[3] [3] Arindam Banerjee,Anil A Ogale,Kunal Mitra.Experimental simulati on of lightning optical emissions in clouds[J].Journal of Physics D:Applied Physics,2006,39:575-583.

[7] [7] Haltrin Vladimir I.One-parameter seawater light scattering phase function in the form of legendre polynomial series[J].Oceans Conference Record(IEEE),2003,5:2842-2844.

[8] [8] Bucher Edward A.Computer simulation of light pulse propagation for conmmunication through thick clouds[J].Applied Optics,1973,12(10):2391-2400.

[9] [9] H C Van de Hulst.Light scattering by small particles[M].New York:Jones Wiley and Sons,1957,114-130.

[10] [10] G C Mooradian,M Geller.Temporal and angular spreading of bluegreen pulses in clouds[J],1982,21(9):1572-1577.