Luminance

Luminance

Quantitative measure of the intensity of light from a source.

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Part of Speech: noun
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Industry/Domain: Earth science
Category: Remote sensing
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luminance

Internet; Internet communication

The brightness of a computer screen, controlled by part of a composite video signal. Also used to describe part of the signal that defines the brightness.

luminous

Weather; Meteorology

1. In general, pertaining to the emission of visible radiation. 2. In photometry, a modifier used to denote that a given physical quantity, such as luminous emittance, is weighted ...

luminance

Weather; Meteorology

The photometric equivalent of radiance. Luminance is obtained by integrating spectral radiance weighted by luminous efficiency over the visible spectrum. Compare illuminance.

luminous

Natural environment; Coral reefs

Emitting light.

luminous

Education; SAT vocabulary

Giving or radiating light.

luminism

Art history; General art history

Term meaning roughly, painting of light. Applied specifically to American landscape painters of the Hudson River School from about 1830-70. Many of their paintings were dominated ...

day

Earth science; Remote sensing

The period of time that it takes for a planet to spin around once, completing one rotation on its axis.

epicenter

Earth science; Remote sensing

The point on Earth's surface that is directly above the place where an earthquake first starts.

seismograph

Earth science; Remote sensing

An instrument that detects and records vibrations and movements in the Earth during an earthquake.

seismology

Earth science; Remote sensing

The scientific study of earthquakes, including their causes and effects is called as seismology in Earth science.

range resolution

Earth science; Remote sensing

In radar images, the spatial resolution in the range direction, which is determined by the pulse length of the transmitted microwave energy.

airborne imaging spectrometer (AIS)

Earth science; Remote sensing

Along-track multispectral scanner with spectral bandwidth of 0. 01 m.

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