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Physical parameter commonly used in astrophysics
The Doppler parameter, or Doppler broadening parameter, usually denoted as b {\displaystyle b} , is a parameter commonly used in astrophysics to characterize
Doppler_parameter
Fleet of truck-mounted weather radars
Doppler on Wheels (DOW) is a fleet of quickly deployable truck-mounted weather radars managed by FARM (Flexible Array of Radars and Mesonets), an American
Doppler_on_Wheels
Change in wavelength of light
a blueshift. Three forms of redshift occur in astronomy and cosmology: Doppler redshifts due to the relative motions of radiation sources, gravitational
Redshift
Observation in physical cosmology
notion of a static universe. In 1912, Vesto M. Slipher measured the first Doppler shift of a "spiral nebula" (the obsolete term for spiral galaxies) and
Hubble's_law
Meter used to measure water current velocities
An acoustic doppler current profiler (ADCP) is a hydroacoustic current meter similar to a sonar, used to measure water current velocities over a depth
Acoustic Doppler current profiler
Acoustic_Doppler_current_profiler
Radio wave detection and transmission system defined by its separation
information content in measurements of range, bearing and Doppler becomes very low (all these parameters tend to zero, regardless of the location of the target
Bistatic_radar
Geodetic reference system
Satellite System (NNSS). Doppler data was also available from the numerous sites established by GEOCEIVERS during 1971 and 1972. Doppler data was the primary
World_Geodetic_System
Medical imaging technique of the heart
the heart. It is a type of medical imaging, using standard ultrasound or Doppler ultrasound. The visual image formed using this technique is called an echocardiogram
Echocardiography
Parameter-free superresolution algorithm
single scalar parameter θ k {\displaystyle \theta _{k}} . A typical application with the SAMV algorithm in SISO radar/sonar range-Doppler imaging problem
SAMV_(algorithm)
Indirect method for finding extrasolar planets and brown dwarfs
Doppler spectroscopy (also known as the radial-velocity method, or colloquially, the wobble method) is an indirect method for finding extrasolar planets
Doppler_spectroscopy
Form of radar used to create images of landscapes
Doppler technique. It is based on the fact that "radar reflections from discrete objects in a passing radar beam field each [have] a minute Doppler,
Synthetic-aperture_radar
Laser cooling technique
physics, sub-Doppler cooling is a class of laser cooling techniques that reduce the temperature of atoms and molecules below the Doppler cooling limit
Sub-Doppler_cooling
In medicine, Esophageal Doppler or Oesophageal Doppler uses a small ultrasound probe inserted into the esophagus through the nose or mouth to measure blood
Esophageal_doppler
Equations in physical cosmology
S_{-1}(r)=\sinh(r),S_{0}=1,S_{1}=\sin(r).} These three possibilities correspond to parameter k of (0) flat space, (+1) a sphere of constant positive curvature or (−1)
Friedmann_equations
Cosmological time duration
galaxies showed a red shift in their spectral lines presumably caused by the Doppler effect, thus indicating that these galaxies were moving away from the Earth
Age_of_the_universe
Method of spatial measurement using laser
changes of the reflected light) and coherent detection (best for measuring Doppler shifts, or changes in the phase of the reflected light). Coherent systems
Lidar
Change in luminosity of a moving object due to special relativity
In physics, relativistic beaming (also known as Doppler beaming, Doppler boosting, or the headlight effect) is the process by which relativistic effects
Relativistic_beaming
Feature observed in spectroscopy
functions, whose parameters are the line position, maximum height and half-width. Actual line shapes are determined principally by Doppler, collision and
Spectral_line_shape
bat approaches a target, its outgoing sounds return as echoes, which are Doppler shifted upward in frequency. In certain species of bats, which produce
Doppler_shift_compensation
1995 video game
Sigma, the heroes X and Zero must battle a Reploid scientist named Dr. Doppler and his utopia of Maverick followers. Mega Man X3 follows the tradition
Mega_Man_X3
Photon Doppler velocimetry (PDV) is a one-dimensional Fourier transform analysis of a heterodyne laser interferometry, used in the shock physics community
Photon_Doppler_velocimetry
Aviation navigation system
improve azimuth accuracy of VOR even under difficult siting conditions, Doppler VOR (DVOR) was developed in the 1960s. VOR is according to ICAO rules a
VHF_omnidirectional_range
Weather radar tuned to cloud detection
correct the Doppler spectrum, so that the retrieved microphysical parameters can be improved and the uncertainties decreased. The skewness parameter of the
Millimeter_cloud_radar
Thought experiment in special relativity
each other at a constant rate, which places Langevin's story among the Doppler shift versions of the twin paradox. The relativistic effects upon the signal
Twin_paradox
(Zak-Orthogonal Time Frequency Space) waveform, which operates in the delay-Doppler domain rather than the traditional time-frequency domain used by OFDM (Orthogonal
Pulsone
French civilian geopositioning system
movement of the satellite (Doppler effect). From this observation satellite orbits, ground positions, as well as other parameters can be derived. DORIS is
DORIS_(satellite_system)
Investigative astrophysics technique
; Wade, G. A. (2015-05-29). "First Zeeman Doppler Imaging of a Cool Star Using All Four Stokes Parameters". The Astrophysical Journal. 805 (2): 169.
