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Dissertations / Theses on the topic 'PVT variations'

Author: Grafiati

Published: 4 June 2021

Last updated: 18 February 2022

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1

Altieri, scarpato Mauricio. "Estimation de la performance des circuits numériques sous variations PVT et vieillissement." Thesis, Université Grenoble Alpes (ComUE), 2017. http://www.theses.fr/2017GREAT093/document.

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La réduction des dimensions des transistors a augmenté la sensibilité des circuits numériques aux variations PVT et, plus récemment, aux effets de vieillissement, notamment BTI et HCI. De larges marges de sécurité sont donc nécessaires pour assurer un fonctionnement correct du circuit, ce qui entraîne une perte d'énergie importante. Les solutions actuelles pour améliorer l'efficacité énergétique sont principalement basées sur des solutions de type «Adaptive Voltage and Frequency Scaling (AVFS)». Cependant, ce type de solution ne peut anticiper les variations avant qu'elles ne se produisent. Ce

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2

Khalid, Muhammad Umer. "Multilevel Gain Cell Arrays for Fault-Tolerant VLSI Systems." Thesis, Linköpings universitet, Elektroniksystem, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-71653.

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Embedded memories dominate area, power and cost of modern very large scale integrated circuits system on chips ( VLSI SoCs). Furthermore, due to process variations, it becomes challenging to design reliable energy efficient systems. Therefore, fault-tolerant designs will be area efficient, cost effective and have low power consumption. The idea of this project is to design embedded memories where reliability is intentionally compromised to increase storage density. Gain cell memories are smaller than SRAM and unlike DRAM they are logic compatible. In multilevel DRAM storage density is increase

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3

Paul, Elizabeth S. "Pets in childhood : individual variation in childhood pet ownership." Thesis, University of Cambridge, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.385682.

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4

Arimoto, Maya. "Intra- and inter-observer agreement in the visual interpretation of interim 18F-FDG PET/CT in malignant lymphoma: influence of clinical information." Kyoto University, 2018. http://hdl.handle.net/2433/233833.

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5

Hester, Joshua C. (Joshua Colón). "Measuring clay property variation and effects on ceramic pot filter performance." Thesis, Massachusetts Institute of Technology, 2011. http://hdl.handle.net/1721.1/70755.

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Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Civil and Environmental Engineering, February 2012.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (p. 69-70).<br>Pure Home Water (PHW) is a non-profit organization in Ghana whose mission is to provide safe drinking water to Ghana's Northern Region - the poorest part of the country. Originally a distributor of ceramic pot filters (CPFs) manufactured in Accra, PHW began construction of a new factory outside of Tamale in late 2009 when it was recognized that importing filters from Accra was too ine

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6

Heck, Guilherme. "The impact of voltage scaling over delay elements with focus on post-silicon tests." Pontif?cia Universidade Cat?lica do Rio Grande do Sul, 2018. http://tede2.pucrs.br/tede2/handle/tede/8254.

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Submitted by PPG Ci?ncia da Computa??o (ppgcc@pucrs.br) on 2018-08-22T17:30:17Z No. of bitstreams: 1 GUILHERME HECK_TES.pdf: 7520580 bytes, checksum: 0abf48b5a455b7c50fa0b30109a1ee57 (MD5)<br>Approved for entry into archive by Sheila Dias (sheila.dias@pucrs.br) on 2018-08-23T12:09:32Z (GMT) No. of bitstreams: 1 GUILHERME HECK_TES.pdf: 7520580 bytes, checksum: 0abf48b5a455b7c50fa0b30109a1ee57 (MD5)<br>Made available in DSpace on 2018-08-23T13:31:43Z (GMT). No. of bitstreams: 1 GUILHERME HECK_TES.pdf: 7520580 bytes, checksum: 0abf48b5a455b7c50fa0b30109a1ee57 (MD5) Previous issue date: 2018-03-

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7

Jessee, Lance D., Austin Gause, and Blaine W. Schubert. "Intervertebral Variation of North American Pit Vipers (Squamata, Viperidae) Using Geometric Morphometrics." Digital Commons @ East Tennessee State University, 2019. https://dc.etsu.edu/asrf/2019/schedule/95.

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Within Pleistocene cave deposits, snake fossils tend to be relatively common and generally occur as isolated vertebrae. However, the specific, and sometimes generic, identification of isolated snake vertebrae is often hindered by the significant amount of intra- and interspecific variation along the precloacal vertebral column, a subject that has largely been neglected in many fossil snake identifications. Identifications are typically based on the vertebrae of disarticulated modern specimens with preference given to mid-trunk vertebrae. This study utilizes 2-D geometric morphometrics to deter

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8

Hutton, Brittany A. "Variation in Sound Production by the Pot-bellied Seahorse, Hippocampus Abdominalis, during Feeding." University of Cincinnati / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1504794445264358.

