Real-time Correction Method of Air Phase Disturbance of Antenna Array Based on GNSS Difference

Xi-ping XUE; Chun-lai LI; Hong-bo ZHANG; De-qing KONG; Liang DONG; Yan SU; Xin-ying ZHU; Shun DAI; Jun-duo LI; Chen LI; Yu-xiang WU; Zan WANG

doi:10.3788/gzxb20204909.0901001

Acta Photonica Sinica, Volume. 49, Issue 9, 0901001(2020)

Real-time Correction Method of Air Phase Disturbance of Antenna Array Based on GNSS Difference

Xi-ping XUE1...2,3, Chun-lai LI1,2,3, Hong-bo ZHANG1,2,3, De-qing KONG1,2,3,*, Liang DONG4, Yan SU1,2,3, Xin-ying ZHU1,2, Shun DAI1,2, Jun-duo LI1,2, Chen LI1,2, Yu-xiang WU1,2,3, and Zan WANG1,23 |Show fewer author(s)

Author Affiliations

¹National Astronomical Observatories, Chinese Academy of Sciences, Beijing 100101, China

²Key Laboratory of Lunar and Deep Space Exploration, Chinese Academy of Science, Beijing 100101, China

³University of Chinese Academy of Sciences, Beijing 100049, China

⁴Yunnan Observatories, Chinese Academy of Sciences, Kunming 650000, China

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Figures & Tables(14)

Fig. 1. Diagram of correction method for atmospheric phase disturbance of antenna array

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Fig. 2. of test system

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Fig. 3. Comparison of cycle slip before and after correction (4 777 s)

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Fig. 4. Carrier phase atmospheric disturbance (Aug. 1, 2019)

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Fig. 5. Carrier phase atmospheric disturbance (Jul. 27, 2019)

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Fig. 6. Ionospheric and tropospheric atmospheric disturbances (Aug. 1, 2019)

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Fig. 7. Ionospheric and tropospheric atmospheric disturbances (Jul. 27, 2019)

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Fig. 8. Partial magnification drawing of ionospheric and tropospheric atmospheric disturbances (Aug. 1, 2019)

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Fig. 9. Partial magnification drawing of ionospheric and tropospheric atmospheric disturbances (Jul. 27, 2019)

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Fig. 10. Atmospheric disturbance after correction (Aug. 1, 2019)

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Fig. 11. Atmospheric disturbance after correction (Jul. 27, 2019)

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Fig. 12. RMS of atmospheric disturbance before and after correction

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Table 1. Space position of satellite (average)

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Table 1. Space position of satellite (average)

	Time	Aug.1, 2019 1:30-1:45			Jul.27, 2019 11:15-11:30
Station center	Satellitenumber	BD02	BD08	BD13	BD02	BD08	BD13
Miyun	Azimuth/(°)	224.74	204.07	212.23	226.26	163.05	211.22
Miyun	Pitch/(°)	31.66	62.53	39.51	33.96	58.77	20.98
Kunming	Azimuth/(°)	218.44	147.08	198.15	220.96	112.41	76.49
Kunming	Pitch/(°)	53.32	81.14	61.10	55.70	63.00	80.01

Table 2. RMS of atmospheric disturbance before and after correction
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Table 2. RMS of atmospheric disturbance before and after correction
Time Aug. 1, 2019 1:30-1:45 Jul. 27, 2019 11:15-11:30
Satellite number BD02 BD08 BD13 BD02 BD08 BD13
RMS before correct/mm 4.6 8.4 7.9 3.7 3.3 5.9
RMS after correct/mm 2.0 1.5 2.0 1.9 1.6 2.9

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Xi-ping XUE, Chun-lai LI, Hong-bo ZHANG, De-qing KONG, Liang DONG, Yan SU, Xin-ying ZHU, Shun DAI, Jun-duo LI, Chen LI, Yu-xiang WU, Zan WANG. Real-time Correction Method of Air Phase Disturbance of Antenna Array Based on GNSS Difference[J]. Acta Photonica Sinica, 2020, 49(9): 0901001

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