期刊
2019 IEEE GLOBECOM WORKSHOPS (GC WKSHPS)
卷 -, 期 -, 页码 -出版社
IEEE
DOI: 10.1109/gcwkshps45667.2019.9024559
关键词
dual-frequency; accuracy analysis; pseudo-code ranging; carrier phase ranging
类别
资金
- Shanghai Aerospace Science and Technology Innovation Fund [SAST2018-099]
- National Natural Science Foundation of China [61601122, 61871370]
- Natural Science Foundation of Shanghai, China [18ZR1437500]
- Hundred Talent Program of Chinese Academy of Sciences [Y86BRA1001]
- Fundamental Research Funds for the Central Universities [2242019K40188]
Pseudo-code assisted dual-frequency carrier ranging system is a common way to achieve the high precision objective in inter-satellite ranging network. We analyze the solution of integration ambiguity and the error sources of that and its influence to ranging accuracy in detail. In addition, we analyze the influence of carrier frequency pairs on ranging accuracy. It's pointed out that the selection of carrier frequency pairs should be based on the initial measurement, and the carrier frequency pairs of the second precise measurement should be determined by the two-measurement accuracy. Numerical results corroborate theoretical findings. Moreover, the simulation results show that the pseudo-code-assisted dual-frequency carrier ranging method can achieve cm-level accuracy.
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