Selective Diffraction with Complex Amplitude Modulation by Dielectric Metasurfaces
Sign Up to like & getrecommendations! Published in 2018 at "Advanced Optical Materials"
DOI: 10.1002/adom.201701181
Abstract: Metasurfaces have attracted extensive interests due to their ability to locally manipulate optical parameters of light and easy integration to complex optical systems. Particularly, metasurfaces can provide a novel platform for splitting and diffracting light… read more here.
Keywords: diffraction; complex amplitude; amplitude modulation; selective diffraction ... See more keywords
High Power Efficient Quadrature Amplitude Modulation Soft Decision Algorithm
Sign Up to like & getrecommendations! Published in 2018 at "Wireless Personal Communications"
DOI: 10.1007/s11277-017-5083-5
Abstract: The quadrature amplitude modulation (QAM) is the basic technology on high speed broadband communication physical level symbol mapping. Systems requiring lower signal to noise ratio to achieve the same error probability are more power-efficient. The… read more here.
Keywords: modulation; soft decision; quadrature amplitude; power ... See more keywords
Temporal integration for amplitude modulation in childhood: Interaction between internal noise and memory
Sign Up to like & getrecommendations! Published in 2022 at "Hearing Research"
DOI: 10.1016/j.heares.2021.108403
Abstract: It is still unclear whether the gradual improvement in amplitude-modulation (AM) sensitivity typically found in children up to 10 years of age reflects an improvement in "processing efficiency" (the central ability to use information extracted… read more here.
Keywords: integration; temporal integration; memory; amplitude modulation ... See more keywords
Amplitude modulation and its relation to streamwise convection velocity
Sign Up to like & getrecommendations! Published in 2017 at "International Journal of Heat and Fluid Flow"
DOI: 10.1016/j.ijheatfluidflow.2016.11.013
Abstract: Abstract The paper is devoted to show the relation between the amplitude modulation and the convection velocity in a turbulent boundary layer. The analysis has been performed based upon velocity profiles measured with the hot-wire… read more here.
Keywords: modulation; pressure; amplitude modulation; convection velocity ... See more keywords
Long-term quantification and characterisation of wind farm noise amplitude modulation
Sign Up to like & getrecommendations! Published in 2021 at "Measurement"
DOI: 10.1016/j.measurement.2021.109678
Abstract: Abstract The large-scale expansion of wind farms has prompted community debate regarding adverse impacts of wind farm noise (WFN). One of the most annoying and potentially sleep disturbing components of WFN is amplitude modulation (AM).… read more here.
Keywords: farm noise; long term; wind farm; amplitude modulation ... See more keywords
Investigation of frequency dependent nonlinearity on pulse amplitude modulation in bandlimited visible light communications
Sign Up to like & getrecommendations! Published in 2020 at "Optics Communications"
DOI: 10.1016/j.optcom.2020.126040
Abstract: Abstract In this work, the nonlinear behavior on pulse-amplitude-modulation (PAM) and their impact on the performance of RGB light-emitting-diodes (LED) based visible light communications (VLC) is presented. Particularly, how the limited source bandwidth affects the… read more here.
Keywords: pulse amplitude; nonlinearity; light communications; visible light ... See more keywords
Circular birefringence/dichroism measurement of optical scattering samples using amplitude-modulation polarimetry
Sign Up to like & getrecommendations! Published in 2018 at "Optics and Lasers in Engineering"
DOI: 10.1016/j.optlaseng.2017.10.017
Abstract: Abstract A method is proposed for extracting the circular birefringence (CB), circular dichroism (CD) and depolarization (Dep) properties of optical scattering samples using an amplitude-modulation polarimetry technique. The validity of the proposed method is demonstrated… read more here.
Keywords: amplitude modulation; scattering samples; circular birefringence; optical scattering ... See more keywords
Amplitude modulation between multi-scale turbulent motions in high-Reynolds-number atmospheric surface layers
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Fluid Mechanics"
DOI: 10.1017/jfm.2018.906
Abstract: Long-term measurements were performed at the Qingtu Lake Observation Array site to obtain high-Reynolds-number atmospheric surface layer flow data ( $Re_{\unicode[STIX]{x1D70F}}\sim O(10^{6})$ ). Based on the selected high-quality data in the near-neutral surface layer, the… read more here.
Keywords: modulation; high reynolds; reynolds number; multi scale ... See more keywords
40 Gbps 4-level pulse amplitude modulation closed-loop decision-feedback equaliser with high-speed comparator in 55 nm CMOS technology
Sign Up to like & getrecommendations! Published in 2018 at "Electronics Letters"
DOI: 10.1049/el.2018.1112
Abstract: A 40 Gbps 4-tap 4-level pulse amplitude modulation closed-loop decision feedback equaliser (DFE) is proposed. The DFE adopts a novel high-speed comparator to resolve the critical timing constraints of the first tap. The comparator decreases… read more here.
Keywords: level pulse; pulse amplitude; comparator; closed loop ... See more keywords
Simplified SHE pulse‐amplitude modulation for multilevel inverters
Sign Up to like & getrecommendations! Published in 2018 at "IET Power Electronics"
DOI: 10.1049/iet-pel.2018.5538
Abstract: In this study, a selective harmonic elimination (SHE)-pulse-amplitude modulation method is suggested for the cascaded multilevel inverters. This method is based on the balancing of the voltage-second area under the output voltage waveform and reference… read more here.
Keywords: modulation; pulse amplitude; amplitude; multilevel inverters ... See more keywords
Amplitude modulation atomic force microscopy based on higher flexural modes
Sign Up to like & getrecommendations! Published in 2017 at "AIP Advances"
DOI: 10.1063/1.5004732
Abstract: In this work, amplitude modulation atomic force microscopy (AM-AFM) based on the higher flexural modes of the microcantilever is investigated by a numerical approach. The amplitude-distance and phase-distance curves for the first four flexural modes… read more here.
Keywords: microscopy; higher flexural; flexural modes; force ... See more keywords