Reactive hyperemia and baseline pulse amplitude among smelter workers exposed to fine and ultrafine particles
Sign Up to like & getrecommendations! Published in 2019 at "International Archives of Occupational and Environmental Health"
DOI: 10.1007/s00420-019-01491-8
Abstract: Objective Ambient exposure to fine particles is associated with increased cardiovascular morbidity and mortality. Associations between occupational particulate matter (PM) exposure and cardiovascular disease have been studied less. The objective of this study was to… read more here.
Keywords: reactive hyperemia; pulse amplitude; exposure; among participants ... See more keywords
Monitoring the acclimatization of a Chlorella sp. From freshwater to hypersalinity using photosynthetic parameters of pulse amplitude modulated fluorometry.
Sign Up to like & getrecommendations! Published in 2020 at "Bioresource technology"
DOI: 10.1016/j.biortech.2020.123380
Abstract: Contamination of freshwater raceway ponds impedes the commercial cultivation of microalgae. Acclimatization of freshwater microalgae to hypersaline conditions offers a means to reduce contamination. A freshwater Chlorella species was cultured in a gradient of salinities… read more here.
Keywords: freshwater; pulse amplitude; amplitude modulated; chlorella ... 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
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
Adjusting Pulse Amplitude During Transcutaneous Electrical Nerve Stimulation Does Not Provide Greater Hypoalgesia.
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Alternative and Complementary Medicine"
DOI: 10.1089/acm.2016.0184
Abstract: Abstract Objectives: Transcutaneous electrical nerve stimulation (TENS) is an electrotherapeutic modality commonly used in rehabilitation to relieve pain. Adjusting pulse amplitude (intensity) during TENS treatment has been suggested to overcome nerve habituation. However, it is… read more here.
Keywords: medicine; transcutaneous electrical; electrical nerve; pulse amplitude ... See more keywords
A Description of a New Continuous Physiological Index in Traumatic Brain Injury Using the Correlation between Pulse Amplitude of Intracranial Pressure and Cerebral Perfusion Pressure
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Neurotrauma"
DOI: 10.1089/neu.2017.5241
Abstract: Abstract To describe a new continuous index of physiologic measurement in a traumatic brain injury (TBI) population, the moving correlation coefficient between intracranial pressure (ICP) pulse amplitude (AMP) and cerebral perfusion pressure (CPP), which we… read more here.
Keywords: index; traumatic brain; pulse amplitude; correlation ... See more keywords
P1094PULSE AMPLITUDE OF THE TOE MEASURED WITH A PORTABLE LASER DOPPLER FLOW METER IS USEFUL FOR SCREENING OF DIALYSIS PATIENTS FOR PERIPHERAL ARTERIAL DISEASE
Sign Up to like & getrecommendations! Published in 2020 at "Nephrology Dialysis Transplantation"
DOI: 10.1093/ndt/gfaa142.p1094
Abstract: Peripheral arterial disease (PAD) occurs at a high frequency in hemodialysis (HD) patients and is known to be associated with poor outcomes. Measurement of the ankle-brachial blood pressure index (ABI) or toe brachial index (TBI)… read more here.
Keywords: abi tbi; pulse amplitude; amplitude; amplitude toe ... See more keywords
Linearisation Method of DML-Based Transmitters for Optical Communications Part III: Pulse Amplitude Modulation
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Lightwave Technology"
DOI: 10.1109/jlt.2021.3113625
Abstract: A new linearization method for optical transmitters based on directly modulated lasers (DMLs), named the Stretched A method, was proposed in Parts I and II of this work. Parts I and II presented the theoretical… read more here.
Keywords: modulation; pulse amplitude; method; linearisation method ... See more keywords
Flexible Quadrature Spatial Pulse Amplitude Modulation for VLC Systems
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Systems Journal"
DOI: 10.1109/jsyst.2021.3125370
Abstract: Quadrature-spatial modulation (QSM) offers high spectral efficiency (SE) without interchannel interference for both radio frequency and visible light communication (VLC) systems. In this article, a new QSM scheme called flexible quadrature spatial pulse amplitude modulation… read more here.
Keywords: modulation; amplitude modulation; quadrature spatial; spatial pulse ... See more keywords
Effects of childhood obesity on ocular pulse amplitude and intraocular pressure.
Sign Up to like & getrecommendations! Published in 2022 at "Arquivos brasileiros de oftalmologia"
DOI: 10.5935/0004-2749.20230038
Abstract: PURPOSE To assess intraocular pressure and ocular pulse amplitude changes in obese children and adolescents using dynamic contour tonometry. METHODS 137 cases, 64 obese and 73 healthy children, who were both age-matched and gender-matched, comprised… read more here.
Keywords: ocular pulse; pressure; intraocular pressure; obesity ... See more keywords