Backward Surface Wave Propagation and Radiation along a One-Dimensional Folded Cylindrical Helix Array

Figure 5

Comparison between original data with fitted results by ESPRIT: (a) simulated magnitude at 390 MHz; (b) simulated unwrapped phase at 390 MHz; (c) measured magnitude at 370 MHz; (d) measured unwrapped phase at 370 MHz.

(a)

(b)

(c)

(d)