Observations of field-aligned irregularities in the ionosphere using multi-frequency range imaging technique

Jenn Shyong Chen, Yen Hsyang Chu, Ching Lun Su, Hiroyuki Hashiguchi, Ying Li

研究成果: 書貢獻/報告類型會議論文篇章同行評審

摘要

Multi-frequency range imaging (RIM) implemented in the Middle and Upper atmosphere Radar (MUR; 34.85°N, 136.10°E) was utilized for the first time to observe the field-aligned irregularities (FAI) in the mid-latitude ionosphere. Five frequencies equally spaced between 46 MHz and 47 MHz were employed. Two types of RIM data collected with 16-element binary complementary codes and without phase codes were examined, respectively. It is shown that RIM works well and can resolve striation structures of FAI within the pulse length, thereby improving the range resolution of measurement greatly. However, duplicated echoes due to code-sidelobes appeared frequently at altitudes above and below the source regions. A procedure taking advantage of RIM to mitigate the code-sidelobe echoes is progressing.

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主出版物標題2015 IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2015 - Proceedings
發行者Institute of Electrical and Electronics Engineers Inc.
頁面3929-3932
頁數4
ISBN(電子)9781479979295
DOIs
出版狀態已出版 - 10 11月 2015
事件IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2015 - Milan, Italy
持續時間: 26 7月 201531 7月 2015

出版系列

名字International Geoscience and Remote Sensing Symposium (IGARSS)
2015-November

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???event.eventtypes.event.conference???IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2015
國家/地區Italy
城市Milan
期間26/07/1531/07/15

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