Zobrazeno 1 - 10
of 473
pro vyhledávání: '"Sungjoon Lim"'
Publikováno v:
Microsystems & Nanoengineering, Vol 10, Iss 1, Pp 1-8 (2024)
Abstract Polarization conversion and beam scanning metasurfaces are commonly used to reduce polarization mismatch and direct electromagnetic waves in a specific direction to improve the strength of a wireless signal. However, identifying suitable act
Externí odkaz:
https://doaj.org/article/a50dab3667e94e3da7b6b70d6e791cba
Publikováno v:
Virtual and Physical Prototyping, Vol 19, Iss 1 (2024)
ABSTRACTA metamaterial can be used for fabricating an electromagnetic absorber by tailoring its effective permittivity and permeability. In general, a metamaterial absorber works at a specific resonant frequency, and its absorption frequency does not
Externí odkaz:
https://doaj.org/article/f2c8edfd43cd4ca79d49009dba52db26
Publikováno v:
Fractal and Fractional, Vol 8, Iss 5, p 284 (2024)
In stealth applications, there is a growing emphasis on the development of radar-absorbing structures that are efficient, flexible, and optically transparent. This study proposes a screen-printed metamaterial absorber (MMA) on polyethylene terephthal
Externí odkaz:
https://doaj.org/article/b71df938de1a4af38b7ea2a140c6ad39
Publikováno v:
Fractal and Fractional, Vol 8, Iss 3, p 153 (2024)
In this paper, we propose an optically transparent dual-band metamaterial absorber (MMA) that uses Ag nanowire screen-printed fractal structures. The proposed MMA exhibits near-perfect absorption in the C- and K-bands. This dual-band absorption prope
Externí odkaz:
https://doaj.org/article/2f0fd9d6d1bb417a9b1c4bd5129cd2d8
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-7 (2022)
Abstract Spiral inductors are required to realise high inductance in radio frequency (RF) circuits. Although their fabrication by using micro-electrical–mechanical systems, thin films, actuators, etc., has received considerable research attention,
Externí odkaz:
https://doaj.org/article/7f9d41eb60b34fc2910b3746481c5a01
Publikováno v:
Fractal and Fractional, Vol 7, Iss 12, p 841 (2023)
A sinuous antenna is a frequency-independent antenna known for its wide bandwidth and consistent gain, which makes it valuable in broadband applications such as ultrawideband (UWB) radar and ground-penetrating radar (GPR). However, sinuous antennas t
Externí odkaz:
https://doaj.org/article/74e18a4abec5479c9862d4b302f55656
Publikováno v:
Micromachines, Vol 14, Iss 11, p 2052 (2023)
In this study, a novel microfluidic frequency reconfigurable and optically transparent water antenna is designed using three-dimensional (3D) printing technology. The proposed antenna consists of three distinct parts, including a circularly shaped di
Externí odkaz:
https://doaj.org/article/8f27a9910f9c40daa5c287c2f3584dc2
Publikováno v:
Clinics in Shoulder and Elbow, Vol 25, Iss 2, Pp 154-157 (2022)
Periprosthetic joint infection (PJI) is one of the most devastating complications that can occur after shoulder arthroplasty. Although staged revision arthroplasty is the standard treatment in many cases, surgical intervention with debridement, antib
Externí odkaz:
https://doaj.org/article/5bf6cd5c900445beb74c6402835e591f
Autor:
Aqeel Hussain Naqvi, Sungjoon Lim
Publikováno v:
Microsystems & Nanoengineering, Vol 8, Iss 1, Pp 1-9 (2022)
Abstract The development of multifunctional and reconfigurable metasurfaces capable of manipulating electromagnetic waves has created new opportunities for various exciting applications. Extensive efforts have been applied to exploiting active metasu
Externí odkaz:
https://doaj.org/article/5a2f103092e3431c94262e09c2502808
Mechatronic Reconfigurable Intelligent‐Surface‐Driven Indoor Fifth‐Generation Wireless Communication
Publikováno v:
Advanced Intelligent Systems, Vol 4, Iss 12, Pp n/a-n/a (2022)
Reconfigurable intelligent surface‐assisted wireless networks have been proposed to overcome the current technical issues in fifth‐generation (5G) wireless communication systems. Generally, the beam control functions of a reconfigurable intellige
Externí odkaz:
https://doaj.org/article/a2ce93a78e944af3b75b8d4694724bb4