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- W3129866203 abstract "In order to achieve fast and accurate passive location of the target radiation source, this paper puts forward a Virtual Time Reversal Method Based on Uniform Linear Array (ULA-VTR) passive location algorithm. This framework employs the passive time reversal focusing theory, which does not to require the physical transmission of time reversal signals and does not require pre-estimation of the channel to realize passive direction finding. The above principle is utilized to perform the target radiation source signal through a uniform linear sensor array for detection. The article provides the signal model of linear time reversal array and the virtual retransmission process in the first place. Then utilizes ULA-VTR to establish a dual-station passive location framework and derives the coordinate transformation equation to find its observation angle, in addition, establishes the observation equation system for obtaining the site of the target radiation source. Ultimately, the paper analyses the computational complexity of the ULA-VTR algorithm and adopts Geometric Dilution of Precision(GDOP) to discuss the positioning performance. The experimental results indicate that the technique presented in this paper has higher positioning accuracy under the low SNR compared with other techniques." @default.
- W3129866203 created "2021-03-01" @default.
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- W3129866203 date "2021-01-01" @default.
- W3129866203 modified "2023-09-25" @default.
- W3129866203 title "A Low SNR and Fast Passive Location Algorithm Based on Virtual Time Reversal" @default.
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- W3129866203 doi "https://doi.org/10.1109/access.2021.3059840" @default.
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