Results 51 to 60 of about 59,565 (296)
Advanced Functional Materials, EarlyView.Intelligent radiative cooling devices, adaptable to various weather conditions, have the potential for year‐round energy savings. This study introduces a sustainable dual‐mode film made from polycaprolactone nanofibers and upcycled chip bags for effective thermal management.
Qimeng Song +4 more
wiley +1 more source
3.3 GHz microstip antenna design and analysis for different feeding methods
Sakarya Üniversitesi Fen Bilimleri Enstitüsü Dergisi, 2013 This work presents design of microstrip patch antenna for operation at 3.3 GHz using five basic feeding techniques. The antenna was intended for use next generation wireless application such as WiMax.
Haydar Kütük +2 more
doaj +1 more source
Comprehensive design and propagation study of a compact dual band antenna for healthcare applications [PDF]
, 2015 In this paper, a dual band planar inverted F antenna (PIFA) has been investigated for cooperative on- and off-body communications. Free space and on-body performance parameters like return loss, bandwidth, radiation pattern and efficiency of this antenna
Abbasi, Qammer H. +2 more
core +2 more sources
, 2010 This chapter reviewed the various designs of the UWB antennas as well as the conventional frequency independent antennas and the methods to notch some frequency bands for avoiding interfering with other existing wireless communication systems after introducing the history, advantages, disadvantages and applications of the UWB. The introduced structures
openaire +2 more sources
Advanced Functional Materials, EarlyView.This study presents novel anti‐counterfeiting tags with multilevel security features that utilize additional disguise features. They combine luminescent nanosized Ln‐MOFs with conductive polymers to multifunctional mixed‐matrix membranes and powder composites. The materials exhibit visible/NIR emission and matrix‐based conductivity even as black bodies.
Moritz Maxeiner +9 more
wiley +1 more source
IEEE Access, 2018 This paper presents a microstrip antenna-based sensor for detecting salt and sugar in water. The patch antenna is low-cost and low-profile and is modeled to transmit and receive an electromagnetic signal.
Mohammad Tariqul Islam +3 more
doaj +1 more source
Wideband-Narrowband Switchable Tapered Slot Antenna for Breast Cancer Diagnosis and Treatment
Applied Sciences, 2021 In this paper, a wideband-narrowband switchable tapered slot antenna (TSA) with a compact meander line resonator for an integrated microwave imaging and hyperthermia system was proposed.
Seonho Lim, Young Joong Yoon
doaj +1 more source
Advanced Functional Materials, EarlyView.This study investigates H4TBAPy‐based metal–organic frameworks (MOFs) ‐ NU‐1000, NU‐901, SrTBAPy, and BaTBAPy ‐ for multiphoton absorption (MPA) performance. It observes topology‐dependent variations in the 2PA cross‐section, with BaTBAPy exhibiting the highest activity.
Simon N. Deger +10 more
wiley +1 more source
A Novel Planar Fractal Antenna with CPW-Feed for Multiband applications [PDF]
, 2013 In this paper, a multiband antenna using a novel fractal design is presented. The antenna structure is formed by inscribing a hexagonal slot within a circle.
Joseph, S. +3 more
core +1 more source
The next generation textile antennas based on substrate integrated waveguide technology [PDF]
, 2014 Textile antennas for body-worn applications have some very specific requirements and needs. From an electrical engineer's point of view, good radiation characteristics and impedance matching to the active electronics are important.
Agneessens, Sam +4 more
core +2 more sources