Results 131 to 140 of about 25,320 (296)
Advanced Materials Technologies, EarlyView.This review explores advances in wearable and lab‐on‐chip technologies for breast cancer detection. Covering tactile, thermal, ultrasound, microwave, electrical impedance tomography, electrochemical, microelectromechanical, and optical systems, it highlights innovations in flexible electronics, nanomaterials, and machine learning.
Neshika Wijewardhane +4 more
wiley +1 more source
The Astronomical JournalThe dielectric permittivity is a crucial parameter in planetary ground-penetrating radar (GPR) missions, such as the RIMFAX radar onboard the Mars 2020 Perseverance rover.
Jun Zhang, Long Xiao, Yuefeng Yuan
doaj +1 more source
The influence of temperature on the dielectric properties of siderite [PDF]
Acta Montanistica Slovaca, 2005 The behaviour of studied samples in electric field at microwave frequency is characterised by the real and imaginary part of the complex dielectric constant. Aknowledge of these parameters permits to predict the running of the microwave heating.
Tom Cross +4 more
doaj
Modified Rocard Relation for Complex Permittivity [PDF]
, 1980 It is shown that to a high degree of accuracy the complex permittivity for a gas dielectric or for a liquid dielectric in very dilute solution in a nonpolar solvent is given theoretically for symmetric polar molecules by the modification of a relation ...
McConnell, J.
core
Additively Manufactured Porous Ceramics as Tunable Dielectrics for Passive Temperature Sensing
Advanced Materials Technologies, EarlyView.Porous ceramic lattices, 3D‐printed from a multicomponent oxide ink, are integrated with LC resonators for passive wireless temperature sensing. By tuning porosity, the dielectric properties and RF response are engineered to produce distinct resonant frequency shifts with temperature. The results establish a structure‐driven approach to customizing the
Sogol Heidarishahrivar +5 more
wiley +1 more source
Layered Slab Parameters Identification Using Movable Metal-Backing Method
In the paper the new approach of movable metal–backing method for layered slab’s complex dielectric permittivity and thickness estimation is suggested.
Semeņako, Jānis +2 more
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Microwave Techniques for Measuring Complex Permittivity and Permeability of Materials
, 1994 A review of microwave techniques for measuring both complex permittivity and complex permeability of materials is given. It includes both resonant and reflection transmission methods for which limitations are discussed.
P. Guillon
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Recent Advances of Slip Sensors for Smart Robotics
Advanced Materials Technologies, EarlyView.This review summarizes recent progress in robotic slip sensors across mechanical, electrical, thermal, optical, magnetic, and acoustic mechanisms, offering a comprehensive reference for the selection of slip sensors in robotic applications. In addition, current challenges and emerging trends are identified to advance the development of robust, adaptive,
Xingyu Zhang +8 more
wiley +1 more source
Simple non-invasive measurement of complex permittivity
, 1993 A simple non-invasive sensor measures complex permittivity at microwave (UHF) frequencies from changes in resonance frequency and reflection coefficient.
Johnson, RB +4 more
core +1 more source
Advanced Materials Technologies, EarlyView.A MEMS‐integrated metamaterial filter enables continuous, low‐voltage spectral tuning in the long‐wavelength infrared (LWIR). The device employs extraordinary optical transmission in a dual suspended metasurface stack, where electrostatic actuation precisely controls the intermembrane air gap.
Oleg Bannik +6 more
wiley +1 more source