Zeeman–Doppler_imaging
2011 EF5 tornado in Oklahoma
with peak wind speeds in excess of 210 mph (340 km/h), although a mobile Doppler radar found that the tornado possessed wind speeds of up to 295 mph (475 km/h)
2011_El_Reno–Piedmont_tornado
Measurement of blood pumped by the heart
method uses ultrasound and the Doppler effect to measure cardiac output. The blood velocity through the heart causes a Doppler shift in the frequency of the
Cardiac_output
Theory of interwoven space and time by Albert Einstein
Newtonian mechanics. Other effects include the relativistic corrections to the Doppler effect and the Thomas precession. It also explains how electricity and
Special_relativity
Radio signal statistical model
single-path Rayleigh fading channel with a maximum Doppler shift of 10 Hz and 100 Hz. These Doppler shifts correspond to velocities of about 6 km/h (4 mph)
Rayleigh_fading
Distinctive narrow spectral feature of chemical species
velocities. Each photon emitted will be "red"- or "blue"-shifted by the Doppler effect depending on the velocity of the atom relative to the observer.
Spectral_line
Mathematical model of the Big Bang
decay of supernova luminosity curves. Both effects are attributed to a Doppler shift in electromagnetic radiation as it travels across expanding space
Lambda-CDM_model
Numerical manipulation of Doppler parameters obtain during routine Echocardiography has been extensively utilized to non-invasively estimate intra-cardiac
Numerical modeling in echocardiography
Numerical_modeling_in_echocardiography
Mathematical model combining space and time
connecting them (longitudinal Doppler effect), and (2) the motions are at right angles to the said line (transverse Doppler effect). We are ignoring scenarios
Spacetime
2014 video game
Earn to Die 2 Developer Toffee Games Publisher Not Doppler Platforms iOS, Android, Microsoft Windows Release November 20, 2014 May 5, 2016 (PC) Genre
Earn_to_Die_2
Medical condition where an erection lasts excessively long
while if the high-flow type is present, the pH is typically normal. Color Doppler ultrasound may also help differentiate the two. Testing a person to make
Priapism
Compact astronomical body
it. The mass of distant supermassive black holes can be inferred from Doppler broadening of spectral lines emitted by rapidly orbiting gas, a technique
Black_hole
2002 animated Disney film
Jim flees with Sarah and their friend, astrophysicist Dr. Delbert Doppler. At Doppler's observatory, they discover that the sphere contains a holographic
Treasure_Planet
Medical intervention
is sometimes known as Doppler auscultation. The Doppler fetal monitor is commonly referred to simply as a Doppler or fetal Doppler and provides information
Medical_ultrasound
Main belt asteroid
3905 Doppler, provisional designation 1984 QO, is a stony asteroid and binary system from the middle region of the asteroid belt, approximately 8 kilometers
3905_Doppler
Dynamic disturbance in a medium or field
that white light was a mixture of light of different colors. The Doppler effect or Doppler shift is the change in frequency of a wave in relation to an observer
Wave
Process of calculating the causal factors that produced a set of observations
lines we can observe on a spectral profile will be shifted due to Doppler effect. Doppler tomography aims at converting the information contained in spectral
Inverse_problem
Measured time difference as explained by relativity theory
This effect of moving objects on observations is associated with the Doppler effect. Time dilation by the Lorentz factor was predicted by several authors
Time_dilation
Increase in distance between parts of the universe
"expansion of space", it is more naturally viewed as a consequence of the Doppler effect. An object's peculiar velocity is its velocity with respect to the
Expansion_of_the_universe
Models of the universe which deviate from then-current scientific consensus
A non-standard cosmology is any physical cosmological model of the universe that was, or still is, proposed as an alternative to the then-current standard
Non-standard_cosmology
Physical effect in general relativity
locally equivalent to inertial effects and the redshift is caused by the Doppler effect) or as a consequence of the mass–energy equivalence and conservation
