angle of depression


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angle of depression

1. The angle in a vertical plane between the horizontal and a descending line.
2. In air photography, the angle between the optical axis of an obliquely mounted air camera and the horizontal. Also called depression angle. See also tilt angle.
Dictionary of Military and Associated Terms. US Department of Defense 2005.
Translations
angle de dépression
References in periodicals archive ?
The angle of depression can be measured with reference to a horizontal line that projects out from the slope rather than in to it.
Numeracy in household safety: how do you measure a slope of 10[degrees]?
To compute the delay in sunset due to elevation, you have to divide the angle between the horizon and the horizontal (the angle of depression) by the rate at which the Sun gets lower.
The angle of depression is easy to calculate by elementary geometry, as shown at right.
The Green flash observed: Three groups of observers report on different aspects of this fascinating and elusive phenomenon
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