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Heart rate variability (HRV) refers to variations of heartbeat intervals of sinus rhythm and is used for the noninvasive investigation of cardiac autonomic functions and as a prognostic factor in life-threatening cardiac diseases. To date, HRV at two extreme ends of the spectrum of food intake, obesity, and anorexia nervosa (AN) has been investigated. It has been reported that the parasympathetic...
Hand-held personal digital assistant (PDA)-based food diaries have been developed for self-monitoring of dietary intake, but the accuracy of these diaries is unclear for patients with diabetes. The aim of the study was to assess the accuracy and feasibility of use of a new PDA-based food diary, including food photographs. The study included 44 Japanese participants without diabetes (mean age 23 years)...
5GHz band wireless LAN system in indoor environment suffers from multi-path distortion. It causes an attenuation of received power and frequency selective spectrum distortion. In this paper, we describe an array antenna system with analog phase shifter that has the robustness for the multi-path distortion. The proposed array antenna system is low cost and is not complex in the control circuit. We...
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