China plans to launch the 13th satellite in April, the first high-throughput communication satellite

It was learned from the Fifth Academy of China Aerospace Science and Technology Corporation that China plans to launch the 13th satellite with the Long March 3B carrier rocket in April, which will be China's first high-throughput communication satellite.

Wang Min, deputy director of the Communication Satellite Division of the China Aerospace Science and Technology Group, said that the "communication" of high-throughput satellites means "communication", and its communication capacity will jump by one or two orders of magnitude. The total capacity of “Practice 13” communication exceeds 20 Gbps, which has exceeded the total capacity of communication satellites previously developed by China.

The expansion of communication capacity means that the transmission capacity is stronger. For example, Wang Min said that before the communication satellite simultaneously transmitted dozens of SDTV programs, “Practice 13” could simultaneously transmit dozens of HDTV programs, and in the future, it will deliver 4K Ultra HD TV programs.

Wang Min said that the “Practice No. 13” was the first to apply the Ka-band multi-beam broadband communication system. It is the first high-orbit satellite in China that uses electric propulsion technology, and will also use the laser to carry out the world communication. The localization level of the satellite has reached a new height in China's high-orbit long-life communication satellites. "The key core single machine is independent and controllable, and the localization rate of platform products reaches 100%." ​​He said that after completing the on-orbit technical test verification, "Practice 13" will be included in the "Zhongxing" satellite series.

The “Practice 13” verifies the Dongfanghong No. 3 B platform, and the “Practice 18”, which is expected to be launched in mid-2017, will verify the Dongfanghong 5 satellite platform technology. Zhou Zhicheng, director of the Communication Satellite Division of China Academy of Aerospace Science and Technology, said that the East Five Platform is China's next-generation geosynchronous orbit large satellite public platform with "high load capacity, high power, high heat dissipation, long life, scalability, and more adaptation". Features.

Zhou Zhicheng said that including the "Practice 13" and "Practice 18", the Wuyuan Communication Satellite Division plans to launch six communication satellites this year, such as the geostationary orbit communication satellite for broadcasting and communication. 9A" and "Zhongxing 6C". At present, the number of in-orbit communication satellites made in China is 24.

China Aerospace Science and Technology Group Wuyuan Communication Satellite Division has 40 years of experience in communication satellite development. It has developed China’s first artificial earth satellite “Dongfanghong No.1” and China’s first full-star commercial export satellite “Nigeria Satellite”. China's first generation of relay satellite system "Tianxing No.1" and so on.

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