spectrum | Energy Glossary

Explore the Energy Glossary

Look up terms beginning with:

spectrum

1. n. [Geophysics]

Generally, a display of entities or properties according to magnitude. In geophysics, spectrum refers to a display of characteristics of a wavetrain or trace as a function of frequency, wavenumber, or arrival time. A common display of spectrum is amplitude as a function of frequency.

See related terms: amplitudearrivalfrequencyphasetrace

2. n. [Formation Evaluation]

The distribution of gamma ray energies, or the number of gamma rays as a function of gamma ray energy.

See related terms: activation loggeochemical loginduced gamma ray spectroscopyneutron interactionspulsed neutron spectroscopy measurement