At 09:23 Beijing time on September 15, a LM-Ⅱ solid launch vehicle launched the Jilin I, Gaofen 03-1, and a set of 9 satellites, into their preset sun-synchron
For the final stage of a launch vehicle which cannot start multiple times,the main constraint of a highly eccentric orbit launch mission is the argument of peri
In the past two decades,the world's unmanned aerial vehicle (UAV) industry has developed rapidly.Various kinds of UAVs have been used in military and civilian f
The divergence angle of laser beam used in space laser communication is usually no more than 100μrad.Using laser beam with small divergence angle to achieve ac
At 13:40 Beijing time on September 21, a LM-4B carrier rocket lifted offfrom the Jiuquan Satellite Launch Center, and successfully launched the HY-2C satellite