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Portable Atmospheric Transfer of Microwave Signal Using Diode Laser with Timing Fluctuation Suppression
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作者 CHEN Shijun BAI Qingsong +2 位作者 CHEN Dawei SUN Fuyu HOU Dong 《ZTE Communications》 2018年第4期52-56,共5页
We demonstrate an atmospheric transfer of microwave signal over a 120 m outdoor free-space link using a compact diode laser with a timing fluctuation suppression technique.Timing fluctuation and Allan Deviation are bo... We demonstrate an atmospheric transfer of microwave signal over a 120 m outdoor free-space link using a compact diode laser with a timing fluctuation suppression technique.Timing fluctuation and Allan Deviation are both measured to characterize the instability of transferred frequency incurred during the transfer process.By transferring a 100 MHz microwave signal within 4500 s,the total root-mean-square(RMS)timing fluctuation was measured to be about 6 ps,with a fractional frequency instability on the order of 1×10-12 at 1 s,and order of 7×10-15 at 1000 s.This portable atmospheric frequency transfer scheme with timing fluctuation suppression can be used to distribute an atomic clock-based frequency over a free-space link. 展开更多
关键词 atmospheric communication frequency transfer diode laser timing fluctuation suppression
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