• Chinese Optics Letters
  • Vol. 13, Issue Suppl., S21204 (2015)
Xin He, Xingwu Long*, Xiaoming Nie, Jian Zhou, and Meixiong Chen
Author Affiliations
  • College of Optoelectronic Science and Engineering, National University of Defense Technology, Changsha 410073, China
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    DOI: 10.3788/COL201513.S21204 Cite this Article Set citation alerts
    Xin He, Xingwu Long, Xiaoming Nie, Jian Zhou, Meixiong Chen. Direction discrimination and low-speed measurement for spatial filtering velocimeter[J]. Chinese Optics Letters, 2015, 13(Suppl.): S21204 Copy Citation Text show less
    Basic principle of SFV.
    Fig. 1. Basic principle of SFV.
    Principle of frequency shifting based on a linear CMOS image sensor.
    Fig. 2. Principle of frequency shifting based on a linear CMOS image sensor.
    Schematic diagram of the SFV.
    Fig. 3. Schematic diagram of the SFV.
    Experimental results of direction discrimination and low-speed measurement.
    Fig. 4. Experimental results of direction discrimination and low-speed measurement.
    Comparison of velocity calculations (a) without frequency spectrum correction and (b) with frequency spectrum correction.
    Fig. 5. Comparison of velocity calculations (a) without frequency spectrum correction and (b) with frequency spectrum correction.
    Relative error of 1 deg/s measurements.
    Fig. 6. Relative error of 1 deg/s measurements.
    Xin He, Xingwu Long, Xiaoming Nie, Jian Zhou, Meixiong Chen. Direction discrimination and low-speed measurement for spatial filtering velocimeter[J]. Chinese Optics Letters, 2015, 13(Suppl.): S21204
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