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9

Roche, Basile. "Caractérisation quantitative de la variation métabolique cérébrale : application à la comparaison de PET-SCANS." Thesis, Clermont-Ferrand 1, 2016. http://www.theses.fr/2016CLF1MM25/document.

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La Tomographie par Émission de Positons (TEP) est une méthode d'imagerie médicale nucléaire permettant de mesurer l'activité métabolique d'un organe par la dégradation d'un radio-traceur injecté. Cette méthode d'imagerie peut être utilisée pour l'observation de l'activité métabolique cérébrale à l'aide d'un radio-traceur adéquat, tel que le 18F-Fluorodésoxyglucose. Dans le cadre d'une étude clinique, des patients cérébro-lésés ayant des troubles de la conscience ont eu une chirurgie d'implantation d'électrodes de Stimulation Cérébrale Profonde (SCP). Afin d'effectuer un suivi des patients avan

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10

Daltry, Jennifer C. "The evolutionary biology of the Malayan pit viper Calloselasma rhodostoma : a study of the causes of intraspecific variation." Thesis, University of Bristol, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.244991.

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11

Nardin, Maxime. "Ajustement biologique du mélèze aux variations environnementales le long d’un gradient altitudinal : approche microdensitométrique de la réponse au climat." Thesis, Orléans, 2013. http://www.theses.fr/2013ORLE2071/document.

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La forte variation climatique, notamment de la température qui est associée à la distribution altitudinale de certains peuplements d’arbres forestiers peut induire des pressions de sélection divergentes favorisant l’expression de phénotypes différents en fonction de l’altitude. Cette thèse a pour objectif de déterminer si des adaptations locales existent et peuvent être mises en évidence dans un peuplement de mélèze (Larix decidua Mill.) distribué le long d’un gradient altitudinal situé dans les Alpes françaises, à proximité de Briançon. Quatre placettes d’environ 200 mélèzes ont été délimitée

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12

Kosiba, Andrea. "Effects of irradiation and temperature on shoot growth and development in Blue holly (Ilex x meserveae) /." SLU Alnarp : Department of Crop Science, Swedish University of Agricultural Sciences, 2005. http://epsilon.slu.se/200541.pdf.

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13

Nardin, Maxime. "Ajustement biologique du mélèze aux variations environnementales le long d'un gradient altitudinal : approche microdensitométrique de la réponse au climat." Phd thesis, Université d'Orléans, 2013. http://tel.archives-ouvertes.fr/tel-01062198.

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La forte variation climatique, notamment de la température qui est associée à la distribution altitudinale de certains peuplements d'arbres forestiers peut induire des pressions de sélection divergentes favorisant l'expression de phénotypes différents en fonction de l'altitude. Cette thèse a pour objectif de déterminer si des adaptations locales existent et peuvent être mises en évidence dans un peuplement de mélèze (Larix decidua Mill.) distribué le long d'un gradient altitudinal situé dans les Alpes françaises, à proximité de Briançon. Quatre placettes d'environ 200 mélèzes ont été délimitée

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14

Bussiere, Pierre-Olivier. "Etude des conséquences de l'évolution de la structure chimique sur la variation des propriétés physiques de polymères soumis à un vieillissement photochimique." Phd thesis, Université Blaise Pascal - Clermont-Ferrand II, 2005. http://tel.archives-ouvertes.fr/tel-00677818.

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L'exposition des polymères aux contraintes de leur environnement d'usage provoque une modification de la structure chimique des macromolécules qui se traduit par une évolution irréversible de leurs propriétés fonctionnelles. L'objectif majeur de cette thèse était de passer, dans la compréhension des phénomènes de photovieillissement, du niveau moléculaire au niveau macroscopique. Pour ce faire, trois polymères dont le vieillissement est gouverné par des réactions de réticulation et / ou de coupures de chaîne, ont été étudiés. Nous avons principalement développé l'utilisation de la microscopie

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15

Rückert, Nadja. "Studies on two specific inverse problems from imaging and finance." Doctoral thesis, Universitätsbibliothek Chemnitz, 2012. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-qucosa-91587.

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This thesis deals with regularization parameter selection methods in the context of Tikhonov-type regularization with Poisson distributed data, in particular the reconstruction of images, as well as with the identiﬁcation of the volatility surface from observed option prices. In Part I we examine the choice of the regularization parameter when reconstructing an image, which is disturbed by Poisson noise, with Tikhonov-type regularization. This type of regularization is a generalization of the classical Tikhonov regularization in the Banach space setting and often called variational regulariza

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16

Chang, Tsui Yun, and 張翠云. "Sensor-Based Time Speculation Adapting to PVT Variations." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/97052742507585875444.

