Micro-Doppler feature extraction using single-frequency radar for high-speed targets
The micro-motion of radar targets commonly mixes with bulk translation. In order to extract the micro-Doppler signature of moving targets during a long observation time, it is necessary to perform coherent preprocessing on the echo to compensate the bulk translation. This paper first derives the nar...
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Published in | IET Conference Proceedings p. D0562 |
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Main Authors | , , , , |
Format | Conference Proceeding |
Language | English |
Published |
Stevenage, UK
IET
2013
The Institution of Engineering & Technology |
Subjects | |
Online Access | Get full text |
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Abstract | The micro-motion of radar targets commonly mixes with bulk translation. In order to extract the micro-Doppler signature of moving targets during a long observation time, it is necessary to perform coherent preprocessing on the echo to compensate the bulk translation. This paper first derives the narrowband echo model for high-speed targets with precession and gives a coherent preprocessing algorithm based on the echo model. Then the micro-Doppler signature is analyzed by joint time frequency transform and the micro-motion period is estimated by a method based on inverse radon transform. Finally, the proposed algorithm is verified with the simulation echo of a cone with precession. (6 pages) |
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AbstractList | The micro-motion of radar targets commonly mixes with bulk translation. In order to extract the micro-Doppler signature of moving targets during a long observation time, it is necessary to perform coherent preprocessing on the echo to compensate the bulk translation. This paper first derives the narrowband echo model for high-speed targets with precession and gives a coherent preprocessing algorithm based on the echo model. Then the micro-Doppler signature is analyzed by joint time frequency transform and the micro-motion period is estimated by a method based on inverse radon transform. Finally, the proposed algorithm is verified with the simulation echo of a cone with precession. (6 pages) |
Author | Lumin Shi Xiongjun Fu Ting Li Meiguo Gao Cai Wang |
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Copyright | Copyright The Institution of Engineering & Technology Apr 14, 2013 |
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DOI | 10.1049/cp.2013.0381 |
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Keywords | single frequency radar high speed target radar detection radar target micromotion microDoppler feature extraction long observation time feature extraction microDoppler signature narrowband echo model Doppler radar echo coherent preprocessing |
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Snippet | The micro-motion of radar targets commonly mixes with bulk translation. In order to extract the micro-Doppler signature of moving targets during a long... |
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SubjectTerms | Radar equipment, systems and applications Radar theory Signal detection |
Title | Micro-Doppler feature extraction using single-frequency radar for high-speed targets |
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