Investigation on layover imaging in synthetic aperture ladar

被引：3
|
作者：
Yang Z. [1 ]
Wu J. [2 ]
Zhao Z. [1 ]
Wang D. [2 ]
Su Y. [1 ]
Liang N. [1 ]
机构：
[1] University of Chinese Academy of Sciences, Beijing
[2] Institute of Electronics, Chinese Academy of Sciences, Beijing
来源：
Frontiers of Optoelectronics | 2013年 / 6卷 / 3期
基金：
中国国家自然科学基金;
关键词：
demonstration; layover; rough target; simulation; synthetic aperture ladar (SAL);
D O I：
10.1007/s12200-013-0358-2
中图分类号：
学科分类号：
摘要：
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. © 2013 Higher Education Press and Springer-Verlag Berlin Heidelberg.
引用
收藏
页码：251 / 260
页数：9
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