Opto-Electronic Engineering, Volume. 51, Issue 3, 230246-1(2024)
Design of high precision phase laser radar ranging system
Figures & Tables(13)
Fig. 8. Key signals in the system collected from the oscilloscope. (a) Main oscillator signal ； (b) Local oscillator signal； (c) Differential frequency echo signal
Table 1. List of main distance measuring instrument parameters abroad
View tableView in ArticleTable 1. List of main distance measuring instrument parameters abroad
生产厂家 Velodyne LiDAR Leica ScanStation Luminar Technologies 所在国 美国 瑞士 美国 仪器型号 HDL-64E Leica ScanStation C10 Luminar Iris 测距方式 相位式 相位式 相位式 激光波段/nm 700~1550 700~1550 1550 激光等级 Class 1 Class 3 Class 1 测程/m 100~200 134~300 250~500 扫描速度/(103points/second) 700~1400 50 122 距离不确定度(k=2) <1 mm@25 m <2.5 mm@15 m <3 cm@280 m
Table 2. Scale length and accuracy table
View tableView in ArticleTable 2. Scale length and accuracy table
频率 长度/m 精确度/m 100 Hz 1.5 0.001 10 Hz 15 0.01 1 Hz 150 0.1 100 kHz 1500 1 10 kHz 15000 10
Table 3. Photoelectric characteristics of HSLD650-5 at 25 ℃
View tableView in ArticleTable 3. Photoelectric characteristics of HSLD650-5 at 25 ℃
性能参数 符号 工作条件 最小值 最大值 单位 峰值波长 λp Po=10 mW - - nm 阈值电流 Ith - - 30 mA 工作电流 Iop Po=10 mW - 40 mA 工作电压 Vop Po=10 mW - 2.5 V PD监控电流 Im Po=10 mW,VRD=5 V 0.05 0.3 mA 平行发散角 θ∥ Po=10 mW 6 10 deg 垂直发散角 θ⊥ Po=10 mW 30 36 deg
Table 4. Measurement results within 0.3 m to 3 m
View tableView in ArticleTable 4. Measurement results within 0.3 m to 3 m
标准值/m 测量均值/m 测量误差/mm 标准差/mm 0.300 0.301 1.000 0.690 0.600 0.602 2.000 0.678 0.900 0.901 1.000 0.734 1.200 1.202 2.000 0.670 1.500 1.503 3.000 0.722 1.800 1.802 2.000 0.740 2.100 2.102 2.000 0.664 2.400 2.403 3.000 0.680 2.700 2.703 3.000 0.696 3.000 3.004 4.000 0.682
Table 5. Measurement results within 3 m to 100 m
View tableView in ArticleTable 5. Measurement results within 3 m to 100 m
标准值/m 测量均值/m 测量误差/mm 标准差/mm 3.000 3.004 4.000 0.682 13.000 13.004 4.000 0.693 23.000 23.005 5.000 0.684 33.000 33.006 6.000 0.658 43.000 43.009 9.000 0.747 53.000 53.007 7.000 0.772 63.000 63.009 9.000 0.733 73.000 73.009 9.000 0.668 83.000 83.010 10.000 0.692 93.000 93.008 8.000 0.616 100.000 99.990 10.000 0.720
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Anran Li, Guangcun Shao, Fengyu Jin, Chuanhui Zhang, Wei Li, Yuanhui Mou, Enlin Cai. Design of high precision phase laser radar ranging system[J]. Opto-Electronic Engineering, 2024, 51(3): 230246-1
Paper Information
Category: Article
Received: Oct. 7, 2023
Accepted: Jan. 15, 2024
Published Online: Jul. 8, 2024
The Author Email: Cai Enlin (蔡恩林)
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