Xichang Satellite Launch Center

2020 is the 50th anniversary of Fengyun meteorological satellite undertaking and the 50th anniversary of the establishment of Xichang Satellite Launch Center. In the past 50 years, China has successfully launched 17 Fengyun series meteorological satellites, of which 9 have been launched from Xichang to space. At present, there are still 7 satellites in orbit, which have built global observation capability, and their comprehensive performance has reached the world’s advanced level. Who would have thought that when the center launched its first launch mission in 1984, local farmers and Yi compatriots went up the mountain to help observe the weather. When Fengyun satellite was launched for the first time in 1997, it was forced to delay because of weather. Xichang Satellite Launch Center, located in mountainous area, is one of the ten launching sites with the most complex local climate conditions. Severe convective weather and heavy precipitation are the main meteorological factors affecting the launch. On June 5, 1997, Fengyun-2 satellite was launched for the first time. Due to the inaccuracy of weather forecast, the last launch window can not meet the minimum meteorological conditions for launch, resulting in the suspension of the launch mission. Today, Jiang Xiaohua, a meteorologist and senior engineer of the center, still has a fresh memory of the thunderstorm night. “If we had our own geostationary meteorological satellite, such a mistake could have been avoided,” he said Five days after the mission was postponed, Xichang spaceman had a hard time setting a new record in the world space history of successful re filling and launching of low-temperature fuel. At the same time, the successful launch of the satellite also marks that China has become the third country and region with polar orbit and geostationary meteorological satellites after the United States and the European Union. < p > < p > 21 years later, when the center launched the Fengyun-2 series of closing satellites h, the central meteorological system not only received more than 100 times more meteorological information, but also shortened the data processing time by 30%, which greatly improved the prediction accuracy of rainstorm range and intensity. The one belt, one road star, one belt, one road, which has been successfully launched by

, has opened the new era of the international service of Fengyun satellite, which is the two star of the “one belt and one road” mission of construction. The H is also a new era of international service. < / P > < p > “the center is not only the launcher of Fengyun series satellites, but also the beneficiary of Fengyun satellite industry, so that we can make more accurate weather forecast for the launch mission.” Yang daoyong, director of the meteorological and hydrological Office of the technical department of the center, said. < p > < p > on December 11, 2016, after China’s second generation geostationary meteorological satellite, fengyun-4a, was successfully launched from the center, the meteorological system began to select the site of fengyun-4 ground receiving system, inspected 14 pre selected sites in Sichuan and Hainan provinces, and determined to establish fengyun-4 at Xichang launch site after comparing multiple factors such as communication, environment and application Ground receiving system. According to Zhang Ying, an engineer in charge of the system construction, facing the two major problems of engineering construction and software development, they adopted the working mode of “construction development support” to realize the seamless connection of “construction development support” as scheduled, and integrated the meteorological data results of “secondary development” into the weather forecast and analysis system independently developed by the center Synchronous support capability is formed. < p > < p > on May 8, 2018, fengyun-4a satellite began to provide data services to users in the Asia Pacific region, including China. Two months later, on July 29, less than six hours after the launch of the 33rd and 34th Beidou navigation satellites, the Xichang launch site had obvious precipitation and thunder was constantly coming from afar. < p > < p > based on the high-resolution cloud image data of FY-4, the weather forecasters accurately determined that the convective cloud clusters would gradually weaken, and the launch window could meet the meteorological conditions for launching. Finally, the rocket ignited and took off on time at the scheduled window time, successfully put the two beidou-3 satellites into the scheduled orbit, and the launch mission was a complete success. In addition to the “high temperature and high humidity” weather of the “space launch site” in Xichang and Wenchang, it is the “high temperature” and “strong salt” weather of the “space launch site” and “Wenchang” with “high temperature” and “strong salt” weather, which will bring “strong” weather support to the launch of the “space” in China. “< p > < p >” Wenchang has more clouds, fog and continuous rain in dry season, while the rainy season is sunny and hot, heavy rainfall and strong lightning are frequent, and there are many tropical cyclones. Although there are unpredictable clouds and clouds in the sky, “Fengyun series satellites can make” unpredictable “into” measurable. ” Center meteorological expert, senior engineer Guo Xuewen said. < p > < p > on July 23, 2020, “tianwen-1” successfully launched from Wenchang space launch site and started the Mars exploration journey. This is also the eighth space launch meteorological support mission successfully completed by the central meteorological system in Wenchang. < p > < p > at 0:57 on October 12, 2020, the third day after the Forum on the 50th anniversary of Fengyun meteorological satellite industry was held in Beijing, the center successfully launched Gaofen 13 satellite, realizing another successful March of serving the country through space flight and sending a special national day blessing to the motherland and the people. < p > < p > over the past decades, the central meteorological system has learned from the most basic local meteorological proverbs such as “when there is a rainy day, there is no light on the top of the rain” and so on. Now, the establishment of a three-dimensional meteorological observation network, the application of information data analysis technology, and the construction of multi regional joint meteorological Protection Center have made our meteorological support capacity have a qualitative leap, and the business operation has been successful and stable Qualitative analysis was more than 96%. We have successfully completed the mission of China’s Meteorological Center from Fengyun top to China’s strong satellite The leader of the center said.