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Research on a Wind Lidar Without Blind Zone Based on the Technologies of Pseudo Random Code Phase Modulation and Heterodyne Detection

机译:基于伪随机码相位调制和外差检测技术的无盲区风潮汐的研究

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摘要

In this measurement method, a wind lidar system with no blind zone based on the technologies of heterodyne detection and pseudorandom code phase modulation is proposed. The simulation results show the feasibility of the method. 15m range resolution and 7.75cm/s line of sight (LOS) wind velocity resolution can be achieved from 0 m to 300m, when the laser transmitted power is 2mW, the transmitted pulse length is 100us, the receiving telescope aperture is 2cm, and an accumulation times of 10. The simulation results also show the positive effect of the transmitted pulse length.
机译:在该测量方法中,提出了一种基于外差检测技术和伪随机码相位调制的无盲区域的风潮系统。仿真结果显示了该方法的可行性。 15米范围分辨率和7.75cm / s视线(LOS)风速分辨率可以从0米到300米实现,当激光传输功率为2MW时,传输的脉冲长度为100U,接收望远镜孔径为2cm,并且累积时间为10.仿真结果还显示了透射脉冲长度的正效应。

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