Acta Photonica Sinica, Volume. 49, Issue 2, 0215002(2020)
Coaxiality Error Measurement Technology for GNSS Antenna Connector
Figures & Tables(14)
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
Table 1. Data from repeated measurement experiments
View tableView in ArticleTable 1. Data from repeated measurement experiments
No. α /radr 1/mmβ /radr 2/mmγ /radr 3/mmE /mm1 2 3 4 5 6 7 8 9 10 σ 3.58 0.132 3.44 3.47 3.47 3.48 3.51 3.48 3.54 3.51 3.37 3.56 0.05 0.220 0.217 0.220 0.221 0.221 0.212 0.217 0.212 0.204 0.202 0.007 3.46 3.43 3.42 3.49 3.45 3.52 3.43 3.60 3.01 3.71 0.18 0.086 0.085 0.084 0.085 0.083 0.083 0.078 0.086 0.079 0.087 0.003 0.105 0.096 0.096 0.099 0.090 0.098 0.087 0.103 0.080 0.109 0.009
Table 2. Repeated measurement experiment of GNSS ultra short baseline
View tableView in ArticleTable 2. Repeated measurement experiment of GNSS ultra short baseline
Date NS/mm EW/mm D /mmNov.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
Table 3. Measurement results of coaxiality error of the connectors
View tableView in ArticleTable 3. Measurement results of coaxiality error of the connectors
No. φ /radα /radr 1/mmβ /radr 2/mmγ /radr 3/mmθ /radl /mmE /mm1 2 3 4 5 6 2.47 －0.92 2.58 －1.59 －2.20 0.05 4.22 0.40 0.00 4.35 5.14 4.07 5.04 4.26 0.35 0.73 0.21 0.88 0.39 1.69 0.545.17 0.20 4.32 5.97 4.24 0.63 0.27 0.27 0.33 0.44 1.12 1.50 －2.70 1.40 －2.90 2.29 －1.79 0.03 0.21 0.10 0.22 0.15 0.18 0.66 0.48 0.37 0.55 0.59 1.30
Table 4. Baseline measurement results before and after correction
View tableView in ArticleTable 4. Baseline measurement results before and after correction
No. φ 2/radφ 3/radNSc/mm EWc/mm NS/mm EW/mm d /mmNS′/mm EW′/mm d ′/mm1 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
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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
Paper Information
Received: Oct. 29, 2019
Accepted: Dec. 16, 2019
Published Online: Mar. 19, 2020
The Author Email: ZHANG Fu-min (zhangfumin@tju.edu.cn)
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