Results 81 to 90 of about 241,566 (298)
The Next Generation CATV Tester for Ease of Monitoring and Maintenance in Fiber-to-the-Home (FTTH) Network [PDF]
, 2009 Fiber-to-the Home (FTTH) network system is a broadband network system which can transmit video, data and voice signals. To ensure good signals condition, a CATV tester device is proposed. The CATV tester device is designed to measure CATV signals passing
Syuhaimi, Mohammad
core
Improving Photoacoustic-guided Focusing in Scattering Media by Spectrally Filtered Detection
, 2013 We experimentally and numerically study the potential of photoacoustic-guiding for light focusing through scattering samples via wavefront-shaping and iterative optimization.
Boccara, Claude +5 more
core +3 more sources
Advanced Functional Materials, EarlyView.InSb, a narrow‐bandgap semiconductor with high carrier mobility, is promising for thermoelectric energy conversion but suffers from high lattice thermal conductivity and strong bipolar conduction. Here, in situ interface engineering using Co2O3 nanoprecursors forms hierarchical CoSbx/In2O3/CoSb3 heterostructures that enhance phonon scattering and ...
Jiwu Xin +10 more
wiley +1 more source
Information and Telecommunication SciencesBackground. In modern telecommunications, troposcatter communication systems organize long-distance communication. These systems allow communication beyond the line of sight.
Сергій Капштик +1 more
doaj +1 more source
Extraction method research on characteristic frequency band of underwater acoustic monitoring signal
Dianzi Jishu Yingyong, 2020 The underwater acoustic monitoring acquires a wide range of frequency bands, including multi-band feature information in the recording process, and doped with various kinds of noise.
Zhao Jie +4 more
doaj +1 more source
Classification and Recovery of Radio Signals from Cosmic Ray Induced Air Showers with Deep Learning
, 2019 Radio emission from air showers enables measurements of cosmic particle kinematics and identity. The radio signals are detected in broadband Megahertz antennas among continuous background noise. We present two deep learning concepts and their performance
Erdmann, M., Schlueter, F., Smida, R.
core +1 more source
Orbital Geometry‐Governed Response of Pressure‐Tunable Quantum Defects in hBN
Advanced Functional Materials, EarlyView.Defects in hBN act as ultrasensitive quantum manometers when the energy of the intradefect optical transitions is modified by lattice compression. The orbital geometry of the electron wave functions governs how electron hopping and Coulomb interactions react uniquely to the reduction of the van der Waals gap and in‐plane compression, leading to robust ...
Magdalena Grzeszczyk +6 more
wiley +1 more source
Blind Detection of Broadband Signal Based on Weighted Bi-Directional Feature Pyramid Network. [PDF]
Sensors (Basel), 2023 Guo S, Yao J, Wu P, Yang J, Wu W, Lin Z.
europepmc +1 more source
Advanced Functional Materials, EarlyView.An integrated material platform combining engineered SiNx thin films and printable ZrO2 nanoparticle‐embedded resin enables broadband achromatic metalenses from the ultraviolet to visible range. The demonstrated meta‐optics achieve near‐diffraction‐limited focusing with minimal chromatic aberration.
Hyunjung Kang +3 more
wiley +1 more source
Properties and technical applications of antenna arrays focused on a broadband signal
Физика волновых процессов и радиотехнические системыBackground. Currently, antenna arrays focused in the near-radiated field zone are being actively studied. The basic properties and characteristics of focused antenna systems using narrowband signals are known.
Denis A. Vedenkin, Yuri E. Sedelnikov
doaj +1 more source