Properties of uplink laser propagation through sea interface

J4 ›› 2012, Vol. 29 ›› Issue (5): 615-621.

• Optical Communication • Previous Articles Next Articles

Properties of uplink laser propagation through sea interface

XU Qiang¹, ZHANG Wei¹, LIU Yang¹, KANG Wei-hong²

1 School of Science, Xidian University, Xi’an 710071, China；
2 College of Information Science and Technology, Northwest University, Xi’an 710127, China

Received:2011-07-05 Revised:2011-09-12 Published:2012-09-28 Online:2012-09-02

Abstract

Abstract:

For the "phase-locked loop" effect occurs in sea surface’s simulation by using "double-superposition method," sampling frequency of different wind speeds are selected according to the waves’ narrow-band spectral characteristics. Three-dimensional random sea-surface is simulated by using the method of “frequency corresponding to the direction”. The simulation results reflect sea-surface actually. Then starting from Fresnel formula, the reflection、refraction and the total energy transmittance of the uplink laser that propagation through sea-surface is analyzed. The simulation results show that the wind speed changing and incidence angle of uplink laser have a great effect on the energy transmission rate. Finally, the scattering effect of the uplink laser through sea surface is analyzed.

Key words: laser submarine communication, uplink laser, frequency corresponding to the direction method, three-dimensional undulating sea surface

CLC Number:

TN929

XU Qiang, ZHANG Wei, LIU Yang, KANG Wei-hong. Properties of uplink laser propagation through sea interface[J]. J4, 2012, 29(5): 615-621.

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Properties of uplink laser propagation through sea interface

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