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
Amplitude modulation and nonlinear dynamics of small amplitude ion‐acoustic waves in five component cometary plasmas
Sign Up to like & getrecommendations! Published in 2024 at "Contributions to Plasma Physics"
DOI: 10.1002/ctpp.202400008
Abstract: The formation and propagation dynamics of the finite‐amplitude ion‐acoustic wave (IAW) structures (e.g., soliton, breather, rogue wave, etc.) is theoretically investigated in a plasma comprising of kappa distributed solar and cometary electrons of different temperatures,… read more here.
Keywords: equation; amplitude ion; ion acoustic; amplitude modulation ... See more keywords
Principle of contrast-enhanced ultrasonography
Sign Up to like & getrecommendations! Published in 2024 at "Journal of Medical Ultrasonics (2001)"
DOI: 10.1007/s10396-024-01443-x
Abstract: Sonazoid, an ultrasound contrast agent, has been covered by insurance in Japan since January 2007 for the diagnosis of hepatic mass lesions and is widely used for diagnosing not only primary liver cancer but also… read more here.
Keywords: pulse inversion; contrast enhanced; amplitude modulation; contrast ... 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
Psychoacoustic and electroencephalographic responses to changes in amplitude modulation depth and frequency in relation to speech recognition in cochlear implantees
Sign Up to like & getrecommendations! Published in 2024 at "Scientific Reports"
DOI: 10.1038/s41598-024-58225-1
Abstract: Temporal envelope modulations (TEMs) are one of the most important features that cochlear implant (CI) users rely on to understand speech. Electroencephalographic assessment of TEM encoding could help clinicians to predict speech recognition more objectively,… read more here.
Keywords: recognition; speech recognition; amplitude modulation; frequency ... See more keywords