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Signal Processing in Solid-State Coherent Lidar Using LabVIEW
Author(s): YANG Su-hui, JIANG Qi-jun, ZHANG Hai-yang, GUAN Jun-na, ZHAO Chang-ming
Pages: 1105-
1108,1112
Year: 2008
Issue:
12
Journal: Transactions of Beijing Institute of Technology
Keyword: 相干激光雷达; 信号处理; 多普勒频移; 放大镜式的快速傅里叶变换;
Abstract: 建立了固体相干激光雷达对运动目标速度的测量系统. 雷达发射源为种子注入Nd∶YAG 脉冲激光器,回波通过光纤耦合器与本振合束,利用泰克示波器采集外差信号,使用LabVIEW进行信号处理. 利用测量多普勒频移测量运动目标的速度,使用放大镜式的快速傅里叶变换提高频谱的频率分辨率,从而提高了测量速度的精度.
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