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Browsing by Author "Seneviratne, J. A."

Browsing by Author "Seneviratne, J. A."

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  • Design of novel perfect metamaterial absorber for Radio Frequency energy harnessing 
    Karunathilaka, M. G. M. T.; Ranaweera, A. L. A. K.; Jayathilaka, K. M. D. C.; Seneviratne, J. A. (Faculty of Science, University of Kelaniya Sri Lanka, 2022)
    Due to the rapidly growing wireless communications and sensing applications, the frequency spectrum has already been saturated. Consequently, the abundance of Radio Frequency (RF) signals in the ambient environment made ...
  • Designing a high-performance parametric speaker system: simulation and Optimization 
    Gurusinghe, T. N.; Seneviratne, J. A.; Ranaweera, A. L. A. K.; Kalingamudali, S. R. D. (Faculty of Science, University of Kelaniya Sri Lanka, 2023)
    The parametric speaker is designed to direct omnidirectional sound waves towards a specific target. Over the past two decades, numerous research studies have been conducted to optimize parametric speaker systems, with a ...
  • Development of a cost-effective real-time commuter counting system for public transportation in Sri Lanka 
    Premasiri, R. H. M. D.; Koralage, K. G. S. D.; Hasaranga, J. P. K.; Alawaththa, A. K. N. A.; Seneviratne, J. A.; Ranaweera, A. L. A. K. (Faculty of Science, University of Kelaniya Sri Lanka, 2023)
    The use of smart systems in public transportation is relatively new in the Sri Lankan context. This study introduces a cost-effective solution for accurately counting the number of bus passengers at any given time. Current ...
  • Thought identification through visual stimuli presentation from a commercially available EEG device 
    Gunawardhana, M. P. A. V.; Jayatissa, C. A. N. W. K.; Seneviratne, J. A. (Department of Industrial Management, Faculty of Science, University of Kelaniya Sri Lanka, 2021)
    Thought identification has been the ultimate goal of brain-computer interface systems. However, due to the complex nature of brain signals, classification is difficult. But recent developments in deep learning have made ...
  • Use of cuprous oxide thin film semiconductors for dissolved oxygen sensing: A preliminary study 
    Wijesooriya, H. E.; Seneviratne, J. A.; Jayathilaka, K. M. D. C.; Wijesundera, R. P. (Faculty of Science, University of Kelaniya, Sri Lanka, 2021)
    Monitoring and maintaining the quality of water is extremely important as it can severely affect the health of humans as well as animals. Dissolved oxygen is one of the key indications of water quality. Cuprous Oxide (Cu2O) ...

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