Based on the concept of aperture synthesis sparse antenna, the imaging radar on the stratosphere airship for the earth observation is investigated.
基于稀疏综合孔径天线概念，研究了平流层飞艇载对地观测成像雷达系统中的重要问题。
The emphasis is on the theory and the type of Sparse Aperture Imaging System, study development in foreign country, key technology and the application in the future.
重点介绍了系统的成像原理和种类，国外的研究进展以及系统实现的关键技术和应用前景。
Optical sparse-aperture system can be designed to obtain high resolution in astronomical object imaging. It is a particular array synthesized by several small filled imaging systems.
由多个小口径成像系统通过特殊排列综合而成的光学稀疏孔径系统是实现高分辨率天文目标成像观测的一种新方法。
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