One possible approach to reducing the cost of developing an intelligent tutoring system (ITS) is to reuse the components of an existing ITS. We used this approach to develop an And...
In this study, students studied two different domains in the same Intelligent Tutoring System, Andes. Analysis of 435 log files from 22 subjects indicated that there are two types ...
−In this paper, a novel architecture of a fractional-N phase-locked loop (PLL) is presented for digital clock generation. By employing multimodulus dividers in parallel with sequ...
— A general noncoherent chaos-shift-keying (CSK) communication system with adjustable weights is proposed in this paper. The performance of the system under additive white Gaussi...
Wireless sensor networks (WSNs) are ad hoc networks comprised mainly of small sensor nodes with limited resources, and can be used to monitor areas of interest. In this paper, we p...
Leonardo B. Oliveira, Hao Chi Wong, Antonio Alfred...