Results 81 to 90 of about 2,282,353 (338)

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 ...
Lera Acedo, Eloy de, Segovia Vargas, Daniel, Vázquez Roy, José Luis, Maaskant, Rob, García, Enrique, González Posadas, Vicente   +5 more
core   +1 more source

Calculation of optimal values of weight coefficients for compensation of the mutual coupling of antenna array elements

Физика волновых процессов и радиотехнические системы
Background. Antenna arrays are widely used in a variety of modern radio engineering systems for wireless communication and radar. The phenomenon of mutual coupling of antenna elements, which is manifested in practical implementation, may cause noticeable
Anatoly M. Bobreshov, Alexander A. Kononov, Olga V. Neskorodova, Ksenia V. Smuseva, Grigory K. Uskov   +4 more
doaj   +1 more source

Radiation Efficiency Improvement Method for Multifeed Circular Polarization Antenna Array with Mutual Coupling Effect

International Journal of Antennas and Propagation, 2014
In the circular polarization antenna array, the input impedance, axial ratio, and radiation pattern of antenna patch will be changed. Compared with the performances of single antenna, the mutual coupling also led to the low efficiency of all antennas.
Zijian Xing, Ling Wang, Jianying Li, Kun Wei   +3 more
doaj   +1 more source

Two port high gain and low mutual coupling dielectric resonator based array antenna for 5G mm-wave applications

Physica Scripta
In this communication, a two-port ceramic based array radiator at mm-wave frequency range is structured and analysed. 3-dB power divider based microstrip feed line is utilised to excite the rectangular aperture.
Sikandar, K. P. Dutta, G. Tomar, Himanshu Katiyar, Anand Sharma   +4 more
semanticscholar   +1 more source

Breaking Optical Transparency and Electromagnetic Performance Trade‐Offs for Transparent Reflective Metasurfaces

Advanced Optical Materials, EarlyView.
A theory‐guided magnetoelectric metasurface design breaks the conventional optical transparency and electromagnetic performance trade‐offs. By preserving the electric and magnetic current paths required for efficient reflection through fine‐metal‐line structure, the developed transparent reflective metasurface achieves high optical transparency without
Mina Feizi, Shu‐Lin Chen, Geng‐Bo Wu, Li‐Zhao Song, Pei‐Yuan Qin, Y. Jay Guo   +5 more
wiley   +1 more source

Penggunaan S-Shaped Defected Ground Structure untuk Mereduksi Mutual Coupling pada Antenna Array Microstrip [PDF]

, 2022
Dengan berkembangnya ilmu pengetahuan tentang telekomunikasi, 5G telah membuat banyak peneliti tertarik. Pita 26 GHz merupakan salah satu pita yang digunakan sebagai frekuensi gelombang milimeter untuk sinyal 5G.
Narendra, Abirama Dhesta
core  

Micromachined Double‐Membrane Mechanically Tunable Metamaterial for Thermal Infrared Filtering

Advanced Photonics Research, Volume 6, Issue 5, May 2025.
Herein, a mechanically tunable double‐layer plasmonic metamaterial leveraging the extraordinary optical transmission effect observed in subwavelength arrays of openings within thin metal layers is presented. The concept is experimentally validated by integrating the proposed metamaterial structure into an electrostatic parallel‐plate actuator to create
Oleg Bannik, Fedor Kovalev, Mingkai Liu, Michal Zawierta, Dilusha Silva, Lorenzo Faraone, Mariusz Martyniuk, Ilya Shadrivov   +7 more
wiley   +1 more source

A new multipath mitigation method for GNSS receivers based on antenna array [PDF]

, 2012
the potential of small antenna array for multipath mitigation in GNSS systems is considered in this paper. To discriminate the different incoming signals (Line of sight and multipaths), a new implementation of the well known SAGE algorithm is proposed ...
Rougerie, Sébastien, Carrie, Guillaume, Monnerat, Michel, Ries, Lionel, Vincent, François   +4 more
core   +1 more source

Soft Actuators Integrated with Control and Power Units: Approaching Wireless Autonomous Soft Robots

Advanced Robotics Research, EarlyView.
Soft robots exhibit significant development potential in various applications. However, there are still key technical challenges regarding material improvement, structure design and components integration. This review focuses on the development and challenge of soft actuators, power components, and control components in untethered intelligent soft ...
Renwu Shi, Feifei Pan, Xiaobin Ji
wiley   +1 more source

Waveguide Photoactuators: Materials, Fabrication, and Applications

Advanced Robotics Research, EarlyView.
Waveguide photoactuators convert guided light into mechanical motion. Their tethered‐flexible design enables minimally invasive surgery and confined‐space robotics. This review aims to guide materials selection, device design, and system integration, accelerating the transition of waveguide photoactuators from laboratory prototypes to versatile ...
Minjie Xi, Hemin Pan, Yang Zong, Yongfeng Mei, Jizhai Cui   +4 more
wiley   +1 more source