Abstract
We develop a regularization-based algorithm for reconstructing the
Cn2 profile using the profile of Fried’s transverse coherent length
(r0) of differential column image motion (DCIM) lidar. This
algorithm consists of fitting the set of measured data to a spline
function and a two-stage inversion method based on regularized least
squares QR-factorization (LSQR) in combination with an adaptive selection
method. The performance of this algorithm is analyzed by a simulated
profile generated from the HV5/7 model and experimental DCIM
lidar data. Both the simulation and experiment support the presented
approach. It is shown that the algorithm can be applied to estimate a
reliable Cn2 profile from DCIM lidar.
© 2016 Chinese Laser Press
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