Traditional Pulsed System Laser Pointer Radar
Lidar is an active optical remote sensing detection technology. Its spatial resolution and detection sensitivity. It has unique advantages in anti-interference ability and large-scale actual monitoring. Has been widely used. The traditional pulsed laser pointer radar system is powerful, but it has the problems of high equipment cost and difficult maintenance. Saar lidar technology is a new technology in the field of atmospheric lidar. Compared with traditional pulsed atmospheric lidar technology, it has the advantages of low equipment cost, high cost performance, and low maintenance. 20%. This technology has broad application prospects in the field of atmospheric environment monitoring and is expected to be commercially applied. One device can measure the space-time distribution of particulate matter within a radius of 5 kilometers and a height of 5-7 kilometers. Combined with the measurement results of point-type monitoring instruments, the particle concentration distribution can be calculated. About 5 devices can comprehensively monitor the air condition in Dalian city. Achieve tracking of pollution sources and master the spread of pollutants.
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This research project was supported by the National Key R & D Youth Project and the National Natural Science Foundation of China. Particulate matter, especially PM2.5, has an important impact on human health and the atmospheric environment. Particulate matter content is an important indicator of air quality testing. Efficient and accurate monitoring methods are of great significance to solve the current problems of air pollution monitoring and supervision. The research group will further develop the multi-wavelength Sachs lidar technology in the future. Finally, the particle size distribution of the particles at different heights in the vertical direction of the atmosphere can be detected. Such as the distribution of PM2.5 and PM10. Provide powerful laser pointers for atmospheric environmental monitoring and scientific research.
2020-01-10 01:57:03
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