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A new method is proposed to calibrate the gain ratio for polarization lidars in this paper, which involves a half-wave plate (HWP) placed immediately upstream of the polarizing beam splitter (PBS) in the receiver of polarization lidars. Gain ratio can be determined by rotating the HWP by 45° without key assumptions. The calibration results of this new method are independent of the monitored atmosphere...
Processes and strengths of the ocean's biological carbon pump are significant to the study of ocean carbon cycle. However, the development and the utilization of the ocean's biological carbon pump are greatly limited because of human's limited knowledge of the ocean. Remote sensing methods have played important roles in understanding and exploring the ocean, and the lidar is one of the most outstanding...
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