Fig. 3
From: Design of a textile-based UHF RFID sensor for high read range and multilevel diaper moisture sensing
Effects of changing parameters (a) S, (b) L2, (c) W1, and (d) W4 on the reflection coefficient (left) and input impedance (right). (The horizontal dotted lines indicate the − 10 dB threshold for the reflection coefficient; and conjugate chip impedance for the input impedance).
