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Monitoring environmental parameters, which have negative effects on goods (e.g., temperature and relative humidity) to determine threshold or dosage violations, is of strong interest throughout their life cycle. The task is challenging if there is no continuous supply of electric energy available, and lowest cost monitoring solutions are required. These are two common application constraints when...
A continuous monitoring of critical environmental parameters to detect threshold or dosage violations is of strong interest throughout the life cycle of goods. The task is challenging, when there is no continuous supply of electric energy available and lowest cost sensor solutions are required - two common application constraints in wireless passive sensor applications, i.e., sensor enhanced RFID...
A method for non-invasive monitoring of human food intake behavior and long-term dietary protocol has been developed by the sole use of chewing and swallowing sound sensors. A hierarchical model of daily food intake is introduced for dietary protocol. Microphones were found to be more useable for this recording task than accelerometers. Hence, a novel sensor system has been built containing two microphones...
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