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利用法拉第反常色散滤光器(FADOF)透射频谱曲线稳定而又可调谐的特点,设计了一种测速多普勒激光雷达,一方面用其对发射激光稳频,同时用同种原子的FADOF对回波光鉴频,使发射激光频率和鉴频曲线建立相对稳定的关系,可有利于提高测速精度.试验系统采用Cs原子FADOF,在-40~40 m/s的测速范围内,测速误差为±0.74 m/s.

参考文献

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