Refine your search
Co-Authors
Journals
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z All
Gayathri, A.
- Dolly Shaped Patch Antenna with Enhanced Bandwidth Implementing Reactive Impedance Surface and L Shaped Slots on Ground for UMTS (SATCOM) Application
Abstract Views :232 |
PDF Views:0
Authors
R. Gayathri
1,
A. Gayathri
1
Affiliations
1 Dept. of Electronics & Communication Engineering, Annamalai University, Chidambaram, IN
1 Dept. of Electronics & Communication Engineering, Annamalai University, Chidambaram, IN
Source
Indian Journal of Innovations and Developments, Vol 5, No 8 (2016), Pagination: 1-6Abstract
Background /Objective: In the recent past Reactive Impedance Surface is used to increase the bandwidth of the patch antenna by antenna designers. The aim is to design a compact antenna using RIS for UMTS spectra.
Methods/Statistical analysis: RIS are effectively used in the design of the proposed antenna (which is made Compact) to increase bandwidth.
Findings: The proposed antenna has superior radiating features due to slots in its ground plane. It resonates at 2.18 GHz having a gain of 4.6 dB.
Applications: This antenna finds application in UMTS (SATCOM).
Keywords
Microstrip Patch Antenna, Compactness, Miniaturization, Linear Polarization, Wireless Application, Band Width Enhancement, UMTS, SATCOM.Full Text
References
- W.L. Stutzman, G.A. Thiele. Antenna Theory and Design. Wiley. New York. 1998.
- Gourav Misra, Arun Agarwal, Kabita Agarwal. Design and performance evaluation of microstrip antenna for ultra-wideband applications using microstrip feed. American Journal of Electrical and Electronic Engineering. 2015; 3(4), 93-99.
- Vinod Kumar Singh, Arvind K Singh, Rajmani Yadav, Ravi Kant. Design & Analysis of bandwidth of microstrip patch antenna for DCS/UMTS application. Advance physics letter. 2014; 1(2), 43-6.
- K.P. Ray, G. Kumar. Broadband microstrip antennas. Archtech House. 2003.
- R. Garg, P. Bhartia, I. Bahl, A. Ittipiboon. Microstrip antenna design handbook. Artech House London. 2001.
- L. Benard, G. Chertier, R. Sauleau. Wideband circularly polarized patch antennas on reactive impedance substrates. IEEE Antennas & Wireless Propagation Letters. 2011; 10, 1015-1018.
- R. Gayathri, M. Anitha, Athrish Mukerjee, K. K .Sood, R. Jyoti. Dual Band, miniaturized, enhanced-gain patch antennas using differentially-loaded metastructures. Indian Journal of Science and Technology. 2015; 8(1), 11-16.
- D.Yuandan, H.Toyao, T. Itoh. Design and characterization of miniaturized patch antennas loaded with complementary split ring resonators. IEEE Transactions on Antennas & Propagation. 2012; 60(2), 772-785.
- Gayathri Rajaraman, K. Parthiban, M. Ramaswamy. Dual band miniaturized patch antenna for WLAN, WIMAX applications using spiral meta component. International Journal of Scientific Research in Science Engineering and Technology. 2016; 2(2), 1086-1089.
- Vendor specification. http://www.roundsolutions.com. Date accessed: 2015
- Diversity, Antibacterial Activity And Molecular Characterization of Actinomycetes Isolated From Salt Pan Region of Kodiakarai, Nagapattinam DT.
