If you read about Hall effect sensors — the usual way to detect and measure magnetic fields these days — it sounds ...
Abstract: Optical sensors, commonly used in wearable devices for pulse wave monitoring, face significant limitations such as dependency on sensor positioning and variations related to skin tone. To ...
Abstract: This paper presents and experimentally validates various topologies of one-port reflective-mode phase-variation permittivity sensors based on weakly coupled step impedance resonators (SIRs), ...
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