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Dissertations / Theses on the topic 'Adaptive Reduction Techniques'

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1

Mukalaf, A. "Adaptive cancellation techniques for noise reduction in electrocardiography." Thesis, Keele University, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.380184.

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2

Fuller, Ryan Michael. "Adaptive Noise Reduction Techniques for Airborne Acoustic Sensors." Wright State University / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=wright1355361066.

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3

Kartha, Satish Chandrashekhar. "Active, Passive and Active/Passive Control Techniques For Reduction of Vibrational Power Flow in Fluid Filled Pipes." Thesis, Virginia Tech, 2000. http://hdl.handle.net/10919/31156.

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The coupled nature of vibrational energy flow in fluid filled piping systems makes its control and subsequent reduction a difficult problem. This work experimentally explores the potential of different active, passive and active/passive control methodologies for control of vibrational power flow in fluid filled pipes. Circumferential modal decomposition and measurements of vibrational power carried by individual wave types were carried out experimentally. The importance of dominant structural bending waves and the need to eliminate them in order to obtain meaningful experimental results has be
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4

Spalt, Taylor B. "Background Noise Reduction in Wind Tunnels using Adaptive Noise Cancellation and Cepstral Echo Removal Techniques for Microphone Array Applications." Thesis, Virginia Tech, 2010. http://hdl.handle.net/10919/34247.

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Two experiments were conducted to investigate Adaptive Noise Cancelling and Cepstrum echo removal post-processing techniques on acoustic data from a linear microphone array in an anechoic chamber. A point source speaker driven with white noise was used as the primary signal. The first experiment included a background speaker to provide interference noise at three different Signal-to-Noise Ratios to simulate noise propagating down a wind tunnel circuit. The second experiment contained only the primary source and the wedges were removed from the floor to simulate reflections found in a wind tunn
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5

Schultschik, Alwin [Verfasser], and Romanus [Akademischer Betreuer] Dyczij-Edlinger. "Adaptive model order reduction techniques for the broadband finite element simulation of electromagnetic structures / Alwin Schultschik. Betreuer: Romanus Dyczij-Edlinger." Saarbrücken : Saarländische Universitäts- und Landesbibliothek, 2013. http://d-nb.info/1052781470/34.

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6

Kandukuri, Somasekhar Reddy. "Spatio-Temporal Adaptive Sampling Techniques for Energy Conservation in Wireless Sensor Networks." Thesis, La Réunion, 2016. http://www.theses.fr/2016LARE0021/document.

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La technologie des réseaux de capteurs sans fil démontre qu'elle peut être très utile dans de nombreuses applications. Ainsi chaque jour voit émerger de nouvelles réalisations dans la surveillance de notre environnement comme la détection des feux de forêt, l'approvisionnement en eau. Les champs d'applications couvrent aussi des domaines émergents et sensibles pour la population avec les soins aux personnes âgées ou les patients récemment opérés dans le cadre. L'indépendance des architectures RCSFs par rapport aux infrastructures existantes permet aux d'être déployées dans presque tous les sit
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7

Miah, Tunu. "Vanishing windows : a technique for adaptive screen management." Thesis, Loughborough University, 1998. https://dspace.lboro.ac.uk/2134/27081.

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Windowing systems offer many benefits to users, such as being able to work on multiple tasks concurrently; or working with a number of windows, each connected to different remote machines or applications. Unless these windows are managed efficiently, users can easily become overwhelmed by the number of currently open windows and lose their way round the desktop. This can lead to a state where the desktop is cluttered with windows. At this stage "window thrashing" occurs, as users begin to perform window management operations (move, resize, minimise etc.) in order to locate relevant pieces of i
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8

Louvin, Henri. "Development of an adaptive variance reduction technique for Monte Carlo particle transport." Thesis, Université Paris-Saclay (ComUE), 2017. http://www.theses.fr/2017SACLS351/document.

