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Dissertations / Theses on the topic 'Low-end'

Author: Grafiati

Published: 4 June 2021

Last updated: 26 July 2025

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1

Betzler, August. "Improvements to end-to-end performance of low-power wireless networks." Doctoral thesis, Universitat Politècnica de Catalunya, 2015. http://hdl.handle.net/10803/321112.

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Over the last decades, wireless technologies have become an important part of our daily lives. A plentitude of new types of networks based on wireless technologies have emerged, often replacing wired solutions. In this development, not only the number and the types of devices equipped with wireless transceivers have significantly increased, also the variety of wireless technologies has grown considerably. Moreover, Internet access for wireless devices has paved the way for a large variety of new private, business, and research applications. Great efforts have been made by the research communit

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2

Hardman, Scott, Eric Shiu, and Robert Steinberger-Wilckens. "Comparing high-end and low-end early adopters of battery electric vehicles." Elsevier, 2016. https://publish.fid-move.qucosa.de/id/qucosa%3A72827.

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Battery electric vehicle adoption research has been on going for two decades. The majority of data gathered thus far is taken from studies that sample members of the general population and not actual adopters of the vehicles. This paper presents findings from a study involving 340 adopters of battery electric vehicles. The data is used to corroborate some existing assumptions made about early adopters. The contribution of this paper, however, is the distinction between two groups of adopters. These are high-end adopters and low-end adopters. It is found that each group has a different socio-ec

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3

Mollén, Christopher. "High-End Performance with Low-End Hardware : Analysis of Massive MIMO Base Station Transceivers." Doctoral thesis, Linköpings universitet, Kommunikationssystem, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-143455.

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Massive MIMO (multiple-input–multiple-output) is a multi-antenna technology for cellular wireless communication, where the base station uses a large number of individually controllable antennas to multiplex users spatially. This technology can provide a high spectral efficiency. One of its main challenges is the immense hardware complexity and cost of all the radio chains in the base station. To make massive MIMO commercially viable, inexpensive, low-complexity hardware with low linearity has to be used, which inherently leads to more signal distortion. This thesis investigates how the deg

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Emamian, Peyman. "Light Weight Health Application for Low End Cell Phones." Thesis, North Dakota State University, 2016. https://hdl.handle.net/10365/28196.

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Health applications are usually complicated and low end devices do not benefit from them. The focus of this thesis is on expandable health services platform for low end cell phones. Large number of mobile phones in the world are incapable using web or modern operating systems and pre-installed SMS application is the preferred communication medium. Moreover, SMS does not require a stable connection so text-based health information can still be available even during natural disasters. Although our platform is accessible through communication forms other than SMS. We propose a scalable platform f

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5

Mollén, Christopher. "On Massive MIMO Base Stations with Low-End Hardware." Licentiate thesis, Linköpings universitet, Kommunikationssystem, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-130516.

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Massive MIMO (Multiple-Input Multiple-Output) base stations have proven, both in theory and in practice, to possess many of the qualities that future wireless communication systems will require. They can provide equally high data rates throughout their coverage area and can concurrently serve multiple low-end handsets without requiring wider spectrum, denser base station deployment or significantly more power than current base stations. The main challenge of massive MIMO is the immense hardware complexity and cost of the base station—each element in the large antenna array needs to be indivi

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6

Jason, Susan. "End-to-end low cost space missions beyond earth orbit : a case study for the moon." Thesis, Cranfield University, 2001. http://dspace.lib.cranfield.ac.uk/handle/1826/11256.

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The research project describes the key mission and systems engineering trade-offs involved in the end-to-end design of an orbiting mission to the Moon, using a "Smaller, Faster, Cheaper" mission approach. This approach is extended to enable the design of a new payload - within the management, cost, schedule, and physical constraints - of the low cost lunar orbiter mission. The payload is designed to image the Moon's permanently dark regions that are believed to contain water ice. To determine the best cost reduction management and engineering approach, the principles for reducing space mission

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Jason, S. "End-to-end low cost space missions beyond earth orbit : a case study for the moon." Thesis, Cranfield University, 2001. http://dspace.lib.cranfield.ac.uk/handle/1826/11256.

