Ground Moving Target Detection and Estimation for Airborne Multichannel Radar Based on Coherent Difference Processing
Ground moving targets with slow velocity and low radar cross-section (RCS) are usually embedded in the clutter Doppler spectrum. To achieve the detection and estimation of such targets, a novel method operating in the range-Doppler domain is developed for airborne multichannel radar systems. The int...
| Main Authors: | , , , , , , |
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| Format: | Article |
| Language: | English |
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MDPI AG
2022-07-01
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| Series: | Remote Sensing |
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| Online Access: | https://www.mdpi.com/2072-4292/14/14/3325 |
| _version_ | 1797416110476230656 |
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| author | Chong Song Bingnan Wang Maosheng Xiang Weidi Xu Zhongbin Wang Yachao Wang Xiaofan Sun |
| author_facet | Chong Song Bingnan Wang Maosheng Xiang Weidi Xu Zhongbin Wang Yachao Wang Xiaofan Sun |
| author_sort | Chong Song |
| collection | DOAJ |
| description | Ground moving targets with slow velocity and low radar cross-section (RCS) are usually embedded in the clutter Doppler spectrum. To achieve the detection and estimation of such targets, a novel method operating in the range-Doppler domain is developed for airborne multichannel radar systems. The interferometric phases that are sensitive to moving targets are obtained by coherent difference processing (CDP) for target detection. Moreover, the amplitude is utilized as complementary information to improve the detection performance. Then, a matched filter bank is designed and applied to the CDP processed data to complete the parameter estimation. The proposed method provides the benefits of high efficiency and robustness, since it does not involve matrix inversion, and it does not require homogeneous clutter assumption unlike adaptive algorithms. Experiments on real data acquired by an airborne X-band four-channel radar system demonstrate its effectiveness. |
| first_indexed | 2024-03-09T05:58:51Z |
| format | Article |
| id | doaj.art-095f6f7e95fc451cab44114df44374da |
| institution | Directory Open Access Journal |
| issn | 2072-4292 |
| language | English |
| last_indexed | 2024-03-09T05:58:51Z |
| publishDate | 2022-07-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Remote Sensing |
| spelling | doaj.art-095f6f7e95fc451cab44114df44374da2023-12-03T12:10:36ZengMDPI AGRemote Sensing2072-42922022-07-011414332510.3390/rs14143325Ground Moving Target Detection and Estimation for Airborne Multichannel Radar Based on Coherent Difference ProcessingChong Song0Bingnan Wang1Maosheng Xiang2Weidi Xu3Zhongbin Wang4Yachao Wang5Xiaofan Sun6National Key Laboratory of Microwave Imaging Technology, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100190, ChinaNational Key Laboratory of Microwave Imaging Technology, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100190, ChinaNational Key Laboratory of Microwave Imaging Technology, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100190, ChinaNational Key Laboratory of Microwave Imaging Technology, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100190, ChinaNational Key Laboratory of Microwave Imaging Technology, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100190, ChinaNational Key Laboratory of Microwave Imaging Technology, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100190, ChinaBeijing Institute of Spacecraft System Engineering, China Academy of Space Technology, Beijing 100094, ChinaGround moving targets with slow velocity and low radar cross-section (RCS) are usually embedded in the clutter Doppler spectrum. To achieve the detection and estimation of such targets, a novel method operating in the range-Doppler domain is developed for airborne multichannel radar systems. The interferometric phases that are sensitive to moving targets are obtained by coherent difference processing (CDP) for target detection. Moreover, the amplitude is utilized as complementary information to improve the detection performance. Then, a matched filter bank is designed and applied to the CDP processed data to complete the parameter estimation. The proposed method provides the benefits of high efficiency and robustness, since it does not involve matrix inversion, and it does not require homogeneous clutter assumption unlike adaptive algorithms. Experiments on real data acquired by an airborne X-band four-channel radar system demonstrate its effectiveness.https://www.mdpi.com/2072-4292/14/14/3325coherent difference processing (CDP)matched filter bankground moving target indication (GMTI)airborne multichannel radar |
| spellingShingle | Chong Song Bingnan Wang Maosheng Xiang Weidi Xu Zhongbin Wang Yachao Wang Xiaofan Sun Ground Moving Target Detection and Estimation for Airborne Multichannel Radar Based on Coherent Difference Processing Remote Sensing coherent difference processing (CDP) matched filter bank ground moving target indication (GMTI) airborne multichannel radar |
| title | Ground Moving Target Detection and Estimation for Airborne Multichannel Radar Based on Coherent Difference Processing |
| title_full | Ground Moving Target Detection and Estimation for Airborne Multichannel Radar Based on Coherent Difference Processing |
| title_fullStr | Ground Moving Target Detection and Estimation for Airborne Multichannel Radar Based on Coherent Difference Processing |
| title_full_unstemmed | Ground Moving Target Detection and Estimation for Airborne Multichannel Radar Based on Coherent Difference Processing |
| title_short | Ground Moving Target Detection and Estimation for Airborne Multichannel Radar Based on Coherent Difference Processing |
| title_sort | ground moving target detection and estimation for airborne multichannel radar based on coherent difference processing |
| topic | coherent difference processing (CDP) matched filter bank ground moving target indication (GMTI) airborne multichannel radar |
| url | https://www.mdpi.com/2072-4292/14/14/3325 |
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