BENDIX BW2768 Manual do Utilizador descarregar pdf (Página 10)

Operation

Object Detection Capability

Because of the characteristics of radar, some objects may be detected at a

greater distance than others. Obstacle size, shape, and composition are all factors

determining when an object is detected.

The Bendix

™

BackSpotter

system operates by transmitting a pulse of very low

power electromagnetic energy. Any energy that strikes an object reﬂ ects a certain

amount of this energy back to the sensor. This returned energy is measured to

determine the object’s presence and distance.

The amount of energy an object reﬂ ects is determined by several factors:

• Size of the object.

• Composition - A metal object reﬂ ects more energy than a non-metallic

object.

• Scattering - A solid object reﬂ ects more energy than a non-solid object

such as wood, gravel, bushes, etc.

• Angle - An object perpendicular to the sensor will reﬂ ect more energy than

an object at an angle.

Reflected

signal returns

to sensor

Sensor's Reflected Energy

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BENDIX BW2768 Manual do Utilizador Página 10