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The research project describes the key mission and systems engineering trade-offs involved in the end-to-end design of an orbiting mission to the Moon, using a "Smaller, Faster, Cheaper" mission approach. This approach is extended to enable the design of a new payload - within the management, cost, schedule, and physical constraints - of the low cost lunar orbiter mission. The payload is designed to image the Moon's permanently dark regions that are believed to contain water ice. To determine the best cost reduction management and engineering approach, the principles for reducing space mission

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8

Piazza, Francesco. "Low power RF-receiver front-end ICs for mobile communications /." Zürich, 2000. http://e-collection.ethbib.ethz.ch/show?type=diss&nr=13669.

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Gu, Wei. "Low voltage regulator modules and single stage front-end converters." Doctoral diss., University of Central Florida, 2001. http://digital.library.ucf.edu/cdm/ref/collection/RTD/id/10000.

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University of Central Florida College of Engineering Thesis<br>Evolution in microprocessor technology poses new challenges for supplying power to these devices. To meet demands for faster and more efficient data processing, modem microprocessors are being designed with lower voltage implementations. More devices will be packed on a single processor chip and the processors will operate at higher frequencies, exceeding IGHz. New high performance microprocessors may require from 40 to 80 watts of power for the CPU alone. Load current must be supplied with up to 30A/us slew rate while keeping the

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10

Kim, Jeong Ki. "Low-Power RF Front-End Design for Wireless Body Area Networks." Diss., Virginia Tech, 2011. http://hdl.handle.net/10919/77097.

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Wireless body area networks (WBANs) have tremendous potential to benefit from wireless communication technology and are expected to make sweeping changes in the future human health care and medical fields. While the prospects for WBAN products are high, meeting required device performance with a meager amount of power consumption poses significant design challenges. In order to address these issues, IEEE has recently developed a draft of IEEE 802.15.6 standard dedicated to low bit-rate short-range wireless communications on, in, or around the human body. Commercially available SoC (System-on-C

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11

Huang, Te-Hsin Dogan Numan S. Arvas Ercument. "A low-power UHF subsampling receiver front-end in 0.35mum SOI CMOS." Related Electronic Resource: Current Research at SU : database of SU dissertations, recent titles available full text, 2003. http://wwwlib.umi.com/cr/syr/main.

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12

Qazi, Fahad. "RF Sampling by Low Pass ΣΔ Converter for Flexible Receiver Front End". Thesis, Linköping University, Department of Electrical Engineering, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-21465.

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<p>In today’s world the multi-standard wireless receivers are gaining more and more popularity. End-users want to access voice, data and streaming media from a single wireless terminal. An ideal approach for multi-standard receiver front-end is to digitize a wide band RF signal available from the antenna. All radio functions such as downconversion, demodulation and channel selection can be then performed in the digital domain. Analog to Digital Converter in such a case should guarantee very high linearity, speed and bandwidth specifications while consuming a lot of power. Unfortunately an ADC

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Ames, Nicoli M. (Nicoli Margret) 1978. "Design and use of a fixed-end low-load material testing machine." Thesis, Massachusetts Institute of Technology, 2000. http://hdl.handle.net/1721.1/33156.

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Thesis (S.B.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2000.<br>This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.<br>Includes bibliographical references (leaf 25).<br>The purpose of this low-load material testing machine is to provide students an opportunity to perform basic material tests on their own instead of watching a lab technician, thus improving the student's lab experience. The machine proposed is small, low cost, and easy to manufacture, assemble, and oper

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Tsui, Hau Yiu. "A 5 GHz integrated low-power CMOS RF front-end IC design /." View abstract or full-text, 2004. http://library.ust.hk/cgi/db/thesis.pl?ELEC%202004%20TSUI.

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OLAVE, ELIAS JONHATAN. "Development of low power front-end electronics for monolithic Active Pixel Sensors." Doctoral thesis, Politecnico di Torino, 2018. http://hdl.handle.net/11583/2713995.

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The next generation High Energy Physics experiments require the development of novel radiation sensor technologies adequate to cover very large areas and suitable for extreme radiation conditions. In this field, thanks to its incomparable properties, silicon is still nowadays the dominant semiconductor used to build tracking detectors for ionizing particles. In several experiments all around the world, it is used to cover very large areas with the intent of tracking and identifying the crossing particles generated during the experiments. Different topologies of silicon sensors can be used for

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Balachandran, Neerajnayan. "Low power memory controller subsystem IP exploration using RTL power flow : An End-to-end power analysis and reduction Methodology." Thesis, KTH, Skolan för elektroteknik och datavetenskap (EECS), 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-280095.

