Precise positioning of spacecrafts by multi-frequency VLBI
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- Kono Yusuke
- Division of Earth Rotation, National Astronomical Observatory
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- Hanada Hideo
- Division of Earth Rotation, National Astronomical Observatory
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- Jinsong Ping
- Division of Earth Rotation, National Astronomical Observatory
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- Koyama Yasuhiro
- Kashima Space Research Center, Communications Research Laboratory
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- Fukuzaki Yoshihiro
- Geographical Survey Institute
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- Kawano Nobuyuki
- Division of Earth Rotation, National Astronomical Observatory
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Multi-Frequency VLBI (MFV) is one of the most powerful methods for precise positioning of spacecrafts. The system transmits three carrier waves at S-band and one wave at X-band. These frequencies are set to resolve the cycle ambiguity of carrier wave at X-band from two group delays between carrier waves and one phase delay of the carrier wave at S-band. The procedure to resolve the cycle ambiguity is proposed in this article. Some conditions about frequency variation and prediction of position and the ionosphere are also clarified for resolving the cycle ambiguity. The dedicated recording system for MFV is developed. A preliminary observation of MFV is carried out with this system by using Lunar Prospector. As a result of the experiment, residual phases from predicted ones are within ±2π, and the RMS of the residual for the period of several seconds is about 4 degrees. This result supports realization of the MFV.
収録刊行物
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- Ｅａｒｔｈ， Ｐｌａｎｅｔｓ ａｎｄ Ｓｐａｃｅ
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Ｅａｒｔｈ， Ｐｌａｎｅｔｓ ａｎｄ Ｓｐａｃｅ 55 (10), 581-589, 2003
地球電磁気・地球惑星圏学会 、公益社団法人 日本地震学会、特定非営利活動法人 日本火山学会、日本測地学会、日本惑星科学会
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詳細情報 詳細情報について
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- CRID
- 1390001206511772288
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- NII論文ID
- 10011943654
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- NII書誌ID
- AA11211921
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- ISSN
- 18805981
- 13438832
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- NDL書誌ID
- 6794614
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
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- KAKEN
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