Chinese Journal of Lasers, Volume. 46, Issue 12, 1204001(2019)
Measurement of Distance to Moving Target Using Frequency-Modulated Continuous-Wave Interference Technique
Figures & Tables(9)
Fig. 2. Angular frequency relationship of FMCW interference signals under saw-tooth wave modulation
Fig. 3. Angular frequency relationship of FMCW interference signals under triangular wave modulation for moving target
Fig. 6. Frequency spectra of beat signal obtained under different states for the same target position
Fig. 7. Distance measurement results under different states for the same target position
Fig. 8. Distance-tracking measurement results of moving target under triangular wave modulation
Table 1. Speed measurement results of moving target
View tableTable 1. Speed measurement results of moving target
Number Actual speed / (mm·s-1) Measurement result / (mm·s-1) Absolute error / (mm·s-1) Relative error /% 1 2 3 4 5 6 7 8 9 1.000 2.000 3.000 4.000 5.000 6.000 7.000 8.000 9.000 0.999 2.002 3.002 4.004 5.009 6.006 6.994 7.993 8.990 -0.001 0.002 0.002 0.004 0.009 0.006 -0.006 -0.007 -0.010 0.100 0.100 0.067 0.100 0.180 0.100 0.085 0.087 0.111
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Liqiang Jing, Gang Zheng, Bin Sun, Huan Wang, Lang Bai. Measurement of Distance to Moving Target Using Frequency-Modulated Continuous-Wave Interference Technique[J]. Chinese Journal of Lasers, 2019, 46(12): 1204001
Paper Information
Category: measurement and metrology
Received: Jun. 13, 2019
Accepted: Jul. 29, 2019
Published Online: Dec. 2, 2019
The Author Email: Zheng Gang (zhengg@xatu.edu.cn)
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