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Q. What effect does
the size and shape of the target have on the performance of ultrasonic
sensors?
The ideal target for an ultrasonic sensor is
a flat surface, perpendicular to the sensor. As the flat surface area
increases, thereby increasing the total reflective surface, more of
the sound pulse can be reflected, which increases the sensing range.
As the flat surface area decreases, or if the surface area is not
flat, less of the sound pulse can be reflected, which decreases the
sensing range.
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