[1] Yin Shirong, Wang Weiran. Lidar Signal Denoising Based on Wavelet Domain Spatial Filtering. 2006 CIE International Conference on Radar, Institute of Electrical and Electronics Engineers Inc.， 2007.
[2] Sivakumar Venkataraman. De-Noising LiDAR Signal using Wavelet Technique. Lidar Remote Sensing for Environmental Monitoring Ⅷ. SPIE, P. O. Box 10, Bellingham WA, WA 98227-0010, United States, 2007. 6681.
[3] Huang N E, Shen Z, Long S R， et al. The Empirical Node Decomposition and the Hilbert Spectrum for Nonlinear and Non-Stationary Tile Series Analysis. Proc Roy Soc, London A， 1998, 454： 903.
[7] Liu Zhishen， Zhang Na， Wang Ruibin. Optical Engineering, 2007， 46(2)： .
[9] Wu Z， Huang N E. Proc. Royal Society of London Proceedings Series A, 2003, 2046(460)： 1597.
[10] Ruffin C， King R L. The Analysis of Hyperspectral Data using Savitzky-Golay Filtering-Theoretical Basis. Geoscience and Remote Sensing Symposium, 1999. IGARSS’99 Proceedings， 1999， 2(2): 756.
