Results 41 to 50 of about 10,033,418 (302)

Novel 4‐bit second‐order multifunction frequency selective surface

IET Microwaves, Antennas & Propagation, 2021
An innovative four‐bit second order multifunction active frequency selective structure controlled via four PIN diodes with nine different combinations is introduced . The proposed design is equipped with electromagnetic switching, frequency switching and
Gulab Shah, Qunsheng Cao, Muhammad Azeem, Zain Ul Abidin   +3 more
doaj   +1 more source

An error bound analysis for M-DPSK in frequency-selective Rayleigh fading channel with diversity reception [PDF]

, 1994
A theoretical upper bound is presented to calculate the error probability for raised cosine filtered M-ary differential phase-shift keying (RC M-DPSK) in frequency-selective Rayleigh fading channels.
Nix, AR, Chow, YC, McGeehan, JP
core   +1 more source

Frequency Selective Surface With Two Quasi-Independent Notch Frequencies

IEEE Access, 2019
A double-layer frequency selective surface (FSS) built on FR4 substrate exhibiting two notch frequencies in the 0-10-GHz range is introduced. Recently published examples demonstrate that further research needs to be undergone for obtaining separate ...
Ladislau Matekovits, Aldo De Sabata, Alndrei-Marius Silaghi   +2 more
doaj   +1 more source

A frequency selective surface loaded two-layer composite for tunable microwave absorption

Materials Research Express, 2022
To obtain tunable microwave absorption, a strategy of constructing a frequency selective surface (FSS) on a two-layer composite is proposed. The designed FSS loaded two-layer composite is composed of a FSS constructed by evenly spaced circular copper ...
Yiming Zhao, Qichao Wang, Yungang Sun, Shanyong Xuan, Minghang Li   +4 more
doaj   +1 more source

Bone and Soft Tissue Neoplasms in Infants Versus Older Children: A Report From the Cancer in Young People in Canada Program

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Background and Aims Infant bone and soft tissue neoplasms present distinct clinical challenges and lack large‐scale data to inform treatment decisions. This study aims to characterize bone and soft tissue neoplasms in infants in Canada and to compare their outcomes with those of older pediatric patients.
Samuel Sassine, Hallie Coltin, Maria Kondyli, Monia Marzouki, Nicolas Prud'homme, Nida Usmani, Rebecca J. Deyell, Lesleigh Abbott, Tony H. Truong, Sapna Oberoi, Ketan Kulkarni, Josée Brossard, Lynette Bowes, Paul Gibson, Sarah McKillop, Roona Sinha, Lillian Sung, Catherine Vezina, Laura Wheaton, Alexandra P. Zorzi, Marie‐Claude Pelland‐Marcotte, Thai Hoa Tran   +21 more
wiley   +1 more source

A Novel Fractal Multi-band Frequency Selective Surface

Journal of Microwaves, Optoelectronics and Electromagnetic Applications
In this paper, a new multiband fractal frequency selective surface (MF-FSS) is proposed. The work presents a new fractal design methodology for FSSs with Swastika fractal patch elements.
Mahmoud Fallah, Amir Hossein Nazeri, Mohammad Reza Azadkhah   +2 more
doaj   +1 more source

Absorptive/Transmissive Frequency Selective Surface With Wide Absorption Band

IEEE Access, 2019
An absorptive/transmissive frequency selective surface (ATFSS) with absorption bands at both sides of a passband is presented. Equivalent circuits of the ATFSS that consists of a lossy frequency selective surface (FSS) and a lossless FSS were modeled. To
Qingxin Guo, Jianxun Su, Zengrui Li, Lamar Y. Yang, Jiming Song   +4 more
doaj   +1 more source

Dual-Band Tunable Screen using Complementary Split Ring Resonators [PDF]

, 2010
Active frequency selective surfaces (FSS) based on slot-form split ring resonators are described. Switching and tuning have been achieved using two different biasing circuit configurations.
Parker, Edward A., Sanz-Izquierdo, Benito, B Sanz-Izquierdo, Batchelor, John C., E A Parker, J C Batchelor   +5 more
core   +1 more source

Lorlatinib‐Containing Therapy for MYCN‐Amplified, ALK‐Mutated Neuroblastoma With Bulky Leptomeningeal Relapse: A Case Report

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Central nervous system (CNS) relapse of neuroblastoma carries a poor prognosis, and craniospinal irradiation (CSI) poses substantial long‐term toxicity in young children. We report a toddler with MYCN‐amplified neuroblastoma harboring somatic ALK R1275Q who developed extensive leptomeningeal relapse with paraplegia.
Jinwoo Kim, Minji Kim, Nani Jung, Sung Eun Kim, Ji Yoon Kim, Mi Ae Chu, Jung Eun Kwon, Yeo Hyang Kim, So Mi Lee, Ki‐Su Park, Jeong Eun Lee, Ye Jee Shim   +11 more
wiley   +1 more source

Inductive Frequency Selective Surface: An Application for Dichroic Sub-Reflectors

IEEE Access, 2020
An Inductive Frequency Selective Surface (IFSS) self-standing dichroic sub-reflector is presented, which allows the transmission of two frequency bands and reflection of a third band. The operating frequency of the sub-reflector is designed to work at Ku,
Juan A. Vasquez-Peralvo, Jose-Manuel Fernandez-Gonzalez, Pavel Valtr, Jonathan M. Rigelsford   +3 more
doaj   +1 more source