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With FinFET based Application Specific Integrated Circuit (ASIC) designs delivering on the promises of scalability, performance, and power, the road ahead is bumpy with technical challenges in building efficient ASICs. Designers can no longer rely on the ‘auto-scaling’ power reduction that follows technology node scaling, in these times when 7nm presents itself as a ‘long-lived’ node. This leads to the need for early power analysis and reduction flows that are incorporated into the ASIC Intellectual Property (IP) design flow. This leads to a focus on power-efficient design in addition to being

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Wang, Jiazhen. "Design of an Analog Front-end for Ambulatory Biopotential Measurement Systems." Thesis, KTH, Skolan för informations- och kommunikationsteknik (ICT), 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-37216.

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A critical and important part of the medical diagnosis is the montioring of the biopotential signals. Patients are always connected to a bulky and mains-powered instrument. This not only restricts the mobility of the patients but also bring discomfort to them. Meanwhile, the measureing time can not last long thus affecting the effects of the diagnosis. Therefore, there is a high demand for low-power and small size factor ambulatory biopotential measurement systems. In addtion, the system can be configured for different biopotential applications.The ultimate goal is to implement a system that i

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Zhang, Peilin Verfasser], Oliver [Akademischer Betreuer] Theel, Oliver [Akademischer Betreuer] [Kramer, and Olaf [Akademischer Betreuer] Landsiedel. "Improving end-to-end quality of service in low-power wireless sensor networks / Peilin Zhang ; Oliver Theel, Oliver Kramer, Olaf Landsiedel." Oldenburg : BIS der Universität Oldenburg, 2020. http://d-nb.info/121965311X/34.

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Zhang, Peilin [Verfasser], Oliver [Akademischer Betreuer] Theel, Oliver [Akademischer Betreuer] Kramer, and Olaf [Akademischer Betreuer] Landsiedel. "Improving end-to-end quality of service in low-power wireless sensor networks / Peilin Zhang ; Oliver Theel, Oliver Kramer, Olaf Landsiedel." Oldenburg : BIS der Universität Oldenburg, 2020. http://d-nb.info/121965311X/34.

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Guliyev, Elvin. "The Importance of Low-end-rheology and its Influence on Particle Slip Velocity." Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for petroleumsteknologi og anvendt geofysikk, 2013. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-23675.

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The study of effective cuttings transports and understanding fluid rheological properties is a major concern in the drilling industry. Poor hole cleaning can lead to cuttings accumulations inside the annulus, low rate of penetration (ROP), eccentric borehole, fluid loss and stuck pipe. However, introduction of low-shear-rate viscosity (low-end-rheology) mud system into drilling activities can significantly reduce aforementioned problems. In this study, both theoretical analysis and experimental investigation were performed to estimate effects of low-end-rheology mud on particle settling veloci

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Stegemann, Dirk [Verfasser], and Matthias [Akademischer Betreuer] Krause. "Selected Cryptographic Methods for Securing Low-End Devices / Dirk Stegemann. Betreuer: Matthias Krause." Mannheim : Universitätsbibliothek Mannheim, 2011. http://d-nb.info/1034286595/34.

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22

Cardoso, Catia Vanessa Varejao. "Observational properties of brown dwarfs : the low-mass end of the mass function." Thesis, University of Exeter, 2012. http://hdl.handle.net/10036/3592.

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Brown dwarfs are objects with sub-stellar masses that are unable to sustain hydrogen burning, cooling down through out their lifetimes. This thesis presents two projects, the study of the IMF of the double cluster, h & χ Persei, and the determination of the dynamical masses of the brown dwarf binary, ε Indi Ba, Bb. The study of a cluster’s population distribution gives us the opportunity to study a statistically meaningful population of objects over a wide range of masses (from massive stars to brown dwarfs), with a similar age and chemical composition providing formation and dynamical evoluti

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Shaker, Mohamed. "Design of Front End Circuits for a Low Power Ultra Wide Band Receiver." Thesis, University of Louisiana at Lafayette, 2015. http://pqdtopen.proquest.com/#viewpdf?dispub=3714137.

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<p> Wireless devices in both office and home are playing a significant role in today’s communication system. The most known communication gadgets include cellular telephone and wireless local area network (WLAN) peripherals. Wireless connectivity products main target is to provide data access at any time but at the lowest possible data rate. In the last few years, the demand for higher data is increasing because the wireless devices became more popular. The fast development in wireless technology in recent years would initiate a new era of communication networks enabling data access ever

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Leu, Jihperng, H. E. Tu, W. Y. Chang, et al. "Low-k SiCxNy Etch-Stop/Diffusion Barrier Films for Back-End Interconnect Applications." Universitätsbibliothek Chemnitz, 2016. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-qucosa-207243.

