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In this paper, an L-band partially internally matched GaN amplifier is presented, which is designed so that Class-F condition is met for the 2nd harmonic and Class-E condition is met for the 3rd harmonic. Utilizing these harmonic conditions, high output power together with high efficiency was obtained overcoming power limitation of Class-E. As a result, 360W output power and 65% PAE was successfully...
Frequency components of pupil responses were extracted from power spectrum density of pupillary change during eye sleepiness tests to conduct an efficient assessment of sleepiness using pupil response. These factor components were applied to two-class classifications of subjective sleepiness using discriminate analysis. The correct rates of the classification during 5 minutes observation were 71%...
Pupil Unrest Index (PUI) is often used clinically for assessing exhaustion and sleepiness. Although pupil size measuring, which is based on the image processing of the eye, can be affected by blink, this influence has not been sufficiently considered for PUI evaluation. Hence, this paper seeks to examine the relationship between blink and indices of the pupil. The result shows that blink rate has...
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