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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Yimin Zhang Amin, M. Ahmad, F. |
| Copyright Year | 2007 |
| Description | Author affiliation: Villanova Univ., Villanova (Yimin Zhang; Amin, M.; Ahmad, F.) |
| Abstract | Accurate range estimation and tracking of moving targets is an important task in urban sensing applications. A dual-frequency radar, which estimates the range of a target based on the phase difference between two closely spaced frequencies, has been shown to be a cost-effective approach to accomplish both range-to-motion estimation and tracking. This approach, however, suffers from two drawbacks: it cannot deal with multiple moving targets, and has poor performance in noisy environments. To overcome these drawbacks, we propose, in this paper, the use of time-frequency signal representations. High signal-to-noise ratio (SNR) is obtained by focusing on the moving target instantaneous Doppler frequency law provided by the power localization properties of time-frequency distributions. The case of multiple moving targets is handled by separating the different Doppler signatures prior to phase estimation. |
| Starting Page | 1817 |
| Ending Page | 1821 |
| File Size | 675459 |
| Page Count | 5 |
| File Format | |
| ISBN | 9781424421091 |
| ISSN | 10586393 |
| DOI | 10.1109/ACSSC.2007.4487548 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2007-11-04 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Time frequency analysis Radar tracking Phase estimation Doppler radar Radar imaging Target tracking Radar applications Frequency estimation Radar antennas Radar detection |
| Content Type | Text |
| Resource Type | Article |
| Subject | Signal Processing Computer Networks and Communications |
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