Results 101 to 110 of about 624,104 (285)

Planar UWB Antenna with Notched Bands

Известия высших учебных заведений России: Радиоэлектроника, 2016
The ultra-wideband (UWB) monopole antennas are designed to provide the impedance band-width of the wideband response from 2.5 to 12 GHz. To achieve single-, dual-, or triple-band notched characteristics at desirable frequencies, the electric ring ...
A. S. Rusakov
doaj  

A Tightly Coupled Ultra-Wideband Antenna Array With Wide-Angle Scanning Capability Based on a Novel Interdigital Structure

International Journal of Antennas and Propagation
To address the urgent demands of modern electronic countermeasure systems for antennas with ultra-wideband performance, high gain, and wide-angle scanning capability, this paper proposes a novel dual-polarized wideband antenna structure.
Qingchao Guo, Da Ran, Ying Yuan, Leisong Wang, Shuqi Jing, Liming Xu, Tianliang Zhang   +6 more
doaj   +1 more source

Comparison of two planar elliptical ultra-wideband PPy conductive polymer antennas

, 2012
Conductive polymers are a new type of conductive materials that are attractive for application in flexible, and possibly reconfigurable antennas. Two planar elliptical ultra-wideband antennas based on conductive polymers are manufactured.
Kaufmann, T., Al-Sarawi, S., Christophe Fumeaux, Truong, V., Said F. Al-Sarawi, Van-Tan Truong, Fumeaux, C., Thomas Kaufmann, Akhilesh Verma, Verma, A.   +9 more
core   +1 more source

Twin‐Lever Multifunctional Meta‐Optics With High Longitudinal Tolerance

Advanced Science, EarlyView.
We introduce a single‐layer, CMOS‐compatible metasurface that allows for polarization‐programmable, achromatic broadband dual‐mode imaging with high longitudinal tolerance. The twin‐lever design combines bright‐field focusing and vortex‐based edge‐enhanced imaging while managing axial intensity distribution from 488 to 633 nm.
Isma Javed, Kyungtae Kim, Aqib Raza Shah, Dohyun Kang, Joohoon Kim, Azhar Javed Satti, Xuefeng Liu, Muhammad Zubair, Jichuan Xiong, Muhammad Qasim Mehmood, Junsuk Rho   +10 more
wiley   +1 more source

TECTB Variants Reveal Tectorial Membrane Vulnerability in Dominant Non‐Syndromic Hearing Loss

Advanced Science, EarlyView.
TECTB is a non‐collagenous protein of the tectorial membrane – an extracellular matrix of the cochlea. This study identifies dominant missense variants in TECTB linked to human hereditary deafness in two unrelated families. Genetically engineered mice homozygous for one of the variants are profoundly deaf, whereas heterozygous mice have normal hearing ...
Evan B. Hale, Barbara Vona, Richard J. Goodyear, Richard T. Osgood, Jun Shen, Sami S. Amr, Karen Mojica, Michaela A. H. Hofrichter, Jörg Schröder, Sophie Flandin, Paul Gratias, Ricardo Vera‐Monroy, Katherine Callahan, Kerry L. Gudlewski, Rolen Quadros, Masato Ohtsuka, JoAnn McGee, Edward J. Walsh, Cynthia C. Morton, Thomas Haaf, Channabasavaiah Gurumurthy, James E. Saunders, Guy P. Richardson, Artur A. Indzhykulian   +23 more
wiley   +1 more source

Electrically Tunable Graphene‐Metal Hybrid Metasurfaces for High‐Efficiency, Broadband Mid‐Infrared Transmission Modulation

Advanced Science, EarlyView.
A graphene‐metal hybrid transmissive metasurface enables electrically tunable mid‐infrared transmission modulation through ionic gel top gating. By combining graphene with a metallic slit metasurface, high modulation efficiency and broadband operation are achieved simultaneously, demonstrating efficient electrical control of mid‐infrared transmission ...
Heonhak Ha, Jinseok Kong, Junhyung Kim, Jiwon Kang, Min Seok Jang   +4 more
wiley   +1 more source

Unlocking Long‐Lived Charge‐Separated State in Pentamethine Cyanine Based on Anionic Hofmeister Effect for Photodynamic Immunotherapy

Advanced Science, EarlyView.
Based on the anionic Hofmeister effect, a universal strategy of incorporation of stereo‐π anion BPh4− into a series of Cy5 skeletons to unlock long‐lived charge‐separated states was reported, wherein the weak electronic coupling and low charge recombination driving force hinder the charge recombination process, elevating the oxygen‐independent ROS ...
Xuan Zhao, Lei Jiang, Yingyong Ni, Ting Wang, Junjun Wang, Shengyu Shi, Jianhua Yu, Zhou Lu, Xiaojiao Zhu, Hongping Zhou   +9 more
wiley   +1 more source

Dual Patch Microstrip Fed Antenna with Wide Bandwidth [PDF]

, 2009
Planar inverted F antennas (PIFA) and micro-strip antennas are widely used in wireless devices as they can easily be integrated or hidden within wireless terminals.
Low, Lester, Heaton, Rob, Chen, Nongji, Batchelor, John C.   +3 more
core  

Cross‐scale Material‐Structure Synergy for 2D Metamaterials: Toward Customizable Intelligent Electromagnetic Manipulation in Multiphysics Fields

Advanced Science, EarlyView.
Recent advances in metasurface‐enabled low‐observable technologies are reviewed from the perspective of cross‐scale material–structure synergy. Electromagnetic, thermal, optical, and acoustic stealth are highlighted together with dynamic tuning, programmable coding, data‐driven inverse design, artificial intelligence, multispectral compatibility, and ...
Shuhao Wang, Xing Yang, Liping Liu, Yang Peng, Yangyang Wang, Hualiang Lv   +5 more
wiley   +1 more source