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Lower k and low-leakage silicon carbonitride (SiCxNy ) films were fabricated using single precursor by using radio-frequency (RF) plasma-enhanced chemical vapor deposition (PECVD). We explored precursors with (1) cyclic-carbon-containing structures, (2) higher C/Si ratio, (3) multiple vinyl groups, as well as (4) the incorporation of porogen for developing low-k SiCxNy films as etch-stop/diffusion barrier (ES/DB) layer for copper interconnects in this study. SiCxNy films with k values between 3.0 and 3.5 were fabricated at T≦ 200 o C, and k~4.0-4.5 at 300-400 °C. Precursors with vinyl groups y

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Fan, Ye. "Resistive Switching Behavior in Low-K Dielectric Compatible with CMOS Back End Process." Thesis, Virginia Tech, 2016. http://hdl.handle.net/10919/78172.

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In an effort to lower interconnect time delays and power dissipation in highly integrated logic and memory nanoelectronic products, numerous changes in the materials and processes utilized to fabricate the interconnect have been made in the past decade. Chief among these changes has been the replacement of aluminum (Al) by copper (Cu) as the interconnect metal and the replacement of silicon dioxide (SiO2) by so called low dielectric constant (low-k) materials as the insulating interlayer dielectric (ILD). Cu/low-k structure significantly decreases the RC delay compared with the traditional int

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Glew, David William. "Validating low carbon bio-renewable alternatives to petrochemicals : exploring end of life impacts." Thesis, University of York, 2012. http://etheses.whiterose.ac.uk/4641/.

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A need to reduce anthropogenic carbon emissions has prompted a trend for industry to switch from fossil to biorenewable feedstock, but it remains unclear if this is always a ‘low carbon’ decision. The concept that biomaterials can have lower greenhouse gas (GHG) emissions than petrochemicals has been grasped enthusiastically, however one aspect in particular has been somewhat overlooked when considering life time emissions; their disposal. Low carbon waste management is not a new concept, but its application to waste streams with high bio content is not well understood. This thesis employs mix

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Lai, Yi-Hsien, and 賴宜賢. "Low Power RF Front-End Study." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/77576413895954040574.

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碩士<br>國立清華大學<br>電機工程學系<br>93<br>The market of mobile wireless devices has rapidly expanded and that are being used increasingly around the life everywhere. To achieve wireless connectivity for inexpensive or disposable devices, low cost wireless arcitectures and transceiver. In this thesis we will study the fundamentals and possible architectures of RF Front-End. Hopefully they can be applied for integrated low power, low cost wireless applications. This thesis contains two parts. In first part, the RF performance of CMOS circuit under low current dissipation (below 1 mA) is study. A common g

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Yang, Chih-Wei, and 楊志偉. "LOW-VOLTAGE LOW-POWER 2.4GHz CMOS RF FRONT-END CIRCUITS." Thesis, 2003. http://ndltd.ncl.edu.tw/handle/98210434880764405901.

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碩士<br>大同大學<br>電機工程研究所<br>91<br>In this thesis, three types of fully integrated low-voltage low-power 2.4GHz CMOS RF front-end receivers have been designed with TSMC CMOS technology. The front-end receiver uses a low-IF architecture for higher level of integration and lower power consumption. The first type is a 1.5V receiver, including an LNA (Low Noise Amplifier), two downconversion mixers, and a quadrature VCO (Voltage-Controlled Oscillation). It achieves a gain of 26.5dB, a third-order input intercept point (IIP3) of -16dBm, a phase noise of -117dBc/Hz at 1MHz offset, and 54.6mW power con

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Wang, Jih-Hsin, and 王日新. "Low-Voltage Low-Power CMOS Radio Frequency Receiver Front-end Circuits." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/77904124724575450389.

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碩士<br>國立臺灣大學<br>電子工程學研究所<br>96<br>This thesis introduces the design issues and implementation of low-voltage low-power radio frequency receiver front-end circuits. To operate in heavily reduced supply voltage, different architectures and design techniques have been proposed. The thesis is organized by six chapters. The first chapter illustrates the current technology trend as an introduction. In chapter 2, the background knowledge for low-voltage low-power design is overviewed. In chapter 3, a low-voltage radio frequency transmit/receive switch is proposed. Using inductor/capacitor resonators

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Wang, Jih-Hsin. "Low-Voltage Low-Power CMOS Radio Frequency Receiver Front-end Circuits." 2008. http://www.cetd.com.tw/ec/thesisdetail.aspx?etdun=U0001-2808200816245500.

