phase delay


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phase delay

[′fāz di‚lā]
(communications)
Ratio of the total phase shift (radians) of a sinusoidal signal in transmission through a system or transducer, to the frequency (radians/second) of the signal.
References in periodicals archive ?
Applying this technique, he was able to visualise numerous optical principles, including refraction, diffraction, and phase delay.
"This phase delay is biologically driven in adolescents," Ji said.
Two kinds of delays, group delay and phase delay, were calculated from the phase spectra in this study.
Let the atmospheric phase delay in layer H be [PHI](x).
Compared with the propagation in complete air medium with the same length, there exists substantial phase delay as sound waves travel through the subunit, which shows promise for the altering of reflected phase in space.
Hence, special attentions have been paid to design various broadband and multiband RA antennas, such as using stacked patches with variable-length phase delay lines, aperture-coupled patches, and multilayer patch elements [6-9].
Seventh, the mechanism of stress phase delay to the exciting force in the case of the integer-order forward whirl and stress phase advances in the case of integer-order reverse whirl is described.
In order to eliminate this drawback, new sensor less algorithms are proposed and this will introduce some phase delay due to the presence of low pass filters (LPF).
where [[phi].sub.src,i] is the phase of the source output signal; [[theta].sub.src,ref] is the phase delay between the reference output from the source and the reference input of the delay generator, which is constant; [[theta].sub.dg] is the phase delay between the pulse output of the delay generator and the pulse selector (its purpose is described in more detail in Sec.