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Tesis sobre el tema "Sensors selection"

Autor: Grafiati

Publicado: 25 de mayo de 2024

Última modificación: 31 de julio de 2025

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1

Jean, Paul Bambanza. "iSEE:A Semantic Sensors Selection System for Healthcare." Thesis, Luleå tekniska universitet, Institutionen för system- och rymdteknik, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-59635.

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The massive use of Internet-based connectivity of devices such as smartphones and sensors has led to the emergence of Internet of Things(IoT). Healthcare is one of the areas that IoT-based applications deployment is becoming more successful. However, the deployment of IoT in healthcare faces one major challenge, the selection of IoT devices by stakeholders (for example, patients, caregivers, health professionals and other government agencies) given an amount of available IoT devices based on a disease(for ex-ample, Asthma) or various healthcare scenarios (for example, disease management, preve

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2

De, Mel Geeth R. "Intelligent resource selection for sensor-task assignment : a knowledge-based approach." Thesis, University of Aberdeen, 2014. http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?pid=215104.

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Today, sensing resources play a crucial role in the success of critical tasks such as border monitoring and surveillance. Although there are various types of resources available, each with different capabilities, only a subset of these resources are useful for a specific task. This is due to the dynamism in tasks' environment and the heterogeneity of the resources. Thus, an effective mechanism to select resources for tasks is needed so that the selected resources cater for the needs of the tasks. Though a considerable amount of research has already been done in different communities to efficie

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3

Riedmann, Michael. "Band selection using hyperspectral data from airborne and satellite sensors." Thesis, University of Southampton, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.398728.

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4

Ferré, Baldrich Joan. "Experimental design applied to the selection of samples and sensors in multivariate calibration." Doctoral thesis, Universitat Rovira i Virgili, 1998. http://hdl.handle.net/10803/9020.

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Els models de calibratge multivariant relacionen respostes instrumentals (per exemple, espectres) d'un conjunt de mostres de calibratge amb quantitats de variables físiques o químiques tals com concentració d'analit, o índexs (per exemple, el nombre d'octà en gasolines). Aquesta relació es fa servir per predir aquestes quantitats a partir de les respostes instrumentals de noves mostres desconegudes, mesurades de la mateixa manera. <br/><br/>La predicció emprant models de calibratge multivariants està esdevenint un pas comú en els procediments analítics. Per tant, l'habilitat del model de donar

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5

Johnson, Jeremy Ryan. "Fault propagation timing analysis to aid in the selection of sensors for health management systems." Diss., Rolla, Mo. : University of Missouri--Rolla i.e. [Missouri University of Science and Technology], 2008. http://scholarsmine.mst.edu/thesis/pdf/Johnson_09007dcc804bcda7.pdf.

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Thesis (M.S.)--Missouri University of Science and Technology, 2008.<br>Vita. The entire thesis text is included in file. Title from title screen of thesis/dissertation PDF file (viewed May 19, 2008) Degree granted by Missouri University of Science and Technology, formerly known as University of Missouri--Rolla. Includes bibliographical references (p. 39-41).

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6

Polyzos, Dimitrios. ""Measuring System Properties & Structured Diagnostics for the Selection of Sensors, Actuators Placement & Eigenstructure Assignment"." Thesis, City University London, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.524712.

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7

Akpolat, Hacer. "Improvement of Tomato Breeding Selection Capabilities using Vibrational Spectroscopy and Prediction Algorithms." The Ohio State University, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=osu1574812034661898.

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8

Lei, Hua. "Modeling and Data Analysis of Conductive Polymer Composite Sensors." Diss., CLICK HERE for online access, 2006. http://contentdm.lib.byu.edu/ETD/image/etd1577.pdf.

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9

Segal, Aleksandr V. "Iterative Local Model Selection for tracking and mapping." Thesis, University of Oxford, 2014. http://ora.ox.ac.uk/objects/uuid:8690e0e0-33c5-403e-afdf-e5538e5d304f.

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The past decade has seen great progress in research on large scale mapping and perception in static environments. Real world perception requires handling uncertain situations with multiple possible interpretations: e.g. changing appearances, dynamic objects, and varying motion models. These aspects of perception have been largely avoided through the use of heuristics and preprocessing. This thesis is motivated by the challenge of including discrete reasoning directly into the estimation process. We approach the problem by using Conditional Linear Gaussian Networks (CLGNs) as a generalization o

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10

Martins, Juliano Araújo. "Dados hiperespectrais para predição do teor foliar de nitrogênio em cana-de-açúcar." Universidade de São Paulo, 2016. http://www.teses.usp.br/teses/disponiveis/11/11152/tde-03052016-191304/.

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Uma das alternativas bastante abordada na literatura para a melhoria do gerenciamento da adubação nitrogenada nas culturas é o sensoriamento remoto, tendo destaque a utilização de sensores espectrais na região do visível e infravermelho. Neste trabalho, buscou-se estabelecer as relações existentes entre variações no teor foliar de nitrogênio (TFN) e a resposta espectral da folha de cana-de-açúcar, utilizando um sensor hiperespectral, com avaliações em três áreas experimentais do estado de São Paulo, com diferentes solos e variedades. Cada experimento foi alocado em blocos ao acaso, com parcela

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11

Danishvar, Morad. "Modelling and design of the eco-system of causality for real-time systems." Thesis, Brunel University, 2015. http://bura.brunel.ac.uk/handle/2438/12105.

