Abstract
The irradiance scintillation of star was experimentally measured for studying the irradiance scintillation statistics for satellite-to-ground laser communication. Statistical properties of the irradiance scintillation for star, such as the normalized irradiance fluctuation variance, the intensity probability distribution function (PDF), and the power spectrum of atmospheric scintillation were analyzed. The influences of receiver pointing error on the intensity fluctuation and the propagation characteristic of atmospheric channel for satellite-to-ground laser communication were discussed. The measured results showed that with downlink propagation and aperture receiving, the normalized intensity scintillation variance ranged from 0.015 to 0.102 with zenith increasing from 0° to 55°, the PDF of intensity was accorded with lognormal model at different zenith, and the power-law value of high-frequency spectrum was-5/3 for steady atmosphere and-11/3 for unsteady atmosphere.
| Original language | English |
|---|---|
| Pages (from-to) | 1371-1374 |
| Number of pages | 4 |
| Journal | Zhongguo Jiguang/Chinese Journal of Lasers |
| Volume | 33 |
| Issue number | 10 |
| State | Published - Oct 2006 |
Keywords
- Aperture receiving
- Downlink propagation
- Optical communication
- Satellite-to-ground laser communication
- Statistical properties
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