Results 61 to 70 of about 1,669,726 (293)

Influence of the Main Filter on QRS-amplitude and Duration in Human Electrocardiogram

open access: yesMeasurement Science Review, 2019
Accurate measurement of electrocardiograms (ECG) is critical for effective diagnosis of patient’s cardiac functions. Detailed examination of filters’ effects on ECG accuracy, reproducibility and robustness covering a wide range of available commercial ...
Vranić Ivana   +4 more
doaj   +1 more source

Stable approximation schemes for optimal filters

open access: yes, 2019
A stable filter has the property that it asymptotically `forgets' initial perturbations. As a result of this property, it is possible to construct approximations of such filters whose errors remain small in time, in other words approximations that are ...
Crisan, Dan   +2 more
core   +1 more source

pH‐mediated activation of the lysosomal arginine sensor SLC38A9

open access: yesFEBS Letters, EarlyView.
Cells monitor nutrient levels via the lysosomal transporter SLC38A9 to activate the mechanistic target of rapamycin complex 1 (mTORC1). This study reveals that SLC38A9 function is regulated by pH. We identified histidine 544 as a critical pH sensor that undergoes conformational changes to control amino acid efflux from lysosomes; therefore, it ...
Xuelang Mu, Ampon Sae Her, Tamir Gonen
wiley   +1 more source

Metal Mesh Metasurfaces as Dual-Band Bandpass Filters for Terahertz Frequencies

open access: yesAdvanced Electromagnetics
In the paper, we propose a new strategy to design of metal mesh filters (MMFs) based on spatial symmetry analysis of bound states in the continuum(BICs) and manipulating and control with resonances, when BICs transformed to the resonances due to spatial
A. Perov
doaj   +1 more source

Neural Dataset Generality

open access: yes, 2016
Often the filters learned by Convolutional Neural Networks (CNNs) from different datasets appear similar. This is prominent in the first few layers. This similarity of filters is being exploited for the purposes of transfer learning and some studies have
Gattupalli, Vijetha   +2 more
core   +1 more source

In vitro models of cancer‐associated fibroblast heterogeneity uncover subtype‐specific effects of CRISPR perturbations

open access: yesMolecular Oncology, EarlyView.
Development of therapies targeting cancer‐associated fibroblasts (CAFs) necessitates preclinical model systems that faithfully represent CAF–tumor biology. We established an in vitro coculture system of patient‐derived pancreatic CAFs and tumor cell lines and demonstrated its recapitulation of primary CAF–tumor biology with single‐cell transcriptomics ...
Elysia Saputra   +10 more
wiley   +1 more source

Filter This

open access: yesIn the Library with the Lead Pipe, 2011
In the Library with the Lead Pipe welcomes Audrey Barbakoff, a librarian at the Milwaukee Public Library, and Ahniwa Ferrari, Virtual Experience Manager at the Pierce County Library System in Washington, for a point-counterpoint piece on filtering in ...
Audrey Barbakoff
doaj  

An Exploration of Ideals and Filters in Triangle Algebras

open access: yesAxioms
In the study of algebraic structures related to logical systems, ideals and filters have different meanings and are algebraic notions related to logical provable formulas.
Euclide Noumen   +3 more
doaj   +1 more source

Studies on Particulate Matter Emission in CFB Boiler- A Review

open access: yesJournal of Advanced Mechanical Sciences, 2022
The particulate matter (PM) emissions involve solids or liquid particles suspended in a gas, most found in the earth’s atmosphere. One of the major sources of PM emissions is the Circulating Fluidized Bed (CFB) and Pulverized Fuel fired (PF) boilers, IC ...
Abhishek Kumar Verma
doaj  

A Kaiser window approach for the design of prototype filters of cosine modulated filterbanks [PDF]

open access: yes, 1998
The traditional designs for the prototype filters of cosine modulated filterbanks usually involve nonlinear optimizations. We propose limiting the search of the prototype filters to the class of filters obtained using Kaiser windows.
Lin, Yuan-Pei, Vaidyanathan, P. P.
core  

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