Examples of using Doppler shift in English and their translations into Russian
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This phenomenon is called a doppler shift.
The Doppler shift of the gases also enabled wind patterns to be measured.
All we do is correct for Doppler shift.
It looks as such a radiation frequency Doppler shift, as if the Earth is moving at a speed 6,310 5 m/s with respect to the beams.
The sound frequency at this wavefront is infinite because of the Doppler shift.
This was achieved by measuring the Doppler shift of the star's spectrum.
It would appear that the classical analysis predicts that the receiver detects no Doppler shift.
Stellar rotation is measured through Doppler shift or by tracking active surface features.
But as Martin has pointed out, space is expanding;the cosmological redshift is different from the Doppler shift.
Spectroscopic binaries can be found by observing doppler shifts in the spectrum of the star and its close companion.
Full-scale data obtained are compared with measurements of GPS andsimilar an acoustic approaches to estimate the Doppler shift.
TDC3 traffic detectors measure the speed of each vehicle using the Doppler shift of the reflected microwave frequency.
Spectroscopic observations of their doppler shifts indicate velocities of several hundred kilometres per second, but the emission lines in those spectra are weaker than what would be expected from such high speed collisions.
Its components cannot be resolved butthe stars' movements cause periodic Doppler shifts in their spectra.
Looking only at a Doppler shift and ignoring all the other factors, if you know that speed correlates with distance, you get a certain redshift and you would probably calibrate that to mean 13b LY if that was the actual distance.
Prior to this analysis,another possible explanation of previous Doppler shift analysis included face-on spectroscopic binaries.
The point of closest approach is frame-independent and represents the moment where there is no change in distance versus time(i.e. dr/dt 0 where r is the distance between receiver and source) andhence no longitudinal Doppler shift.
ORBCOMM communicators were designed to measure the Doppler shift on the signals downlinked from the satellite.
However the equations of this thermodynamics don't lead to such conversion of the energy of radiation that corresponds to the relativistic Doppler shift of the frequency of radiation.
Nevertheless, when appropriately defined,transverse Doppler shift is a relativistic effect that has no classical analog.
He also cited dark lanes present in other galaxies similar to the dust clouds found in the Earth's own galaxy and massive doppler shifts found in other galaxies.
Individual lines show widely varying widths,profiles, and Doppler shifts, often multiple velocity components within the same line.
The receivers are also suitable for observing active artificial Earth's satellites on solar-synchronous orbits when measuring the Doppler shift frequency at which they emit.
This paper presents a method of estimating the Doppler shift, which is based on the application of the signal package, consisting of complex signals with"good" autocorrelation properties and operations of autocorrelation on the receiver.
This shift is created when their orbit carries the member stars toward and then away from the observer,producing a doppler shift in the wavelength of the line features.
For example, anything placed in orbit around them causes periodic Doppler shifts in their pulses' arrival times on Earth, which can then be analyzed to reveal the presence of the companion and, with enough data, provide precise measurements of the orbit and the object's mass.
This is because A-type stars typically rotate very quickly,which makes it difficult to measure the small Doppler shifts induced by orbiting planets since the spectral lines are very broad.
The radial velocity of cluster members can be determined from Doppler shift measurements of their spectra, and once the radial velocity, proper motion and angular distance from the cluster to its vanishing point are known, simple trigonometry will reveal the distance to the cluster.
Determining that an observed star cluster is a HCSS requires measuring the orbital velocities of the stars in the cluster via their Doppler shifts and verifying that they are moving much faster than expected for stars in an ordinary star cluster.
The search for 38 Virginis b started when its host star was chosen an ideal target for a planet search using the radial velocity method(in which the gravitational pull of a planet on its star is measured by observing the resulting Doppler shift), as stellar activity would not overly mask or mimic Doppler spectroscopy measurements.