Figure 2
From: Efficient and Sensitive Electrically Small Rectenna for Ultra-Low Power RF Energy Harvesting

Wire-SSRR (a) and strip-SSRR (b) antenna simulated (sml) and measured (msr) reflection coefficient.
From: Efficient and Sensitive Electrically Small Rectenna for Ultra-Low Power RF Energy Harvesting

Wire-SSRR (a) and strip-SSRR (b) antenna simulated (sml) and measured (msr) reflection coefficient.