spectrum analysis


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spectrum analysis

[′spek·trəm ə‚nal·ə·səs]
(physics)
The measurement of the amplitude of the components of a complex waveform throughout the frequency range of the waveform.
References in periodicals archive ?
Our EMI receivers with fast scanning (FFT), real-time spectrum analysis, and persistence mode are ideal tools to help identify and solve potential EMI and EMC challenges.
and Smith, L.: 1997, Optimal filtering in singular spectrum analysis. Phys.
This method uses spectrum analysis of sessions by Discrete Fourier Transform (DFT).
After that, the spectrum analysis using FFT transform is applied to the instantaneous amplitude of PF1 component to extract the characteristic frequency of the roller bearing.
Singular Spectrum Analysis. Singular Spectrum Analysis extracts the component of low frequency [c.sub.L] from the observed time series.
The implemented method of signal spectrum analysis demonstrate that the maximum frequency and magnitude of each coin with different denomination is unique.
This capability is now possible by applying real time spectrum analysis. Recent successes are being reported along these lines throughout industry.
The modal analysis must be carried out before application of the response spectrum analysis, because [P(tj] is designated as the set of load values induced from the modal responses.
There was the surface complexation in the adsorption of Ni(II) by D301R anion exchange resin through the infrared spectrum analysis.
This experiment focuses on the improved region growing method based on spectrum analysis and branch strategy without image enhancement procedure.
The vibration signal is analyzed by MATLAB routine, which contains lots of functions for the signal processing analysis [20], and the results of the spectrum analysis are shown at the following figures: