For the first time in China, the experiment was successful!

On the 11th, the reporter learned from Changguang Satellite Technology Co., Ltd

On the 11th, the reporter learned from Changguang Satellite Technology Co., Ltd. (hereinafter referred to as "Changguang Satellite") that the company used a self-developed vehicle mounted laser communication ground station to carry out satellite ground laser high-speed image transmission experiments with the onboard laser communication terminal of the "Jilin No.1" constellation MF02A04 satellite and achieved success.

This indicates that the company has successfully achieved the engineering of the entire business chain of satellite ground laser high-speed image transmission.This is the first time China has independently completed a high-speed image transmission experiment for commercial application of satellite ground laser.

It is reported that this laser communication ground station adopts an onboard configuration, which not only has the characteristics of high bandwidth and miniaturization, but also can be moved and deployed anytime and anywhere. Through the flexible change of the ground station site, it provides effective support for avoiding extreme weather and atmospheric turbulence. This feature will greatly improve the reliability and stability of satellite to ground laser data transmission.

The communication bandwidth of this satellite ground laser image transmission experiment reached 10Gbps (1Gbps is 1 gigabit per second), which is more than 10 times the traditional microwave data transmission bandwidth. In the future, Changguang Satellite plans to expand this bandwidth to 40-100Gbps and deploy stations in multiple locations nationwide, which will greatly improve the efficiency of remote sensing image data acquisition for 'Jilin No.1'. "said Wang Xingxing, the technical director of Changguang Satellite Laser Communication Ground Station.

[Source: Science and Technology Daily]

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