Abstract
High speed pseudorandom modulation and photon counting techniques
are applied to a three-dimensional imaging lidar system. The specific
structure and working principle of the lidar system is described. The
actual detector efficiency of a single-photon detector in an imaging
system is discussed, and the result shows that a variety of reasons lead
to the decrease in detection efficiency. A series of ranging and imaging
experiments are conducted, and a series of high-resolution
three-dimensional images and a distance value of 1200 m of noncooperative
targets are acquired.
© 2016 Chinese Laser Press
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