Gravitational_redshift
Dynamics of blood flow
analysis, or laser Doppler anemometry. Blood velocities in arteries are higher during systole than during diastole. One parameter to quantify this difference
Hemodynamics
Method used by several animal species to determine location using sound
both the prey's velocity and its movements to be detected by means of the Doppler effect. FM may be best for close, cluttered environments, while CF may
Animal_echolocation
Linear map that preserves areas
{\displaystyle (x,y)\mapsto (ax,y/a)} is the squeeze mapping with squeeze parameter a. Since { ( u , v ) : u v = c o n s t a n t } {\displaystyle \{(u,v)\
Squeeze_mapping
Resonator damping parameter
physics and engineering, the quality factor or Q factor is a dimensionless parameter that describes how underdamped an oscillator or resonator is. Resonators
Q_factor
Tornado rating system
first tornado intensity and damage scale to use measured wind speeds and Doppler weather radar measured wind speeds. When the first official publication
International_Fujita_scale
2D modulation technique
modulation technique that transforms the information carried in the Delay-Doppler coordinate system. The information is transformed in a similar time-frequency
Orthogonal Time Frequency Space
Orthogonal_Time_Frequency_Space
1938 experiment confirming relativistic time dilation
relativistic time dilation to the Doppler shift of light. The result was in agreement with the formula for the transverse Doppler effect and was the first direct
Ives–Stilwell_experiment
Equation used in relativistic physics
Standard applications of velocity-addition formulas include the Doppler shift, Doppler navigation, the aberration of light, and the dragging of light in
Velocity-addition_formula
Radar system using Doppler technology for 3D tracking of a sports ball in motion
The TrackMan is a radar system that uses Doppler technology to track and record 3D characteristics of a sports ball in motion. Trackman was created in
TrackMan
Spatial distortion in cosmology
The effect is due to the peculiar velocities of the galaxies causing a Doppler shift in addition to the redshift caused by the cosmological expansion
Redshift-space_distortions
Laser cooling technique
proposed to explain the experimental observation of cooling below the Doppler limit observed in cesium atom-related laser cooling experiments in 1985
Polarization_gradient_cooling
1842 treatise by Christian Doppler
einiger anderer Gestirne des Himmels) is a treatise written by Christian Doppler in 1842 , in which he postulated his principle that the observed frequency
On the coloured light of the binary stars and some other stars of the heavens
On_the_coloured_light_of_the_binary_stars_and_some_other_stars_of_the_heavens
Israeli naval defense radar system
is positioned in one direction. The radar employs multi-beam and pulse Doppler techniques, as well as robust Electronic counter-countermeasures techniques
EL/M-2248_MF-STAR
Medical condition
in the number of movements it could indicate placental deterioration. Doppler fetal monitor is a hand-held device that is routinely used in prenatal
Postterm_pregnancy
Abnormal growth of scar tissue within the penis
choice for plaque location, measurement, and confirmation of calcification. Doppler ultrasound can be utilized to assess vascular function, which is useful
Peyronie's_disease
when spectral line profiles are broadened by a mixture of Lorentzian and Doppler broadening mechanisms. The Chen distribution. The generalized extreme value
List of probability distributions
List_of_probability_distributions
Chart of tissue blood volume changes
particular, laser Doppler holography of the eye fundus, the choroid constitutes the predominant contribution to the high frequency laser Doppler signal. It is
Photoplethysmogram
Satellite navigation system
receiver would receive the orbital parameters and encrypted messages from the satellite, as well as measure the Doppler-shifted frequency at intervals and
Transit (satellite navigation system)
Transit_(satellite_navigation_system)
One is a pair of wireless smart earbuds developed and manufactured by Doppler Labs. It allows users to filter sound, stream music, and amplify speech
Here_One
Behavior of projectiles in flight
