"mean spectra of" is a valid phrase in written English.
It is typically used to refer to an average representation of a physical phenomenon. For example, "The mean spectra of stars in the galactic core was studied in detail by the team of astronomers."
Afterwards, mean spectra of the four clusters were calculated (Fig. 4, spectra c f).
Figure 5 Mean spectra of training samples and mean of the pixels classified by the MLH classifier.
The mean spectra of the newly-measured S. sanguinis and S. mutans biofilms, shown in Figure2, appear nearly identical.
Figure 4 Mean spectra of training samples and mean of the pixels classified by the SOM-hybrid ANN.
The mean spectra of the training samples (solid lines) for each class, and the mean of the pixels classified by the MLH classifier into the respective classes (dashed lines), using the 30-band subsampled image cube.
The mean spectra of the training samples (solid lines) for each class and the mean of the pixels classified by the SOM-hybrid ANN into the respective classes (dashed lines), using the full, 194-band image cube.
Mean envelopes and mean spectrums of control signals were correlated (r-values) with those of propagated signals using Bravais-Pearson product-moment.
Real accelerograms are intensified by spectrally matching them to Conditional Mean Spectrum of different return periods.
Moreover, the mean spectrum of all pixels in each homogeneous object is used as the spectral feature for this object.
Also shown is the mean spectrum of the 100 near fault and far fault records superimposed on the ASCE 7-05 despectrumctrum for the site.
SIMQKE program is utilized to simulate ground motions, mean spectrum of whose matches to 1.5 times the design spectrum resulting in an earthquake hazard level of 2% probability of exceedance in 50 years.
