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 hasComplete construction。 From 2000 to 2020, from the first satellite of Beidou-1 to the last satellite of beidou-3 into orbit, China finally has its own global satellite navigation system, and we will get rid of the dependence on GPS.
Now Beidou system has been widely used in power, finance, communication, transportation, agriculture, surveying and mapping, disaster relief and other aspects of production and life. With the help of Beidou, China’s national defense force will be more powerful. (Note: BDS and GPS of USA, GLONASS of Russia and Galileo of EU are suppliers recognized by GNSS)
Interface introduction and effect preview
useHT for WebSelf developed2D/3DThe engine, through setting up the scene, matching the data panel and animation drive, produced a satellite launch demo, as shown in the figure is a complete interface display:
It is composed of the central scene and the data panels on both sides. The scene supports the conventional rotation, translation and zoom. The data panel simulation shows some information about the rocket and satellite.
Animation of rocket lift off and satellite orbit flying
The five animation processes of the rocket launch are as follows:
- Complete charge inspection, stabilizer ignition and launch deployment
- Booster ignition, acceleration
- The booster separates and the second stage rocket ignites to release the thrust
- The fairing was stripped off and the secondary rocket was detached
- Release satellite into orbit
The five time nodes of the time axis correspond to the above five processes respectively. By clicking the time node, the corresponding process animation can be played separately, as follows: the third flight process:
Animation control button
Play: start playing the animation
Pause: pause animation
Resume: continue animation
Replay: replay animation
Expression of fuel surplus
Simulation of rocket and thruster fuel storage information.
The list records the different stages of the satellite launch. Click [show] to display the scene interface at that time.
Beidou satellite navigation system is a satellite navigation system independently constructed and operated by China with a view to the needs of national security and economic and social development. It is an important national space infrastructure that provides global users with all-weather, all-weather, high-precision positioning, navigation and timing services. 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. Together with other satellite navigation systems, together with various countries, regions and international organizations, we will jointly promote the development of global satellite navigation, so that the Beidou system can better serve the world and benefit mankind.
As the only carrier of Beidou satellite, the long march No.3 series rocket has also made great contributions. In the past 20 years, it has launched up to 44 times. It has carried Beidou series satellites, carrying the hope and future of the navigation system of the motherland. It has galloped into the vast universe and successfully put the satellite into the predetermined orbit, which has made great contributions to the birth and maturity of Beidou satellite navigation system.
Scientists arranged stars in space, and eventually turned the Beidou system from an idea into a reality. In the future, Beidou system will launch several 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, precise point positioning and other service capabilities.
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