Results 41 to 50 of about 288,050 (300)
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
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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
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Observer‐Based Adaptive Event‐Triggered Tracking Control for Fuzzy TS Systems With Premise Mismatch
International Journal of Adaptive Control and Signal Processing, EarlyView.This paper presents an adaptive logistic event‐triggered observer‐based tracking controller for Takagi‐Sugeno fuzzy systems under constrained inputs and network delays. Leveraging a hybrid LMI and Secretary Bird Optimization approach, this strategy significantly minimizes communication overhead and computational burden while ensuring optimal reference ...
Oussama Djadane +3 more
wiley +1 more source
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
IEEE Access, 2023 In this article, a multiport beamforming system based on the reconfigurable waveguide phased antenna array is presented, which is fed by the microstrip single-layer multiport feeding network.
Yifang Wei +2 more
doaj +1 more source
Compressive Reflector Antenna Phased Array
, 2017 Conventional phased array imaging systems seek to reconstruct a target in the imaging domain by employing many transmitting and receiving antenna elements.
A. Molaei +2 more
semanticscholar +1 more source
Advanced Engineering Materials, EarlyView.A flexure‐based variable stiffness structure is developed by integrating phase‐change modulation and adhesive interfacial locking of gallium. The design enables a wide stiffness variability, transitioning from soft, flexible behavior to rigid, load‐supporting performance.
Sungjin Kim +2 more
wiley +1 more source
Current Sheet Antenna Array and 5G: Challenges, Recent Trends, Developments, and Future Directions
Sensors, 2022 Designing an ultra-wideband array antenna for fifth generation (5G) is challenging for the antenna designing community because of the highly fragmented electromagnetic spectrum.
Sajjad Hussain +6 more
doaj +1 more source
Advanced Engineering Materials, EarlyView.Low‐temperature imidization of PEG‐modified polyimide enables fully screen‐printed, roll‐to‐roll fabrication of flexible electrodes on PET substrates, delivering robust mechanical durability and reliable ECG/EMG signal performance for wearable electronics.
Akib Abdullah Khan, Jong‐Hoon Kim
wiley +1 more source