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| Content Provider | IET Digital Library |
|---|---|
| Author | Fang, Liang Wan, Xianrong Fang, Gao Cheng, Feng Ke, Hengyu |
| Abstract | This study examines target detection in passive bistatic radar (PBR) using orthogonal frequency division multiplex (OFDM) signals. Most of the existing methods focus on multipath clutter cancellation prior to matched filter, which usually lead to intensive computational load. However, the detection methods exploiting the distinguished characteristics of OFDM signals have been studied much less. The published OFDM-specific methods have opened up the new possibility of target detection without multipath clutter cancellation, whereas having detrimental effects on the floor level of cross ambiguity surface because of the inter-symbol interference (ISI) and inter-carrier interference (ICI). A novel OFDM-specific method is proposed herein to feasibly extract the weak target echoes against the strong multipath clutter by low-complexity suppression of the Doppler sidelobes resulting from the ISI and ICI. The simulated and experimental results following the robustness analysis validate the effectiveness of the proposed method, which provides a valuable basis for real-time signal processing in PBR. |
| Starting Page | 516 |
| Ending Page | 524 |
| Page Count | 9 |
| ISSN | 17518784 |
| Volume Number | 10 |
| e-ISSN | 17518792 |
| Issue Number | Issue 3, Mar (2016) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-rsn/10/3 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-rsn.2015.0238 |
| Journal | IET Radar, Sonar & Navigation |
| Publisher Date | 2016-03-01 |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | Cross Ambiguity Surface Doppler Radar Doppler Sidelobe Suppression Electromagnetic Compatibility ICI Intercarrier Interference Interference Interference Suppression Intersymbol Interference ISI Matched Filter Modulation And Coding Method Multipath Channel Multipath Clutter Cancellation Object Detection OFDM OFDM Modulation Orthogonal Frequency Division Multiplex Passive Bistatic Radar Passive Detection Passive Radar PBR Radar Clutter Radar Cross Section Radar Detection Radar Equipment Real-time Signal Processing Robustness Analysis Signal Detection System And Application Target Detection Target Echo Extraction |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electrical and Electronic Engineering |
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