Analog And Algorithm Assisted Ultra Low Power Biosignal Acquisition Systems
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Analog And Algorithm Assisted Ultra Low Power Biosignal Acquisition Systems
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Author : Venkata Rajesh Pamula
language : en
Publisher: Springer
Release Date : 2019-01-02
Analog And Algorithm Assisted Ultra Low Power Biosignal Acquisition Systems written by Venkata Rajesh Pamula and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-01-02 with Technology & Engineering categories.
This book discusses the design and implementation aspects of ultra-low power biosignal acquisition platforms that exploit analog-assisted and algorithmic approaches for power savings.The authors describe an approach referred to as “analog-and-algorithm-assisted” signal processing.This enables significant power consumption reductions by implementing low power biosignal acquisition systems, leveraging analog preprocessing and algorithmic approaches to reduce the data rate very early in the signal processing chain.They demonstrate savings for wearable sensor networks (WSN) and body area networks (BAN), in the sensors’ stimulation power consumption, as well in the power consumption of the digital signal processing and the radio link. Two specific implementations, an adaptive sampling electrocardiogram (ECG) acquisition and a compressive sampling (CS) photoplethysmogram (PPG) acquisition system, are demonstrated. First book to present the so called, “analog-and-algorithm-assisted” approaches for ultra-low power biosignal acquisition and processing platforms; Covers the recent trend of “beyond Nyquist rate” signal acquisition and processing in detail, including adaptive sampling and compressive sampling paradigms; Includes chapters on compressed domain feature extraction, as well as acquisition of photoplethysmogram, an emerging optical sensing modality, including compressive sampling based PPG readout with embedded feature extraction; Discusses emerging trends in sensor fusion for improving the signal integrity, as well as lowering the power consumption of biosignal acquisition systems.
Ultra Low Power Biomedical Signal Processing
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Author : Sandro Augusto Pavlik Haddad
language : en
Publisher: Springer Science & Business Media
Release Date : 2009-05-26
Ultra Low Power Biomedical Signal Processing written by Sandro Augusto Pavlik Haddad and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009-05-26 with Technology & Engineering categories.
Often WT systems employ the discrete wavelet transform, implemented on a digital signal processor. However, in ultra low-power applications such as biomedical implantable devices, it is not suitable to implement the WT by means of digital circuitry due to the relatively high power consumption associated with the required A/D converter. Low-power analog realization of the wavelet transform enables its application in vivo, e.g. in pacemakers, where the wavelet transform provides a means to extremely reliable cardiac signal detection. In Ultra Low-Power Biomedical Signal Processing we present a novel method for implementing signal processing based on WT in an analog way. The methodology presented focuses on the development of ultra low-power analog integrated circuits that implement the required signal processing, taking into account the limitations imposed by an implantable device.
Biopotential Readout Circuits For Portable Acquisition Systems
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Author : Refet Firat Yazicioglu
language : en
Publisher: Springer Science & Business Media
Release Date : 2008-10-16
Biopotential Readout Circuits For Portable Acquisition Systems written by Refet Firat Yazicioglu and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-10-16 with Technology & Engineering categories.
Biopotential Readout Circuits for Portable Acquisition Systems describes one of the main building blocks of such miniaturized biomedical signal acquisition systems. The focus of this book is on the implementation of low-power and high-performance integrated circuit building blocks that can be used to extract biopotential signals from conventional biopotential electrodes. New instrumentation amplifier architectures are introduced and their design is described in detail. These amplifiers are used to implement complete acquisition demonstrator systems that are a stepping stone towards practical miniaturized and low-power systems.
Ultra Low Power Biomedical Signal Processing
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Author : Sandro Augusto Pavlík Haddad
language : en
Publisher:
Release Date : 2006
Ultra Low Power Biomedical Signal Processing written by Sandro Augusto Pavlík Haddad and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with categories.
Automatisierte Partitionierung Von Mixed Signal Schaltungen F R Die Realisierung Von Systems In Package
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Author : Fabian Wagner
language : de
Publisher: Logos Verlag Berlin GmbH
Release Date : 2013
Automatisierte Partitionierung Von Mixed Signal Schaltungen F R Die Realisierung Von Systems In Package written by Fabian Wagner and has been published by Logos Verlag Berlin GmbH this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013 with Technology & Engineering categories.
Die vorliegende Arbeit stellt ein auf genetischen Algorithmen basiertes Verfahren vor, welches aus einer vorgegebenen Systemspezifikation die optimale Verteilung auf mehrere Chips, also ein System-in-Package (SiP), bestimmt. Aus dem Lösungsraum kann der Systemarchitekt ableiten, wie die Schaltungsteile partitioniert werden müssen, um z.B. ein flächen- oder kostenoptimales System zu realisieren. Dieser Ansatz kann allgemein für integrierte Schaltungen verwendet werden, wurde aber am Beispiel eines EKG-Systems verifiziert.
Analog Algorithm
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Author : Christoph Grünberger
language : en
Publisher:
Release Date : 2019-06
Analog Algorithm written by Christoph Grünberger and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-06 with Algorithms categories.
