Deep ICE (DICE) Radar Dataset from Ross Ice Shelf (ROSETTA-Ice)

This Deep ICE (DICE) radar dataset is from the pulse-chirp depth sounding radar system on board the IcePod while deployed with the ROSETTA-Ice Project during the austral summers of November 2015 - December 2017. DICE data was collected along the ROSETTA-Ice Survey grid where possible. More detailed information is included in the ReadMe, including flight lines with data loss. DICE is a dual channel sensor with pulse-chirp rate of 1us and 3us, which means the data can be processed in four pulse/channel configurations: 1usCh1, 3usCh1, 1usCh2, and 3usCh2. The included dataset is 3usCh1 DICE, which is the preferred configuration. The preferred configuration is 3usCh1, which is included in this dataset. This data was processed at Lamont-Doherty Earth Observatory using MATLAB scripts developed in-house by Tejendra Dhakal and Nicholas Frearson, with CReSIS 2014 MCoRDS scripts as a foundation. As such, all processed levels of this data product are Matfiles. Included in this dataset are the following: * DICE level2a data Matfiles, separated by ROSETTA-Ice Survey Grid Line Number; * DICE long-line images at 300dpi (PNGs) for easy data viewing rendered in MATLAB from level2 data; * DICE Ice Base digitization picks, rendered manually using MATLAB picking script; * DICE digitization frame images (picked and un-picked) as JPGs output from picking process本Deep ICE (DICE)雷达数据集源自搭载于IcePod平台的脉冲啁啾测深雷达系统，该系统随ROSETTA-Ice项目于2015年11月至2017年12月的南极夏季开展部署。尽可能沿ROSETTA-Ice勘测网格采集DICE雷达数据。详细信息（含存在数据丢失的飞行航线）可参阅附带的ReadMe文档。 DICE为双通道传感器，脉冲啁啾速率分别为1微秒（1us）与3微秒（3us），因此数据可通过四种脉冲/通道配置进行处理：1usCh1、3usCh1、1usCh2及3usCh2。本数据集包含的即为推荐采用的3usCh1配置DICE数据。 本数据集的处理工作于拉蒙特-多尔蒂地球观测站完成，由Tejendra Dhakal与Nicholas Frearson自研的MATLAB脚本执行，以CReSIS 2014 MCoRDS脚本作为开发基础。因此，本数据产品的所有处理层级文件均为MATLAB数据文件（Matfiles）。 本数据集包含以下内容： * 按ROSETTA-Ice勘测网格航线编号拆分存储的DICE level2a数据Matfiles； * 基于level2级数据通过MATLAB渲染生成的300dpi分辨率DICE长线图像（PNG格式），便于直观查看数据； * DICE冰底界面数字化拾取点数据，通过MATLAB拾取脚本手动生成； * 数字化拾取过程输出的JPG格式DICE拾取帧图像（含已拾取与未拾取两类）