Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
August 4, 2015
Patent Application Number
14072019
Date Filed
November 5, 2013
Patent Citations Received
0
Patent Primary Examiner
Patent abstract
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.
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