Linked from

The 61 pages that link to Doppler effect, each with the reason it gives.

• FrequencyRelated: Motion changes the measured frequency even when the source's emitted frequency stays fixed.

• Global Positioning SystemRelated: Motion shifts received GPS carrier frequencies and can support velocity estimation.

• RadarRelated: A radar echo's Doppler shift reveals motion toward or away from the system.

• RedshiftRelated: Radial motion between source and observer changes light’s wavelength through the Doppler effect.

• EcholocationRelated: Frequency shifts in returning echoes can reveal whether a target is moving.

• Spectral lineRelated: Motion shifts line frequencies away from their rest-frame positions.

• VelocityRelated: Relative velocity determines the frequency shift.

• Astronomical spectroscopyRelated: Shifts in spectral lines measure radial motion toward or away from Earth.

• SonarRelated: The frequency shift in returned echoes can indicate target or platform motion.

• Galaxy rotation curveRelated: Opposite frequency shifts across a galaxy reveal its line-of-sight rotation.

• Atomic spectrumRelated: Atomic lines shift or broaden when emitting atoms move relative to the measurement apparatus.

• SoundRelated: Moving sound sources can produce a perceived shift in pitch.

• Radial velocityRelated: Relative motion shifts spectral lines, revealing an object's radial motion.

• Fraunhofer linesRelated: Solar motion shifts line wavelengths, letting astronomers measure motion from the spectrum.

• Synthetic aperture radarRelated: Platform motion creates Doppler variation that helps distinguish along-track positions.

• Mössbauer spectroscopyRelated: Moving the source shifts gamma-ray energy to scan across a nuclear resonance.

• Tully–Fisher relationRelated: Doppler shifts across a galaxy’s disk reveal its line-of-sight rotation.

• Deep Space NetworkRelated: Frequency shifts in spacecraft signals reveal motion and help estimate trajectory.

• AsteroseismologyRelated: Surface oscillation velocities shift stellar spectral lines through the Doppler effect.

• Satellite telemetryRelated: Argos can estimate a tag’s position from frequency shifts as a satellite passes overhead.

• Stellar kinematicsRelated: Spectral Doppler shifts are the basis of stellar radial-velocity measurements.

• Vesto SlipherRelated: The Doppler interpretation connected Slipher’s spectral shifts to nebulae moving toward or away from Earth.

• Hydrogen spectrumRelated: Shifts in hydrogen-line wavelengths reveal motion along the line of sight.

• Neutral hydrogenRelated: Frequency shifts in the hydrogen line measure gas motion along the line of sight.

• NowcastingRelated: Doppler radar uses frequency shifts to estimate the motion of precipitation.

• Optical atomic clockRelated: Atomic motion can shift the observed resonance unless trapping and cooling control it.

• Radio navigationRelated: Doppler shifts can reveal motion and were used to calculate position from passing satellites.

• Multipath propagationRelated: Motion changes the phases of arriving paths over time and can make multipath fading vary faster.

• Solar spectrumRelated: Solar motion shifts spectral lines away from their rest wavelengths.

• Deep-space communicationRelated: Frequency shifts reveal spacecraft motion and must be tracked to maintain reliable links.

• Proximity fuzeRelated: Some radio fuzes detect a target through Doppler shifts in reflected signals.

• Pulsar planetRelated: A pulsar’s motion around a planet shifts pulse arrival times through changing light-travel distance.

• Severe weather warningRelated: Doppler radar uses frequency shifts to estimate winds inside storms.

• Exoplanet detectionRelated: Radial-velocity measurements use wavelength shifts to track stellar motion.

• Norman LockyerRelated: Spectral shifts also let Lockyer and other astronomers investigate motion in solar prominences.

• Vera RubinRelated: Opposite shifts across a galaxy reveal the line-of-sight speeds of its rotating gas.

• Be starRelated: Opposite sides of a rotating disk shift emission to different wavelengths, broadening and splitting its lines.

• Claude Cohen-TannoudjiRelated: Atomic motion shifts laser frequencies in a way that makes Doppler cooling selective.

• H I regionRelated: Frequency shifts in the line reveal the gas's motion along the line of sight.

• William HugginsRelated: Shifts in spectral lines let Huggins infer motion along the line of sight.

• Electromagnetic astronomyRelated: Frequency shifts in astronomical spectra measure motion along the line of sight.

• Margaret Lindsay HugginsRelated: Spectral shifts made motion along the line of sight measurable in astronomical light.

• Instantaneous velocityRelated: Frequency shifts can reveal the instantaneous radial velocity of a moving source.

• Acoustic techniquesRelated: Frequency shifts can measure motion in flow, tissue, or moving targets.

• Malaysia Airlines Flight 370Related: Frequency shifts in satellite signals helped reconstruct the aircraft’s broad flight path.

• Recessional velocityRelated: It describes the motion-related component of spectral shifts, distinct from expansion.