Acta Photonica Sinica, Volume. 48, Issue 12, 1206003(2019)
Digital Correlation Phase Discrimination Algorithm for Doppler Acceleration Measurement
Figures & Tables(6)
Fig. 1. 光纤激光多普勒加速度测量系统Measurement system of fiber laser Doppler acceleration
Fig. 2. 解调加速度与理论加速度对比Comparison between demodulated acceleration and theoretical acceleration
Fig. 3. Experimental setup of the fiber laser Doppler accelerometer measurement system
Fig. 4. Comparison between measured acceleration and simulated acceleration
Table 1. Demodulation error under different SNR
View tableView in ArticleTable 1. Demodulation error under different SNR
SNR(dB) Phase error/rad Demodulation error/(m·s-2) 20 5.4×10-5 0.135 30 4.550×10-5 0.114 40 2.879×10-5 0.072
Table 2. Demodulated error of piezoelectric ceramic oscillator
View tableView in ArticleTable 2. Demodulated error of piezoelectric ceramic oscillator
Group Demodulation error/(m·s-2) 1 0.138 5 2 0.130 6 3 0.132 5
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Ya-dong JING, Ke-ning WANG, Jia-shuang FENG, Xiong-xing ZHANG, Wei WANG. Digital Correlation Phase Discrimination Algorithm for Doppler Acceleration Measurement[J]. Acta Photonica Sinica, 2019, 48(12): 1206003
Paper Information
Received: May. 17, 2019
Accepted: Aug. 14, 2019
Published Online: Mar. 17, 2020
The Author Email: WANG Wei (wangwei@xatu.edu.cn)
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