Yangtze River ** Wuhan Client, January 31 (Reporter Wang Yang, correspondent Wu Liuqing) At 06:05:02 on January 28, Beijing time, Wuhan University's "Luojia No. 3 01 Star" successfully photographed the "Snow Dragon 2" polar scientific research icebreaker docking at Littleton Port in New Zealand. This shooting is of great demonstration significance for the "Luojia-3 01 satellite" to monitor polar dynamics, broaden the scope of services and application efficiency.
Luojia-3 took an image.
The reporter learned that on the afternoon of January 27, Beijing time, the "Snow Dragon 2" scientific research ship carrying out China's 40th Antarctic expedition arrived at Littleton Port in New Zealand for the third time to carry out the transfer of expedition members and material supply, of which 26 team members disembarked after completing the ocean expedition and returned to China by plane.
China's 40th Antarctic Expedition was organized by the Ministry of Natural Resources, relying on the two icebreakers "Snow Dragon" and "Snow Dragon 2" and the "Tianhui" ship to carry out a series of comprehensive surveys, scientific research and the construction of a new station in the Ross Sea in Antarctica. During the port call of the "Snow Dragon 2", the Chinese Antarctic expedition team held an open day at the Port of Lyttelton again after nearly 10 years, and about 400 local people boarded the "Snow Dragon 2" to visit. During the visit, researchers from China and Singapore in the Antarctic field held an academic seminar, and the Chinese delegation and representatives of the expedition team visited the New Zealand Antarctic Bureau.
On the 29th, Beijing time, the "Snow Dragon 2" sailed out of Littleton Port for the third time, and will go to the new station in the Ross Sea in Antarctica again, and will visit other nearby research stations.
The "Snow Dragon 2" scientific research ship arrived at Lyttelton Port in New Zealand for the third time to carry out the transfer of expedition members and the supply of materials.
It is understood that the "Luojia-3 01 satellite" independently developed by Wuhan University is the world's first Internet intelligent remote sensing satellite, which has achieved a breakthrough in reducing the service time of remote sensing information from a few hours to 8 minutes. This leapfrog development has helped popularize satellite remote sensing, and the public can "swipe" satellites by installing custom-developed smart apps on their mobile phones, just like "playing" WeChat. "Luojia No. 3 01 Star" has the following core characteristics:
One is multimode. The light and small remote sensing camera has the characteristics of high-definition, multi-angle stereo, and continuous area imaging, which can meet the observation needs of different application scenarios.
The second is intelligence. Through the intelligent processing unit on board and the lightweight intelligent processing algorithm, the traditional off-board processing and analysis tasks are converted to the satellite for the first time, which can effectively improve the intelligence and effectiveness of satellite services.
The third is interconnection. The innovative integration of satellite-to-ground link and 5G mobile communication has opened up the two-way link between satellite and mobile phone, which can realize minute-level intelligent services from remote sensing data to mobile phones on a global scale, and support the provision of real-time intelligent services of remote sensing information from data acquisition to mobile terminals to the general public.
Fourth, openness. For the first time, an open satellite algorithm platform is provided, and 9 APPs such as target detection, change detection, and image compression are pre-installed in orbit, allowing users to flexibly annotate, update and unload intelligent APP algorithms on board according to different mission requirements.
The trajectory of the "Snow Dragon 2".
As of January 30, the "Luojia-3 01 satellite" has been in orbit for 380 days, using Wuhan University Station, Qitaihe Station, Jinghe Station and other ground stations for measurement and control and data transmission, receiving about 1-3 laps of data transmission data every day, has accumulated more than 600 laps of shooting data, and more than 9 data transmission data of the disk0tb。Since the satellite has been in orbit for more than a year, it has provided timely data services for earthquake relief such as the assessment of the disaster area in Syria in Turkey, the assessment of the collapse of the Alxa coal mine in Inner Mongolia, and the monitoring of Herat in Afghanistan, and will continue to provide real-time intelligent services for the people and the people.
Editor: Zhang Jing].
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