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Chen, Li-Chou, and 陳立洲. "A Low-Power Low-Noise Analog Front-End for ECG Acquisition System." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/2v6xt8.

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碩士<br>國立交通大學<br>電機學院電子與光電學程<br>104<br>In this Thesis, a low noise, small die size, low power consumption of programmable 0.18um CMOS analog front-end IC for biomedical signal acquisition is presented. The design deals with Electrocardiogram (ECG) while reject electrode offset, common mode offset and solve flicker noise by differential pair circuit and chopper stabilized technique with a current feedback operation amplifier. The analog front-end circuit contain three stage of amplifier, first stage of amplifier achieve 0.32 μVrms input referred noise and noise-efficient factor (NEF) of 2.42, se

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"Autonomous storage management for low-end computing environments." Thesis, 2011. http://hdl.handle.net/1911/70392.

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To make storage management transparent to users, enterprises rely on expensive storage infrastructure, such as high end storage appliances, tape robots, and offsite storage facilities, maintained by full-time professional system administrators. From the user's perspective access to data is seamless regardless of location, backup requires no periodic, manual action by the user, and help is available to recover from storage problems. The equipment and administrators protect users from the loss of data due to failures, such as device crashes, user errors, or virii, as well as being inconvenienced

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Seetharam, Adarsh. "Environment replay for low-end reactive embedded systems." 2005. http://www.lib.ncsu.edu/theses/available/etd-01062005-164347/unrestricted/etd.pdf.

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陳旻毅. "A Low-Power Low-Noise Analog Front-End for Portable ECG Acquisition System." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/09703584388524639872.

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碩士<br>國立交通大學<br>電子研究所<br>100<br>Due to aging population and increasing demands about the quality of medical treatment, remote medical treatment has been promoted constantly. However, to achieve the vision, we need to establish an acquisition system for physiological signals, which is small-size and portable. The most important block of the acquisition system is analog front-end. Because it determines whether the quality of signals are worthy of acquisition. In this work, an analog front-end circuit for ECG (Electrocardiogram) acquisition is implemented. Key to its performance is the AC-coupl

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Huang, Kuang-Hu, and 黃光虎. "Low-Voltag Low-Power Circuit and ARchitecture Designs for CMOS Receiver Front End." Thesis, 1999. http://ndltd.ncl.edu.tw/handle/69058804796659447796.

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博士<br>國立中央大學<br>電機工程研究所<br>87<br>The object of this research is to develop circuit and Architecture techniques for the front end of data receiver with low supply-voltage and low power-consumption. With the blooming progresses on personal communication services (PCS), the demands for portable equipment have been growing in orders recently. Thus, high-level integration on data communication VLSIs using CMOS technology is a prevail trend. It provides small-size and low-cost hand-held electronics. However, more power is consumed tha

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Tu, Chih-Chan, and 凃智展. "Design of Low-Power Low-Noise Analog Front-End Circuits for Biomedical Applications." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/56041215148181535372.

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碩士<br>國立臺灣大學<br>電子工程學研究所<br>101<br>The thesis presents the design of analog front-end circuits for biomedical applications. The analog-front-end circuit is the most critical building block in bio-potential monitoring SoC, since it should amplify very weak signals under noisy aggressors. The solutions to address these problems are described below: First, the front-end instrumentation amplifier should have HPF characteristics to filter out electrode offset. Second, the amplifier should achieve good balancing to resist 60Hz coupling from the mains. Finally, Dynamic Offset Cancelling (DOC) techniq

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Hsieh, Cheng-Ting, and 謝政廷. "Design of the Low-Power Low-Noise Analog Front End for Biomedical Application." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/49esjr.

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碩士<br>國立交通大學<br>電機工程學系<br>108<br>With the advance of technology recently, the traditional electrical engineering together with medical industry improves the biomedical industry. Doctors can treat patients more efficiently and let patients have a better life quality with the aid of electrical engineering. Integrated circuits are popular in the electrical industry, which can help doctors minimize the size of the wound and hence decrease the physical damage on human body when implanting chips into patients. This thesis is to propose an analog front end for cochlear implant application and an anal

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Chen, Jung-Sheng, and 陳榮昇. "Low-Noise X-Ray Detector Readout Front- End Design." Thesis, 2002. http://ndltd.ncl.edu.tw/handle/82956708824031968657.

