Continuous-wave Light Detection and Ranging (lidar) Using Image-Reject Homodyne Detection and PRBS Modulation

Katie A. P. Ward,James T. Spollard,Lyle E. Roberts, David C. McClelland,Daniel A. Shaddock

AOS Australian Conference on Optical Fibre Technology (ACOFT) and Australian Conference on Optics, Lasers, and Spectroscopy (ACOLS) 2019（2019）

Australian Natl Univ

Cited 0|Views12

Abstract

We present a continuous wave Light Detection And Ranging (LiDAR) sensor that instantaneously measures distance and radial velocity with strong immunity to interference (e.g., other LiDAR sensors, glare). By automatically prioritising measured information based on velocity and range, our aim is to reduce the processing time required to execute safety-critical decisions in autonomous applications.

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Key words

LiDAR,coherent detection,cross-correlation,digital signal processing,FPGA

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