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Research Work

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List of papers Published Prof Asok De

(a) Research Papers in Journals:

  •   “ Input impedance of probe excited rectangular Microstrip patch radiator”. Asok De & B.N. Das. IEE Proc. On Microwaves Optics and Antennas. Pt.-H,.-131, No: 1, Feb.1984, pp-31-34.
     
  •   Resonant frequency of elliptical Microstrip patch radiator.-Ranjit Singh & Asok De. International Journal of Electronics, vol.-69.,no:3.,pp-385-388.,1990
     
  •   Comments on an improved formula for the resonant frequency of triangular Microstrip patch antenna.-Ranjit Singh & Asok De. IEEE Trans. On Antennas and Propagation. AP-39, No.-9,Sept.91,pp-1443-1444.
     
  •   “Investigation of modes tunable circular patch radiator with arbitrarily located shorting posts”, Chakravarty. T., and A.De IETE Tech, Review, vol 16,no.1 January 1999.pp-109-111.
     
  •   “Design of tunable modes and dual-band circular patch antenna using shorting posts”, Chakravarty. T., and A.De IEE Proc-Microw. Antennas Propag., Vol 146,no.3,1999.pp-224-228.
     
  •   “Resonant frequency of a shorted circular patch with the use of a modified impedance expression for a metallic Post”, Chakravarty. T., and A.De, Microwave and Optical Technology Letters, Vol.33,no.4,May20,2002,pp-252-256
  •   “Using cavity model analysis for design of dual-band dual-slant-polarized Microstrip antenna”, Chakravarty. T., and A.De, Microwave and Optical Technology Letters, June 5,2003
     
  •   “Theoretical Investigation of resonant modes of shorting post loaded circular Microstrip antenna on sphere”, De., A., and T. Chakravarty Journal of Electromagnetic Waves and Applications, Vol. 14,2000,pp-1087-1102.
     
  •   “Design of a Hybrid Fibre-Optic Network Using 3-D Optical Code Sequences M.Kulkarni, R.K.Sinha & Asok De.” published in the journal of Fibre & Integrated Optics (Taylor & Francis USA), Volume 21, Number 4/July 01, 2002, Pg. 253-268.
     
  •   “Numerical Analysis of the Single Step Discontinuity in the two Dimensional Dielectric Waveguide” Asok De, G.V. Attimarad & J. Sharma, Journal of Electromagnetic Waves and Applications Volume 17,No.6. 2003, Pg. 885-900.
     
  •   “Numerical Analysis of Two Dimensional Tapered Dielectric Waveguide-Abstract” Asok De & G. V. Attimarad, Journal of Electromagnetic Waves and Applications Volume 18, No.2. 2004, Pg. 375-376.
     
  •   “Compact and tunable circular microstrip patch using post-varactor loading”, Chakravarty. T., S.K. Sanyal and A.De, IETE Tech. Review, Vol. 18,No.2-3, March-June 2001.
     
  •   Loaded Microstrip Disk Resonator Exhibits ULRA – Low frequency resonance- Accepted for publication in Journal for Electromagnetic waves & applications ( USA).
     
  •   T Cahkravarty, S. M. Ray, S.K. Sanyal & A De, “A Novel Microstrip Patch Antenna with large Impedance Bandwidth in VHF/UHF range”, Journal of Electromagnetic Waves and Applications, 2005.
     

(b)Papers in Conferences/Conference proceedings:

  •   Wall Admittance of Rectangular Microstrip Patch Radiator.-Asok De & B.N. Dass. Conf. Publication No: 219, 3rd. International conf. On Antennas & Propagation. ICAP83. Norwich U.K. University of East Anglia. April 1983.
     
  •   Resonant frequency of passive post loaded circular patch radiator-Asok De & B.N.Dass. IEEE conf. on antennas & Communication (MONOTECH) held in Montreal, Canada. Sept.-29-Oct.1, 1986.
     
  •   Analysis of impedance loading on rectangular waveguide due to aperture coupled Microstrip patch radiator.-Asok De & B.N.Dass. Conf. publication No.-301.6 th. Int. conf. on Antennas & Propagation. ICAP-89, U.K. pp-378-382.
     
  •   Effect of co-axially loaded variable stub on the resonant frequency of circular Microstrip patch antenna-Ranjit Singh, Asok De & R.S. Yadav.,4 th. IEEE Region-X, Int. conf. TENCON 89. Conf. Publication no:CH 2766,pp-224-225.
     
  •   Analysis elliptical Microstrip patch antenna.-Ranjit Singh. Asok De & R.S. Yadav. Proc. Of the National Conf. on Electronic Circuits & Systems. Tata-McGrawhill proc. NACONBCS 89. Roorkee.pp-40-42.
     
  •   A simple method of measuring dielectric constant at microwave frequencies.-Ranjit Singh & Asok De, IEEE Conf. on Antennas & Propagation. CH-2822-5,1990.
     
  •   A simple approach to calculate resonant frequency of hexagonal Microstrip patch radiator.-Ranjit Singh & Asok De. Int. conf. on millimeter wave and microwaves.,ICOMM-90,Dec.19-20,1990.
     
