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- W4387495561 abstract "The multipath problem in indoor target detection has always been a long-standing research hotspot. Although there are many solutions to the multipath problem in a horizontal line of sight, the multipath problem of single-station radar from an overhead perspective still needs to be solved. At present, there is a lack of detailed analysis on the multipath propagation law of electromagnetic waves from an overhead perspective. This paper first analyzes the multipath propagation law of overhead perspective and reveals a combination multipath propagation phenomenon that is easily overlooked, which is formed by walls, ground, and targets. In addition, during the analysis process, the influence of coherent sources generated by multipath on angle estimation was fully considered, and verified through simulation and measured data. Then, based on the result of propagation analysis, this paper proposes a multipath ghost target suppression method. This method first establishes a multipath ghost target location dictionary based on building information, and then matches the tracking results with the dictionary to suppress successfully matched multipath ghost targets. Finally, several experiments are carried out to verify the effectiveness of this method." @default.
- W4387495561 created "2023-10-11" @default.
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- W4387495561 date "2023-10-10" @default.
- W4387495561 modified "2023-10-18" @default.
- W4387495561 title "Analysis of Electromagnetic Wave and Multipath Suppression from Overhead Perspective" @default.
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- W4387495561 doi "https://doi.org/10.3390/rs15204903" @default.
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