Related Words

Electromagnetic Spectrum: The band of electromagnetic radiation with components that are separated into their relative wave lengths. The portion of the spectrum that the human eye can detect is called visible light, . . . View Full Definition

Spectrum: A range of frequencies available for over-the-air transmission.

Power Spectrum: intensity [= squared amplitude] of the Fourier transform, presented either in the form of an image (= the outcome of the PW operation) or as a profile (= the outcome of averaging the 2D powe . . . View Full Definition

Mass Spectrum: A plot showing the results of a mass spectrometry experiment, which shows the presence of particles with different masses as a series of sharp, separate peaks. The position of the peaks on t . . . View Full Definition

Absorption Spectrum: A plot that shows how much radiation a substance absorbs at different wavelengths. Absorption spectra are unique for each element and compound and they are often used as chemical 'fingerprin . . . View Full Definition

Spectrum Assignment: Federal government authorization for use of specific frequencies or frequency pairs within a given allocation, at specific geographic locations.

X-Ray Spectrum: A set of characteristic x-ray frequencies or wavelengths produced by a substance used as a target in an x-ray tube. Each element has a characteristic x-ray spectrum, and there is a strong co . . . View Full Definition

White Light Spectrum: Is the electromagnetic wavelengths between 400-700 nanometers. Also referred to as the visible spectrum.

Spread Spectrum: Initially devised for military use, this radio transmission technology spreads information over greater bandwidth than necessary to resist jamming and other interference.

Spectrum Cap: A limit to the allocated spectrum designated for a specific service.