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  • Lasers and Masers; Earth Resources and Remote Sensing; Acoustics; Communications and Radar  (1)
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    Time Shifted PN Codes for CW Lidar, Radar, and Sonar (2013)
    In:  CASI
    Details
    Publication Date: 2019-08-28
    Description: A continuous wave Light Detection and Ranging (CW LiDAR) system utilizes two or more laser frequencies and time or range shifted pseudorandom noise (PN) codes to discriminate between the laser frequencies. The performance of these codes can be improved by subtracting out the bias before processing. The CW LiDAR system may be mounted to an artificial satellite orbiting the earth, and the relative strength of the return signal for each frequency can be utilized to determine the concentration of selected gases or other substances in the atmosphere.
    Keywords: Lasers and Masers; Earth Resources and Remote Sensing; Acoustics; Communications and Radar
    Format: application/pdf
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