Results 61 to 70 of about 241,566 (298)
Materials & DesignA single-beam spoof surface plasmon polariton (SSPP) leaky-wave antenna (LWA) with backfire radiation and wide-angle scanning capability is proposed. In the antenna structure, a Goubau line (GL) with a periodic open ring array etching is specifically ...
Jinhong Wang +6 more
doaj +1 more source
CREATION OF PSEUDO-RANDOM SEQUENCES BASED ON CHAOS FOR FORMING OF WIDEBAND SIGNAL
Information and Telecommunication Sciences, 2017 Background. Telecommunication systems with a broadband signal have improved noise immunity, the ability to receive a signal in multipath, as well as electromagnetic compatibility with neighboring radio electronic devices.
Anatoly Semenko +3 more
doaj +1 more source
SYNTHESIS METHOD FOR ALPHABETS OF ORTHOGONAL SIGNALING BROADBAND COMMUNICATIONS [PDF]
Научно-технический вестник информационных технологий, механики и оптики, 2018 Subject of Research. A synthesis method for alphabets of orthogonal signal broadband messages is developed. An example of software implementation is given.
Grishentsev A.Yu.
doaj +1 more source
Band Limited Signals Observed Over Finite Spatial and Temporal Windows: An Upper Bound to Signal Degrees of Freedom [PDF]
, 2014 The study of degrees of freedom of signals observed within spatially diverse broadband multipath fields is an area of ongoing investigation and has a wide range of applications, including characterising broadband MIMO and cooperative networks. However, a
Abhayapala, Thushara D. +2 more
core
Assessment of radio frequency exposures in schools, homes, and public places in Belgium [PDF]
, 2014 Characterization of exposure from emerging radio frequency (RF) technologies in areas where children are present is important. Exposure to RF electromagnetic fields (EMF) was assessed in three "sensitive" microenvironments; namely, schools, homes, and ...
Constandt, Kim +5 more
core +1 more source
Advanced Functional Materials, EarlyView.A chiral photodetector capable of selectively distinguishing left‐ and right‐handed circularly polarized light is experimentally demonstrated. The device, which features a nanopatterned electrode inverse‐designed by a genetic algorithm within a metal–dielectric–metal nanocavity that incorporates a vacuum‐deposited small‐molecule multilayer, exhibits ...
Kyung Ryoul Park +3 more
wiley +1 more source
Space-division multiplexing for fiber-wireless communications
, 2018 We envision the application of optical Space-division Multiplexing (SDM) to the next generation fiber-wireless communications as a firm candidate to increase the end user capacity and provide adaptive radiofrequency-photonic interfaces.
Barrera, David +4 more
core +1 more source
Atomic‐Scale Light Coupling Control in Ultrathin Photonic Membranes
Advanced Functional Materials, EarlyView.Ultrathin photonic nanomembranes provide atomic‐scale control over the coupling between incident light and high‐Q photonic modes, enabling angstrom‐level resonance tuning and strong field confinement. When integrated with TMD monolayers, they further yield enhanced light–matter interactions, offering a versatile platform for advancing quantum photonics,
Chih‐Zong Deng +8 more
wiley +1 more source
LRPS‐GCN: A millimeter wave sparse imaging algorithm based on graph signal
IET Radar, Sonar & NavigationAiming at the problems of slow speed and poor accuracy of traditional millimeter wave sparse imaging, a sparse imaging algorithm based on graph convolution model is proposed from the perspective of sparse signal recovery.
Li Che +3 more
doaj +1 more source
4D‐Printed Magneto‐Plasmonic Microrobots for Programmable Spatiotemporal De‐Icing
Advanced Functional Materials, EarlyView.A 4D‐printing strategy is introduced to achieve programmable de‐icing devices. By aligning gold–magnetite nanofillers within a photosensitive resin, the printed structures exhibit dual magnetic and plasmonic functionalities, enabling precise spatio‐temporal ice removal through thermoplasmonic effects.
Amélie Pérot +7 more
wiley +1 more source