Abstract Views :198 |
PDF Views:0
Authors
Affiliations
1 Department of Botany and Microbiology, A. V. V. M. Sri Pushpam College [Autonomous], Poondi-Thanjavur, IN
2 Dept of Microbiology, Thanthai Hans Roever College of Arts and Science, Perambalur - 621 212, Tamil Nadu, IN
1 Department of Botany and Microbiology, A. V. V. M. Sri Pushpam College [Autonomous], Poondi-Thanjavur, IN
2 Dept of Microbiology, Thanthai Hans Roever College of Arts and Science, Perambalur - 621 212, Tamil Nadu, IN
Source
Asian Journal of Pharmacy and Technology, Vol 1, No 3 (2011), Pagination: 79-81Abstract
The present study was to isolate and identify antimicrobial activity producing actinomycetes strains from marine habitat, to find out antibacterial efficiency against the common human pathogens. Marine actinomycetes were isolated from salt pan region of Kodiakarai, Nagapattinam [District].Out of 20 isolated actinomycetes 10 were identified and selected for antibacterial activity. Out of 10 dominant actinomycete species Streptoverticillium album was highly dominant and showed the best level of antibacterial activity against three human pathogens, Staphylococcus aureus, Klebsiella pheumoniae and Escherichia coli. The isolation, characterization and the study on actinomycetes can be useful in the discovery of antibiotics and also confirmed by molecular characterization.Keywords
Antibacterial Activity, Sterptoverticillium album, Marine Actinomycetes.
- Energy Audit in College Campus
Abstract Views :171 |
PDF Views:0
Authors
Affiliations
1 Department of Electrical and Electronics and Engineering, KPR Institute of Engineering and Technology
2 Department of Electrical and Electronics and Engineering, KPR Institute of Engineering and Technology, IN
1 Department of Electrical and Electronics and Engineering, KPR Institute of Engineering and Technology
2 Department of Electrical and Electronics and Engineering, KPR Institute of Engineering and Technology, IN
Source
Software Engineering, Vol 11, No 2 (2019), Pagination: 32-33Abstract
Energy demand is an existing problem for the developing country like India. The energy generation plays a vital role in the economic growth of the country. India is the third largest power generator and the third largest power consumer in the world, energy demand and scarcity rules the country. Energy audit and conservation can be the best solution for the raising energy demand. This project describes the energy audit methodology for the organization. Nowadays in the new trends of power market, it is a very difficult task to satisfy the power balance concepts even though the consumers are able to pay their costly demands. So the energy conservation and energy management concepts are necessary for the flexible utilities. The energy audit is a process to identify the facilities from different areas. An energy auditing system inspects and analyses the flow of energy to cut back energy consumption while not affecting the number and quality of productions undesirably. Energy monitoring is one of the important applications arising from research in Internet of Things. Suggesting the methods which reduce the energy consumption and cost of utilization. Methods such as type of lamps and fans can be used to reduce the consumption of energy. Also provides Energy monitoring system for classroom using Internet of Things. The system provides the periodic energy consumption data of the loads in the class room.
Keywords
IoT-Internet of Things, LCD-Liquid Crystal Display, Wi-Fi -Wireless Fidelity.References
- Neil Stephen Lopez , Jeremias Gonzaga , Laurence A. Gan Lim, “Energy Audit and Analysis of Electricity Consumption of an Educational Building Philippines for smart consumption,” 2017 IEEE 9th International Conference on Humanoid, Nanotechnology, Information Technology, Communication and Control, Environment and Management (HNICEM)
- Chikku Abraham, Mel George, Victor Jose, Sharath Deshpande, “Energy Audit of IIT-Bombay Campus”, July 2008.
- Nissanga Nishad, Rasanajan Mendis, Nisal Perer, “Energy Audit: A Case Study” ‖International Conference on Information and Automation, 2006.
- D. C. Maheepala, R. M. N. Nayanajith, M. W. R. P. Somarathna, R. A. A. M. Bandara, K. T. M. U. Hemapala, “Designing an Energy Monitoring, Analysing and Solution Providing System for Energy Auditing,” 2018 Fourth International Conference on Advances in Electrical, Electronics, Information, Communication and Bio-Informatics (AEEICB)
- C. C. Aggarwal, N. Ashish and A. Sheth, "The Internet of Things: A Survey from the Data-Centric Perspective," in Managing and Mining Sensor Data, Springer US, 2013.
