center frequency


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center frequency

[′sen·tər ′frē·kwən·sē]
(communications)
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
where, f represents the frequency, cf the center frequency, and scale is the scaling function.
Technical note: application of the "intensity analysis" to high-resolution accelerometry
To further explore the tuning aspect of the reconfigurable filter, varactor-diode with biasing circuit is introduced as the tuning element to electronically tune the center frequency of the ring filter.
Reconfigurable ring filter with controllable frequency response
The time modulation in 4D arrays can bring on equivalent amplitude excitations at the center frequency, and both amplitude and phase excitations at the sideband frequencies in a time-average sense.
Design of a low sidelobe 4D planar array including mutual coupling
Therefore, we applied the method described here to this waveform data and chose the center frequency and the time-window length for calculation of [Z.sub.mode]([t.sub.q], [f.sub.r]) by considering the power spectral density of the waveform (Fig.
Imaging of deep structure using reflection waves detected by spectral matrix analysis and confidence levels
For example, the center frequency for channel 6 is 2.437GHz, but the entire channel spans from 2.426GHz to 2.448GHz.
Taking wireless to the max: is WiMAX the next big thing in high-speed wireless access?
Indeed, for the initially applied power P' = -50.1 dBm, the shift of the center frequency is measured as +4.6 kHz (see the blue line in Fig.
Microwave Resonators for Weak Light Detection at Telecom Wavelength
Variation of the center frequency [F.sub.0] of the filter is shown in Figure 13.
Natural frequencies and mode shapes of mechanically coupled microbeam resonators with an application to micromechanical filters
Figure 1(c) shows another proposed [TSSIR.sub.b] with characteristic impedances and electrical lengths of ([Z.sub.1h], [[theta].sub.1b]), ([Z.sub.2b], [[theta].sub.2b]), and ([Z.sub.3b], [[theta].sub.3b]) and it resonates at the second center frequency of the proposed filter.
Microstrip triband bandstop fitler with sharp stop band skirts and independently controllable second stop band response
The carrier frequencies of this class of subband signals increase from subband to subband by a fixed frequency step A/c, and then the center frequency of the subband n can be represented by
An efficient signal reconstruction algorithm for stepped frequency MIMO-SAR in the spotlight and sliding spotlight modes
The center frequency of the antenna mainly depends on the length.
Novel wideband omnidirectional antenna for wireless applications
Thus, the center frequency of the antenna and the maximum radiation direction can be changed respectively.
A novel pattern and frequency reconfigurable microstrip parasitic array
Given by the following equation, this accounts for the three wavelets to be considered at each center frequency:
Technical note: clinical application of the intensity analysis using the R open source software

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