resistance effects on projectiles, Doppler radar measurements are required. Weibel 1000e or Infinition BR-1001 Doppler radars are used by governments, professional
External_ballistics
Haemodynamic parameter
(BSA), expressed in liters per minute per square meter (L/min/m2). This parameter provides a more accurate assessment of heart function relative to the
Cardiac_index
Ultrasound technique
through measuring hemodynamic (blood flow) changes. It is an extension of Doppler ultrasonography. Brain activation can be directly measured by imaging electrical
Functional_ultrasound_imaging
Largest type of black hole
of the best evidence for the presence of black holes is provided by the Doppler effect whereby light from nearby orbiting matter is red-shifted when receding
Supermassive_black_hole
Two interrelated physics theories by Albert Einstein
and with better accuracy in 1941. It was designed to test the transverse Doppler effect – the redshift of light from a moving source in a direction perpendicular
Theory_of_relativity
Method of encoding digital data on multiple carrier frequencies
in mobile communication channels affected by multipath propagation and Doppler effects. COFDM was introduced by Alard in 1986 for Digital Audio Broadcasting
Orthogonal frequency-division multiplexing
Orthogonal_frequency-division_multiplexing
1676 demonstration of light's finite speed by Danish astronomer Ole Rømer
been suggested that Rømer was measuring a Doppler effect. The original effect discovered by Christian Doppler 166 years later refers to propagating electromagnetic
Rømer's determination of the speed of light
Rømer's_determination_of_the_speed_of_light
Smallest amount of fissile material needed to sustain a nuclear reaction
faster and thus fission/absorption is less likely. This is not unrelated to Doppler broadening of the 238U resonances but is common to all fuels/absorbers/configurations
Critical_mass
This page describes exoplanet orbital and physical parameters. Most known extrasolar planet candidates have been discovered using indirect methods and
Exoplanet orbital and physical parameters
Exoplanet_orbital_and_physical_parameters
Use of medical ultrasonography in pregnancy
pregnancy and in obese women. Also used is Doppler sonography which detects the heartbeat of the fetus. Doppler sonography can be used to evaluate the pulsations
Obstetric_ultrasonography
Data communications modulation protocol
Doppler spread and vice versa. With appropriate parameter selection, MFSK can tolerate significant Doppler or delay spreads, especially when augmented with
Multiple frequency-shift keying
Multiple_frequency-shift_keying
Compression of nerves or blood vessels between the neck and ribcage
humeral head causes radiation of pain and/or numbness into the affected arm. Doppler arteriography, with probes at the fingertips and arms, tests the force
Thoracic_outlet_syndrome
Large artery in the thigh
; Evans, D. H.; Bell, P. R. F. (January 1984). "Common femoral artery Doppler wave-forms: a comparison of three methods of objective analysis with direct
Femoral_artery
Measure of neutron interaction likelihood
has to be included when calculating the cross section Equation 38. The Doppler broadening of neutron resonances is a very important phenomenon and improves
Neutron_cross_section
low or digging wave Direct hit Directional shear Divergence Doppler on Wheels (DOW) Doppler weather radar Dry convection (or dry mixing) – A vertical exchange
Glossary_of_tornado_terms
diode rate equations Laser diode thermal desorption Laser Doppler velocimetry Laser Doppler vibrometer Laser drilling Laser dynamic range imager Laser
List_of_laser_articles
Kinetic energy of an unbound neutron
method is the mechanical deceleration of cold neutrons exploiting the Doppler shift. Ultra-cold neutrons reflect at all angles of incidence. This is
Neutron_temperature
carrier will be pulse modulated and in continuous wave systems, such as Doppler radar, modulation may not be required. Most systems use pulse modulation
Radar_signal_characteristics
Single yellow-hued star in the constellation Cetus
Sun. It can be determined by measuring the star's spectrum: due to the Doppler shift, the absorption lines in the spectrum of a star will be shifted slightly
Tau_Ceti
Air defense radar system
