Zobrazeno 1 - 10
of 226
pro vyhledávání: '"Anna Pietrenko-Dabrowska"'
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-21 (2024)
Abstract In modern times, antenna design has become more demanding than ever. The escalating requirements for performance and functionality drive the development of intricately structured antennas, where parameters must be meticulously adjusted to ac
Externí odkaz:
https://doaj.org/article/0e253d361ab84ba0bf95a7ca02c1a58b
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-19 (2024)
Abstract Achieving compact size has emerged as a key consideration in modern microwave design. While structural miniaturization can be accomplished through judicious circuit architecture selection, precise parameter tuning is equally vital to minimiz
Externí odkaz:
https://doaj.org/article/f7ba5fff4f374d4cb84a996f5f95da38
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-19 (2024)
Abstract Behavioral models have garnered significant interest in the realm of high-frequency electronics. Their primary function is to substitute costly computational tools, notably electromagnetic (EM) analysis, for repetitive evaluations of the str
Externí odkaz:
https://doaj.org/article/671fcd7b018c404da2a181531b5f6994
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-20 (2024)
Abstract The incorporation of higher-order modes (HOMs) can substantially augment the antenna gain and bandwidth, but this improvement is typically accompanied by compromised radiation performance including radiation nulls and higher side lobe levels
Externí odkaz:
https://doaj.org/article/9090ba7fb1d44261a3c1c682375f0b2d
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-17 (2024)
Abstract This study proposes an innovative geometry of a microstrip sensor for high-resolution microwave imaging (MWI). The main intended application of the sensor is early detection of breast, lung, and brain cancer. The proposed design consists of
Externí odkaz:
https://doaj.org/article/d806d91030204c0380cf13f54363f46b
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-12 (2024)
Abstract In this paper, a novel negative refractive index metamaterial (NIM) is developed and characterized. The proposed metamaterial exhibits negative effective permittivity (ε effe ) and negative effective permeability (µ effe ) at millimeter wa
Externí odkaz:
https://doaj.org/article/f53d3ae8a5424914a687496d51c5698a
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-14 (2024)
Abstract This paper proposes a numerically and experimentally validated printed wideband antenna with a planar geometry for Internet of Things (IoT) applications. This design tackles the challenges associated with deploying IoT sensors in remote area
Externí odkaz:
https://doaj.org/article/6e51ab639afe41f4a45f73c2612af69f
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-18 (2024)
Abstract Utilization of optimization technique is a must in the design of contemporary antenna systems. Often, global search methods are necessary, which are associated with high computational costs when conducted at the level of full-wave electromag
Externí odkaz:
https://doaj.org/article/023fb1307859449ea6cc01b88354a717
Publikováno v:
Engineering Science and Technology, an International Journal, Vol 57, Iss , Pp 101819- (2024)
This paper presents a planar multiple-input-multiple-output (MIMO) antenna with dual circular polarization (CP) and a simple geometry for millimetre-wave band. The proposed design is featuring a fully grounded coplanar waveguide (CPW) and a systemati
Externí odkaz:
https://doaj.org/article/a97f068f654a449c8e553d37cb6b7859
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-16 (2024)
Abstract Geometry scaling of microwave circuits is an essential but challenging task. In particular, the employment of a given passive structure in a different application area often requires re-adjustment of the operating frequencies/bands while mai
Externí odkaz:
https://doaj.org/article/de24059da2714207a273130e293b9ecd