• Laser & Optoelectronics Progress
  • Vol. 47, Issue 8, 80101 (2010)
Zhou Limin1、*, Jiang Yadong1, Zhang Zhengyu2, and Sui Xiaolin2
Author Affiliations
  • 1[in Chinese]
  • 2[in Chinese]
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    DOI: 10.3788/lop47.080101 Cite this Article Set citation alerts
    Zhou Limin, Jiang Yadong, Zhang Zhengyu, Sui Xiaolin. Multi-Laser Beam Measuring System for Detection of Wind Field Displacement Based on Backscatter Signals[J]. Laser & Optoelectronics Progress, 2010, 47(8): 80101 Copy Citation Text show less

    Abstract

    A high-speed data acquisition and processing system with integrated transceivers is designed to measure and monitor the wind fields at real time,which plays an important role in the multi-laser beam displacement measurement of wind field system. It can also realize the real-time extraction of low signal noise ratio (SNR) signals,which transforms rapidly in a wide dynamic range,spatial filtering,precision delay and accurate gate control technology. This system is mainly composed of YAG pulsed laser,avalanche photo diode (APD) detector,cascaded gain amplifiers,analog-to-digital conversion circuitry,field programmable gate array(FPGA) processing chip and its peripheral circuits,single-chip control systems and data transmission circuit. The experimental verification is also carried out,and the results show that multi-beam displacement measuring system can effectively detect the backscatter signals in various distances,by which we can calculate the wind speed and get the wind direction from data analysis.
    Zhou Limin, Jiang Yadong, Zhang Zhengyu, Sui Xiaolin. Multi-Laser Beam Measuring System for Detection of Wind Field Displacement Based on Backscatter Signals[J]. Laser & Optoelectronics Progress, 2010, 47(8): 80101
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