An illustration of space–air–ground integrated network (SAGIN) providing comprehensive city protection. (IMAGE)

Higher Education Press

An illustration of space–air–ground integrated network (SAGIN) providing comprehensive city protection.

Caption

An illustration of  space–air–ground integrated network (SAGIN) providing comprehensive city protection.

Credit

Nuo Chen, Yujie Song, Yue Cao, Zhili Sun, Bo Zhao, Mi Wang, Debiao He, and Guojun Peng

Usage Restrictions

Credit must be given to the creator. Only noncommercial uses of the work are permitted. No derivatives or adaptations of the work are permitted.

License

CC BY-NC-ND

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