| 摘要 |
A range finder system for determining a range of an object. The system includes a source of laser radiation configured for transmitting a plurality of pulses, a first detector, a second detector, an optical arrangement configured for directing the pulses along an outgoing path and receiving the pulses reflected by the object along a return path. The first detector is deployed to be responsive to the pulses traveling along the outgoing path and the second detector insensitive to the reflections of the pulses from less that the minimum range. The system further includes a controller configured for shorting a connection within the second detector to make the second detector insensitive to the reflections of the pulses from less than a minimum range, and for determining the range of the object based upon a time-of-flight of one or more of the pulses based upon output signals of the first detector and the second detector.
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