China's first 3D surveying and mapping satellite starts networking operation

China's first transmission-type three-dimensional surveying and mapping satellite, Space Mapping-I system, formally started the networking operation recently, according to the Space Mapping Satellite Application Management Center recently. This was another breakthrough after China's successful launching of the No. 01 Satellite of the transmission-type three-dimensional surveying and mapping satellite, Space Mapping-I system, on August 24, 2010.

The No. 01 and No. 02 Satellites of the Space Mapping-I system, China's first satellites to achieve networking operation, can greatly improve the surveying and mapping efficiency and geometric control capability, accelerate the image-capturing speed in the target areas after seamless splicing of the images captured by the two satellites, and enhance information timeliness.

It is a major breakthrough in China's aerospace field and boasts the milestone significance in the development of China's surveying and mapping cause. It marks that China's has fully mastered the key technology of the transmission-type three-dimensional surveying and mapping satellite.

According to a person in charge of the center, the Space Mapping-I satellites are China's first domestic new-generation transmission-type 3D surveying and mapping satellites with completely self-owned property rights.

The Space Mapping-I satellite system has currently produced various types of satellite imaging products and geographic information products, and provided imaging as well as surveying and mapping support for tens of government bodies and institutions including the China Resources Satellite Center, the Ministry of Land and Resources and the State Forestry Administration, playing important role in the national economic construction.

It is learned that China will continue to launch space mapping series satellites in the future so as to jointly constitute a complete aerospace surveying and mapping system together with the Space Mapping-I system and form a space-to-ground detection network with all-weather, all-time, all-factor and multi-resolution functions.

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