| 一种综合孔径微波辐射计成像处理算法 |
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| 引用本文： | 陈海建,丁孝永,王锐.一种综合孔径微波辐射计成像处理算法[J].宇航计测技术,2019,39(3):79. |
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| 作者姓名： | 陈海建 丁孝永 王锐 |
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| 作者单位： | 1、海军驻北京地区舰空导弹系统军事代表室，北京 100039；
2、北京无线电计量测试研究所，北京 100039；
3、32182部队，北京 100039 |
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| 摘 要： | 综合孔径成像是基于干涉仪成像原理实现的一种成像方式，其通过对干涉测量结果进行逆傅里叶变换得到场景的亮温分布，利用小波增强去噪算法在时域和频域同时对图像进行处理，增强需求信息抑制非必要信息，并附加特定的窗函数滤除杂波，提高重建的微波辐射计图像的清晰度和平滑感。采用盲解卷的Lorentzian超分辨率算法提高成像的分辨力，较好的解决了天线口面尺寸与分辨力矛盾的问题。
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| 关 键 词： | 微波辐射计 小波增强 超分辨率 |
An Image Processing Algorithm about Aperture Synthesis Microwave Radiometer |
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| CHEN Hai-jian,DING Xiao-yong,WANG Rui.An Image Processing Algorithm about Aperture Synthesis Microwave Radiometer[J].Journal of Astronautic Metrology and Measurement,2019,39(3):79. |
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| Authors: | CHEN Hai-jian DING Xiao-yong WANG Rui |
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| Institution: | 1、The Military Representative Office of Navy in Second Research Academy of CASIC,Beijing 100039,China;
2、Beijing Institute of Radio Metrology & Measurement,Beijing 100039,China;
3、The 32182th Unit of PLA,Beijing 100039,China |
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| Abstract: | Aperture synthesis image is a base theory of interferometer.Base on interferometer measurements result,using inverse Fourier transform get the bright temperature distribution of scene.Using wavelet enhancement denoising algorithm and process the image in time domain and frequency domain.Enhance demand information and suppress unnecessary information,attaches a specific window function to filter clutter,improve clarity and smoothness about the microwave radiometer.Using blind uncoiling lorantzian super resolution algorithm to improve imaging resolution,well done the contradiction of antenna port face and resolution. |
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| Keywords: | Microwave radiometer Wavelet enhancement Super resolution |
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