Results 21 to 30 of about 36,933 (358)

RFID coverage extension using microstrip-patch antenna array [PDF]

open access: yes, 2009
In this paper, a UHF-band 2 x 2 microstrip phased-array antenna is designed and implemented to extend the coverage of an RFID reader system. The phased-array antenna has four microstrip-patch antennas, three Wilkinson power dividers, and a transmission ...
Abbak, Mehmet   +2 more
core   +1 more source

Pattern performance of active phased array antenna for Gaofen-3 satellite

open access: yesAlexandria Engineering Journal, 2022
The phased array antenna is one of the critical components of the space-borne SAR system and plays a key role in the quality of images. This paper focuses on the design of active phased array antenna for Gaofen-3 satellite, including its architecture ...
Fuguo Zhu   +4 more
doaj   +1 more source

User Impact on Phased and Switch Diversity Arrays in 5G Mobile Terminals

open access: yesIEEE Access, 2018
In this paper, a mobile terminal phased array at 28 GHz with different scan angles is compared with a switch diversity antenna array at 28 GHz in the case of antenna beams pointing at the user's body.
Igor Syrytsin   +2 more
doaj   +1 more source

Penggunaan Metode Finite Difference TIME Domain (Fdtd) Dalam Simulasi Phased Array Antenna [PDF]

open access: yes, 2017
Finite Diffrence Time Domain merupakan metode simulasi yang digunakan dalam simulasi gelombang elektromagnetik dimana mengunakan prinsip dasar pendekatan numerik dari persamaan differensial dalam domain ruang dan waktu.
Yudistira, H. T. (Hadi)
core   +2 more sources

A Novel Design of Slotted Waveguide Phased Array Antenna

open access: yesAdvanced Electromagnetics, 2019
A novel design of phased array antenna based on a Slotted Waveguide Antenna Array (SWAA) is introduced in this paper. The CST Microwave Studio simulation results show that the S‒parameters, the gain, the axial ratio, and the beamwidth of the proposed ...
M. Elhefnawy, A. A. Al-Hadi
doaj   +1 more source

Wide‐angle scanning phased array using wide‐beamwidth dielectric resonator antenna with miniaturised radiator

open access: yesElectronics Letters, 2022
A wide‐beamwidth dielectric resonator antenna with small radiator is used to design a wide‐angle scanning phased array. The proposed dielectric resonator antenna element uses concave structure for wide‐beamwidth, and the metal patches on the top of the ...
Yeqing Yin, Qinlong Li, Xiaoming Chen
doaj   +1 more source

Conformal phased array with beam forming for airborne satellite communication [PDF]

open access: yes, 2008
For enhanced communication on board of aircraft novel antenna systems with broadband satellite-based capabilities are required. The installation of such systems on board of aircraft requires the development of a very low-profile aircraft antenna, which ...
Heideman, R.G.   +8 more
core   +2 more sources

A Phased Array Antenna with Novel Composite Right/Left-Handed (CRLH) Phase Shifters for Wi-Fi 6 Communication Systems

open access: yesApplied Sciences, 2023
A linear phased array antenna excited with a novel composite right/left-handed (CRLH) phase shifters structure is proposed. The phase of the conventional CRLH transmission line is controlled with magnetically aligned micron-sized particles embedded ...
Muhammad Ayaz, Irfan Ullah
doaj   +1 more source

Geometric Phase in Phasing of Antenna Arrays [PDF]

open access: yesSymposium - International Astronomical Union, 2002
The response of a pair of differently polarized antennas is determined by their polarization states and a phase between them which has a geometric part which becomes discontinuous at singular points in the parameter space. Some consequences are described.
openaire   +2 more sources

Simulation and experimental measurement of digital multi-beamforming phased antenna array in the frequency range C

open access: yesResults in Physics, 2019
The selection of element for constructing a phased array antenna was carried out. It provides a relative frequency bandwidth up to 9% for the transmitting or receiving part in wireless communication system.
Lu Guoming   +2 more
doaj   +1 more source

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