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. Author manuscript; available in PMC: 2015 Nov 6.
Published in final edited form as: IEEE Trans Microw Theory Tech. 2014 Nov 20;62(12):3172–3182. doi: 10.1109/tmtt.2014.2366134

Fig. 1.

Fig. 1

(a) Schematic of a power-divider-based RF interferometer, which includes a network analyzer for probing signal generation and detection. The yellow rectangles indicate TLs. (b) Diagram of transmission scattering parameter |S21| indicating the operating frequency f0. (c) Tuning of sensor sensitivity with R and operating frequency with Φ in (a).