Yuzhou Liu, Bin Zhao. Improving the accuracy of the phase difference in a high-frequency range finder[J]. Chinese Optics Letters, 2015, 13(Suppl.): S21501
- Chinese Optics Letters
- Vol. 13, Issue Suppl., S21501 (2015)
Fig. 1. Block diagram of the phase difference laser range finder.
Fig. 2. The influences of the crosstalk on the phase difference and distance, for β = 50 ° C / B = 1 / 40 f = 1.5 GHz
Fig. 3. The actual periodic errors of the range system.
Fig. 4. Phase difference drift.
Fig. 5. Block diagram of the proposed phase difference laser range finder.
Fig. 6. Phase difference drift of the modified system.
Fig. 7. Experimental setup.
Fig. 8. Distance error of the range finder.
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