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Optica Publishing Group
  • Chinese Optics Letters
  • Vol. 5,
  • Issue 1,
  • pp. 51-53
  • (2007)

Detection of air target based on multi-fractal analysis in a laser radar

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A novel approach for detecting laser radar target based on multi-fraction dimension (MFD) of laser clutters has been proposed. The fractal dimension (FD) of laser clutter and the echoes from the plan are estimated using box-counting dimension algorithm. The intrinsic difference in the spectrum of FD Dq between them is extracted and used to detect targets. Experimental results show that the method based on MFD is more reliable than that on FD and can improve the accuracy of detection.

© 2007 Chinese Optics Letters

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