Video satellite

Created by: Zhongyuan Wang
Revised by: Chaya Zeng, Youke Zhang

The video satellite is a new type of earth observation satellite. Compared with traditional satellites for Earth observation, the most distinctive feature is that it can perform “gazing” observations on certain regions and obtain more dynamic information than traditional satellites by video recording. The dynamic information is particularly suitable for observing dynamic targets and analyzing their transient characteristics.

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The so-called "gazing" means that with the movement of the satellite, the optical imaging system is always staring at a certain target area and can continuously observe the changes in the visual field. There are two main means to achieve "staring". One is the use of geostationary orbit optical imaging satellites, and the other is the use of low-orbit optical imaging satellites with high agility or image motion compensation capabilities.