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碩士<br>國立清華大學<br>工程與系統科學系<br>90<br>The purpose of the work is to design an integrated amplifier system to use with silicon photodiodes for soft X-ray counting. The amount of charge generated in silicon diodes from soft X-rays is very low and therefore, a low noise design is a major concern in this study. Moreover, for portable and miniature dosimeter applications, the circuit is to be powered by a single supply voltage and requires low power consumption. The amplifier circuit consists of a charge sensitive amplifier (CSA) and a pulse shaping circuit. Both stages are based on a f

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Tung-LinLi and 李東霖. "Design of Low Voltage RF Front-end Receiver Circuits." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/20335363935738862613.

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碩士<br>國立成功大學<br>電機工程學系<br>103<br>The aim of this thesis is to design low voltage RF front-end receivers, to achieve a low voltage supply and low power consumption system for wireless communication system. This thesis includes two receiver system designs at two chip implementations: a 1.2V, 2.4 GHz receiver and a 0.9V, 1.8GHz receiver, respectively. Both direct conversion receivers include four function blocks: The first function block of the receiver is a low noise amplifier (LNA) amplifying the signal with high quality and low noise. The second function block of the receiver, balance to unb

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Lin, Guan-Yu, and 林冠瑜. "Implementation of Robot Visual SLAM Using Low-End Cameras." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/22874595457068431819.

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碩士<br>淡江大學<br>機械與機電工程學系碩士班<br>100<br>Low-end camera has the advantages of standardized hardware and software interfaces with low prices as well as has the potential for a wide application in robotic system. However, the shortcoming is that the image acquisition rate of low-end camera is usually lower than 30Hz. Low image acquisition rate will cause the captured image to be blurred. Due to the limitations of real-time computation, the application of robot vision sensors usually only deals with low-resolution images. Therefore, the methods of enhancing the resolution and advanced image processin

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Lin, An-Po, and 林安坡. "Design of Low-voltage, Low-Power Analog Front-End Circuits for Digital Hearing Aids." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/95440875256054559228.

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碩士<br>國立中正大學<br>電機工程所<br>96<br>Abstract: Recently, the rapid expansion of the biomedical-electronic market has necessitated low-power and low-voltage biomedical systems. In this thesis, an analog front-end circuit including a single-ended Automatic Gain Control (AGC) and a fully differential preamplifier and AGC for digital hearing aid is presented. In order to achieve the low-voltage and low-power requirement, all MOS transistors are operated in weak inversion. The proposed circuits have been implemented in standard TSMC 0.18 um CMOS process. The single-ended AGC uses bulk-driven, gate d

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Ou, Feng-Fan, and 歐豐範. "Low Noise, Low Power 16-Channel Analog Front-End Circuit for Physiological Biopotential Measurement." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/51657213152750904450.

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碩士<br>國立交通大學<br>電控工程研究所<br>100<br>This thesis, aims to design and implement of a low noise, low power-consumption 16-channel electrophysiological signal analog front-end amplifier(AFE), it’s can be applied to various types of weak physiological signal acquisition and medical instrumentation systems applications. In modern biomedical systems, AFE circuitry plays an important role in physiological signal conditioning and processing. This thesis describes the design of the circuit through the National Chip Implementation Center TSMC 0.18um 1P6M CMOS standard process to produce the chips. Through

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Kuo, Liang-Ting, and 郭亮廷. "A Low-Power Low-Noise CMOS Current-Mode Front-End Amplifiers for Neural Recording." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/33406438849138079103.

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碩士<br>國立交通大學<br>電子研究所<br>100<br>This paper presents a single-ended-input current-mode front-end amplifier (CMFEA), and a differential-input CMFEA. The CMFEA is used for amplifying different kinds of biopotential signals such as ECoG, ECG, and EMG. These biopotential signals have the characteristics of small amplitudes, low frequency, and variability. The single-ended-input CMFEA which is fabricated in TSMC 0.18um CMOS process can adjust gain at three steps (44.5/ 50 /55.9 dB) digitally, bypass flowing-in dc offset current below 0.3Hz, and the low-pass corner of it can be tuned from 1K Hz to 10

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Lee, Zheng-dao, and 李政道. "A Low-Voltage CMOS RF Front-End Modules for Low Intermediate Frequency Transceiver Architecture." Thesis, 2001. http://ndltd.ncl.edu.tw/handle/75994584146672396328.

