Kushal R. Tuckley

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In telemedicine systems, critical medical data is shared on a public communication channel. This increases the risk of unauthorised access to patient’s information. This underlines the importance of secrecy and authentication for the medical data. This paper presents two innovative variations of classical histogram shift methods to increase the hiding(More)
LNA designed for 1 to 2.8 GHz frequency band using pHEMT ATF34143, is studied with respect to some remedies and worked on few factors which enhanced bandwidth of LNA with respect to improvement in Return loss as well as gain linearity. Earlier published work for designing LNA has been given some modification by disturbing Source reactance to meet optimum(More)
High-frequency (HF) surface wave radars provide a unique capability to detect targets far beyond the conventional microwave radar coverage. This capability also could contribute to the development and improvement of Tsunami Early Warning Systems. This paper presents the system design and introduces the key signal processing methodologies that enable the HF(More)
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