Frontiers of Optoelectronics, 2013, 6 (3): 251, 网络出版: 2014-03-03   

Investigation on layover imaging in synthetic aperture ladar

Investigation on layover imaging in synthetic aperture ladar
作者单位
1 University of Chinese Academy of Sciences, Beijing 100039, China
2 Institute of Electronics, Chinese Academy of Sciences, Beijing 100190, China
摘要
Abstract
Due to the short laser wavelength, almost all practical targets are rough. Surface elevations in rough targets will result in layovers in synthetic aperture ladar (SAL). High resolution SAL image with layovers will be different from the target picture taken by incoherent tools as digital camera. To investigate the layovers in SAL image, a simplified mathematical model is built by optics diffraction theory and a laboratory SAL is setup using 1550 nm tunable laser source. Layovers in SAL images, in both theoretical simulation and experimental demonstration, are carefully observed. Detailed results on various targets are illustrated.

Zhaosheng YANG, Jin WU, Zhilong ZHAO, Donglei WANG, Yuanyuan SU, Na LIANG. Investigation on layover imaging in synthetic aperture ladar[J]. Frontiers of Optoelectronics, 2013, 6(3): 251. Zhaosheng YANG, Jin WU, Zhilong ZHAO, Donglei WANG, Yuanyuan SU, Na LIANG. Investigation on layover imaging in synthetic aperture ladar[J]. Frontiers of Optoelectronics, 2013, 6(3): 251.

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