3K S Lskshmi,M ter-satellite I.aser tional Conference P S Kumar, K V N Kavitha.ln Communication System.lntema- on Computer and Communication Engineering [J].Kuala Lumpur, Malaysia: IEEE, 2008: 522-527.
4I.arry B.Stotts, Brian Stadler, Gary.I.ee.Free Space Optical Communication: Coming of Age [J].Proc.of SPIE, 2008,6951 : 69510w-1-69510w- 15.
5RG MarshaleK,.G S Mecherle, P R Jordan.Sys- tem l.evel Comparison of Optical and RF Technol- ogies for Space-to-Sp/ice and Space-to-Ground Communication I.inks Circa 2000[J].Proe of SPIE, 1996,2699 : 134-145.
6G Baister, P Vgatenyb. Pointing, Acquisition and Tracking for Optical Space Communication[J].IEEE. Electronic & Communication Engineering Jomual, 1994:271-280.
7N Huang, Z Shen, S I.ong, el al,The empirical mode decomposition and hi/bert spectrum for non- linear and nonslationary time series analysis[J]. Proc.of the Royal Society of l.ondon, 1998, 454 (1971):903 -905.
8ROBERT H. Cable - free systems solve challenges. The American Oil & Gas Reporter,2008.
9HOLLIS J, WILLIAMS M, HOENMANS S. The future of land seismic. Harts E&P,2005 ,78 ( 11 ) :77 - 81.
10DURHAM L S. Cable- free nodes:Destination land. E&P,2007.