激光与光电子学进展, 2021, 58 (3): 0312004, 网络出版: 2021-03-12
三通道调频连续波激光干涉位移测量系统 下载: 502次
Three-Channel Frequency-Modulated Continuous-Wave Laser Interferometric Displacement Measurement System
图 & 表
图 5. 三通道FMCW激光干涉系统的电路板
Fig. 5. Circuit board for three-channel FMCW laser interference system
图 9. 同步信号添加前后的拍频信号。(a)添加前; (b)添加后
Fig. 9. Beat signal before and after adding synchronization signal. (a) Before adding; (b) after adding
图 10. 同步信号添加前后特征点的相关性。(a)添加前; (b)添加后
Fig. 10. Correlation of feature points before and after adding synchronization signal. (a) Before adding; (b) after adding
图 11. 不同通道的位移误差散点。(a)通道1; (b)通道2; (c)通道3
Fig. 11. Scatter points of displacement errors of different channels. (a) Channel 1; (b) channel 2; (c) channel 3
表 1各芯片信号线的走线长度
Table1. Routing length of each chip signal line
|
表 2稳定性测试结果
Table2. Stability test results
|
盛启明, 郑刚, 张雄星, 孙彬, 井李强, 韩园. 三通道调频连续波激光干涉位移测量系统[J]. 激光与光电子学进展, 2021, 58(3): 0312004. Sheng Qiming, Zheng Gang, Zhang Xiongxing, Sun Bin, Jing Liqiang, Han Yuan. Three-Channel Frequency-Modulated Continuous-Wave Laser Interferometric Displacement Measurement System[J]. Laser & Optoelectronics Progress, 2021, 58(3): 0312004.