This book is a tool kit to create new forms. It deals with grid-based design and gives the reader techniques to develop new forms, fonts, logos, and patterns. The concept represents a design process in which individual decisions follow much larger and deeper principles than immediate and spontaneous-intuitive actions. Using a wide variety of examples, each chapter contains a detailed description of the procedure from form analysis to setting up design rules and their application. Both a workbook and a source of inspiration, this publication provides designers and architects with the tool they need to find analytical forms analog, algorithm-based, exploratory but never of arbitrary origin. The procedures described allow an almost infinite number of possibilities. The designer is thus transformed from inventor to interpreter or curator, who assesses individual forms for logos, fonts or patterns on the fly and ensures that the design process is always efficient and goal-oriented. AUTHOR: Christoph Grunberger is a German illustrator and designer. He is active in the fields of corporate, interactive and spatial design, with a strong focus on exploring the limits of interaction and desktop applications. Together with Stefan Gandl he is co-author of the book Neubau Modul and collaborated on the exhibition NeubauIsm at gallery MU (Eindhoven/NL) in 2008, which was opened by Wim Crouwel. For the video installation Wutburger, a co-operation with Andreas Lutz, he received the excellence Award in the Art section at the Japan Media Arts Festival in Toyko in 2015. His works as a freelance designer have been awarded nationally and internationally. 55 images
Advanced Biosignal Processing
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Author : Amine Nait-Ali
language : en
Publisher: Springer Science & Business Media
Release Date : 2009-04-21
Advanced Biosignal Processing written by Amine Nait-Ali and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009-04-21 with Technology & Engineering categories.
Generally speaking, Biosignals refer to signals recorded from the human body. They can be either electrical (e. g. Electrocardiogram (ECG), Electroencephalogram (EEG), Electromyogram (EMG), etc. ) or non-electrical (e. g. breathing, movements, etc. ). The acquisition and processing of such signals play an important role in clinical routines. They are usually considered as major indicators which provide clinicians and physicians with useful information during diagnostic and monitoring processes. In some applications, the purpose is not necessarily medical. It may also be industrial. For instance, a real-time EEG system analysis can be used to control and analyze the vigilance of a car driver. In this case, the purpose of such a system basically consists of preventing crash risks. Furthermore, in certain other appli- tions,asetof biosignals (e. g. ECG,respiratorysignal,EEG,etc. ) can be used toc- trol or analyze human emotions. This is the case of the famous polygraph system, also known as the “lie detector”, the ef ciency of which remains open to debate! Thus when one is dealing with biosignals, special attention must be given to their acquisition, their analysis and their processing capabilities which constitute the nal stage preceding the clinical diagnosis. Naturally, the diagnosis is based on the information provided by the processing system.
Sub Threshold Design For Ultra Low Power Systems
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Author : Alice Wang
language : en
Publisher: Springer Science & Business Media
Release Date : 2006-12-11
Sub Threshold Design For Ultra Low Power Systems written by Alice Wang and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-12-11 with Technology & Engineering categories.
Based on the work of MIT graduate students Alice Wang and Benton Calhoun, this book surveys the field of sub-threshold and low-voltage design and explores such aspects of sub-threshold circuit design as modeling, logic and memory circuit design. One important chapter of the book is dedicated to optimizing energy dissipation - a key metric for energy constrained designs. This book also includes invited chapters on the subject of analog sub-threshold circuits.
Quadrature Rc Oscillators
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Author : João Carlos Ferreira de Almeida Casaleiro
language : en
Publisher: Springer
Release Date : 2018-10-29
Quadrature Rc Oscillators written by João Carlos Ferreira de Almeida Casaleiro and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-10-29 with Technology & Engineering categories.
This book presents a tutorial review of van der Pol model, a universal oscillator model for the analysis of modern RC−oscillators in weak and strong nonlinear regimes. A detailed analysis of the injection locking in van der Pol oscillators is also presented. The relation between the van der Pol parameters and several circuit implementations in CMOS nanotechnology is given, showing that this theory is very useful in the optimization of oscillator key parameters, such as: frequency, amplitude and phase relationship. The authors discuss three different examples: active coupling RC−oscillators, capacitive coupling RC−oscillators, and two-integrator oscillator working in the sinusoidal regime. · Provides a detailed tutorial on the van der Pol oscillator model, which can be the basis for the analysis of modern RC−oscillators in weak and strong nonlinear regimes; · Demonstrations the relationship between the van der Pol parameters and several circuit implementations in CMOS nanotechnology, showing that this theory is a powerful tool in the optimization of key oscillator parameters; · Provides three circuit prototypes implemented in modern CMOS nanotechnology in the GHz range, with applications in low area, low power, low cost, wireless sensor network (WSN) applications (e.g. IoT, BLE).
Body Sensor Networks
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Author : Guang-Zhong Yang
language : en
Publisher: Springer
Release Date : 2014-04-16
Body Sensor Networks written by Guang-Zhong Yang and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-04-16 with Computers categories.
The last decade has witnessed a rapid surge of interest in new sensing and monitoring devices for wellbeing and healthcare. One key development in this area is wireless, wearable and implantable in vivo monitoring and intervention. A myriad of platforms are now available from both academic institutions and commercial organisations. They permit the management of patients with both acute and chronic symptoms, including diabetes, cardiovascular diseases, treatment of epilepsy and other debilitating neurological disorders. Despite extensive developments in sensing technologies, there are significant research issues related to system integration, sensor miniaturisation, low-power sensor interface, wireless telemetry and signal processing. In the 2nd edition of this popular and authoritative reference on Body Sensor Networks (BSN), major topics related to the latest technological developments and potential clinical applications are discussed, with contents covering. Biosensor Design, Interfacing and Nanotechnology Wireless Communication and Network Topologies Communication Protocols and Standards Energy Harvesting and Power Delivery Ultra-low Power Bio-inspired Processing Multi-sensor Fusion and Context Aware Sensing Autonomic Sensing Wearable, Ingestible Sensor Integration and Exemplar Applications System Integration and Wireless Sensor Microsystems The book also provides a comprehensive review of the current wireless sensor development platforms and a step-by-step guide to developing your own BSN applications through the use of the BSN development kit.