Fig. 1 | Scientific Reports

Fig. 1

From: Artificial intelligence enabled smart mask for speech recognition for future hearing devices

Fig. 1

(a) Linearised RF-Model of the tag. (i) Tag chip lumped element model. (ii) Tag antenna lumped element model). (b) Experimental setup for tag measurements, using Tagformance Pro device. (c) Analysed power on tag forward, and backscatter signal at 800–1000 MHz with multiple transmit-power levels for both the dry and wet tag. (d) Read range measurements of the tag in both dry and wet conditions.

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