Results 31 to 40 of about 18,440 (296)
Magneto-Electric Dipole Antenna Arrays [PDF]
, 2014 A planar magneto-electric (ME) dipole antenna array is proposed and demonstrated by both full-wave analysis and experiments. The proposed structure leverages the infinite wavelength propagation characteristic of composite right/left-handed (CRLH ...
Caloz, Christophe +2 more
core +3 more sources
Quadcopter active phased antenna array
Procedia Computer Science, 2021 Abstract Group use of unmanned aerial vehicles (UAVs) for various purposes allows obtaining many of advantages in various tasks solvation. New advantages of UAVs group use are due the difficulty of separate observation of the group members and, accordingly, the difficulties of tracking and target distribution; the inability to serve the entire large ...
D.A. Milyakov +3 more
openaire +1 more source
Microwave phased array for aerological radar [PDF]
ITM Web of Conferences, 2019 The use of radars with phased antenna arrays in aerological atmospheric sounding systems significantly increases the technical characteristics of the radio channel, ensures reliable auto-tracking in the near zone at high angular velocities of the ...
Shabunin Sergey +3 more
doaj +1 more source
Wi-Fi Access Point Design Concept Targeting Indoor Positioning for Smartphones and IoT
Sensors, 2022 Indoor positioning systems (IPS) have been regarded as essential for many applications, particularly for smartphones, during the past decade. With the internet of things (IoT), and especially device-to-device (D2D) cases, the client is supposed to have a
Mohamed S. El-Gendy +2 more
doaj +1 more source
A Comparison of Laser and Microwave Approaches to CW Beamed Energy Launch [PDF]
, 2006 One approach to beamed energy propulsion uses a solid heat exchanger to absorb energy from a distant source and transfer it to a working fluid. Systems of this type can be designed using either microwave or laser sources.
Kare, Jordin T., Parkin, Kevin L. G.
core +1 more source
Study and Design of a Diferentially Fed Tapered Slot Antenna Array [PDF]
, 2010 The results of a parametric study and design of an ultrawideband dual-polarized array of differentially-fed tapered slot antenna elements are presented. We examine arrays of bunny-ear antennas and discuss the capabilities and limitations of differential ...
García, Enrique +5 more
core +2 more sources
Analysis of the influence of radiators basing errors in the monopulse phased array antenna aperture on its characteristics [PDF]
ITM Web of Conferences, 2019 The influence of radiators basing errors in the flat monopulse phased array antenna with spatial excitation on the beam forming accuracy is researched.
Rusov Yury
doaj +1 more source
Applied SciencesNew configurations of 2-D phased arrays are proposed in this paper for reducing the number of phase shifters. This design methodology is based on the use of a novel coherently radiating periodic structures (CORPSs) block for 2-D phased arrays.
Gilberto Calvillo +4 more
doaj +1 more source
60 GHz compact broadband antenna arrays with wide-angle beam steering
The Journal of Engineering, 2019 Highly integrated multilayered printed circuit board-based patch antenna arrays are proposed in this study for 60 GHz wireless communications. Electromagnetic coupling between two stacked patches is used to achieve
Imran Aziz +6 more
doaj +1 more source
Electronics Letters, 2023 In this letter, an analytical method for the beampattern synthesis of symmetric nonuniform array is proposed. This method consists of two steps. In the first step, it acquires a real symmetric excitation by the convex optimization method to attain a ...
Fei Shi, Mengkai Hu, Xiuquan Dou
doaj +1 more source