Microwave wireless power transmission( MWPT) has many potential applications in aerospace. With micro-wave,WPT could provide power for satellite during the time of solar eclipse,which could solve the limitation of electric pow-er. Based on the theory analysis of MWPT, system design scheme is provided. The key factors that influence efficiency of MWPT are studied to seek effective methods to improve the transmission efficiency of MWPT. Foundation will be laid down for MWPT from theoretical researches to practical applications.%微波无线能量传输技术在宇航领域具有广阔的应用前景，利用该技术可以将能量传递到各模块航天器，解决能源问题对卫星功能和性能的限制。在理论分析微波无线能量传输技术的基础上，提出系统设计方案，突破能量传输总体设计技术，探索影响能量传输效率的关键因素，寻求提高能量传输效率的有效方法，为航天器间无线能量传输技术逐步从理论研究转变为实际应用奠定基础。
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