Spectrum

Spectrum

The range of electromagnetic radio frequencies used in transmission of voice, data and television.

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Part of Speech: noun
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Industry/Domain: Aerospace
Category: Satellites
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spectrum

Weather; Meteorology

1. Radiant energy (e.g., electromagnetic, acoustic) per unit frequency (or wavelength) interval over some range of frequencies; may also be applied to any distribution function. ...

spectrum

Education; SAT vocabulary

An image formed by rays of light or other radiant energy.

spectrum

Telecommunications; General telecom

See electromagnetic spectrum, optical spectrum.

spectrum

Printing & publishing; Paper

The complete range of colors in the rainbow, from short wavelengths (blue) to long wavelengths (red).

spectrum

Earth science; Remote sensing

Continuous sequence of electromagnetic energy arranged according to wavelength or frequency.

spectrum

Arts & crafts; Jewelry; Beadwork

A continuous distribution of colored light produced when a beam of white light is dispersed into its components, e.g. by a prism.

sun satellite

Aerospace; Satellites

British industry will lead the production of Solar Orbiter (SolO), a spacecraft that will travel closer to the Sun than any satellite to date. SolO will take pictures and ...

Kwangmyŏngsŏng-3

Aerospace; Satellites

Kwangmyŏngsŏng-3, meaning Bright Star-3, is a North Korean Earth observation satellite scheduled to be launched between 12-16 April 2012 to commemorate the centenary of the birth ...

near infrared (NIR)

Aerospace; Satellites

The preferred term for the shorter wavelengths in the infrared region (the entire infrared region extends from about 0.7 µm (visible red) to about 3 µm). The longer wavelength end ...

radiation

Aerospace; Satellites

The process by which electromagnetic energy is propagated through free space by virtue of joint undulatory variations in the electric and magnetic fields in space. This concept is ...

absorption

Aerospace; Satellites

The process by which electromagnetic radiation (EMR) is assimilated and converted into other forms of energy, primarily heat. Absorption takes place only on the EMR that enters a ...

enhancement

Aerospace; Satellites

The process of altering the appearance of an image so that the interpreter can extract more information. Some types of digital enhancements commonly applied to Landsat imagery ...

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Industry/Domain: Geography Category: Countries & Territories

Tahiti

Tahiti is the largest island in the Windward group of French Polynesia, located in the archipelago of Society Islands in the southern Pacific Ocean. ...