构型保持

本文报导在KF·2H2O促进下，S-（-）-或R-（+）-1,1′-联-2-萘酚（1）和卤代烷进行的O-烷基化反应，得到构型保持的产物。

The O-alkylation of S ( - ) - 1,1 ' - bis-2-naphthol [ S ( - ) - 1 ] , or R ( + ) - 1 with various alkyl halides in the presence of potassium fluoride hydrate was studied .

针对内编队卫星展开内编队轨道保持控制方法研究。首先，介绍了论文的研究背景，对国内外编队构型保持控制技术研究现状、与内编队应用领域类似的Drag-Free控制技术研究现状进行了综述。

Inner formation orbit keeping control methods are studied based on inner formation satellites . Firstly , the research backgrounds are introduced . The research states of both formation configuration keeping control technologies and Drag-Free control technologies are summarized .

椭圆轨道编队飞行的典型模态与构型保持控制方法

Representative Formation-keeping Mode and Control for Spacecraft in Eccentric Orbits

编队飞行卫星群构型保持及初始化

Configuration Maintenance and Initialization Satellite Formations