Theoretical study on power spectrum of atmospheric scintillation of aperture receiving for satellite-to-ground downlink

pan feng; ma jing; tan li-ying; yu si-yuan

Volume 18 Issue 08

Aug. 2006

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Article Navigation > High Power Laser and Particle Beams > 2006 > 18(08): 0-

guo ruhai, shi kui, wang hengkun, et al. Damage in optical components induced by high power semiconductor laser[J]. High Power Laser and Particle Beams, 2011, 23.

Citation:

pan feng, ma jing, tan li-ying, et al. Theoretical study on power spectrum of atmospheric scintillation of aperture receiving for satellite-to-ground downlink[J]. High Power Laser and Particle Beams, 2006, 18.

guo ruhai, shi kui, wang hengkun, et al. Damage in optical components induced by high power semiconductor laser[J]. High Power Laser and Particle Beams, 2011, 23.

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Theoretical study on power spectrum of atmospheric scintillation of aperture receiving for satellite-to-ground downlink

1.
National Key Laboratory of Tunable Laser Technology,Harbin Institute of Technology,Harbin 150001,China

Publish Date: 2006-08-15

Abstract

Abstract

Based on the temporal covariance of logarithmic amplitude, analytical expression was obtained for aperture receiving power spectrum of atmospheric scintillation of satellite-to-ground downlink. The effect of the receiving aperture and outer scale of turbulence on the power spectrum of atmospheric scintillation was analyzed. The results indicate that the power spectrum of atmospheric scintillation includes low-frequency spectrum and high-frequency spectrum. The amplitude of low-frequency spectrum is constant. The high-frequency spectrum obeys the power law and the absolute value of power-law is 11/3. When the aperture scale increases, the power spectrum gradually increases its amplitude while keeping its shape. With the outer scale of turbulence increasing, the amplitude of low-frequency sp
- satellite-to-ground optical communication,
- power spectrum of atmospheric scintillation,
- aperture receiving,
- downlink

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