0-th order spectral moment

1 D energy spectral density function

2-D Spectral Estimation

3-D spectral plot

6—dimensional spectral greenness value

absolute spectral response

Absolute spectral responsivity

acceleration power spectral density

acceleration spectral density

Adams spectral sequence

Adams spectral sequences

Adams-Novikov spectral sequence

adaptive spatial-temporal-spectral filter(ASTS filter)

Adaptive Spectral Enhancement

adaptive spectral line enhancement

adaptive spectral- line enhancer

Admas spectral sequence

Admittance Spectral Analysis

agronomic spectral model

airborne multi-spectral