Results 241 to 250 of about 357,995 (293)

Lawnmower Poetry and the Poetry of Lawnmowers

open access: yes
Critical Quarterly, EarlyView.
Francesca Gardner
wiley   +1 more source
Some of the next articles are maybe not open access.

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Wideband Wide Scan Unit-Cell of a Connected Slot Array for SatCom Applications

European Conference on Antennas and Propagation, 2023
This work introduces an improved wideband unit-cell for a connected slot array backed by a ground plane and loaded with artificial dielectric layers (ADLs).
Mattia Maggi   +4 more
semanticscholar   +1 more source

Wideband RCS Reduction of Slot Array Antenna Utilizing 3-D Absorptive Frequency-Selective Structure

IEEE Antennas and Wireless Propagation Letters, 2022
A low radar cross-section (RCS) slot array antenna based on absorptive frequency-selective structure (AFSS) is presented in this letter. The AFSS unit cell is constructed by two lossy layers and four double-sided parallel strip lines (DSPSLs).
Y. Yu   +4 more
semanticscholar   +1 more source

A Novel Dual-Band Beam Scanning Antenna Based on slot Active Frequency-Selective Surfaces [Antenna Applications Corner]

IEEE Antennas & Propagation Magazine, 2021
A novel dual-band electronically beam scanning antenna based on a slot active frequency-selective surface (SAFSS) is proposed in this article. Each unit cell used in an SAFSS screen has two slots with four variable capacitors utilized to achieve high ...
V. Najafy, B. Abbasi Arand
semanticscholar   +1 more source

2-D Array of Cross-band Frequency Reconfigurable Slot Antenna

IEEE International Workshop on Electromagnetics: Applications and Student Innovation Competition, 2021
A two-dimensional array of frequency-reconfigurable slot antenna switching between C-band and Ku-band with a reconfigurable frequency span not less than 10 GHz is presented.
Houzhi Jiang   +4 more
semanticscholar   +1 more source

Adaptive Frequency Selective Surface with ring slot units

2007 International Symposium on Electromagnetic Compatibility, 2007
Single layer and double layer adaptive FSS with ring slot units has been investigated in this paper. Ring slot FSS acts like band-pass filter. It can be used in antenna radomes. Lumped-element devices are loaded on the periodic units. Resonant frequency of the FSS depending on the lumped-element' capacitance could shift in a specified frequency band ...
Chenggang Zhang   +2 more
openaire   +1 more source

Design of a wideband square slot bandpass frequency‐selective surface using phase range analysis

Engineering Reports, 2020
This article presents the design of a wideband bandpass frequency‐selective surface (FSS). The structure is designed using the analysis of the generalized scattering matrix (GSM)‐based transmission phase range.
Chitra Singh   +4 more
semanticscholar   +1 more source

A Cross-Dipole Shaped Patch-Slot-Patch Bandpass Frequency Selective Surface

2020 URSI Regional Conference on Radio Science ( URSI-RCRS), 2020
A patch-slot-patch frequency selective surface (FSS) exhibiting bandpass response is proposed in this paper. The FSS unit cell is composed of two cross-dipole shaped patches and a cross-dipole shaped slot in between.
Raj Ratnam   +4 more
semanticscholar   +1 more source

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