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L’algorithme Adaptive Multilevel Splitting (AMS) a récemment fait son apparition dans la littérature de mathématiques appliquées, en tant que méthode de réduction de variance pour la simulation Monte Carlo de chaı̂nes de Markov. Ce travail de thèse se propose d’implémenter cette méthode de réduction de variance adaptative dans le code Monte-Carlo de transport de particules TRIPOLI-4,dédié entre autres aux études de radioprotection et d’instrumentation nucléaire. Caractérisées par de fortes atténuations des rayonnements dans la matière, ces études entrent dans la problématique
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9

Jaumouillé, Vincent. "Dynamique des structures à interfaces non linéaires : Extension des techniques de balance harmonique." Phd thesis, Ecole Centrale de Lyon, 2011. http://tel.archives-ouvertes.fr/tel-00670283.

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Cette étude porte sur la simulation dynamique de structures présentant des interfaces non linéaires et plus particulièrement sur le développement de diverses extensions à la méthode de balance harmonique. Cette méthode, qui permet le calcul de réponses vibratoires stationnaires, est basée sur l'approximation en série de Fourier tronquée de la réponse. En fonction de caractère plus ou moins non linéaire de la réponse, le nombre d'harmoniques à retenir pour approcher de façon satisfaisante la réponse peut être important et varier fortement sur l'ensemble de la plage de fréquence de simulation. U
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10

Tavares, Lucas Alves. "O envolvimento da proteína adaptadora 1 (AP-1) no mecanismo de regulação negativa do receptor CD4 por Nef de HIV-1." Universidade de São Paulo, 2016. http://www.teses.usp.br/teses/disponiveis/17/17136/tde-06012017-113215/.

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O Vírus da Imunodeficiência Humana (HIV) é o agente etiológico da Síndrome da Imunodeficiência Adquirida (AIDS). A AIDS é uma doença de distribuição mundial, e estima-se que existam atualmente pelo menos 36,9 milhões de pessoas infectadas com o vírus. Durante o seu ciclo replicativo, o HIV promove diversas alterações na fisiologia da célula hospedeira a fim de promover sua sobrevivência e potencializar a replicação. A rápida progressão da infecção pelo HIV-1 em humanos e em modelos animais está intimamente ligada à função da proteína acessória Nef. Dentre as diversas ações de Nef está a regula
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11

Lin, Po-Tsun, and 林柏村. "Performance Analysis of Multipath Interference Reduction with Adaptive Array Techniques." Thesis, 2000. http://ndltd.ncl.edu.tw/handle/26784509694941416862.

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碩士<br>逢甲大學<br>電機工程學系<br>88<br>Facing the problems in wireless communicaiton, including multipath-fading, limited bandwidth, and co-annelinterferences. Besides that, we also have to satisfy the requirement of the incresing number of subscribers. Thus, it becomes a necessary trend to design a smart antenna system. It can mitigate multipath fading, eliminate co-channel interferences, improve transmission efficiency and increase system capacity. The key point of it is to find a proper adaptive algorithm which can be used to change its pattern quickly and to the aim of SDMA. In this thes
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12

Lin, Guo-Yu, and 林國裕. "Test Time Reduction and Test Quality Improvement with Adaptive Testing Techniques." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/77071243547397751635.

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碩士<br>國立臺灣大學<br>電子工程學研究所<br>103<br>Due to the continuous shrinking of the device feature sizes and the growing number of transistors on a single chip, test cost is increasing dramatically. As a result, improving test quality with reasonable test cost becomes a challenging task. One popular adaptive test approach for reducing test cost is to reorder the test patterns according to their fault detection performance — by applying the more effective patterns first, the total test time can be significantly reduced. While very effective, the detection performance based approach fails to identify some
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13

Shahri, Jaideep Rajan. "Bit loading and peak average power reduction techniques for adaptive orthogonal frequency division multiplexing systems." 2004. http://etd.utk.edu/2004/ShahriJaideep.pdf.

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Thesis (M.S.)--University of Tennessee, Knoxville, 2004.<br>Title from title page screen (viewed Oct. 06, 2004). Thesis advisor: Mostofa K. Howlader. Document formatted into pages (91 p. : ill.). Vita. Includes bibliographical references (p. 83-90).
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14

Carrier, Courtney M. "Designing Waste Creating Space: A Critical Examination Into Waste Reduction Through Building Techniques, Architectural Design, and Systems." 2016. https://scholarworks.umass.edu/masters_theses_2/338.