  •   On the resonant frequencies of triangular Microstrip patch radiator.-Ranjit Singh & Asiok De. 3 rd., Asia Pacific Microwave Conference. APMC-90 Sept. 19-21. 1990, Tokyo, Japan. Excitation of rectangular patch radiator by open ended waveguide.-S.Pal & Asok De. Int. conf. on Electromagnetic interference and compatibility. Dec.-2-4, 1992. Calcutta India., Conf. proc.pp-357-360.
     
  •   Analysis of a symmetrical rectangular coaxial waveguide using Ritz-Galarkin technique.-G.Sen,Asok De & P.K. Saha. Proc. Of Asia Pacific Microwave Conference 1996. Conf. vol.No:4.,pp-1411-1416. New Delhi, India.
     
  •   A unique case of electromagnetically coupled rectangular patch array,-T.Chakraborty & Asok De. Proc. Of Int. on computers & Devices for Communication. CODEC-1998. Conf. Proc. Published by Academic Press. Calcutta, India. “A novel method of extending frequency tenability of circular patch using two shorting pins”, Chakravarty. T., and A.De, IEEE-APS Int. Symposium, Ohio, USA, 2003,
     
  •   “Extending bandwidth of circular Microstrip antenna with single shorting post”, Chakravarty. T., and A.De, Proc. Int. Symp. Recent Advances in Microwave Technology (ISRAMT), Spain, July,1999.
     
  •   “A new slant polarized dual band microstrip antenna”, De., A., and T. Chakravarty, Int. Symp. Progress In Electromagnetic Research (PIERS), Japan,July,2001. “A Study on the Effect of Varactor Diode Parameters on the Performance of an Electronically Tunable Microstrip Antenna for Applications in Wireless LAN systems”, Chakravarty. T., S.K. Sanyal and A.De IEEE ACE-2002, 28 th Annual Convention, Kolkata, December 2002.
     
  •  “Theoretical evaluation of resonant frequencies of a hemispherical-circular Microstrip antenna”, De., A., and T. Chakravarty, Proc. Int. Conf. Electromagnetic Interference and Compatibility (INCEMIC), India, December,1999. • “Numerical Analysis of Two Dimensional Tapered Dielectric Waveguide” Asok De & G. V. Attimarad published in Progress in Electromagnetics Research, PIER 44, 2004, Pg.131-142.
     
  •   “Design Of Beam Expander; A Matching Section Between Two Open Waveguides” Asok De & Girish V. Attimarad published in Proceedings of International Conference on Communications, Devices & Intelligent Systems, (CODIS 2004,8-10 Jan, Kolkata), Pg 224-227.
     
  •   “Numerical Analysis of Tapered Dielectric Waveguide” Asok De & Girish V. Attimarad, Asia Pacific Microwave Conference, 2003, Nov 4-7,2003 Seoul, Korea (Accepted).
     
  •   “Reflection Coefficient of Tapered Open Waveguide with Exponential and Triangular Distribution” Abstracts, National Conference on Radio Science in India, NPL, New Delhi, Nov. 27-29, 2003, Pg 15.
     
  •   “Scattering Parameters of Dielectric Waveguide” Asok De & Girish V. Attimarad NCC 2003: 9 th National Conference on Communications, IIT, Madras Jan 31-Feb 2, 2003.
     
  •   “Loaded Microstrip disk resonator exhibits ultra-low frequency response” Asok DE and T. Charkavaty, accepted for publication in Journal of Electromagnetic Waves and Applications.
     
  •   De A. “An Algorithm for Frequency Pattern Mining Using Digital Search Tree” , in the conference on information management in Knowledge Society held at Mumbai, Feb 2005.
     
  •   Biswas S, Chakravarty T and De A “Effect of Centre Post on the Compactness of Shorting Post Loading Circular Patch”, accepted for publication in International Conference and Antenna and Propagation Society – IEEE APS 2005 to be held Washington, DC, July 2005.
     
  •   De A “Microstrip Antenna As a VHF Probe: A Novel Design Technique”, presented in International Conference on Bio-Medical Electronics and Telecommunications (BET-04), held in Visakhapatnam, on 9-10 December, 2004.
     
  •   “Numerical Analysis of Two Dimensional Exponential Taper and Taper with Triangular Distribution in open waveguide”, Girish V. Attimarad and Asok De in the conference of The Institution of Electronics and Telecommunication Engineers, Delhi.
     
  •   De Asok, Aditya Pyasi and Vipin Bansal. “Prevention of Electricity Theft and Fault Detection on L. T. lines through transient detection”. APMC-2004 held at New Delhi 15 th to 18 th December-2004.
     
  •   De Asok, Aditya Pyasi and Vipin Bansal. “Prevention of Electricity Theft and Fault Detection on L. T. lines through transient detection”. APMC-2004 held at New Delhi 15 th to 18 th December-2004. c) Research Schemes Title Principal Investigator Sponsoring Organization 1.Study of Cavity backed Microstrip radiator.
     
  • Prof. A.De ISRO 2.Study of multilayered Microstrip radiator Prof. A.De ISRO 3.Design and Consultancy on Tools & Training Methodology Prof. A.De V-Customer Pvt. Ltd.
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