Multifunction lidar system and its application for detecting aerosol and wind in boundary layer

Details Multifunction lidar system and its application for detecting aerosol and wind in boundary layer Multifunction lidar system and its application for detecting aerosol and wind in boundary layer

Aug 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998spie.3504..226y&link_type=abstract

Proc. SPIE Vol. 3504, p. 226-227, Optical Remote Sensing for Industry and Environmental Monitoring, Upendra N. Singh; Huanling H

Computer Science

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A backscatter Nd-YAG lidar system has been constructed in our institute, which was designed to measure and image the four- dimensional structure the aerosol and to detect wind in lower atmosphere. It contains a Nd-YAG laser with maximum repetition rate of 15 pulses per second and a 20-cm telescope with maximum field of view of 3 mrad. A fast computer controlled angular scanning system provides can make the lidar to fire at the set position and time. Data logging system provides a logarithmic amplifier of 80 dB, 8 bit A/D conversion with range resolution of 7.5 m and high pixel resolution lidar images in a graphics computer. The system allows observations of inhomogeneities in natural aerosol in boundary layer showing the spatial distribution of aerosol scattering. A model to use triple angle azimuth scan method for measuring wind velocity is developed, which agrees well with the supposed wind in numerical experiment. The lidar system is been used in observations of aerosol and wind in boundary layer during February to July of 1998 and some results are presented.

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