Triangulacja (sensoryka)

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Triangulation is a method of measuring distances using an optical rangefinder (laser). It consists of a light source (transmitter) and a receiver - a lens (behind which is a CCD or CCD) with known mutual positions and parallel optical axes. The receiver is away from the transmitter with a fixed distance called the base (b) and is inclined at an angle α. The beam of light reflected from the object at a distance r falls on the CCD detector behind the receiver lens. Knowing the focal length of the lens and the location of the light beam on the detector (dx), we can determine the distance from the object:

r = b d x f + 1 t g α {\displaystyle r={\frac {b}{{\frac {dx}{f}}+{\frac {1}{tg\alpha }}}}}

where:

r - distance from subject baseball

f - focal length

α - transmitter pitch angle

dx - the location of the light beam on the CCD detector

wiki

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