Abstract
Radio interference is a main interference for HF radar, and the polarization signal processing has been developed as an effective method to suppressing it. Based on the research of the inflexibility in the temporal domain and the frequency domain of polarized sate and polarization filtering, a new method of estimating the polarization state of multi-interference in frequency domain is discussed, and a frequency domain null phase-shift multinotch polarization filter is proposed. By means of the polarization filtering in frequency domain, the amplitude and phase compensation and the multi-notches technology, multi-interference can be deeply suppressed in a phase-correlated system. Effectiveness of the algorithm has been proved by theoretical analysis and simulation experiment.
| Original language | English |
|---|---|
| Pages (from-to) | 537-542 |
| Number of pages | 6 |
| Journal | Tien Tzu Hsueh Pao/Acta Electronica Sinica |
| Volume | 36 |
| Issue number | 3 |
| State | Published - Mar 2008 |
Keywords
- High frequency radar
- Interferences-suppressing
- Polarization filter
- Signal processing
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