【摘要】 简述了地球静止卫星南北位置保持控制系统的要求；然后比较了化学推进和电推进控制系统的特点；并较具体地分析了几种典型的电火箭发动机的性能和发展水平。在此基础上提出了作者对地球静止卫星南北位置保持控制系统的选择原则和看法。更多还原

【Abstract】 his paper describes briefly the reguirements of the NSSK control system of a Geostationary satellite, and then Compares the characteristics of chemical propulstion system with electrical propulsion system.Secondly,the performances and development level of several typical electric rocket engines are analysed in detail.On the basis of that, some selection criteria and opinions for NSSK control system have put forward.更多还原