欧盟空间计划局（EUSPA）：2023年度空间领域用户需求与技术要求分析报告（英文版）

This document is part of the User Requirements documents issued by the European Union Agency for the Space Programme for the Market Segments where Position Navigation and Time (PNT), Earth Observation (EO), and Space Situational Awareness (SSA) data play a key role. The document is intended to provide a reference for the EU Space Programme and for the Space community, reporting periodically the most up-to-date user needs and requirements in the Space market segment. It is a public document av