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Cardiac auscultation is a technique of listening to heart sounds. Any abnormality in the heart sound may indicate some problem in the heart. In this paper, the phonocardiogram (PCG) signal i.e. the digital recording of the heart sounds has been studied and classified into three classes namely normal signal, systolic murmur signal and diastolic murmur signal. Total number of samples used for this study...
Wireless Sensor Network is fabricated by the deployment of many miniature devices (sensors) which are capable of sensing, communicating and computing. These networks are susceptible to security threats due to unattended deployment of sensors. There are many attacks on information in transit, out of all Black hole attack or packet dropper is a denial of service attack in which an intruder persuades...
The most attractive feature of sensor nodes is systematic collection of data and further transmitting the gathered data to a distant base station. The security parameter can be incurred if the data is transferred in sensitive areas like Defense, Health, Banking etc. However, the sensitivity of Wireless Sensor Networks makes them prone to attacks which lead to extraction or damage of data or information...
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