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マルチパスを用いたGPS潮位計
| Title: | マルチパスを用いたGPS潮位計 |
| Other Titles: | GPS Tide Gauges Using Multipath Signatures |
| Authors: | 日置, 幸介1 Browse this author →KAKEN DB | | 中島, 悠貴2 Browse this author |
| Authors(alt): | Heki, Kosuke1 | | Nakashima, Yuki2 |
| Issue Date: | 2013 |
| Publisher: | 日本測地学会 |
| Journal Title: | 測地学会誌 |
| Volume: | 59 |
| Issue: | 4 |
| Start Page: | 157 |
| End Page: | 162 |
| Abstract: | Multipath from flat reflecting surfaces causes cyclic changes in quantities such as signal-to-noise ratio (SNR) or L4 (difference between the two L-band phases) of microwave signals from Global Positioning System (GPS) satellites. By analyzing their temporal changes, we can infer heights of GPS antennas from such surfaces, e.g. ground or sea surface. In this study we explore the possibility of measuring the sea surface height (SSH) with GPS stations deployed for crustal deformation measurements. We compared results from the ”GPS tide gauges” based on multipath observations and conventional tide gauges during the period from 2012/6/1 to 2012/7/31 at 34 coastal GPS stations, and showed that some of these GPS stations could be used for measuring SSH. For example, SSH measured with Satellite 7 at the Okinawa tide gauge station was accurate to ~27 cm. This is somewhat lower than those reported in previous works possibly reflecting the longer sampling interval. |
| Type: | article (author version) |
| URI: | http://hdl.handle.net/2115/55267 |
| Appears in Collections: | 理学院・理学研究院 (Graduate School of Science / Faculty of Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)
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Submitter: 日置 幸介
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