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人造地球卫星在离地面几百公里到几万公里的天上飞行,看不见,摸不着。星上的仪器设备是否在正常工作?它内部的温度、压力等环境条件是否在规定的范围内变化?这是地面最关心的问题。人造卫星在经历了运载火箭主动段的过载、冲击、振动、噪声等恶劣环境的考验以后,能否在高真空、强辐射及温度变化剧烈的环境中长期地正常工作,是检验人造卫星是否成功的最终标准。人造卫星上有一套专门用来检查星上环境条
Man-made earth satellites in the sky hundreds of kilometers to tens of thousands of kilometers of flight, invisible, touching. Are the instruments and instruments on the star working properly? Is the internal temperature, pressure and other environmental conditions within the specified range changes? This is the most concern on the ground. Whether or not the artificial satellite has been successfully working in the environment of high vacuum, strong radiation and severe temperature changes after it has undergone severe tests such as overload, shock, vibration and noise in the active section of the launch vehicle is a test to see if the satellite is successful or not The final standard. Satellites have a set of dedicated to check the star on the environment