0-th order spectral moment
1 D energy spectral density function
2-D Spectral Estimation
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 Spectral Enhancement
adaptive spectral line enhancement
Admittance Spectral Analysis
agronomic spectral model
Analysis of spectral information
Analytical Spectral Lines of Elements
anomalous spectral reflectance