characteristic frequency


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characteristic frequency

[‚kar·ik·tə′ris·tik ′frē·kwən·sē]
(communications)
Frequency which can be easily identified and measured in a given emission.
References in periodicals archive ?
This paper analyzes the failure forms of rolling bearing, fault characteristic frequency and vibration mechanism and application of wavelet de-noising, wavelet packet energy extraction and support vector machine (SVM) and other technologies, using a rolling bearing fault intelligent diagnosis method based on support vector machine (SVM), verified by simulation experiments.
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.
0308 Table 2: Comparison of characteristic frequency average amplitude by HHT and IVMD-TEO.
The result from (7) represents the change rate of phase shift of the component that contains the rotor position on deviation 1 Hz from the characteristic frequency of the filter.
To obtain the characteristic frequency, the relative permittivity is needed at various frequencies.
Using RRM postulates, a computationally identified characteristic frequency for a protein functional group can be used to calculate the wavelength of applied irradiation [lambda] which assumingly would activate this protein sequence and modify its bioactivity
Figure 7 shows one more example, in which FFT failed to detect the characteristic frequency of the AE waveform, even though FFT analysis detected a relatively high frequency component.
When a molecule containing these atoms is placed in a magnetic field, the spins act as tiny magnetic dipoles, which align with the magnetic field and precess about its axis with a characteristic frequency called the Larmor frequency.
omega]c = characteristic frequency determined by conductor resistivity [rho] ([omega]/m), permeability [micro] (H/m) and radius RC (m)
With the latest piezoelectric transducers and analytical instruments, this sound spectrum can be broken into several characteristic frequency bands keyed to specific grinding phenomena.
When the input speed of planet carrier is given at any time, the characteristic frequency of each component in the planetary gearbox can be calculated by using the expressions of planetary gearbox characteristic frequencies listed in Table 2, which are deduced from the configuration of planetary gearbox.

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