| 基于子孔径波面拼接的直接波前解卷积效率 |
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| 引用本文： | 黄健,樊志华,吴建东,谢长生.基于子孔径波面拼接的直接波前解卷积效率[J].上海航天,2019,36(1):91-95. |
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| 作者姓名： | 黄健 樊志华 吴建东 谢长生 |
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| 作者单位： | 电子科技大学航空航天学院;上海航天控制技术研究所;中国航天科技集团有限公司红外探测技术研发中心 |
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| 基金项目： | 国家自然科学基金(61405023)；上海航天科技创新基金(SAST2015075) |
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| 摘 要： | 为提高气动光学效应下目标图像清晰化处理的运行效率,提出了子孔径拼接波前复原方法。分析了波面拼接下的直接波前解卷积效果,研究了波面拼接与传统泽尼克模式法在运行效率上的差异。仿真结果表明:子孔径拼接方法具有良好的波前复原能力,与泽尼克模式法相比具有更低的算法复杂度。基于子孔径波前拼接的直接波前解卷积方法可有效提高点源图像探测的斯特列尔比(Strel ratio),可应用于高超声速飞行器的红外寻的系统中,抑制气动光学相位畸变的影响,增强目标探测、识别和跟踪性能。
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| 关 键 词： | 气动光学效应 波前探测 波前重构 波前拼接 直接波前解卷积 |
| 收稿时间： | 2018/9/30 0:00:00 |
| 修稿时间： | 2018/12/2 0:00:00 |
Efficiency of Direct Wavefront Deconvolution Based on Subaperture Wavefront Splicing |
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| HUANG Jian,FAN Zhihu,WU Jiandong and XIE Changsheng.Efficiency of Direct Wavefront Deconvolution Based on Subaperture Wavefront Splicing[J].Aerospace Shanghai,2019,36(1):91-95. |
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| Authors: | HUANG Jian FAN Zhihu WU Jiandong and XIE Changsheng |
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| Institution: | School of Astronautics and Aeronautics, University of Electronic Science and Technology of China,Chengdu 610054, Sichuan, China,Shanghai Aerospace Control Technology Institute, Shanghai 201109, China;Infrared Detection Technology Research and Development Center, China Aerospace Science and Technology Corporation, Shanghai 201109, China,Shanghai Aerospace Control Technology Institute, Shanghai 201109, China;Infrared Detection Technology Research and Development Center, China Aerospace Science and Technology Corporation, Shanghai 201109, China and Shanghai Aerospace Control Technology Institute, Shanghai 201109, China;Infrared Detection Technology Research and Development Center, China Aerospace Science and Technology Corporation, Shanghai 201109, China |
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| Abstract: | To improve the efficiency of target image processing under the aero-optical effect, the wavefront reconstruction method using aperture wavefront splicing is proposed. This paper analyzes the effect of direct wavefront deconvolution based on wave surface splicing, and compares the difference of operation efficiency between subaperture wavefront splicing and the Zernike model method. The simulation results show that the subaperture wavefront splicing method has the excellent wavefront recovery ability, and its algorithm complexity is much lower than that of the Zernike model method. Furthermore, the direct wavefront deconvolution based on subaperture wavefront splicing can effectively improve the Strel ratio of the point source image. Therefore, this method can be applied in the infrared seeker of the hypersonic vehicle to suppress the influence of aerodynamic optical phase distortion and to enhance the performance of target detection, recognition and tracking. |
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| Keywords: | aero-optical effect wavefront detection wavefront reconstruction wavefront splicing direct wavefront deconvolution |
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