Lidar system using a pseudo-random pulse sequence

Optics: measuring and testing – Range or remote distance finding – With photodetection

Reexamination Certificate

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C356S003010, C356S004010, C356S005100

Reexamination Certificate

active

08072582

ABSTRACT:
A light detection and ranging system includes a transmitter transmitting a transmitted light pulse timing sequence, with pseudo-random timing and including a plurality of light pulses, toward a target. An optical receiver receives a reflected light pulse timing sequence including a plurality of light pulses from the target. An electronic control unit identifies a time delay between the transmitted light pulse timing sequence and the reflected light pulse timing sequence as a function of a correlation between the transmitted and reflected light pulse timing sequences.

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Renaud Matthey, et al., Pseudo-random noise-continuous-wave laser radar for surface and cloud measurements, Science Direct, Optics and Lasers in Engineering, vol. 43, Issues 3-5, Mar.-May 2005, pp. 557-571, World Wide Web page printed Nov. 11, 2009.

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