Results 81 to 90 of about 4,616,861 (293)

MZM Optimization of PAM-4 Transmission in Data Center Interconnect

open access: yesApplied Sciences, 2019
An analog optimization of 4-level pulse amplitude modulation (PAM-4) signal is proposed, together with maximum likelihood sequence estimation digital signal processing.
Eduard Sonkin, Dan Sadot, Gilad Katz
doaj   +1 more source

Liver organoids: modelling complexity in homeostasis and disease

open access: yesFEBS Letters, EarlyView.
Studying liver in vitro has been challenging because simple 2D cell cultures fail to capture liver's cellular and architectural complexity. To bridge this gap, scientists increasingly use organoids, 3D liver models which better mimic liver composition and function. This review examines recent advances in liver organoid complexity and realism, discusses
Anna M. Dowbaj, Meritxell Huch
wiley   +1 more source

Epigenetic reprogramming of lineage switching in cancer

open access: yesFEBS Letters, EarlyView.
Cancer cells rarely commit to a single identity. Epigenetic mechanisms and tumor microenvironment cues push epithelial cells toward flexible, hybrid states that can shift into mesenchymal, neuroendocrine, or stem‐like fates, driving metastasis, drug resistance, and tumor heterogeneity. Targeting the epigenetic regulators behind these transitions, using
Ezgi Boyvatlı   +4 more
wiley   +1 more source

Mathematical Modeling of Sampling, Quantization, and Coding in Sigma Delta Converter using Matlab

open access: yesUHD Journal of Science and Technology, 2017
The received analog signal must be digitized before the digital signal processing can demodulate it. Sampling, quantization, and coding are the separate stages for the analog-to-digital adaptation procedure.
Azeez Abdullah Azeez Barzinjy   +2 more
doaj   +1 more source

The microbiome in human skin aging

open access: yesFEBS Letters, EarlyView.
Age‐related skin changes encompass the well‐known visible phenotypic alterations, together with microbiome dysbiosis and a series of molecular aging hallmarks. These hallmarks characterize not only a fully stablished aged phenotype but also the skin aging process itself.
Manuel Huerta Arana   +3 more
wiley   +1 more source

Vector Field Driven Design for Lightweight Signal Processing and Control Schemes for Autonomous Robotic Navigation

open access: yesEURASIP Journal on Advances in Signal Processing, 2009
We address the problem of realizing lightweight signal processing and control architectures for agents in multirobot systems. Motivated by the promising results of neuromorphic engineering which suggest the efficacy of analog as an implementation ...
Nebu John Mathai   +2 more
doaj   +1 more source

Analog and mixed-signal electronics / Karl D. Stephan.

open access: yes, 2015
engineering bookfair2016Includes bibliographical references and index.xiv, 519 p. :A guide to analog and mixed-signal electronics, with an emphasis on design problems and applications. This book provides coverage of analog and mixed-signal topics such as
Stephan, Karl David, 1953-
core  

Automated Observability Investigation of Analog Electronic Circuits using SPICE [PDF]

open access: yes, 2011
In the present paper, a computer-aided approach to fault observability investigation of linear analog circuits is developed. The method is based on sensitivity investigation of the test characteristics in the frequency domain.
Atanasov, Anton   +2 more
core  

MIMO detection in analog VLSI [PDF]

open access: yes, 2006
In this paper we propose an analog VLSI approach to maximum a posteriori (MAP) detection in multiple-input multiple-output (MIMO) systems. This detector can be seen as an extension of the well known analog decoding concept for error correcting codes, as ...
McNamara, DP   +3 more
core   +1 more source

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