Results 31 to 40 of about 4,501 (261)

Microstrip Antenna Design With Defected Ground Structure

open access: yesIOSR Journal of Electronics and Communication Engineering, 2014
This paper presents the bandwidth enhancement of co-axial fed truncated microstrip antenna using dumbbell shaped defected ground structure (DGS). The proposed antenna resonating at 5.4 GHz finds application in wireless local area networks in wireless communication systems.
Naheed Anjum Khan, Bharati A.Singh
openaire   +1 more source

Compact defected ground structure in microstrip technology

open access: yesElectronics Letters, 2005
A meander microstrip line with defected ground structure is proposed. Its radiation loss and slow-wave effect are evaluated. The compact configuration presents broad stopband and improved slow-wave characteristics. A good agreement between simulation and measurement verifies the designed circuit.
H. Liu, Z. Li, X. Sun
openaire   +1 more source

Wide ku-band log periodic dipole array microstrip patch antena using defected ground structure for electronic support measure

open access: yesMATEC Web of Conferences, 2018
Microstrip antenna as a supporter of wireless communication, which is the development of conventional antenna, has various advantages contained its predecessor, one of which has a patch that can be modified according to the wishes of the user. Microstrip
Wicaksono Immanuel   +2 more
doaj   +1 more source

A 41% bandwidth microstrip patch antenna

open access: yesDefense and Security Studies, 2023
This work contains a wideband DS (defected-ground-structure) microstrip patch antenna. Initially, the intention of this work was based on realizing a sub- 6 GHz 5G microstrip patch antenna, but through many experimentations, we inadvertently stumbled ...
Mehmet Yusuf Imeci   +2 more
doaj  

Design of Millimeter-wave Detector for Gyrotron Power Monitoring

open access: yes, 2019
The real-time power monitoring of gyrotron is one of the key issues in the operation of electron cyclotron resonance heating system. The detector can be used for real-time power monitoring.
Liu, Fukun   +3 more
core   +1 more source

Novel UWB Microstrip Antenna Structures with Defected Ground Structure

open access: yesIndonesian Journal of Electrical Engineering and Computer Science, 2018
<p>This paper presents the design of new compact printed antennas for Ultra Wide Band applications, fed with a microstrip-line. The proposed designs consist of a patch antenna with defected ground, which are fed by 50Ω microstrip transmission line. The frequency range is 3.1-10.6 GHz which is the Federal Communication Commission (FCC) band of UWB.
Saida Elajoumi   +5 more
openaire   +2 more sources

Experimental Evidence of Free Carrier Generation in 2D Hybrid Organic–Inorganic Perovskites

open access: yesAdvanced Optical Materials, EarlyView.
ABSTRACT Despite the significant potential of 2D hybrid organic–inorganic perovskites (2DHOIPs) for high‐efficiency optoelectronics application‐comparable to their 3D counterparts, the fundamental carrier photogeneration remains unclear. In contrast to conventional ultrafast optical property characterization, we use ultrafast photocurrent spectroscopy ...
Tuhin Ghosh   +8 more
wiley   +1 more source

Reconfigurable phase inverter with switchable frequency

open access: yesElectronics Letters, 2017
A novel reconfigurable phase inverter architecture allowing frequency‐switchable is proposed. Interdigital striplines, metallic via holes, and the defected ground structure are used to obtain 180° phase inverter. The switchable frequency is controlled by
Zhen Heng Liao, XuChun Zhang
doaj   +1 more source

Reconfigurable phased microstrip antenna array with defected ground structure and defected microstrip structure for beam steering application [PDF]

open access: yes, 2018
Beam steering is defined as the ability to electronically steer the beam maximum of an antenna electric field pattern to some predefined point in space. The performance of a phased antenna array for beam steering without moving the antennas is important ...
Subhi Ahmad, Khalid
core  

Bandpass Filters on a Modified Multilayer Coplanar Line [PDF]

open access: yes, 2006
The design of compact multilayer coplanar line bandpass filters is presented. These very compact filters make use of the two sides of the substrate of the modified coplanar line. In addition, a transmission zero has been introduced to the filter response,
Balalem, Atallah   +3 more
core   +1 more source

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