In this paper investigations of the electromagnctic environment near Earth space by the observation and studying of ULF waves in the maximun period of the 22nd solar cycle are introduced.
本文介绍第22太阳活动周峰年期间利用ULF波的观测和分析，对磁层近地空间电磁环境的研究。
The tensile properties and microstructure of LF6 aluminum alloy weld joint under simulating near earth space environment are studied by means of vacuum thermal cycling system.
采用真空热循环试验装置，模拟近地轨道空间环境，研究了LF 6铝合金焊接接头拉伸性能和微观组织，分析讨论了真空热循环对焊接接头的影响规律。
The radar signal environment near the space plate is simulated and counted by computer through the establishment of ground radar database in this paper.
本文根据现代战场条件下雷达工作模式复杂多变的特点 ，提出了电磁环境仿真中多种雷达数据库的模型 ，实现了雷达数据库维护软件的设计。
Thermal design of near space high-power electronic equipment is very complex because it works in the rigorous space thermal environment.
大功率电子设备发热量大，直接工作在恶劣的空间热环境，其热设计十分复杂。
Thermal design of near space high-power electronic equipment is very complex because it works in the rigorous space thermal environment.
大功率电子设备发热量大，直接工作在恶劣的空间热环境，其热设计十分复杂。
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