Zobrazeno 1 - 10
of 4 948
pro vyhledávání: '"complex permittivity"'
Publikováno v:
Tongxin xuebao, Vol 45, Pp 183-191 (2024)
The indoor terahertz (THz) wave reflection and transmission characteristics were clarified as essential for the construction of an integrated channel model for terahertz integrated sensing and communication (ISAC). Measurement campaigns were carried
Externí odkaz:
https://doaj.org/article/c99b3b990e934f6d83aa7a6e96d97321
Publikováno v:
Sensors International, Vol 6, Iss , Pp 100300- (2025)
This paper presents a novel capacitive sensor-based device for detecting type-2 diabetes through blood analysis. The proposed methodology measures changes in the complex permittivity of red blood cells (RBCs) caused by elevated glucose levels, affect
Externí odkaz:
https://doaj.org/article/4555a20cad954bdeb8a5d4a599a2c3be
Akademický článek
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Publikováno v:
Journal of Advanced Dielectrics, Vol 14, Iss 04 (2024)
Polystyrene (PS) microspheres have the advantages of good stability, corrosion resistance and low density, which have a broad application prospect. In this paper, PS composite microspheres with 20% silver plating content were prepared by chemical pla
Externí odkaz:
https://doaj.org/article/08d39f65205148da85ae8fb8a943601d
Autor:
Gennady Linets, Anatoliy Bazhenov, Sergey Malygin, Natalia Grivennaya, Sergey Melnikov, Vladislav Goncharov
Publikováno v:
Smart Agricultural Technology, Vol 8, Iss , Pp 100503- (2024)
The aim of the research is to develop a radar method for determining the physical and chemical parameters of subsurface soil horizons, providing rapid determination of moisture and specific conductivity in the area of the plant root system. The propo
Externí odkaz:
https://doaj.org/article/3b482519f1d24f8295d9e9cf82c378d6
Autor:
E. I. Eltahir, Elfatih A. A. Elsheikh, Md. Rafiqul Islam, Aisha H. Abdalla, Mohamed Hadi Habaebi, Alhareth Zyoud, Mosab Hamdan
Publikováno v:
IEEE Access, Vol 12, Pp 79602-79612 (2024)
Sand and dust storms present significant challenges to microwave and millimeter-wave propagation, directly impacting communication systems. Despite the existence of various theoretical and analytical models for predicting dust storm attenuation, many
Externí odkaz:
https://doaj.org/article/3a74485315264dbb81d73f1875409c79
Publikováno v:
FME Transactions, Vol 52, Iss 1, Pp 68-77 (2024)
In this paper, two composites ZrB₂/Al₂O₃ and FeSiAl/Al₂O₃ were characterized using the Transmission/Reflection characterization technique. The volume contents of ZrB₂ and FeSiAl inclusions in these composites vary between 0 and 15%. The r
Externí odkaz:
https://doaj.org/article/4388b93bdb534ad3ad2290307f87c8fa
Autor:
Lourdes Farrugia, Emily Porter, Raquel C. Conceicao, Simona Di Meo, Daniela M. Godinho, Julian Bonello, Mykolas Ragulskis, Ilja Ocket, Laura Farina, Marta Cavagnaro, Azadeh Peyman
Publikováno v:
IEEE Access, Vol 12, Pp 10296-10314 (2024)
Despite the significant number of studies published on the measurements of complex permittivity of biological tissues in the last thirty years, implementing a successful measurement program for dielectric measurements can still present a challenge fo
Externí odkaz:
https://doaj.org/article/dcbfe88dab5745da9748d5504f669a76
Autor:
Yoshihiro Yamauchi, Shouhei Kidera
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 17, Pp 766-777 (2024)
This article introduces the incorporationapproach with synthetic aperture radar (SAR) and contrast source inversion (CSI) based nonlinear inverse scattering (NIS) approach for quantitative permittivity imaging for buried object under multilayered het
Externí odkaz:
https://doaj.org/article/61b9b6acc9c84a5cb2e9e419238f1a8b
Publikováno v:
Физико-химические аспекты изучения кластеров, наноструктур и наноматериалов, Iss 15, Pp 481-494 (2023)
We have analyzed the complex permittivity of a porous (10 volume % of pores) sodium-lithium niobate ceramic with the results of computer simulation. The calculation was based on the Cole–Cole formula, which took into account the presence of various
Externí odkaz:
https://doaj.org/article/da6b4629278c47fdbee1b754dc0dc65c