1. SMOS数据介绍
The Soil Moisture and Ocean Salinity (SMOS) 卫星是欧空局发射的一颗以探测地球土壤水含量以及海表盐度为目标的卫星,卫星所搭载的唯一载荷为Microwave Imaging Radiometer using Aperture Synthesis (MIRAS微波成像综合孔径辐射计)。
SMOS的数据体系,目前有以下级别:
(1) Raw data:
SMOS Payload data in their original format (CCSDS packets)
(2) Level 0 data products:
These are SMOS payload data in so-called Source Packets with added Earth Explorer product headers. They are chronologically sorted by Source Packet type: Observation Data and Housekeeping Telemetry.
(3) Level 1 data products:
Level 1A data products: Reformatted and calibrated observation and housekeeping data in engineering units.
Level 1B data products: Output of the image reconstruction of the SMOS observation measurements and consist of Fou