Bharath Raj - Profile on Academia.edu (original) (raw)

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Papers by Bharath Raj

Research paper thumbnail of Improved Aprori Algorithm Based on bottom up approach using Probability and Matrix

Knowledge Discovery through mining association rule among data from a large database is the one o... more Knowledge Discovery through mining association rule among data from a large database is the one of key area of research. The first proposed Algorithm apriori is used to mine frequent items from the large database which leads to mine Association Rule between the data for discovering the Knowledge from the large database. Due to the limitation and complexity of Apriori algorithm, lot of research is underway for discovering new algorithms with a motive of minimizing the time and number of database scans for Knowledge Discovery through mining Association Rule among data from a large database. This paper propose one such kind of new algorithm which takes less number of scans to mining the frequent items from the large database which leads to mine the association rule between the data.

Research paper thumbnail of Sierpinski carpet fractal monopole antenna for ultra-wideband applications

International Journal of Electrical and Computer Engineering (IJECE)

Microstrip antenna is broadly used in the modern communication system due to its significant feat... more Microstrip antenna is broadly used in the modern communication system due to its significant features such as light weight, inexpensive, low profile, and ease of integration with radio frequency devices. The fractal shape is applied in antenna geometry to obtain the ultra-wideband antennas. In this paper, the sierpinski carpet fractal monopole antenna (SCFMA) is developed for base case, first iteration and second iteration to obtain the wideband based on its space filling and self-similar characteristics. The dimension of the monopole patch size is optimized to minimize the overall dimension of the fractal antenna. Moreover, the optimized planar structure is proposed using the microstrip line feed. The monopole antenna is mounted on the FR4 substrate with the thickness of 1.6 mm with loss tangent of 0.02 and relative permittivity of 4.4. The performance of this SCFMA is analyzed in terms of area, bandwidth, return loss, voltage standing wave ratio, radiation pattern and gain. The pr...

Research paper thumbnail of Improved Aprori Algorithm Based on bottom up approach using Probability and Matrix

Knowledge Discovery through mining association rule among data from a large database is the one o... more Knowledge Discovery through mining association rule among data from a large database is the one of key area of research. The first proposed Algorithm apriori is used to mine frequent items from the large database which leads to mine Association Rule between the data for discovering the Knowledge from the large database. Due to the limitation and complexity of Apriori algorithm, lot of research is underway for discovering new algorithms with a motive of minimizing the time and number of database scans for Knowledge Discovery through mining Association Rule among data from a large database. This paper propose one such kind of new algorithm which takes less number of scans to mining the frequent items from the large database which leads to mine the association rule between the data.

Research paper thumbnail of Sierpinski carpet fractal monopole antenna for ultra-wideband applications

International Journal of Electrical and Computer Engineering (IJECE)

Microstrip antenna is broadly used in the modern communication system due to its significant feat... more Microstrip antenna is broadly used in the modern communication system due to its significant features such as light weight, inexpensive, low profile, and ease of integration with radio frequency devices. The fractal shape is applied in antenna geometry to obtain the ultra-wideband antennas. In this paper, the sierpinski carpet fractal monopole antenna (SCFMA) is developed for base case, first iteration and second iteration to obtain the wideband based on its space filling and self-similar characteristics. The dimension of the monopole patch size is optimized to minimize the overall dimension of the fractal antenna. Moreover, the optimized planar structure is proposed using the microstrip line feed. The monopole antenna is mounted on the FR4 substrate with the thickness of 1.6 mm with loss tangent of 0.02 and relative permittivity of 4.4. The performance of this SCFMA is analyzed in terms of area, bandwidth, return loss, voltage standing wave ratio, radiation pattern and gain. The pr...

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