Results 21 to 30 of about 19,827 (295)
In this paper, a simple microstrip patch antenna and a two-element E-plane coupled microstrip antenna array employing a defected ground structure are investigated. Without defected ground structure, the antenna has an impedance bandwidth of 675 MHz (6.78%
Munish Kumar, Vandana Nath
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Self healing of vacancy defects in single layer graphene and silicene [PDF]
Self healing mechanisms of vacancy defects in graphene and silicene are studied using first principles calculations. We investigated host adatom adsorption, diffusion, vacancy formation and revealed atomistic mechanisms in the healing of single, double ...
Ciraci, S. +2 more
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Variations of Compact Rectangular Microstrip Antennas Using Defected Ground Plane Structure [PDF]
The defects in the form of slots have been employed in microstrip antenna either on the patch or the ground plane to yield frequency reduction. However, the reported work does not provide any comparative study that highlight upon the frequency and cross ...
Poonam A. Kadam, Amit A. Deshmukh
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A Compact Second-order Chebyshev Bandpass Filter Using U-shaped Resonator and Defected Ground Structure [PDF]
A compact bandpass filter using U-shaped resonators and Defected Ground Structures is proposed and designed at 5.8 GHz. The U-shaped resonators are placed around an indirectly coupled feed line while the Defected Ground Structures are positioned beneath
N. O. Ali +4 more
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Novel Two-Dimensional (2-D) Defected Ground Array for Planar Circuits
This paper presents a novel two-dimensional (2-D) defected ground array (DGA) for planar circuits, which has horizontal and vertical periodicities of defect structure.
Haiwen Liu, Xiaowei Sun, Zhengfan Li
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A new compact Cylindrical Dielectric Resonator Antenna (CDRA) with a defected ground for ultra-wideband applications is presented. The structure is based on two cylindrical dielectric resonators asymmetrically located with respect to the center of an ...
Chemseddine Zebiri +10 more
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A Design of a Terahertz Microstrip Bandstop Filter with Defected Ground Structure
A planar microstrip terahertz (THz) bandstop filter has been proposed with defected ground structure with high insertion loss (S21) in a stopband of −25.8 dB at 1.436 THz.
Arjun Kumar, M. V. Kartikeyan
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Combined DMS and DGS Techniques for Compact and Low Cutoff Frequency LPF Design [PDF]
high performance and compact size low pass filters with narrow stopband and sharp cutoff characteristics are highly required in numerous wireless communication systems for noise and interference suppression.
Sara Meeper, Amr Hussein, Mahmoud Attia
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This study discusses the design and manufacture of microstrip antennas that aim to widen the bandwidth in the application of Wi-Fi in the form of a hexagonal patch composed of a 2x4 element array.
Koesmarijanto Koesmarijanto +2 more
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A modified Wilkinson Power Divider is proposed in this paper that utilizes defected ground structure (DGS) in parallel with an isolation resistor. The proposed DGS section is incorporated between the output ports, and the isolation resistor is soldered ...
Maaz Salman +4 more
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