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《Electronic Test》 2014-01
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The discussion about distributed visibility measurement method based on the backward scattering

Jin Xin;Xu Ning;Nanjing University of Posts and Telecommunications;  
Visibility which is one of the meteorological elements reflects the atmospheric conditions, affect the human activity directly.In the article,current different measuring methods of visibility are compared,the distributed measuring method of the visibility is proposed.According to the different situation of laser which meets in the atmospheric transmission,curve we analyze the distance decay of the backscatter of laser power,and has carried on certain discussion.Through the analysis and discussion of the laser backscatter power with distance decay curve,we can get a real-time situation of laser propagation in the atmosphere,and preliminarily reached the requirement of distributed visibility measurement.
【CateGory Index】: P412.1
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