Results 91 to 100 of about 5,496,642 (229)

Design of Bandstop filters using defected ground structures

, 2015
In this thesis, modified design of band stop filters using defected ground structures have been proposed. The new proposed structures have conventional dumbbell DGS integrated with U-slot and the conventional spiral DGS integrated with U-slot both ...
Annam, Kaushik
core   +1 more source

Broadband Balanced-to-Balanced Filtering Power Divider Using HMSIW-SSPP Transmission Line

Micromachines
In this paper, a novel broadband balanced-to-balanced (BTB) filtering power divider (FPD) utilizing the half-mode substrate-integrated waveguide and spoof surface plasmon polariton (HMSIW-SSPP) hybrid transmission line is introduced.
Hao Liu, Bing Xue, Jun Xu
doaj   +1 more source

Review on Bandwidth Enhancement Techniques in Ultra-Wideband (UWB) Planar Antennas

Journal of Engineering
Ultra-wideband (UWB) antennas have grown into fundamental constituents in advanced wireless applications owing to their ability to support significantly wide band frequencies demanded to achieve accelerated communication, radar, sensing, and imaging ...
Hafsa Amer Jassim, Heba Ahmed Jassim, Zahraa Khduair Taha   +2 more
doaj   +1 more source

Novel Defected Ground Structure Patterns.

, 2006
In recent years, the defected ground structure (DGS) has found numerous applications in the design and improvement of microwave circuits including amplifiers, filters, couplers and oscillators. DGS has the attractive benefits of band rejection, alleviation of the difficulties of fabricating high impedance microstrip lines and size reduction, owing to ...
openaire   +1 more source

A Compact Dual-band Antenna Based on Defected Ground Structure for ISM Band Applications

, 2020
This paper presents the design and realization of a compact dual-band antenna for industrial scientific and medical (ISM) band applications. The compact geometry of the antenna is achieved by combining two miniaturization techniques like defected ground ...
Hussain, N, Awan, WA, Ghaffar, A, Li, XJ
core  

State of the art review of mutual coupling reduction techniques in smartphone MIMO antennas

Discover Applied Sciences
The MIMO antenna systems have become the cornerstones of the current wireless communication standards, offering the ability to greatly increase the spectral efficiency, the data rates, and the reliability of the links.
Sultan Shoaib, Muhammad Zahid, Yasar Amin   +2 more
doaj   +1 more source

Impact of Defected Ground Structures on the Bandwidth of Branch Line Hybrids

, 2015
This paper investigates the impact of defected ground structures (DGS) on the operational bandwidth of microwave circuits. Branch line hybrids were selected to investigate DGS.
Polater, Ahmet Mert, Nesimoglu, Tayfun
core   +1 more source

MICROSTRIP FILTERS USING DEFECTED GROUND STRUCTURE

, 2009
The thesis deals with the microstrip filter design using defected ground structure (DGS). The difference between standard asymmetric microstrip technique and DGS is in using the structures etched in the microwave substrate ground plane.
Vágner, Petr
core  

Design, modeling and implementation of antennas using electromagnetic bandgap material and defected ground planes [PDF]

, 2011
The main objective of this research is to design, model and implement several antenna geometries using electromagnetic band gap (EBG) material and a defected ground plane.
Zainal Abidin, Zuhairah
core