Results 31 to 40 of about 84,127 (307)

Dual-Band RFID Tag Antenna Based on the Hilbert-Curve Fractal for HF and UHF Applications [PDF]

, 2016
A novel single-radiator card-type tag is proposed which is constructed using a series Hilbert-curve loop and matched stub for high frequency (HF)/ultra high frequency (UHF) dual-band radio frequency identification (RFID) positioning applications.
Alibakhshikenari, Mohammad, Limiti, Ernesto, Naser-Moghadasi, Mohammad, Sadeghzadeh, Ramazan Ali, Virdee, Bal Singh   +4 more
core   +1 more source

A 2.45- and 5.8-GHz Dual-Band Stacked Differential Rectenna With High Conversion Efficiency in Low Power Density Environment

IEEE Open Journal of Antennas and Propagation, 2022
This paper proposes a novel stacked dual-band differential rectenna. The proposed rectenna consists of two rectifying diodes and a dual-band array antenna with four 5.8-GHz patch antennas arrayed on a three-element 2.45-GHz array.
Kento Saito, Eisuke Nishiyama, Ichihiko Toyoda   +2 more
doaj   +1 more source

A Low Profile, Dual-band, Dual Polarized Antenna for Indoor/Outdoor Wearable Application

IEEE Access, 2019
A planar, low-profile, dual-band and dual-polarized antenna on a semi-flex substrate is proposed in this paper. The antenna is fabricated on Rogers substrate with a thickness of 3.04 mm and sized at 70.4×76.14×3.11 mm3 (0.37λ0 ...
Kashif Nisar Paracha, Sharul Kamal Abdul Rahim, Ping Jack Soh, Muhammad Ramlee Kamarudin, Kim-Geok Tan, Yew Chiong Lo, Mohammad Tariqul Islam   +6 more
doaj   +1 more source

Dual-Band Electronically Beam-Switched Antenna Using Slot Active Frequency Selective Surface [PDF]

, 2017
—A dual-band electronically beam-switching antenna using a cylindrical active frequency selective surface (AFSS) is presented. The antenna structure consists of a slot AFSS and an omnidirectional dual-band feed antenna.
Batchelor, John C., Gao, Steven, Gu, C, Li, J, Parker, Edward A., Qin, F, Sanz-Izquierdo, Benito, Wei, G, Xu, J   +8 more
core   +1 more source

An active wearable dual-band antenna for GPS and Iridium satellite phone deployed in a rescue worker garment [PDF]

, 2013
An active wearable dual-band circularly polarized microstrip patch antenna for Global Positioning System and Iridium satellite phone applications is presented. It is constructed using flexible foam and fabric substrates, combined with copper-on-polyimide
Declercq, Frederick, Dierck, Arnaut, Rogier, Hendrik   +2 more
core   +1 more source

Design and Performance Prediction of a Dual-Band Coupled-Fed Dipole Array Antenna for PCL Systems in the VHF Band

Applied Sciences, 2020
This article proposes the design of a dual-band coupled-fed dipole antenna for passive coherent location (PCL) systems in the very high frequency (VHF) band.
Sungsik Wang, Hongsuk Shim, Hosung Choo
doaj   +1 more source

A Dual-Band Dual-Polarized Antenna with Improved Isolation Characteristics for Polarimetric SAR Applications

Applied Sciences, 2021
A dual-band dual-polarized antenna with high isolation characteristics is proposed for polarimetric synthetic aperture radar (PolSAR) applications. The antenna consists of four dipole antennas and 2 × 2 patch antenna arrays operating at the P-band (450 ...
Daesung Park, Jaehoon Choi
doaj   +1 more source

A Four-Port Dual-Band Dual-Polarized Antenna for Ku-Band Satellite Communications

Applied Sciences
This paper presents the development of a four-port dual-band dual-polarized antenna for transmitting/receiving (Tx/Rx) applications in Ku-band satellite communications.
Son Trinh-Van, Woo Yong Yang, Hyung Won Cho, Keum Cheol Hwang   +3 more
doaj   +1 more source

A Miniaturized Dual-Band Short-Ended ZOR Antenna with Backed Ground Plane for Improved Bandwidth and Radiation Efficiency

International Journal of Antennas and Propagation, 2023
This paper presents a miniaturized planar dual-band short-ended metamaterial antenna with the backed ground plane to improve antenna bandwidths and radiation characteristics.
Rajkishor Kumar, Avinash Chandra, Sreenath Reddy Thummaluru, Mohammad Monirujjaman Khan, Raghvendra Kumar Chaudhary   +4 more
doaj   +1 more source

Dual-band patch antenna with filtering performance and harmonic suppression [PDF]

, 2016
A novel design of dual-band antenna with integrated filtering performance is proposed. A low-profile aperture-coupled U-slot patch antenna is employed for dual-band operation with a uniform polarization, which is fed by a dual-mode stub-loaded resonator (
Chu, Qing Xin, Gao, Steven, Li, Jianzhou, Mao, Chun Xu, Qin, Fan, Sanz-Izquierdo, Benito, Wang, Yi, Wang, Zhengpeng, Wei, Gao, Xu, Jiadong   +9 more
core   +2 more sources