and Vehicle · See more »

Velocity

The velocity of an object is the rate of change of its position with respect to a frame of reference, and is a function of time.

New!!: Doppler effect and Velocity · See more »

Vertebra

In the vertebrate spinal column, each vertebra is an irregular bone with a complex structure composed of bone and some hyaline cartilage, the proportions of which vary according to the segment of the backbone and the species of vertebrate.

New!!: Doppler effect and Vertebra · See more »

Vertebrate

Vertebrates comprise all species of animals within the subphylum Vertebrata (chordates with backbones).

New!!: Doppler effect and Vertebrate · See more »

Victor Veselago

Victor Georgievich Veselago (born 13 June 1929 in Ukrainian SSR, USSR) is a Russian physicist.

New!!: Doppler effect and Victor Veselago · See more »

Visible spectrum

The visible spectrum is the portion of the electromagnetic spectrum that is visible to the human eye.

New!!: Doppler effect and Visible spectrum · See more »

Wave

In physics, a wave is a disturbance that transfers energy through matter or space, with little or no associated mass transport.

New!!: Doppler effect and Wave · See more »

Wavelength

In physics, the wavelength is the spatial period of a periodic wave—the distance over which the wave's shape repeats.

New!!: Doppler effect and Wavelength · See more »

Zebrafish

The zebrafish (Danio rerio) is a freshwater fish belonging to the minnow family (Cyprinidae) of the order Cypriniformes.

New!!: Doppler effect and Zebrafish · See more »

Redirects here:

Aberration redshift, Acoustic Doppler effect, Change in notes of cats effect, Dopler effect, Dopler shift, Doppeler effect, Dopplar Effect, Doppler Effect, Doppler Shift, Doppler equations, Doppler shift, Doppler spectra, Doppler's effect, Doppler-Fizeau effect, Doppler-shifted, Doppler–Fizeau effect, Inverse Doppler effect, The Doppler Effect, The Doppler effect.

References

[1] https://en.wikipedia.org/wiki/Doppler_effect

OutgoingIncoming
Hey! We are on Facebook now! »