- Opthalmic Exercises on Myopia
Abstract Views :209 |
PDF Views:0
Authors
Affiliations
1 Department of Medical Surgical Nursing, College of Nursing, SRIPMS, Coimbatore, IN
1 Department of Medical Surgical Nursing, College of Nursing, SRIPMS, Coimbatore, IN
Source
Asian Journal of Nursing Education and Research, Vol 9, No 1 (2019), Pagination: 43-50Abstract
Ophthalmic exercise is massage method that aims at promoting students awareness of eye production, improving blood circulation and relaxing muscles in ocular region, reducing the eye strain of students with myopia. The aim of the study to identify the effect of ophthalmic exercise among students with myopia at selected college Coimbatore. Quasi experimental one group pretest and post test research design was adopted in this study. The samples were selected using Non probability purposive sampling technique. Among 35 samples, 23 samples were Iyear, four samples were IIyear and eight samples were III year. The level of knowledge among students with myopia was assessed using self structured questionnaire before and after ophthalmic exercise. Ophthalmic exercise were demonstrated by using flashcard and slide projector and students continued to practice the exercises for 15 minutes twice a day for one week. The duration of exercise was 20 minutes. The level of eye strain was assessed by using asthenopic symptoms scale before and after intervention. It was identified that the mean level of knowledge among students with myopia during pre test and post test was 13.6 and 16.08 respectively with the standard deviation of pre test and post test was 0.64 and 1.59 respectively. The calculated ‘t ’ value 10.75 was greater than the table value 1.96 at 0.05 level of significance. It was identified that the mean level of eye strain among students during pretest and post test was 4.08 and 2 respectively with a standard deviation of pre test and post test was 2.01 and 1.19 respectively. The calculated ‘t’ value 5.94 was greater than the table value 1.96 at 0.001 Level of significance. Hence it was concluded that ophthalmic exercises is an effective intervention in reducing the level of eye strain among students with myopia.Keywords
Opthalmic Exercises, Myopia and Eye Strain.References
- Anandrao, S.D., Dnyaneshwar, P.S. (2015). A clinical study to Evaluate The Efficacy of Trataka Yoga Kriya And Eye Exercise In The Management of Timira. International Ayurvedic Medical Journal, 3(7), 1-8.
- Ashalatha, P.R. (2015). Text book of Anatomy and Physiology for Nurse, 4thed, Jaypee Brothers medical publishers(p)ltd, 542-553.
- Byas and Ghosh (2007). Text book of Human Anatomy for students, 1st ed, published by Jaypee brothers, (364-370).
- Ciumbaraite, R., Sergejeva, O., Mazeikaite, G., Banevicius, M. and Liutkeviciene, R. (2015). Exercise influence on refractive error, and reserves of accommodation and convergention. Conference “Biomedical Engineering", 19(1), 1-4.
- Donoghue, L.O., Mcclelland, J.F., Logan, N.S., Rudnicka, A.R., Owen, C.G., and Saunders, K. (2012). Refractive error and visual impairment in school children in Northern Ireland.British Journal of Ophthalmology, 94(9), 1-24.
- . Dr. Murthy, k. (2009). Text book ophthalmology for Nurses, 1sted, Vora Medical Publishers, (113-117).
- Gopinathan, G., Dhiman, K. S., and Manjusha, R. (2015). A clinical study to evaluate the of Trataka Yoga Kriya and eye exercises in the management of Timira. An International Quartery Journal of Research in Ayurveda, 3(7), 543-546.
- . Gosewade, N.B., Shende, S.V., andKashalikar, S.J. (2013). Effect of various Eye Exercise Techniques along with Pranayama on Visual Reaction Time: A Case Control Study. Journal of clinical and diagnostic Research, 7(9), 1870-1873
- Horwood, A.M., Toor, S.S., Riddell, M.P. (2012). Changes in convergence and accommodation after two weeks of eye exercise in typical young adults. Journal of AAPOS, 18(2), 162-168.
