Sentence examples for shift in the frequency from inspiring English sources

A slight shift in the frequency, because of the Doppler effect, means its speed and direction can be measured too.

A shift in the frequency of light received from a moving source had been proposed in 1842 by the Austrian physicist Christian Doppler, who (wrongly) thought that in this way he could explain the colours of binary stars.

The non-Doppler radars provide estimates of precipitation intensity, while Doppler radars can also provide estimates of wind speed and direction by detecting a shift in the frequency of an echo produced by a moving target.

Its speed and direction can also be calculated, because the aircraft's motion causes a slight shift in the frequency of the reflected signal due to the Doppler effect (the phenomenon that also causes a passing ambulance's siren to change pitch).But this is not the only way to build a radar.

Time shift corresponds to linear phase shift in the frequency domain.

It estimates the horizontal and vertical shifts in spatial domain by computing the phase shift in the frequency domain.

However, on close inspection of the spectra, it is obvious that considerable shift in the frequencies occurred for the samples treated with and without ZnAc.

The results indicate that the electrochemical reduction is accompanied by considerable loosening of the carbonyl bond and leads to a red shift in the frequencies of the vibrational modes of the aryl rings.

Continued selection brought drastic shifts in the population, shifts in the frequency of genes, and the development of new races totally dependent on humans to maintain them.

The latest equipment has also improved Doppler-mode ultrasound scanning, which takes its name from the Doppler effect, or the shifts in the frequency of sound waves varying with the relative motion of the sound source and the receiver.

Kass and Witkin [15] affirmed that a line is 90° shifted in the frequency domain and suggest the use of a bandpass filter: (1).