steradian no Oxford-Paravia Italian Dictionary

Traduções para steradian no dicionário inglês»italiano

steradian [Brit stəˈreɪdɪən, americ stəˈreɪdiən] SUBST

steradian

steradiante m

Traduções para steradian no dicionário italiano»inglês

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steradiante

steradian

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inglês

One lumen is defined as the luminous flux of light produced by a light source that emits one candela of luminous intensity over a solid angle of one steradian.

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It covers a large fraction of the sky (over one steradian fully coded, three steradians partially coded; by comparison, the full sky solid angle is 4 or about 12.6 steradians).

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The instrument had a field of view of one steradian.

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The steradian is a measure of solid angle, and meters squared are used here as a measure of cross-sectional area, as shown at right.

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The radiation intensity is expressed in watts per unit solid angle (watts per steradian).

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