frequency domain


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fre·quen·cy do·main

the expression of a function by its amplitude and phase at each component frequency, usually as determined by Fourier analysis.
References in periodicals archive ?
Trimble 4D Control software can support optional Fast Fourier Transform (FFT) calculations to transform a real-time domain signal into a frequency domain representation.
The frequency domain image is one of several images made by transforming the A-scans.
The signal is transformed to frequency domain by Fourier transformation.
For frequency domain analysis we used parametric and non-parametric Power Spectral Density methods as described in [3].
Dynamic analysis in frequency domain has been done for both fixed based and isolated case.
Low power frequency domain equalizer which employs the newly proposed signal processing algorithm to reduce circuit size significantly
This is illustrated in the time and frequency domain displays of figure 3, where the low-level signals that are readily apparent in the frequency domain cannot be seen in the time domain.
Many of the SPICE simulators that are available have trouble simulating frequency domain models such as S-parameters, and the designer often needs frequency domain simulators to understand behavior of interconnects over the frequency range and to establish robust design rules.
The team successfully transitioned the Frequency Domain Interference Suppressor Applique from a laboratory demonstration system to production and installation on weapon delivery platforms.
2]) in the frequency domain, such that minimum energy is left from this pulse to affect the adjacent pulses.
Semmens' work specifically describes case studies where FFT frequency domain imaging has been used to reveal features down to only Angstroms in thickness in applications such as wafer bonding and flip chip.
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