Results 91 to 100 of about 328,962 (374)
Assessment of Rydberg atoms for wideband electric field sensing [PDF]
Journal of Physics B: Atomic, Molecular and Optical Physics, 2019 Rydberg atoms have attracted significant interest recently as electric field sensors. In order to assess potential applications, detailed understanding of relevant figures of merit is necessary, particularly in relation to other, more mature, sensor ...
D. H. Meyer +3 more
semanticscholar +1 more source
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
Manipulation of double acoustic defect states based on connection phase mismatching
Results in Physics, 2021 Defects in periodic structures always lead to the defect states, which can modulate the physical or chemical properties of materials to realize devices with very high performance.
Huan Liu +4 more
doaj +1 more source
Dynamic Subarrays for Hybrid Precoding in Wideband mmWave MIMO Systems [PDF]
IEEE Transactions on Wireless Communications, 2016 Hybrid analog/digital precoding architectures can address the tradeoff between achievable spectral efficiency and power consumption in large-scale MIMO systems. This makes them a promising candidate for millimeter wave systems, which deploy large antenna
Sungwoo Park, A. Alkhateeb, R. Heath
semanticscholar +1 more source
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
Temperature tuning of defect state induced by the periodic cavities between the phononic crystals
AIP Advances, 2021 The defect state in periodic structures usually leads to a pass band in the forbidden bandgap and energy localization at the position of geometric change.
Huan Liu +5 more
doaj +1 more source
Reconfigurable Three‐Dimensional Superconducting Nanoarchitectures
Advanced Functional Materials, EarlyView.3D superconducting nanostructures offer new possibilities for emergent physical phenomena. However, fabricating complex geometries remains challenging. Here 3D nanoprinting of complex 3D superconducting nanoarchitectures is established. As well as propagating superconducting vortices in 3D, anisotropic superconducting properties with geometric ...
Elina Zhakina +11 more
wiley +1 more source
Class of Recursive Wideband Digital Differentiators and Integrators [PDF]
, 2012 New designs of recursive digital differentiators are obtained by optimizing a general fourth-order recursive digital filter over different Nyquist bands.
Upadhyay, D. K.
core +1 more source
Dynamic Spectrum Sharing in the Age of Millimeter Wave Spectrum Access
, 2020 Next-generation wireless networks are facing spectrum shortage challenges, mainly due to, among other factors, the projected massive numbers of IoT connections and the emerging bandwidth-hungry applications that such networks ought to serve.
Hamdaoui, Bechir +2 more
core +1 more source
Design of high throughput antennas for wideband, ultra wideband and super wideband applications
, 2020 Demand for multifunctional devices are increasing day by day and it requires antenna that can support multiple frequencies. The necessity of designing antenna that supports these wide range of frequencies with high performance is growing. In this thesis, two antennae have been designed and tested in the lab to check functionality, and they cover ...
openaire +2 more sources