High-resolution random-modulation cw lidar.

  title={High-resolution random-modulation cw lidar.},
  author={Xiao Ai and Richard Nock and John G. Rarity and Naim Dahnoun},
  journal={Applied optics},
  volume={50 22},
A high-resolution random-modulation continuous wave lidar for surface detection using a semiconductor laser diode is presented. The laser diode is intensity modulated with the pseudorandom binary sequence. Its enhanced resolution is achieved via interpolation and a novel front-end analog technique, lowering the requirement of the analog-to-digital converter sampling rate and the associated circuitry. Its mathematical model is presented, including the derivation of the signal-to-noise ratio and… CONTINUE READING
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