[1] [1] MAO X ZH, WANG Q X, YANG J G, et al.. Study and implementation of normal geometric thickness for radome ［J］. Machine Tool & Hydraulics, 2013, 41(21): 26-28, 43. (in Chinese)

[2] [2] CONG S, GANG T. Ultrasonic thickness measurement for aluminum alloy irregular surface parts based on spectral analysis ［J］.Transactions of Nonferrous Metals Society of China, 2012, 22(S2): s323-s328.

[3] [3] FENG J Y, FENG Q B, KUANG C F. Present status of high precision laser displacement sensor based on triangulation ［J］. Journal of Applied Optics, 2004, 25(3): 33-36. (in Chinese)

[4] [4] CHEN J, WANG X, CAO J D, et al.. Development of high-speed CCD laser displacement sensor ［J］. Opt. Precision Eng., 2008, 16(4): 611-616. (in Chinese)

[5] [5] WU D, L Q N, CHEN X, et al.. Analysis on measurement range and precision of the oil Film thickness measurement sensor based on differential laser trigonometry ［J］. Journal of Tianjin University: Science and Technology, 2013, 46(11): 998-1002. (in Chinese)

[6] [6] GUO Y, WANG N. Study on laser non-contact thickness measurement method for cold-roll steel sheets based on linear CCD ［J］.Instrument Technique and Sensor, 2014(12): 68-70. (in Chinese)

[7] [7] CHEN G, ZHU X F, XU Q Q, et al.. Multi-resolution wavelet in discontinuous coating thickness measurement ［J］. Control Engineering of China, 2013, 20(1): 175-178. (in Chinese)

[8] [8] CHEN G, ZHU X F, XU Q Q, et al.. Research on electrode film thickness measurement of lithium battery with laser under unknown noise frequency environment ［J］. Chinese Journal of Scientific Instrument, 2015, 36(9): 1978-1986. (in Chinese)

[9] [9] WANG ZH, SU Y, LIU X B, et al.. An approximation hole center positioning method by rotating laser displacement Sensor ［J］. Chinese Journal of Lasers, 2012, 39(6): 0608001. (in Chinese)

[10] [10] WANG ZH ZH, CHEN SH P, WANG Q J, et al.. High accuracy detection algorithm for eccentric signal of grinding wheel ［J］. Opt. Precision Eng., 2016, 24(10): 20-27. (in Chinese)

[11] [11] LIU X B, FU L H, WANG ZH, et al.. Optic axis collinear adjustment method for the double laser displacement sensors combination probe ［J］. Journal of Optoelectronics·Laser, 2013, 24(7): 1363-1369. (in Chinese)

[12] [12] MARESCA P, GMEZ E, CAJA J, et al.. Use of coordinate measuring machines and digital optical machines for the geometric characterization of circumference arcs using the minimum zone method ［J］. Measurement, 2010, 43(6): 822-836.

[13] [13] SHEN T A, TU Y Q, LI M, et al.. An improved method for phase difference measurement based on correlation theory ［J］. Journal of Vibration and Shock, 2014, 33(21): 177-182. (in Chinese)