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362 Papers Found. Displaying page 1 of 73:

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List of Papers:
Manuscript Title:  Frequency- and Time-Domain Simulation of Microstrip Squares by Using 2D-FDTD Electromagnetic Analyses
Manuscript Id: IJMOT-2010-1-101
Abstract:  The time- and frequency-domain electromagnetic analyses of various microstrip squares were performed in order to know how the high-speed interconnects and the quarter-wave impedance-matching elements behave when used on printed circuit boards and integrated circuits. Both the characteristic impedance and physical length properties of these squares, seen from a steady-state in-frequency perspective are analyzed. Also, the step propagation characteristics in a single microstrip line, seen from a transient-behavior in-time standpoint, are investigated. A general equation expressing the propagation in the microstrip as a function of both, the phase velocity in the microstrip itself and the phase velocity in the dielectric, is used as the lengthening factor to compensate the shift in the resonant frequency.
Authors:  Alejandro Dueñas Jiménez
Category: MicrowaveTechnology:              Submitted On: 12/1/2009              Full Text  [PDF]      Pg.Nos: 1-6
Manuscript Title:  Analysis of Dual Frequency Equilateral Triangular Microstrip Patch Antenna with Shorting Pin
Manuscript Id: IJMOT-2007-10-272
Abstract:  The effects of position of shorting pin and feed-probe in an equilateral triangular microstrip patch antenna are theoretically taken into account using transmission line model. At ds/dh =0.33, frequency ratio (FR) of upper resonant frequency to lower resonant frequency is minimum. It is observed that the minimum FR decreases if substrate permittivity increases and it varies from 2.81–1.68 for relative permittivity 1.0 to 9.8. While the FR increases if the distance of the shorting pin from that point (ds/dh =0.33) increases. Maximum FR is observed at the triangle tip. The maximum FR varies from 5.43–5.07, and it decreases if substrate permittivity increases. It is also observed that the resonance frequencies are almost constant with probe position.
Authors:  Reena Pant, Pradyot Kala, R. C. Saraswat, S. S. Pattnaik
Category: MicrowaveTechnology:              Submitted On: 3/31/2008              Full Text  [PDF]      Pg.Nos: 62-68
Manuscript Title:  Suspended Microstrip Patch Antenna for Wireless Applications
Manuscript Id: IJMOT-2009-9-468
Abstract:  In this paper suspended Microstrip Patch Antenna with inverted V-shaped ground plane is presented. The fundamental parameters of the antenna such as return loss, gain, radiation pattern and polarizations are simulated, measured and these parameters meets the acceptable antenna standards. The radiation patterns are bidirectional in the Eplane and H-plane. The analysis is performed numerically using method of moments simulation software (Zeland- IE3D version 12.0) and the experimental results are presented.
Authors:  T.Shanmuganantham, Dr. S. Raghavan
Category: MicrowaveTechnology:              Submitted On: 9/03/2009              Full Text  [PDF]      Pg.Nos: 115-118
Manuscript Title:  A Modified Transmission-Line Model for Analyzing a Bow-Tie Microstrip Patch Antenna
Manuscript Id: IJMOT-2008-10-401
Abstract:  A more accurate and numerically efficient Transmission Line model is proposed for a bow-tie microstrip patch antenna to include the effect of flare angle of nonradiating edges on the antenna characteristics. A comparison between MoM, Moussakhani Transmission Line model and proposed Transmission Line model show that the results of VSWR, return loss and resonant frequency obtained from the proposed model has a better agreement with results obtained by Advance Design System which uses MoM even for large range of flare angles compared to Moussakhani Transmission Line model.
Authors:  Pradyot Kala, Reena Pant
Category: MicrowaveTechnology:              Submitted On: 1/4/2009              Full Text  [PDF]      Pg.Nos: 263-269
Manuscript Title:  Multiband Printed Antenna for Low Frequencies and WLAN Applications
Manuscript Id: IJMOT-2006-9-222
Abstract:  A compact multi-frequency microstrip antenna suitable for mobile communication systems is presented. The structure consists of three concentric, conductively connected annular rings. The antenna is fabricated in a double dielectric layer substrate, is fed by two probes and operates in more than seven frequency ranges between 0.1 GHz and 3GHz. The design was based on the full wave theoretical analysis of the printed elements. Results obtained by simulation and measuring are presented.
Authors:  A Manassas,T Kaifas,K Siakavara
Category: MicrowaveTechnology:              Submitted On: 4/20/2007              Full Text  [PDF]      Pg.Nos: 182-186
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