Results 31 to 40 of about 132 (115)
An Active Beam‐Reconfigurable Retrodirective Array
Nanophotonics, Volume 15, Issue 13, 13 July 2026.The proposed beam‐reconfigurable retrodirective array not only enables retroreflection toward the signal source but also achieves flexible beam steering via a tunable reflection plate, offering a viable solution for real‐time multipoint communication and multitarget wireless power transfer.
Wen Yue Wei +5 more
wiley +1 more source
Neural Network–Assisted Metasurface Retroreflector With Wide‐Angle Adaptivity
Electron, Volume 4, Issue 2, May 2026.This work proposes a wide‐angle, multi‐polarization, self‐sensing, and self‐adaptive intelligent metasurface retroreflector, with a planar profile and ultrathin thickness. By integrating a pre‐trained artificial neural network (ANN), the metasurface retroreflector can recognize the incident angle and promptly adapt to changes in the incoming wave.
Jing Ning +7 more
wiley +1 more source
Maxwell Fisheye Lens Based Retrodirective Array [PDF]
Scientific Reports, 2019 AbstractA Maxwell fisheye lens using parallel plate index grading is presented in this study to develop a passive retrodirective antenna array. As a proof-of-concept a design frequency of 10 GHz was selected for fabrication and experiment. The design principals of the lens are discussed, which enables 85% energy flow at the drain probe (also referred ...
Abbasi, Muhammad Ali Babar +1 more
openaire +4 more sources
Electronics Letters, Volume 62, Issue 1, January/December 2026.This letter proposes a reference‐value‐based non‐retrodirective cross‐eye jamming method using monitor probes for size‐constrained platforms. The proposed approach uses reference values to compensate for mismatch and improve practical implementation in compact jammer systems.
Hong‐Kyun Ryu, Jung‐Hoon Lee
wiley +1 more source
Bow-tie retrodirective rectenna
Electronics Letters, 2006 A novel bow-tie retrodirective rectenna designed at 5.8 GHz is proposed. The new retrodirective rectenna combines a traditional rectenna with a retrodirective array. The new retrodirective rectenna array can automatically steer its main beam towards the power source and hence is not sensitive to the power incident angle changes.
Y.-J. Ren, K. Chang
openaire +1 more source
Experimental Simulation of Retrodirective Cross-Eye Jamming [PDF]
IEEE Transactions on Aerospace and Electronic Systems, 2011 Experimental measurements that accurately simulate the effect of a retrodirective cross-eye jammer on a monopulse radar are described. The accuracy of a recently published extended analysis of retrodirective cross-eye jamming and the limitations of the conventional phase-front analysis of cross-eye jamming are illustrated by the experiments.
W. P. duPlessis +2 more
openaire +1 more source
A Tri‐Functional Active Reconfigurable Retrodirective Array
IET Microwaves, Antennas &Propagation, Volume 20, Issue 1, January/December 2026.This paper presents a broadband active reconfigurable retrodirective array system operating from 6.4 to 11.2 GHz, which integrates a filtering magneto‐electric dipole antenna with inherent out‐of‐band suppression and a function‐switching network to support three modes: absorption, active retrodirective array and active phased array.
Xiang Wang +4 more
wiley +1 more source
Development of Frequency Modulated Array Antennas for Millimeter‐Wave Communications
Wireless Communications and Mobile Computing, Volume 2019, Issue 1, 2019., 2019 With the massive growth of wireless data in mobile broadband communications, millimeter‐wave (mm‐wave) communication is an alternative enabling technique for fifth generation (5G) wireless communication systems. More importantly, mm‐wave offers large frequency spectrum bands ranging from 30GHz to 300GHz that can be utilized to provide very high ...
Shaddrack Yaw Nusenu, Daniele Pinchera
wiley +1 more source
Retrodirective antenna array for circularly polarized wireless power transmission
, 2017 In this paper, a retrodirective antenna (RDA) array for wireless power transmission (WPT) is presented. Applications include the charging of mobile device batteries wirelessly.
Samuel Rotenberg +9 more
core +1 more source
Tolerance Analysis and Robustness of Phase Conjugating Cross‐Eye Jamming
IET Radar, Sonar &Navigation, Volume 19, Issue 1, January/December 2025.This study explores phase‐conjugating (PC) arrays as a robust alternative to Van Atta (VA) arrays for cross‐eye jamming, a radar countermeasure in electronic warfare, developing an analytical framework validated by simulations. It demonstrates PC arrays' superior tolerance to phase errors and lower minimum JSR requirement against skin return.
Vittorio Calligaris +1 more
wiley +1 more source