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Passive Surface Protects Against Interference From Multipath Propagation

Conceptual image of the proposed MS-based multipath filter for adjusting the spatial wave propagation for signals with the same frequency. (a) Conventional multipath signal environment without (left) and with (right) the proposed MS filter. (b) Simplified equivalent multipath environment (left) and received signals with only Tx1, only Tx2, and both (from top right to bottom right). The proposed filter accepts only the Tx1 signal, while the time-delayed multipath signal from Tx2 is eliminated. However, only the Tx2 signal is received if this signal arrives before the Tx1 signal (not shown). (Image:CC BY) arrow back arrow forward Image Zoom
Conceptual image of the proposed MS-based multipath filter for adjusting the spatial wave propagation for signals with the same frequency. (a) Conventional multipath signal environment without (left) and with (right) the proposed MS filter. (b) Simplified equivalent multipath environment (left) and received signals with only Tx1, only Tx2, and both (from top right to bottom right). The proposed filter accepts only the Tx1 signal, while the time-delayed multipath signal from Tx2 is eliminated. However, only the Tx2 signal is received if this signal arrives before the Tx1 signal (not shown). (Image: / CC BY )
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