- Kang, M. T., Li, S.M., Peng, X., LI, L., Ran, A., Meng, B., Sun, Y., Liu, L.R., Li, H., Millodot, M., and Wang, N. (2016). Chinese eye exercise and myopia development in school age children: A Nested Case-Control Study. Sci. Rep. 6, 28531; doi:10.1038/srep 28531(2016).
- Kumar, M. A., Rajalakshmi, A. R., and Kubhat, M. (2014). Effect yoga eye exercise on Medical College Students with refractive Error, Journal of current trends in clinical medicine and laboratory biochemistry, 2(3), (16-18).
- Lin, Z., Vasudevan, B., Jhanji, V., Gao, T.Y., Wang, L.N., Wang, Q., Wang, W., Ciuffreda, J. K., and Liang, Y.B. (2013). Eye exercise of acupoints: their impact on refractive error and visual symptoms in Chinese urban children.BMC Complementry andalternative Medicine 2013, 13:306; DOI:10.1186/s12906-016-1289-4; http:// www.biomedcentral.com/1472-6882/13/306:(1-9).
- Lin, Z., Vasudevan, B., Fang, S. j., Mao, G. M., Han, W., Gao, T.Y., Ciuffreda, k.j., and Liang, B. Y. (2016). Eye exercise of acupoints: their impact on refractive error and visual symptoms in Chinese rural children. BMC Complementry and alternative Medicine (2016) 16:349; DOI:10.1186/s12906-016-1289-4; http://www.biomedcentral.com/1472-6882/13/306:(1-9).
- Lolage, R., andJadhav, N. (2013). Effect of Yogic Exercise on myopia DOI: 10.7763/IPEDR 2013, 64(12), 55-58.
- Li SM., Kang MT., Peng XX., Li SY., Wang Y., Li., Yu J., Qiu LX., Sun YY., Liu LR., Li H., Sun X., Millodot M, and Wang N.(2016). Chinese eye exercise and myopia development in school aged children: A randomized controlled trail. Journal.pone.0117552.eColection 2015, 10(3), 162-168.
- Lewis (2015). Text book of Medical Surgical Nursing, 2 nded, Elesevier publication, (384-419).
- Norouzirad, R., Hashemi, H., Yekta, A., Nirouzad, F., Ostadimoghaddam, H., Yazdani, N., Dadbin, N., Javaherforoushzadeh, A., andKhabazkhoob, M. Journal of current ophthalmology, 27(2017), 51-55.
- Pandey, R., Aranha, V.P., Samuel, A.J., and Kumar, S.P. (2017).A scoping Literature Review on Effect of eye Exercise on Myopia in Children. Physiotheraphy and occupational theraphy journal, 8(1), 27-29, Available online at www.ijarnd.com.
- Samia, A. (2013). Vision Therapy-Based Program for Myopia Control in Adolescents. Middle-East Journal of Scientific Research.13 (3): 390-396.
- Sowya, Chhugani, M., andTamang, E.L. (2017). Assessment of effectiveness of Trataka Exercise on vision and Aesthenopia among student nurses with refractive error. International journal of Health Science and Research, 7(4), 325-331.
- Suddarth, B. (1999). Text book of Medical Surgical Nursing, 9th ed, Lippincott Williams and Wilkins publishers, (1545-1547).
- Suresh, k. Sharma. (2014). Text book of Nursing Research and Statistics, 2nded, Elsevier publication, 467-468.
- Vandana, R.J., Devanshi, P. D., Alagesan, J. (2011). Effect of Eye exercise on myopia-Randomized Controlled Study, 10(10), ISSN NO-2230-7885.Available online at www.jpbms.info, (1-4).
- Cohiya, V. (2006). Text book of practical manual of ophthalmology, 1sted, published by Jaypee brothers, (2-3).
- M.wikihow.com>...>Eye care
- Myopia-www.medindia.net
- Nearsightedness-www.webmd.com