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Wireless motion sensor such as infra-red and Doppler is commonly used for our home protection against intruder. Wideband or ultra-wideband (UWB) sensor has lately attracted considerable attention because it is expected to measure not only motion of an intruder but also the distance. This paper suggests a stepped-FM UWB sensor which can cover all the rooms(More)
This work aimed to make the repetition of the experiment performed by Dosono et al [1], which studied how the current authentication interfaces pose significant burden to visually impaired persons. We revealed that previously found difficulties such as locating authentication area, verifying the success of authentication, and use of visual/voice(More)
Detection of quantitative trait loci (QTLs) is dependent on the materials used in the analysis, as different combinations of parental materials may lead to different outcomes in QTLs for the same trait. On the other hand, an extreme phenotype associated with a given trait implies the potential involvement of a particular allele in various allelic(More)
Since Wireless Sensor Networks (WSNs) are regarded as large-scale distributed systems in nature, it is (i) difficult to implement their distributed low-level codes, (ii) hard to analyze their performance and (iii) almost impossible to operate a number of nodes manually. In this paper, we propose an integrated environment called D-sense to solve these(More)
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