Optimization of sampling frequency for coastal seawater quality monitoring
Sign Up to like & getrecommendations! Published in 2020 at "Environmental Monitoring and Assessment"
DOI: 10.1007/s10661-020-08700-9
Abstract: The selection of an appropriate sampling frequency is very important in monitoring coastal seawater quality. The present study sought to optimize the sampling frequency for coastal seawater quality monitoring. We combined mathematical models with natural… read more here.
Keywords: frequency; seawater quality; monitoring; sampling frequency ... See more keywords
Joint Estimation of Carrier and Sampling Frequency Offsets Using OFDM WLAN Preamble
Sign Up to like & getrecommendations! Published in 2018 at "Wireless Personal Communications"
DOI: 10.1007/s11277-017-4967-8
Abstract: In this paper, the problem of joint estimation of carrier and sampling frequency offsets is considered, for IEEE 802.11ac-based OFDM wireless LAN systems, based on the guard interval and two long symbols (GI2L) in the… read more here.
Keywords: sampling frequency; frequency offsets; estimation; carrier sampling ... See more keywords
An All-Digital Low-Noise Switching DC–DC Buck Converter Based on a Multi-sampling Frequency Delta-Sigma Modulation with Enhanced Light-Load Efficiency
Sign Up to like & getrecommendations! Published in 2019 at "Arabian Journal for Science and Engineering"
DOI: 10.1007/s13369-019-03955-y
Abstract: This paper presents an all-digital technique to control DC–DC switching buck converters for noise-sensitive low-power applications. The controller is designed based on a multi-sampling frequency digital delta-sigma modulator, whose sampling frequency is adjusted according to… read more here.
Keywords: light load; delta sigma; frequency; load ... See more keywords
Influence of sampling frequency and number of strides on recurrence quantifiers extracted from gait data
Sign Up to like & getrecommendations! Published in 2020 at "Computers in biology and medicine"
DOI: 10.1016/j.compbiomed.2020.103673
Abstract: In this study, the influence of the sampling frequency and number of strides on recurrence quantifiers extracted from gait data was investigated in order to provide baseline values and preserve the system's non-linear dynamical characteristics… read more here.
Keywords: recurrence; number strides; recurrence quantifiers; sampling frequency ... See more keywords
Assessing the effects of sampling frequency on behavioural classification of accelerometer data
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Experimental Marine Biology and Ecology"
DOI: 10.1016/j.jembe.2018.12.003
Abstract: Understanding the behaviours of free-ranging animals over biologically meaningful time scales (e.g., diel, tidal, lunar, seasonal, annual) gives unique insight into their ecology. Bio-logging tools such as accelerometers allow the remote study of elusive or… read more here.
Keywords: accelerometer data; classification; sampling frequency; ecology ... See more keywords
Photoplethysmography sampling frequency: pilot assessment of how low can we go to analyze pulse rate variability with reliability?
Sign Up to like & getrecommendations! Published in 2017 at "Physiological measurement"
DOI: 10.1088/1361-6579/aa5efa
Abstract: Pulse rate variability (PRV) analysis appears as the first alternative to heart rate variability analysis for wearable devices; however, there is a constraint on computational load and energy consumption for the limited system resources available… read more here.
Keywords: rate variability; frequency; analysis; sampling frequency ... See more keywords
Continuous blood pressure monitoring by photoplethysmography - signal preprocessing requirements based on blood flow modelling
Sign Up to like & getrecommendations! Published in 2023 at "Physiological Measurement"
DOI: 10.1088/1361-6579/acbf00
Abstract: Objective. The aim of the study is to investigate the effect of the signal sampling frequency and low-pass filtering on the accuracy of the localisation of the fiducial points of the photoplethysmographic signal (PPG), and… read more here.
Keywords: sampling frequency; fiducial point; signal; blood ... See more keywords
Evaluation of sampling frequency, window size and sensor position for classification of sheep behaviour
Sign Up to like & getrecommendations! Published in 2018 at "Royal Society Open Science"
DOI: 10.1098/rsos.171442
Abstract: Automated behavioural classification and identification through sensors has the potential to improve health and welfare of the animals. Position of a sensor, sampling frequency and window size of segmented signal data has a major impact… read more here.
Keywords: window; classification; window size; position ... See more keywords
Modified CRLB Based Optimal Sampling Frequency Selection in Phase and Frequency Estimation
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Access"
DOI: 10.1109/access.2019.2904792
Abstract: The sampling process is an almost indispensable operation in signal processing. The sampling frequency is one of the factors in the sampling process and the selection of it is also important in the signal processing… read more here.
Keywords: frequency; sampling frequency; modified crlb; estimation ... See more keywords
Sampling Frequency Fluctuations of the Sensors and Software SPIDAR Ground Penetrating Radar: Impact on Probing Passive Surface Acoustic Wave Delay Lines for Pollution Sensing
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Geoscience and Remote Sensing Letters"
DOI: 10.1109/lgrs.2020.3048084
Abstract: In the context of the subsurface pollutant detection using cooperative targets probed by ground penetrating RADAR (GPR), we assess the sampling frequency stability of the instrument as needed to make sure any time delay variation… read more here.
Keywords: frequency; ground penetrating; penetrating radar; term ... See more keywords
Joint Estimation of Symbol Timing and Sampling Frequency Offset for CDD-OFDM-Based DRM Systems
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Transactions on Broadcasting"
DOI: 10.1109/tbc.2018.2881362
Abstract: In this paper, an efficient symbol timing offset (STO) and sampling frequency offset (SFO) estimation scheme is proposed in an orthogonal frequency division multiplexing-based digital radio mondiale system using cyclic delay diversity. By using a… read more here.
Keywords: frequency; frequency offset; sampling frequency; estimation ... See more keywords