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碩士<br>國立清華大學<br>資訊工程學系<br>104<br>Time speculation has been widely used to achieve high performance in modern design as it uses the strategy of average-case timing optimization instead of worst-case timing optimization focusing on reducing worst-case path delay which rarely happens. Variable-latency design style is one research category of time speculation. As the variations in process and environment are hard to predict, the conventional variable-latency units (VLUs) designed at pre-silicon stage will experience significant performance loss. In this paper, we propose a novel sensor-based VLU (

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17

Li, Jhih-Wei, and 李誌偉. "A cell-based on-chip silicon oscillator for frequency compensation with PVT variations." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/52930766505887646470.

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碩士<br>國立中正大學<br>資訊工程研究所<br>101<br>In this thesis, we explore the problems and challenges for a cell-based on-chip silicon oscillator (CBOCSO) with combination of process, voltage and temperature (PVT) variations at the same time. The proposed CBOCSO architecture can estimate the supply voltage and operation temperature at chip run time, and thus, it can eliminate PVT variations by the proposed methodology. In this way, the proposed CBOCSO can provide a stable frequency output as the reference clock for the system. In this thesis, we introduce various kinds of conventional on-chip silicon oscil

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18

Tseng, Hsin-Yuan, and 曾信遠. "Mixed-Voltage Output Buffers with Slew Rate Compensation Based on PVT Variation Detection." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/70138109958955814491.

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碩士<br>國立中山大學<br>電機工程學系研究所<br>100<br>This thesis is composed of two designs: a PT (process, temperature) detector for 2×VDD output buffer with slew rate compensation, and a slew rate self-adjusting 2×VDD output buffer with PVT compensation. In the first topic, a PT detector for 2×VDD output buffer with slew-rate compensa-tion is proposed. The driving current of 2×VDD output stages varies provided that the process and temperature conditions are different. For example, the driving current of 2×VDD output stage will be low at poor PVT corners. By contrast, the driving current will be high at good

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19

Chang-ChiehCheng and 鄭昌杰. "A PVT-Variation Tolerant and High Power-Efficient Sub-threshold SRAMs with Read Leakage Sensing." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/92h88w.

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碩士<br>國立成功大學<br>電機工程學系<br>102<br>Power consumption is one of important issues in power constraint applications such as wireless sensor networks (WSN). For these power constraint applications, we need a low power system-on-a-chip (SoC) to extend life time. In breakdown of power consumption, SRAMs are one of major sources of power consumption in the SoC. Scaling supply voltage into near-threshold or sub-threshold region is one of effective techniques to reduce power consumption. However, severe variations may occur in the near-threshold and the sub-threshold region. For a read-decoupled SRAM, re

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20

ZHONG, SHI-ZHONG, and 鍾世忠. "Partial variational principle (PVP) for waveguide discontinuity problems." Thesis, 1988. http://ndltd.ncl.edu.tw/handle/03142668733046529793.

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21

Tsou, Jie-Wen, and 鄒文傑. "Digital Low Dropout Regulator with Anti-PVT-Variation Technique for Dynamic Voltage Scaling and Adaptive Voltage Scaling Multi-core Processor." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/65537854981781684887.

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碩士<br>國立交通大學<br>電控工程研究所<br>105<br>Multi-core processor have been widely used in battery-operated portable systems, desktop, and server applications, where dynamic voltage scaling (DVS) and adaptive voltage scaling (AVS) techniques are commonly employed to lower power consumption and improve thermal performance of the cores. To maximize the energy efficiency of a processor when using DVS and AVS, it is highly desirable to independently control the supply and the clock frequency for each core. As the number of cores grows, fast, cost-effective, and energy-efficient DVS and AVS schemes become pro

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22

Stern, Steffen [Verfasser]. "Dynamical dark energy and variation of fundamental "constants" / put forward by Steffen Stern." 2008. http://d-nb.info/991641590/34.

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23

Robins, Steven Paul. "The quantification of grade uncertainty, and associated risk, and their influence on pit optimisation for the Sadiola deep sulphide prefeasability project." Thesis, 2008. http://hdl.handle.net/10539/5890.

