نتایج جستجو برای: mnf

تعداد نتایج: 302  

2017
Wei Wang Ke Li Shouwei Yue Cuiping Yin Na Wei

Reduced knee flexion is a leading feature of post-stroke gait, but the causes have not been well understood. The purpose of this study was to investigate the relationship between the knee flexion and the lower-limb muscle activation within the stance-to-swing phases of gait cycle in the post-stroke hemiplegic patients. Ten stroke patients and 10 age- and gender-matched healthy subjects particip...

Journal: :Journal of Physics: Condensed Matter 2016

2018
Rebecca Short Rajina Gurung Marcus Rowcliffe Nicholas Hill E J Milner-Gulland

Free or subsidised mosquito net (MN) distribution has been an increasingly important tool in efforts to combat malaria in recent decades throughout the developing world, making great strides towards eradicating this hugely detrimental disease. However, there has been increasing concern in the natural resource management and healthcare communities over alternative use of MNs, particularly in art...

Journal: :Remote Sensing 2012
Benjamin F. Leutner Björn Reineking Jörg Müller Martin Bachmann Carl Beierkuhnlein Stefan W. Dech Martin Wegmann

The decline of biodiversity is one of the major current global issues. Still, there is a widespread lack of information about the spatial distribution of individual species and biodiversity as a whole. Remote sensing techniques are increasingly used for biodiversity monitoring and especially the combination of LiDAR and hyperspectral data is expected to deliver valuable information. In this stu...

Journal: :E3S web of conferences 2021

Present study reports a computational investigation on heat transfer and pressure drop characteristics for flow through exchanger tube fitted with novel hybrid ribs by using magnetic nanofluid (Fe 3 O 4 ). Effects of different rib geometry have been investigated Reynolds number ranging from 000 to 22 000. Until now, there is little information available in the literature method quantifying effe...

2017
Baozhi Cheng Jianpei Zhang

In this paper, a novel anomaly detection algorithm is proposed for hyperspectral imagery, which is the extended RX algorithm based on spectral dimension transformation and spatial filter (STSF-RX). Firstly, minimum noise fraction (MNF) transform is performed on the original hyperspectral images, by setting a SNR threshold, and obtains MNF transform matrices that the SNR of their corresponding b...

2018
Soumyajit Gupta Chandrajit Bajaj

Most hyperspectral images (HSI) have important spectral features in specific combination of wave numbers or channels. Noise in these specific channels or bands can easily overwhelm these relevant spectral features. Maximum Noise Fraction (MNF) by Green et al. [1] has been extensively studied for noise removal in HSI data. The MNF transform maximizes the Signal to Noise Ratio (SNR) in feature sp...

Journal: :Perceptual and motor skills 2012
John Miller Ronald Croce Michael Horvat Wayne Smith

Effect of contraction intensity [100%, 75%, 50%, and 25% maximum voluntary contraction (MVC)] and movement velocity [0 degrees (isometric)], 50 degrees, 100 degrees, 200 degrees, and 400 degrees/sec. [isovelocities]) on root mean square amplitude (SEMG-RMS) and median frequency power spectrum (SEMG-MNF) of vastus lateralis (VL) surface electromyography was investigated with ten healthy female u...

Journal: :Energies 2021

To overcome the problem of abnormally large bubbles and reduction heat flux under low gravity, computational model magnetic nanofluid (MNF) boiling flow was used to systematically study thermodynamic characteristics an MNF-saturated film with without field. This found that in absence a field, decrease gravity level makes bubble size increase departure time increase, lower level, worse transfer....

2014
George Y. Chen Ming Ding Trevor. P. Newson Gilberto Brambilla

Rapid advances in optical microfiber and nanofibers (MNF) based sensors have been driven by powerful industries such as automotive, biomedical and defense, with the increasing demand for highly-sensitive, selective, nonintrusive, fast-response, compact and robust sensors that can perform in-situ measurements at remote and harsh environments. A diverse range of MNF based sensors have been develo...

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