[2] [2] XIONG Z M, LI Q Q, MAO Q Z, et al. A 3D laser profiling system for rail surface defect detection[J]. Sensors, 2017, 17(8): 1791.

[4] [4] PALMESE M, TRUCCO A. From 3-D sonar images to augmented reality models for objects buried on the seafloor[J]. IEEE Transactions on Instrumentation and Measurement, 2008, 57(4): 820 – 828.

[5] [5] FRIEDLANDER B, WEISS A J. Eigenstructure methods for direction finding with sensor gain and phase uncertainties[C]//Proceedings of International Conference on Acoustics, Speech, and Signal Processing. New York: IEEE, 1988: 2681 . 2684.