遇见数据集

Continuous GNSS raw data measured from POLARSTERN deck during the MOSAiC expedition with POLARSTERN to the Arctic on 2020-08-29@en

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DataONE2024-10-30 更新2026-05-27 收录
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Raw data acquired by a JAVAD Delta 3 GNSS Receiver with a resolution of 50Hz on board RV Polarstern during the MOSAiC expedition. The data is stored in JAVAD's .jps format (JAVAD GNSS, GREIS – GNSS Receiver External Interface Specification, San Jose, USA, 2022 (download available at https://www.javad.com/jgnss/support/manuals.html)). Each file contains data of one day with a typical file size of 1GB. The receiver was equipped with a multi-frequency GNSS antenna which was mounted on the ship's observation deck. It has to be noted that the main mast and the ship's chimney lead to a shadowing of GNSS observation links in at least two directions seen from the antenna position. The data was collected for measuring scintillation activitiy in the central arctic. Processed scintillation measurements with a 1 minute resolution are available (doi:10.1594/PANGAEA.956019).

本数据集为MOSAiC北极科考航次期间,搭载于极星号(RV Polarstern)科考船的JAVAD Delta 3型全球导航卫星系统(GNSS)接收机所采集的原始数据,采样率为50Hz。 该数据以JAVAD专用的.jps格式存储(JAVAD GNSS,《GREIS——GNSS接收机外部接口规范》,美国圣何塞,2022年,下载链接:https://www.javad.com/jgnss/support/manuals.html)。单文件单日数据的典型容量约为1GB。 该接收机搭载多频GNSS天线,安装于科考船观测甲板之上。需特别说明:从天线安装位置观测,船舶主桅杆与烟囱会对至少两个方向的GNSS观测链路造成信号遮挡。 本次数据采集旨在观测北极中部区域的电离层闪烁活动。另有分辨率为1分钟的经处理电离层闪烁测量数据可供获取,其DOI编号为10.1594/PANGAEA.956019。

创建时间:
2026-04-27
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