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The space-based passive radar provides a greatly improved capability for worldwide surveillance and anti-radiation missiles, compared with terrestrial and airborne based system. It is the purpose of this paper to discuss the system performance, technology characteristics of passive bistatic radar based on space-based illuminators. A preliminary guidance performance evaluation of this type of radar...
Direct signal recovery and strong target cancellation are key techniques for weak target detection in passive bistatic radar. Exploiting the sparsity of the multipath channel, the approach of sparse blind equalizer based on constant modulus criteria is proposed against the multipath interference on the direct signal. The computational complexity of the sparse equalizer reduced greatly, accomplishing...
In case of passive bistatic radar (PBR) using a phased array radar (PAR) as the non-cooperative illuminator, there are problems that signal parameters of the transmitter are unknown and signal coherence is damaged. Aiming at the issues, this article presents a target detection method for PBR using PAR as the non-cooperative illuminator. Firstly, the method uses the direct wave to estimate signal parameters,...
Passive bistatic radars (PBR) using illuminators of opportunity have attracted much attention over the last years. However, most PBR systems have been rather experimental set-ups tailored to a single frequency band or implemented as laboratory test devices. In case of PBR exploiting transmitters for sources of illumination, there is a problem that radar transmitting signal parameters are unknown,...
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