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The radar members are likely to interfere with each other if their waveforms and polarized states are not orthogonal in radar sensor network (RSN). In this paper, we propose the oblique projection polarization filtering (OPPF) based interference suppressions for RSN where each radar member is equipped with the orthogonally dual-polarized antenna (ODPA). In our discussed cooperative environment, under...
Polarization filtering has attracted a great interests for it can be used to solve problems of signal separation and interference suppression those are difficult to process in the time, frequency and spatial domains. Polarization information of both target signal and interference are needed to design the polarization filter in the conventional method, while exact estimation of the polarization information...
Based on the theory of polarization filtering and the merits of interference suppressions when adopting oblique projections, a novel polarization filtering algorithm is proposed in this paper. The proposed method can effectively separate the target signal and interference without additional transformation and compensation processing, and the target does not suffer distortions after separation. The...
Polarization filtering attracts extensive attention for its special property in solving problems which are unable to deal with in temporal or frequency domain. Conventional polarization filter can suppress interferences by seeking for the orthogonal vector of the interferences while it will inevitably bring in distortion to the target signal in its amplitude and phase; Null phase-shifting polarization...
Ultra Wide Band (UWB) communication systems are considered to be ideally suited for future indoor and short-range wireless communications with high-speed data rate, as they operate at low power, provide high capacity in dense multipath environments. Combining the energy received over multipath, RAKE receiver usually holds good performances in the UWB communications environment. However, interferences...
Based on the oblique projection operators, a novel method for interference suppressing named oblique projection polarization filter (OPPF) in the polarization domain is proposed, which is valid for nonorthogonal polarization filtering or projecting. After discussing the fundamental principle of the proposed OPPF in detail, simulation results are given to illustrate the suggested scheme is suitable...
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