Phase modulating structures for secure communications

Phase modulating structures for secure communications
Data source
Transmitter of
opportunity
Phase modulating
surface / structure
receiver
Direct signal used as reference to demodulate multi-path signal
Modulated multi-path
signal

3-D Antennas
15mm

Conducting textiles
Embedding a semiconductor device into a multi-filament yarn

surface knitted from conducting and insulating yarns
Conducting textiles
structural textiles