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Content Provider | IET Digital Library |
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Author | Qu, Xiao yu Li, Kai ming Zhang, Qun Liang, Bi Shuai |
Abstract | Micro-Doppler (m-D) effect is a unique signature of radar targets with micro-motion, which provides a new technique for target recognition. Passive radar based on communication signal has a great significance in detection and recognition for micro-motion targets, low-altitude surveillance and control, national air defences etc. In this study, based on orthogonal frequency division multiplexing communication signal, the echo modelling and analysis of rotating target are operated, and the expression of the target m-D is deduced. Furthermore, the rotation frequency is extracted by sinusoidal frequency modulation Fourier-Bessel series. The feasibility of the proposed method is proved by the simulation results. The method could offer a reference to feature extraction of micro-motion targets under passive radar. |
Starting Page | 6889 |
Ending Page | 6893 |
Page Count | 5 |
Volume Number | 2019 |
e-ISSN | 20513305 |
Issue Number | Issue 20, Oct (2019) |
Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/joe/2019/20 |
Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/joe.2019.0592 |
Journal | The Journal of Engineering |
Publisher | The Institution of Engineering and Technology |
Publisher Date | 2019-07-11 |
Access Restriction | Open |
Rights License | Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0/) |
Subject Keyword | Bessel Function Doppler Radar Feature Extraction Fourier Series Low-altitude Surveillance Mathematical Analysis Micro-Doppler Effect Micro-Doppler Feature Extraction Micromotion Targets Modulation And Coding Method National Air Defences OFDM Modulation Orthogonal Frequency Division Multiplexing Communication Signal Passive Radar Radar Equipment Radar Signal Processing Radar Target Recognition Radar Targets Radar Theory Rotating Target Rotation Frequency Signal Processing And Detection Sinusoidal Frequency Modulation Fourier-Bessel Series System And Application Target Recognition |
Content Type | Text |
Resource Type | Article |
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