separate module is needed. TRML-4D combines digital beamforming with pulse-Doppler radar to detect difficult-to-locate airborne targets such as hovering helicopters
TRML
Numeric parameter used to assess for cardiac shunt defects
Index (RAI) is a numeric parameter used to assess for cardiac shunt defects. It is calculated from the standard transthoracic Doppler echocardiogram measurements
Relative_Atrial_Index
Application of radar which is used to create two-dimensional images
techniques have evolved to do this. Generally they take advantage of the Doppler effect caused by the rotation or other motion of the object and by the
Imaging_radar
Weather research laboratory
or Hazardous Weather Testbed. NSSL meteorologists developed the first doppler radar for the purpose of meteorological observation, and contributed to
National Severe Storms Laboratory
National_Severe_Storms_Laboratory
Form of sexual dysfunction in males
condition as Male erectile dysfunction (HA01.1). Penile ultrasonography with doppler can be used to examine the erect penis. Most cases of ED of organic causes
Erectile_dysfunction
Artery in the abdominal and pelvic regions
PMID 17973911. Hsieh, FJ; Kuo, PL; Ko, TM; Chang, FM; Chen, HY (1991). "Doppler velocimetry of intraplacental fetal arteries". Obstetrics and Gynecology
Umbilical_artery
3D computer-generated imagery and measurements of terrain
data Real Time Kinematic GPS Topographic maps Theodolite or total station Doppler radar Focus variation Inertial surveys Surveying and mapping drones Range
Digital_elevation_model
2007 video game
and it later appeared on Flash game websites such as Newgrounds and Not Doppler, along with being released on its own website. On Tumblr, he stated that
The_Impossible_Quiz
Vector describing a wave; often its propagation direction
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
Wave_vector
Amount by which an orbit deviates from a perfect circle
the orbital eccentricity of an astronomical object is a dimensionless parameter that determines the amount by which its orbit around another body deviates
Orbital_eccentricity
Generalization of straight line to a curved space time
}{dx^{\alpha } \over ds}{dx^{\beta } \over ds}=0\ } where s is a scalar parameter of motion (e.g. the proper time), and Γ μ α β {\displaystyle \Gamma ^{\mu
Geodesics in general relativity
Geodesics_in_general_relativity
Curve along which a 3-D surface is at equal elevation
equations. In interpreting radar images, an isodop is a line of equal Doppler velocity, and an isoecho is a line of equal radar reflectivity. In the
Contour_line
Difference in wind speed or direction over a short distance
Windshear can be detected using Doppler radar. Airports can be fitted with low-level windshear alert systems or Terminal Doppler Weather Radar, and aircraft
Wind_shear
Spectroscopic phenomenon in astronomy
period, and of the secondary's orbit obtained from the impact parameter of transit and/or doppler spectroscopy, which instead measure the inclination angle
Rossiter–McLaughlin_effect
Supernova in the constellation Cassiopeia
"Expansion Velocity of Ejecta in Tycho's Supernova Remnant Measured by Doppler Broadened X-ray Line Emission". The Astrophysical Journal. 725 (1): 894–903
SN_1572
DOPPLER PARAMETER
DOPPLER PARAMETER
Surname or Lastname
English (mainly East Midlands)
English (mainly East Midlands) : habitational name from a lost minor place name, Pophall in Linchmere, Sussex, or from Pophills in Salford Priors, Warwickshire.
Surname or Lastname
English
English : occupational name for a maker of dowels and similar objects, from an agent derivative of Middle English dowle ‘dowel’, ‘headless peg’, ‘bolt’.
Boy/Male
Hungarian
Copper - headed.
Boy/Male
Bengali, Gujarati, Hindu, Indian, Kannada, Malayalam, Marathi, Telugu
Copper Red
Girl/Female
Arabic
Spotted; Dappled
Boy/Male
Muslim
Dapple
Surname or Lastname
English and Scottish
English and Scottish : occupational name for a professional tumbler or acrobat, or a nickname for a restless individual with plenty of energy, Middle English hoppere, an agent derivative of Old English hoppian ‘to hop’.German : nickname from an agent derivative of Middle High German, Middle Low German hoppen ‘to limp or stumble’.Dutch : occupational name for a hop grower or seller, from Middle Dutch hoppe ‘hop(s)’ + the agent suffix -er.
