Study of mismatched filtering of passive radar using TV signal |
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Authors: | Xiaowen Sun PhD Linrang Zhang Shunjun Wu |
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Institution: | State Key Lab of Radar Signal Processing,Xidian University,Xi'an 710071,China |
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Abstract: | This letter delnonstrates the structure of the passive radar using TV signals. Because the TV signal is a kind of pseudoperiodic signal, the matched filtering of color TV signals would yield high sidelobes which cause the range ambiguity. To overcome this problem, the mismatched filter is proposed to suppress the correlation sidelobcs of matched filtering of TV signals. By utilizing the iteration process, this method could achieve the required peak sidclobc level. The impacts of the noise and target movement on mismatched filtering are also analysed, Simulation results are included to demonstrate the effectiveness of the proposed technique. |
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Keywords: | Color TV signal Mismatched filtering Sidelobe suppression Passive radar |
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