详细地讨论了微分吸收激光雷达测量气体密度时中心频率的漂移所引起的测量误差。

The measurement error of differential absorption laser radar caused by the shift of its center frequency in measuring atmosphenc density has been discussed particularly.

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本文从旋转变频磁控管式频率捷变雷达的本振频率跟踪原理出发，分析了产生本振频率跟踪误差的主要因素。

The' main factors resulting in local frequency tracking error are analyzed based on the principles of the tracking local oscillator for frequency agile radars of rotary tuning magnetron type.

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通过适当调节两光束的频率调制幅度，可有效地实现克尔效应误差的消除。

Through proper adjustment to frequency modulation amplitude, the Kerr-effect-induced bias can be effectively reduced.

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