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Can we design waste? This is a question I seek to answer through the research of design and systems. Waste is an ever evolving and growing issue in our world today. Buildings and the spaces we inhabit contribute to the vast destruction and increasing detriment to our natural world. There are many “remedies” in the construction industry that attempt to regulate building waste and inspire sustainability, but are merely ruses for a much deeper rooted problem than sustaining the way we live. Sustainability is not enough, it simply means we are doing less bad while still perpetuating the problem of
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15

"An Adaptive Time Reduction Technique for Video Lectures." Master's thesis, 2016. http://hdl.handle.net/2286/R.I.38760.

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abstract: Lecture videos are a widely used resource for learning. A simple way to create videos is to record live lectures, but these videos end up being lengthy, include long pauses and repetitive words making the viewing experience time consuming. While pauses are useful in live learning environments where students take notes, I question the value of pauses in video lectures. Techniques and algorithms that can shorten such videos can have a huge impact in saving students’ time and reducing storage space. I study this problem of shortening videos by removing long pauses and adaptively
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16

Rao, S. Venkateswara. "Modeling and analysis of OFDM with adaptive clipping technique for PAPR reduction." Thesis, 2007. http://ethesis.nitrkl.ac.in/4409/1/%E2%80%9CModeling_and_Analysis_of_OFDM_with.pdf.

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Orthogonal Frequency Division Multiplexing (OFDM) systems are better than single-carrier systems in multipath fading channel environment. OFDM systems are being adapted in many wire-line and wireless high data rate transmission systems of digital video broadcasting (DVB), IEEE 802.11, IEEE 802.16, HIPERLAN Type II, Digital Subscriber Line (DSL), and Home networking etc. There is also strong interest to use OFDM systems in 4G wireless systems. OFDM has recently received increased attention due to its capability of supporting high data rate communication in frequency selective fading environment
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17

Chih-Hsinh, Chang. "A NOISE REDUCTION TECHNIQUE BY ADOPTING SUBBAND ADAPTIVE FILTERING AND BEAMFORMING FOR HEARING AIDS SYSTEM." 2002. http://www.cetd.com.tw/ec/thesisdetail.aspx?etdun=U0022-1409200710324606.

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18

Chang, Chih-Hsinh, and 張智興. "A NOISE REDUCTION TECHNIQUE BY ADOPTING SUBBAND ADAPTIVE FILTERING AND BEAMFORMING FOR HEARING AIDS SYSTEM." Thesis, 2002. http://ndltd.ncl.edu.tw/handle/x4n5p7.

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碩士<br>國立成功大學<br>電機工程學系碩博士班<br>90<br>A NOISE REDUCTION TECHNIQUE BY ADOPTING SUBBAND ADAPTIVE FILTERING AND BEAMFORMING FOR HEARING AIDS SYSTEM Chih-Hsing Chang* Cheng-Chi Tai** Department of Electrical Engineering National Cheng Kung University, Tainan Taiwan R.O.C. ABSTRACT In this paper, a noise cancellation technique is proposed for hearing aids system. The proposed algorithm adopted subband adaptive filtering with combination of beamformer technique. The structure of conventional hearing aids is relatively simple. They amplify ambient sounds that include speech signal as well as no
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19

Jieng-Jang, Liu. "Frequency Adaptive Control Technique and its Application to Disk Wobble and Runout Reduction in Optical Disk Drives." 2004. http://www.cetd.com.tw/ec/thesisdetail.aspx?etdun=U0001-0406200415310800.

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20

Liu, Jieng-Jang, and 劉建章. "Frequency Adaptive Control Technique and its Application to Disk Wobble and Runout Reduction in Optical Disk Drives." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/29686863610269165033.

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博士<br>國立臺灣大學<br>機械工程學研究所<br>92<br>This dissertation proposes a novel adaptive controller, namely frequency adaptive control technique (FACT) for the cancellation of periodic disturbance with a slow varying or multi-fixed periods. The proposed adaptive scheme is equivalent to a linear controller and is constructed in a plug-in manner without altering the nominal closed-loop system configuration. A complete design and analysis for the compensation of periodic disturbance is achieved. The proposed adaptive algorithm is shown to be exponentially stable and the adaptive parameters are shown exper
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