Research Article

Development and Application of the Single-Spiral Inductive-Capacitive Resonant Circuit Sensor for Wireless, Real-Time Characterization of Moisture in Sand

Figure 9

The variation of the sensor’s real impedance as a function of misalignment between the sensor and coil when the sensor was in (a) dry sand and (b) wet sand.
894512.fig.009a
(a)
894512.fig.009b
(b)