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碩士<br>國立中正大學<br>電機工程研究所<br>89<br>As the technologies in wireless communication have been progressed rapidly, many researchers explore the feasibility of using the CMOS technology to implement wireless transceiver systems. In this thesis, we proposed the circuit design and implementation of CMOS RF front-end modules for a low IF transceiver. The proposed modules consist of a low-noise amplifier (LNA), a mixer and a voltage-controlled oscillator (VCO). The LNA is implemented by the two-stage amplifying circuitry to increase its power gain and optimize the noise figure. The mixer is realized by t

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DWIVEDI, MAHEEP. "DESIGN OF ULTRA LOW VOLTAGE LOW NOISE ANALOG FRONT END FOR BIO-POTENTIAL SIGNALS." Thesis, 2016. http://dspace.dtu.ac.in:8080/jspui/handle/repository/14946.

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The information extracted from the bio-potential signals such as ECG, EEG, ECoG, ERG and ENG is extensively used for health care and medical treatment purposes. The use of bio-potential acquisition systems is not only limited to the hospitals but also extended to the homes for ubiquitous health care. Therefor the demand of portable bio-signal measurement system is increasing. The key constituent to this kind of systems is the analog front-end (AFE). The analog readout front-end extracts the bio-signals directly from human body through electrodes and defines the extracted signal quality.

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Wang, Po-Min, and 王柏閔. "Low Power RF Front-End Circuits for a Single-Path Low-IF BT-LE Receiver." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/71181956491583855418.

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Liu, Yen-Lin, and 劉燕霖. "Low-Voltage Low-Power 5-GHz Receiver Front-End Circuit Design for Wireless Sensor Networks." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/13482087189832994108.

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碩士<br>國立交通大學<br>電子工程系所<br>95<br>This thesis aims at design of a low-voltage low-power receiver front-end circuit applicable to wireless sensor networks. Two chips are realized. In the first chip, a low-power double-balanced mixer is designed in a folded topology. A transconductance stage with phase splitting function which is composed of a common-gate and common-source transistors is adopted for low power consideration. Output balanced condition, input matching, and noise of the transconductance stage are analyzed. Realized in 0.18-um CMOS technology, the measured input return loss and voltage

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Zhao, Wankang Whalley David B. "Reducing the WCET of applications on low end embedded systems." Diss., 2005. http://etd.lib.fsu.edu/theses/available/etd-07182005-105747.

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Thesis (Ph. D.)--Florida State University, 2005.<br>Advisor: Dr. David Whalley, Florida State University, College of Arts and Sciences, Dept. of Computer Science. Title and description from dissertation home page (viewed Sept. 29, 2005). Document formatted into pages; contains viii, 95 pages. Includes bibliographical references.

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Zhang, Guangzhao. "A Low-power Pipeline ADC with Front-end Capacitor-sharing." Thesis, 2012. http://hdl.handle.net/1807/32294.

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This thesis presents the design and experimental results of a low-power pipeline ADC that applies front-end capacitor-sharing. The ADC operates at 20 MS/s, resolves 1.5 bits/stage, and is implemented in IBM 0.13um technology. The purpose of the technique is to reduce power consumption in the front-end S/H. This work is a proof-of-concept and it concentrates on the front-end design. A comparison is conducted between a capacitor-sharing ADC and a regular ADC and as a result, the technique reduces the power consumption in the front-end S/H by 39%. At an input frequency of 9.53 MHz and a sampling

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Shih, Hung-Yu, and 施泓宇. "Low-Power Reconfigurable Analog Front-End Circuits for Biomedical Applications." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/28424217475741955330.

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碩士<br>國立臺灣科技大學<br>電機工程系<br>103<br>This thesis presents a novel fully reconfigurable low-power filter and an integrated reconfigurable analog front-end channel suitable for wearable or implantable biomedical and sensor applications. Floating-gate transistors are employed as analog memories that can be reconfigured to change circuit characteristics. The proposed reconfigurable filter consists a cascade of floating-gate transistor-capacitor (FGT-C) biquadratic sections that provide either lowpass or bandpass outputs. In the proposed biquadratic filter, all filter parameters including the gains,

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