| shadowing |
The reduction in size or intensity of a sound wave due to decreasing transmissivity of sound waves by human head tissue versus air.
출처: ausim3d.com/glossary/SV.html
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| shadowing |
Radars identify ground echoes as the strongest signal (most of the time). The ground echo cosine angle is a function of the radar antenna alignment and beam width. More reflective terrain in only part of the beam could change the angle of the ground return (shadowing) which can change the measured speed of the patrol car. Large and or reflective objects such as overpasses or billboards and road signs may have a momentary effect on radar. ...
출처: www.beldirect.co.uk/glossary_of_terms.htm
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