spectral density

(redirected from Spectral power density)

spectral density

[′spek·trəl ′den·səd·ē]
(electromagnetism)
(mathematics)
The density function for the spectral measure of a linear transformation on a Hilbert space.
(systems engineering)
References in periodicals archive ?
Hence, there exist an optimal spectral bandwidth of BPF2 for which the captured spectral power density contributes optimally to sustain the existing pulses in the cavity.
The beam width of a terminal, combined with the appropriate regulatory ASI limits, limit the spectral power density that the terminal can radiate on the bore site.
The vertical axis is the allowable spectral power density allowed for a given regulatory regime.
This approach allows the transmitted spectral power density to be increased above the clear sky regulatory limit in the event of rain fade.
PosturoPro[R] software (Framiral; Cannes, France) analyzed stabilometric data to characterize spectral power density of the COP displacements by the wavelet transform.
One-factor analysis of variance (ANOVA) was performed to determine whether there were differences among the four groups regarding age, anthropometric data, and COP displacements and spectral power density parameters in the reference condition.
The post hoc analyses indicated that the spectral power density was higher for the old sedentary group than for the young sedentary group (M[F.
Results concerning the evolution of spectral power density in the three frequency bands are presented in Table 4.
The post hoc analyses indicated that the spectral power density increased more for the old sedentary group than for the old active group (L[F.
Similarly, we can express the spectral power density for [omega] = 0:
Using standard transforms,[12] the spectral power density at the IF mixer port is obtained from Equation 6.

Full browser ?