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In order to quantify the uncertainty in the grade estimate for the Sadiola Deep Sulphide Prefeasibility Project a conditional simulation model was generated using Direct Block Simulation methodology. Compared to conventional Sequential Gaussian Simulation, the Direct Block Simulation algorithm produced a reliable model in significantly less time, lending its application to a production environment. Through application of a mining transfer function, risk pits were generated for comparison with the Deep Sulphide Prefeasibility pit. The results of this study revealed that the prefeasibili

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24

Chang, Hui-Ching, and 張惠晴. "Proteomic and glycomic analyses of venom geographic variations of Wagler''s pit vipers and king cobra." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/02725730039430967776.

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碩士<br>國立臺灣大學<br>生化科學研究所<br>100<br>Herein, we have investigated the geographic variations of Tropidolaemus wagleri from two regions and those of O. hannah from four regions by venom protein purifications, identification and biofuntional characterizations using the proteomic and glycomic approaches. Part I. Phospholipases A2 (PLA2s) were purified and characterized from Tropidolaemus wagleri venoms collected from Sulawesi and Sumatra. An active PLA2 and an inactive Lys49-like PLA2 could be isolated from each venom sample. Mass analyses and N-terminal sequences revealed that the PLA2 variants from

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25

Mokwana, Mabule Lizzy. "The melting pot in Ga-Matlala Maserumule with special reference to the Bapedi culture, language and dialects." Diss., 2009. http://hdl.handle.net/10500/3309.

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The dissertation tries to explain why most of the Bapedi people do not feel free to speak their language when they are among other communities. It explains why the speakers of the so-called ‘inferior’ dialects of the Limpopo Province have an inferiority complex while the speakers of the ‘superior’ dialects are confident when speaking their dialects. The standardisation of the Northern Sotho Language Board and the missionary activities within the Bapedi communities led to the creation of 'superior' and ‘inferior’ dialects. A detailed discussion is presented of the social rural and urban varie

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26

Yang, Zhan-Yu, and 楊展瑜. "Using 4-[18F]-ADAM measure serotonin transporter variations with HAMD scale related to major depressive disorder in CT/PET three-dimensional image." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/7y6952.

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碩士<br>國立臺北科技大學<br>電腦與通訊研究所<br>96<br>The medical image can be divided into two major classes that are anatomical image and functional image. Magnetic resonance image (MRI) and computed tomography (CT) belong to the anatomical image, which can show an outline of an organ and a tissue clearly. The functional image can show the image of the organ and the tissue metabolism situation. Positron emission tomography (PET) and single photon emission computed tomography (SPECT) are also part of the functional image. In this paper, we use 4-[18F]-ADAM to measure serotonin transporter changes and find the

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27

Hamon, J. "Oscillateurs et architectures asynchrones pour le traitement des signaux radio impulsionnelle UWB." Phd thesis, 2009. http://tel.archives-ouvertes.fr/tel-00481841.

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Cette thèse étudie les avantages et les potentiels offerts par le style de conception asynchrone (sans horloge) pour implémenter les traitements numériques de réception des signaux radio impulsionnelle à ultra large bande (UWB), dans le contexte applicatif des réseaux de capteurs. D'une part, des oscillateurs numériques asynchrones ont été étudiés pour réaliser l'implémentation de la base de temps nécessaire aux traitements de réception des signaux radio impulsionnelle, et d'autre part, des algorithmes et des architectures asynchrones de réception de ces signaux radio ont été proposés et valid

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Mairano, Paolo. "Rhythm typology: acoustic and perceptive studies." Phd thesis, 2011. http://tel.archives-ouvertes.fr/tel-00654261.

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Cette thèse traite la typologie rythmique, c'est-à-dire la catégorisation des langues en différentes classes sur la base de phénomènes rythmiques. Les études de ce domaine ont débuté avec Pike (1945) et Abercrombie (1967), qui ont introduit la célèbre dichotomie de langues à isochronie accentuelle (ou isoaccentuelles) et à isochronie syllabique (ou isosyllabiques). Depuis que de nombreuses études ont démenti les hypothèses d'isochronie syllabique et accentuelle, il a été proposé (cf. Bertinetto, 1981, et Dauer 1983) que l'impression perceptuelle d'isochronie soit issue des propriétés structure

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ČÍŽEK, Václav. "Návrh a výroba plastové součásti." Master's thesis, 2013. http://www.nusl.cz/ntk/nusl-135747.

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The theoretical part is focused on evaluation of chosen ?essential? plastics used in the car industry. The principles of construction and proportioning of plastic components, basic conception of injection moulding and measuration follow. Another section of the theoretical part presents a summary of possible CAD systems, which are used. The practical part is focused on a particular plastic moulding. It includes the main description of a component with its material choice in dependence on the component function. Another section contains evaluation of the component complexity from the viewpoint o

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