合成孔径雷达光学处理器的功能和成像质量的检测

合成孔径雷达光学处理器(OSARP)与普通成像系统不同,它处理合成孔径雷达(SAR),数据片.因此,我们不仅要检测OSARP的成像质量还要检测它的功能.本文提供一种检测OSARP的方法.OSARP的功能是通过检测OSARP各组件的调整量来求得的;OSARP的成像质量是用普通检测靶加位移透镜来检测的.我们使用模拟SAR效据片来检验OSARP处理各种雷达相位历程的能力.最后用真实SAR数据片来检验SAR和OSARP的综合成像质量.用这种方法我们实地检测HG-1型OSARP,实测结果表明这种检测方法是可行的.

Inspection of Function and Imaging Quality of an Optical Synthetic Aperture Radar Processor

An Optical Synthetic Aperture Radar Prccessor(OSARP)is different from the conventional imaging system. It warks after Synthetic Aperture Radar(SAR)and processes image from SAR data film. Thus we inspect not only the imaging quality of the OSARP, but also the function of it. In this paper we provide a method of inspection of an OSARP. The function of the OSARP is obtained through testing the adjustable quantities of each assembly of the OSARP. The imaging quality of the OSARP is inspected with the general testing targets and a shift lens. We use simulated SAR data films to demonstrate the capability of the OSARP to handle radar phase histories. Finaly the true SAR data film is processed to show the comprehensive imaging quality of the SAR and the OSARP. We inspect the OSARP made in Changchun Institute of Osptics and Fine Mechanics, Academia Sinica with this method. The experimental results show that the method is practical.