At 9:43 on June 23, 2020, with the successful launch of the last networking satellite of beidou-3 in Xichang Satellite Launch Center, China’s Beidou satellite navigation system has been completedFully completed。 From 2000 to 2020, from the launch of the first satellite of Beidou-1 to the orbit entry of the last satellite of beidou-3, China has finally had its own global satellite navigation system for 20 years, and we will get rid of our dependence on GPS.
Today, Beidou system has been widely used in all aspects of production and life, such as power, finance, communication, transportation, agriculture, surveying and mapping, disaster reduction and relief. With the help of Beidou, China’s national defense force will be stronger（ Note: Beidou satellite navigation system (BDS), GPS of the United States, GLONASS of Russia and Galileo of the European Union are suppliers recognized by the United Nations Satellite Navigation Commission
Interface introduction and effect preview
useHT for WebSelf developed2D/3DEngine, through setting up the scene, matching the data panel and animation driving, the satellite launch demo is produced, as shown in the figure below is a complete interface display:
It is composed of a central scene and data panels on both sides. The scene supports conventional rotation, translation and viewing angle scaling. The data panel simulation shows some relevant information of rockets and satellites.
Rocket launch and satellite orbit flight animation
The five animation processes of rocket launch are as follows:
- Complete charge inspection, stabilizer ignition and launch deployment
- Booster ignition, acceleration
- Booster separation, two-stage rocket ignition, release thrust
- The fairing was stripped and the two-stage rocket separated
- Release the satellite into orbit
The five time nodes of the timeline correspond to the above five processes respectively. Click the time node to play the corresponding process animation separately, as follows is the third flight process:
Play: start playing the animation
Pause: pause animation
Resume: resume animation
Replay: replay the animation
Representation of fuel surplus
Simulate rocket and thruster fuel reserve information.
The list records different stages in the satellite launch process. Click [show] to display the scene interface at that time.
Beidou satellite navigation system is a satellite navigation system independently built and operated by China focusing on the needs of national security and economic and social development. It is an important national space infrastructure that provides all-weather, all-time and high-precision positioning, navigation and timing services for users all over the world. Satellite navigation system is a global public resource. Multi system compatibility and interoperability has become a development trend. China China has always adhered one’s own to one belt, one road, the other is the development of the “Beidou and the Beidou”, and actively promoted the international cooperation of the Beidou system. Work together with other satellite navigation systems and with various countries, regions and international organizations to jointly promote the development of global satellite navigation, so that Beidou system can better serve the world and benefit mankind.
As the only delivery vehicle of Beidou satellite, the Long March 3 Series rocket has also made great contributions. In the past 20 years, it has been launched up to 44 times. It is loaded with Beidou series satellites, carrying the hope and future of the motherland’s navigation system, flying to the vast universe, successfully sending the satellite into the predetermined orbit, and making great contributions to the birth and maturity of Beidou satellite navigation system.
Scientists lined up stars in space and finally turned the Beidou system from an idea into a reality. In the future, Beidou system will also launch multiple satellites to further improve the global basic navigation and short message communication service capabilities, and realize global short message communication, satellite based enhancement, international search and rescue, precision single point positioning and other service capabilities.
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