Traditional Culture Encyclopedia - Photography major - The emergence of new applications of "Beidou+" and "Digital Earth" will create a new infrastructure of space and time
The emergence of new applications of "Beidou+" and "Digital Earth" will create a new infrastructure of space and time
Xinhua News Agency, Beijing, July 15th: New applications of "Beidou+" emerge and "Digital Earth" will create a new infrastructure of space and time
When heavy rains hit, the meteorological department can use satellite information Timely warning. In the future, autonomous driving, smart logistics, smart cities, etc. are also expected to rely on air and space information from thousands of miles away to plan strategies.
As new applications such as "Beidou+" and "Gaofen+" continue to emerge, the "Digital Earth" technology that integrates air and space information continues to be upgraded, and new infrastructure with dual dimensions of time and space will be created.
Disaster warning, carbon neutrality... "Digital Earth" application has a "blowout"
This is a special map: not only static pictures of farmland, rivers, and traffic routes, There are also real-time pictures of vehicle movements, logistics and transportation, as well as dynamic data such as weather, haze, and emissions.
Multiple data fusion, space and time coexist. Using remote sensing satellites, navigation satellites, aerial photography and other aerospace resources and geographical information technology to build a digital, visual, networked and intelligent global information model, this is the "Digital Earth".
Based on thermal and trajectory analysis, traffic congestion can be alleviated; combined with high-precision positioning of vehicles, logistics and transportation will be safer and more efficient; in many fields such as agriculture, disaster warning, and carbon neutrality, the sky and sky Data can be empowered and generate a large number of new application scenarios.
"Big data in space and space brings possibilities for many applications." Wu Yirong, an academician of the Chinese Academy of Sciences and director of the Institute of Aerospace Information Innovation of the Chinese Academy of Sciences, said that in the past, the application of earth observation data was mainly through manual identification. It has been transformed into human-machine collaboration and intelligent extraction. In the future, artificial intelligence will perform automated operations to provide support for a large number of new applications.
my country successfully launched the Gaofen-1202 satellite. Published by Xinhua News Agency (photo by Wang Jiangbo)
Beidou, Gaofen...the integration of air and space data shows advantages
Modern logistics must be based on high-precision location tracking and time synchronization, and smart agriculture must have To support high-precision construction information, drone formations require precise time and location...
Wu Haitao, deputy chief designer of Beidou Satellite Navigation System Engineering, said that "Digital Earth" serves as a bridge between satellite resources in the sky and industries on the ground. The application carrying platform has significant advantages in promoting Beidou application integration and industry collaborative development.
At present, the Beidou system's highest precision real-time processing can reach the centimeter level, and post-processing can reach the millimeter level. It comprehensively serves industries such as transportation, public security, disaster relief and reduction, agriculture, forestry, animal husbandry, fishery, and urban governance.
The Gaofen system coordinates the construction of high-resolution earth observation systems based on satellites, stratospheric airships and aircraft, improves ground resources, and combines them with other observation methods to form all-weather, all-day, global coverage Earth observation capabilities.
Shao Zongyou, vice chairman of the China Software Industry Association and president of Zhongke Xingtu Co., Ltd., believes that Beidou + Gaofen can build a more refined spatio-temporal big data management and control platform, such as natural landforms, The underground pipe network provides a more accurate three-dimensional display, provides more sophisticated emergency prevention and control for meteorological and geological disasters, and can even be used in areas such as carbon-neutral precise emission assessment.
Transportation, agriculture, emergency... create a "one-stop" aerospace information platform
Public data shows that my country has more than 300 satellites operating in orbit. With the advancement of technology, satellite positioning is becoming more and more accurate, and the resolution continues to improve.
Despite the huge amount of data, the data support currently provided by industries such as natural resources, transportation, emergency response, and agriculture is still insufficient. The reason is that experts believe that there are too many and too complex data acquisition links, leaving the ground industry at a loss.
Some people compare it to queuing up in an office lobby. There are many windows, each with different functions, and everyone doesn’t know what to do.
Applying new generation information technologies such as high-performance computing, artificial intelligence, cloud computing, big data and virtual reality, "Digital Earth" is building a "one-stop" aerospace information platform - using one software to control The intermediate links such as satellite photography, decoding, modeling, and application are encapsulated, and ground applications only need to deal with this one software.
"We need to make air and space data more intelligent and provide a solid 'digital base' for various applications." Shao Zongyou said.
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