Surname or Lastname
English
English : habitational name from Coppull in Lancashire, recorded in the 13th century as Cophill, from Old English copp ‘peak’ + hyll ‘hill’.English : nickname from Old French curt peil ‘short hair’.Probably an Americanized spelling of German and Jewish Koppel or German and Dutch Kappel.
Boy/Male
Indian
Populer
Boy/Male
Indian, Sanskrit
Dappled Leaves
Girl/Female
Hungarian
Copper haired.
Boy/Male
Tamil
Copper red
Surname or Lastname
Scottish
Scottish : habitational name from a former parish in Morayshire.English : from the medieval personal name Tebald, Tibalt (see Theobald).possibly also an altered spelling of the South German cognate Dippel.John Scott (d. 1738) of Dipple emigrated to the American colonies, became minister of Overwharton parish, Stafford County, VA, and called his estate there Dipple.
Girl/Female
Arabic, Hebrew, Latin
Topper
Girl/Female
Indian, Punjabi, Sikh
Topper
Surname or Lastname
English
English : unexplained.Americanized form of German Koppler.
Surname or Lastname
English
English : variant of Cooper, from Middle English copere, found from the 12th century alongside cupere.English : metonymic occupational name for a worker in copper, Old English coper (Latin (aes) Cyprium ‘Cyprian bronze’).Respelling of German Kopper.
Girl/Female
Hindu, Indian, Traditional
Copper Leaves
Boy/Male
Indian
Dapple
Girl/Female
Indian, Telugu
Lopper; Honey
DOPPLER PARAMETER
DOPPLER PARAMETER
Boy/Male
English
noble.
Girl/Female
Afghan, Arabic, Bengali, Indian, Kannada, Marathi, Muslim, Pashtun, Tamil
Praiseworthy
Girl/Female
Tamil
Goddess Durga, Chapter
Boy/Male
Arabic, Muslim
Prophets Name
Boy/Male
American, Australian, Aztec, British, Danish, Dutch, English, French, German, Greek, Hebrew, Latin, Swiss
Light; Illumination; Form of Luke; A Region of Southern Italy; Bringer of Light
Boy/Male
Muslim
Great ones
Girl/Female
Indian, Malayalam
Happy
Girl/Female
Assamese, Gujarati, Hindu, Indian, Kannada, Malayalam, Marathi, Sanskrit, Telugu
Night
Girl/Female
Russian Celtic
Wise.
Boy/Male
Tamil
Lord Shiva
DOPPLER PARAMETER
DOPPLER PARAMETER
DOPPLER PARAMETER
DOPPLER PARAMETER
DOPPLER PARAMETER
a.
Alt. of Dappled
n.
See Grasshopper, and Frog hopper, Grape hopper, Leaf hopper, Tree hopper, under Frog, Grape, Leaf, and Tree.
n.
An Anabaptist or Baptist.
imp. & p. p.
of Dapple
n.
A tippler.
n.
A vessel, especially a large boiler, made of copper.
n.
The American dipper or ouzel (Cinclus Mexicanus).
imp. & p. p.
of Hopple
n.
One of the spots on a dappled animal.
a.
Fastened with copper bolts, as the planks of ships, etc.; as, a copper-fastened ship.
a.
Mixed with copper; containing copper, or made of copper; like copper.
imp. & p. p.
of Topple
a.
Faced or covered with copper; as, copper-faced type.
a.
Having a bottom made of copper, as a tin boiler or other vessel, or sheathed with copper, as a ship.
v. t.
To cover or coat with copper; to sheathe with sheets of copper; as, to copper a ship.
v. t.
To impede by a hopple; to tie the feet of (a horse or a cow) loosely together; to hamper; to hobble; as, to hopple an unruly or straying horse.
a.
Dappled.
a.
Marked with spots of different shades of color; spotted; variegated; as, a dapple horse.
n.
A coin made of copper; a penny, cent, or other minor coin of copper.