GNSS天线连接器同轴度误差测量技术 
下载： 579次
Coaxiality Error Measurement Technology for GNSS Antenna Connector
1 中国地震局第一监测中心, 天津 300180
2 天津大学 精密测试技术及仪器国家重点实验室, 天津 300072
图 & 表
图 1. 同轴度误差模型Coaxiality error model
Fig. 1. 同轴度误差模型Coaxiality error model
下载图片 查看原文
图 2. 连接器及其同轴度误差模型Connector and coaxiality error model
Fig. 2. 连接器及其同轴度误差模型Connector and coaxiality error model
下载图片 查看原文
图 3. 简化模型Simplified model
Fig. 3. 简化模型Simplified model
下载图片 查看原文
图 4. 装置结构图Device structure drawing
Fig. 4. 装置结构图Device structure drawing
下载图片 查看原文
图 5. 同轴度误差测量模型Measurement model of coaxiality error
Fig. 5. 同轴度误差测量模型Measurement model of coaxiality error
下载图片 查看原文
图 6. Image of experiment site
Fig. 6. Image of experiment site
下载图片 查看原文
图 7. 转接螺杆端面圆心提取过程Extraction process of the center of the transfer screw end face
Fig. 7. 转接螺杆端面圆心提取过程Extraction process of the center of the transfer screw end face
下载图片 查看原文
图 8. 转接螺杆端面图像Face images of the transfer screw
Fig. 8. 转接螺杆端面图像Face images of the transfer screw
下载图片 查看原文
图 9. 转接螺杆端面圆心轨迹Center orbit of the transfer screw end face
Fig. 9. 转接螺杆端面圆心轨迹Center orbit of the transfer screw end face
下载图片 查看原文
图 10. 螺纹杆端面圆心轨迹Center orbits of the threaded rod end face
Fig. 10. 螺纹杆端面圆心轨迹Center orbits of the threaded rod end face
下载图片 查看原文
表 1重复测量实验数据
Table1. Data from repeated measurement experiments
| No. | α/rad | r1/mm | β/rad | r2/mm | γ/rad | r3/mm | E/mm | | 12345678910σ | 3.58 | 0.132 | 3.443.473.473.483.513.483.543.513.373.560.05 | 0.2200.2170.2200.2210.2210.2120.2170.2120.2040.2020.007 | 3.463.433.423.493.453.523.433.603.013.710.18 | 0.0860.0850.0840.0850.0830.0830.0780.0860.0790.0870.003 | 0.1050.0960.0960.0990.0900.0980.0870.1030.0800.1090.009 |
|
查看原文
表 2GNSS超短基线重复测量实验
Table2. Repeated measurement experiment of GNSS ultra short baseline
| Date | NS/mm | EW/mm | D/mm | | Nov.26 | 10 584.87 | －6 621.96 | 12 485.94 | | Nov.27 | 10 584.97 | －6 622.04 | 12 486.07 | | Nov.28 | 10 584.86 | －6 621.89 | 12 485.90 | | Nov.29 | 10 584.98 | －6 622.12 | 12 486.12 | | Nov.30 | 10 584.97 | －6 622.16 | 12 486.14 | | Dec.1 | 10 584.94 | －6 622.17 | 12 486.11 | | Dec.2 | 10 585.03 | －6 622.04 | 12 486.12 | | Dec.3 | 10 585.12 | －6 622.00 | 12 486.18 | | Dec.4 | 10 584.67 | －6 622.08 | 12 485.84 | | Dec.5 | 10 584.75 | －6 621.92 | 12 485.82 | | σ | 0.13 | 0.10 | 0.13 |
|
查看原文
表 3连接器同轴度误差测量结果
Table3. Measurement results of coaxiality error of the connectors
| No. | φ/rad | α/rad | r1/mm | β/rad | r2/mm | γ/rad | r3/mm | θ/rad | l/mm | E/mm | | 123456 | 2.47－0.922.58－1.59－2.200.05 | 4.220.40 | 0.004.355.144.075.044.26 | 0.350.730.210.880.391.69 | 0.545.170.204.325.974.24 | 0.630.270.270.330.441.12 | 1.50－2.701.40－2.902.29－1.79 | 0.030.210.100.220.150.18 | 0.660.480.370.550.591.30 | |
|
查看原文
表 4修正前后的基线测量结果
Table4. Baseline measurement results before and after correction
| No. | φ2/rad | φ3/rad | NSc/mm | EWc/mm | NS/mm | EW/mm | d/mm | NS′/mm | EW′/mm | d′/mm | | 1 | 0.79 | 3.05 | 0.56 | 0.30 | 10 585.61 | －6 622.66 | 12 486.58 | 10 585.05 | －6 622.96 | 12 486.26 | | 2 | 3.32 | 1.57 | 0.48 | 0.06 | 10 585.54 | －6 623.41 | 12 486.92 | 10 585.06 | －6 623.47 | 12 486.55 | | 3 | 0.79 | 1.13 | －0.29 | 0.18 | 10 584.79 | －6 623.09 | 12 486.12 | 10 585.08 | －6 623.27 | 12 486.46 | | 4 | 2.88 | 2.44 | 0.51 | －0.16 | 10 585.55 | －6 623.56 | 12 487.01 | 10 585.04 | －6 623.40 | 12 486.50 | | 5 | 2.09 | 0.52 | 0.34 | －0.18 | 10 585.72 | －6 623.48 | 12 487.11 | 10 585.38 | －6 623.30 | 12 486.73 | | 6 | 4.19 | 1.92 | －0.07 | 0.98 | 10 585.14 | －6 622.24 | 12 485.96 | 10 585.21 | －6 623.22 | 12 486.54 | | σ | | | | | 0.35 | 0.53 | 0.48 | 0.14 | 0.18 | 0.15 |
|
查看原文
苏国营, 张福民, 韩勇, 李文一. GNSS天线连接器同轴度误差测量技术[J]. 光子学报, 2020, 49(2): 0215002. Guo-ying SU, Fu-min ZHANG, Yong HAN, Wen-yi LI. Coaxiality Error Measurement Technology for GNSS Antenna Connector[J]. ACTA PHOTONICA SINICA, 2020, 49(2): 0215002.
PDF全文
