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نمایش تعداد 1-10 از 10

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    Development of Low Profile Patch and Semi - Circular SIW Cavity Hybrid Antenna s 

    نوع: Journal Paper
    نویسنده : حمیده دشتی خویدکی; محمدحسن نشاطی; Hamideh Dashti Khavidaki; Mohammad Hassan Neshati
    سال: 2014
    خلاصه:

    Two low profile hybrid antennas are presented. One of the structures provides linearly polarized (LP) wave and the other one produces circularly polarized (CP) radiated field. Half-mode Substrate Integrated Waveguide (HMSIW) ...

    Comparative Investigation of Half-mode SIW Cavity and Microstrip Hybrid Antenna Using Different Patch Shapes 

    نوع: Journal Paper
    نویسنده : حمیده دشتی خویدکی; محمدحسن نشاطی; Hamideh Dashti Khavidaki; Mohammad Hassan Neshati
    سال: 2014
    خلاصه:

    A set of hybrid microstrip patch and semi-circular cavity antennas is introduced. The semi-circular

    cavity is implemented using Half-mode Substrate Integrated Waveguide (HMSIW) technique.

    Different shapes of ...

    Design Investigation of Microstrip Patch and Half-Mode Substrate Integrated Waveguide Cavity Hybrid Antenna Arrays 

    نوع: Journal Paper
    نویسنده : حمیده دشتی خویدکی; محمدحسن نشاطی; Hamideh Dashti Khavidaki; Mohammad Hassan Neshati
    سال: 2015
    خلاصه:

    In this paper two linear arrays including a linear 1×4 and a planar 2×2 of microstrip patch and halfmode

    substrate integrated waveguide (SIW) cavity hybrid antenna are introduced and investigated.

    These are ...

    Development of a Linearly Polarized Circular Substrate-Integrated Waveguide Cavity-Backed 2 × 2-Slot Antenna Array 

    نوع: Journal Paper
    نویسنده : حمیده دشتی خویدکی; محمدحسن نشاطی; Hamideh Dashti Khavidaki; Mohammad Hassan Neshati
    سال: 2015
    خلاصه:

    This article presents two new cavity-backed slot antennas utilizing substrate-integrated waveguide technology and offering high gain. Radiation performances of the proposed antennas are experimentally and numerically ...

    Numerical Investigation of Rectangular Dielectric Resonator Antenna Array Fed by Dielectric Image Line 

    نوع: Journal Paper
    نویسنده : محمدحسن نشاطی; حمیده دشتی خویدکی; F. Mohanna; Mohammad Hassan Neshati; Hamideh Dashti Khavidaki
    سال: 2011
    خلاصه:

    A Rectangular Dielectric Resonator Antenna (RDRA) array fed by a Dielectric Image Line (DIL) through a narrow slot is numerically investigated based on Finite Element Method (FEM). A single DRA, at first, is studied and ...

    Numerical Investigation of a Broadband Dielectric Resonator Antenna Backed by SIW Cavity 

    نوع: Conference Paper
    نویسنده : حمیده دشتی خویدکی; محمدحسن نشاطی; Hamideh Dashti Khavidaki; Mohammad Hassan Neshati
    سال: 2013
    خلاصه:

    Abstract- In this paper an slot excited cylindrical Dielectric Resonator Antenna (DRA) backed by a substrate integrated waveguide (SIW) cavity is numerically investigated based on Finite Element Method (FEM). It consists ...

    SIW Cavity-Backed Slot Antennas with Improved Gain 

    نوع: Conference Paper
    نویسنده : حمیده دشتی خویدکی; M. shahabadi; محمدحسن نشاطی; Hamideh Dashti Khavidaki; Mohammad Hassan Neshati
    سال: 2013
    خلاصه:

    In this paper, three cavity-backed slot antennas utilizing the substrate-integrated waveguide (SIW) technology are proposed. They are single-slot, two-slot, and 2×2-slot antenna structures. Their performance is numerically ...

    New Hybrid Antenna Using Microstrip Patch Antenna Fed by Half-Mode Substrate Integrated Waveguide Cavity 

    نوع: Conference Paper
    نویسنده : حمیده دشتی خویدکی; محمدحسن نشاطی; Hamideh Dashti Khavidaki; Mohammad Hassan Neshati
    سال: 2014
    خلاصه:

    A novel design of feeding Microstrip Patch Antennas (MPAs) using Half Mode Substrate Integrated Waveguide (HMSIW) technique is proposed. The design is based on the half-mode circular SIW cavity operating at TM010 mode. The ...

    New Techniques to Improve Radiation Characteristics of SIW Cavity-Backed Slot Antennas 

    نوع: Conference Paper
    نویسنده : حمیده دشتی خویدکی; محمدحسن نشاطی; Hamideh Dashti Khavidaki; Mohammad Hassan Neshati
    سال: 2014
    خلاصه:

    In this paper, novel cavity-backed slot antennas based

    on substrate-integrated waveguide (SIW) for dual frequency and

    bandwidth enhancement are proposed. Their performance is

    numerically evaluated by ...

    RDRA Array Fed by Dielectric Image Line with Improved Gain & Low Back Radiation 

    نوع: Conference Paper
    نویسنده : حمیده دشتی خویدکی; محمدحسن نشاطی; Farahnaz MohannaّFA; Hamideh Dashti Khavidaki; Mohammad Hassan Neshati
    سال: 2010
    خلاصه:

    In this paper a single element Rectangular Dielectric Resonator Antenna (RDRA) and an array of 3-elements DRA fed by Dielectric Image Line (DIL) through a narrow slot is numerically investigated for a particular resonator. ...

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