UV warning technology is one of the important missile warning ways, it detects the radiation signature in the UV solar blind spectral band that is emitted from the approaching hostile missile plume.

紫外告警技术是导弹来袭告警技术的重要类型之一，可利用“日盲区”有效地探测来袭导弹羽烟的紫外辐射。

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There are also military satellites, for the purpose of gathering in formation on the armaments and the troops in countries which may be hostile and also to indicate the launch of a missile.

此外，还有军事卫星，用于收集可能的敌对国的军事情报，还能在有导弹发射时发出信号。

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There are also military satellites, for the purpose of gathering in formation on the armaments and the troops in countries which may be hostile and also to indicate the launch of a missile.

此外，还有军事卫星，用于收集可能的敌对国的军事情报，还能在有导弹发射时发出信号。

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