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The purpose of this research work is to propose an improved method for real-time sensitivity analysis (SA) applicable to large-scale complex systems. Borrowed from the EventTracker principle of the interrelation of causal events, it deploys the Rank Order Clustering (ROC) method to automatically group every relevant system input to parameters that represent the system state (i.e. output). The fundamental principle of event modelling is that the state of a given system is a function of every acquirable piece of knowledge or data (input) of events that occur within the system and its wider opera

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12

Testoni, Alberto. "Progettazione ed implementazione di un sistema generale di Human Activity Recognition attraverso l'utilizzo di sensori embedded ed algoritmi di feature selection." Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2017. http://amslaurea.unibo.it/13267/.

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L'eccezionale sviluppo della microelettronica e dei sistemi informatici verificatosi nell'ultimo decennio ha consentito la nascita di sensori e dispositivi mobili con caratteristiche senza precedenti; l'elevata potenza di calcolo, il basso costo e le ridotte dimensioni hanno fatto diventare questi strumenti parte della nostra vita quotidiana. Gli smartphone dei nostri giorni integrano funzionalità di comunicazione ed elevate capacità computazionali e di sensing, attraverso un largo numero di sensori embedded. I dati provenienti dai sensori presenti sullo smartphone possono fornire informazioni

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13

Vergara, Tinoco Alexander. "Improving the performance of micro-machined metal oxide gas sensors: Optimization of the temperatura modulation mode via pseudorandom sequences." Doctoral thesis, Universitat Rovira i Virgili, 2006. http://hdl.handle.net/10803/8456.

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Un dels majors problemes experimentats pels sistemes de detecció de gasos basats en sensors d'òxids metàl·lics és la seva manca de reproduibilitat, estabilitat i selectivitat. A fi i a efecte d'intentar resoldre aquest problemes, diferents estratègies han estat desenvolupades en paral·lel. Algunes es relacionen a la millora dels materials i d'altres impliquen el condicionament o el pre-tractament de les mostres. Les més emprades han consistit en aprofitar que els sensors presenten sensibilitats solapades per construir matrius de sensors i emprar tècniques de processament del senyal o bé utilit

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14

Osborne, Michael A. "Bayesian Gaussian processes for sequential prediction, optimisation and quadrature." Thesis, University of Oxford, 2010. http://ora.ox.ac.uk/objects/uuid:1418c926-6636-4d96-8bf6-5d94240f3d1f.

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We develop a family of Bayesian algorithms built around Gaussian processes for various problems posed by sensor networks. We firstly introduce an iterative Gaussian process for multi-sensor inference problems, and show how our algorithm is able to cope with data that may be noisy, missing, delayed and/or correlated. Our algorithm can also effectively manage data that features changepoints, such as sensor faults. Extensions to our algorithm allow us to tackle some of the decision problems faced in sensor networks, including observation scheduling. Along these lines, we also propose a general me

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15

Tahirbegi, Islam Bogachan. "Electrochemical multi-sensors for biomedical applications." Doctoral thesis, Universitat de Barcelona, 2013. http://hdl.handle.net/10803/132092.

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In this thesis, pH and potassium all-solid-state ISE based on potentiometry and bioimpedance sensors were designed, fabricated and integrated in a miniaturized array for its application in endoscopic surgery for in vivo ischemia detection inside the stomach. To achieve this goal, the developed array withstood the low pH and corrosive condition in the gastric juice of the stomach, by modifying the surface with a conductive Ag/AgCl ink containing hydrophilic and hydrophobic groups. That creates a stable and robust candidate for low pH applications. However, these sensors have to demonstrate be

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16

Rigtorp, Erik. "Sensor Selection with Correlated Noise." Thesis, KTH, Reglerteknik, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-105136.

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We consider the problem of selecting k sensors out of m available (linear) sensors, so that the error in estimating some parameters is minimized. When the sensor noises are uncorrelated, the sensor selection problem can be (approximately) solved by a method recently suggested by Joshi and Boyd, which relies on a convex relaxation of the underlying combinatorial optimization problem. This thesis describes a non-trivial extension of the relaxation method to the case when the measurement noises are correlated, as occurs, for example, in a sensor scheduling problem in a dynamic system. We develop

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17

Reeves, Jack David. "Sensor selection for fault diagnostics." Thesis, University of Nottingham, 2018. http://eprints.nottingham.ac.uk/51780/.

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In the modern world, systems such as aircraft systems are becoming increasingly complex, often consisting of a large number of components. As no component is perfectly reliable, they can fail, some in many different ways, leading to a large number of potential component failures on complex systems. Component failures can have detrimental effects on the performance of the system, with some component failures even causing system failure, potentially damaging the system, or more importantly, potentially endangering human life. In order to be able to detect component failures on complex systems, t

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18

Nakisa, Bahareh. "Emotion classification using advanced machine learning techniques applied to wearable physiological signals data." Thesis, Queensland University of Technology, 2019. https://eprints.qut.edu.au/129875/9/Bahareh%20Nakisa%20Thesis.pdf.

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This research contributed to the development of advanced feature selection model, hyperparameter optimization and temporal multimodal deep learning model to improve the performance of dimensional emotion recognition. This study adopts different approaches based on portable wearable physiological sensors. It identified best models for feature selection and best hyperparameter values for Long Short-Term Memory network and how to fuse multi-modal sensors efficiently for assessing emotion recognition. All methods of this thesis collectively deliver better algorithms and maximize the use of miniatu

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19

Sánchez, Rodríguez Joan. "Sensors potenciomètrics selectius a tensioactius aniònics." Doctoral thesis, Universitat Autònoma de Barcelona, 2002. http://hdl.handle.net/10803/3139.

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Han estat preparats diversos sensors potenciomètrics basats en parells iònics insolubles (1:1) provinents de l'associació d'ions tensioactius, en particular el catió tetradodecilamoni i l'anió dodecilbenzesulfonat (DBS-). Els materials sensors, incorporats a una matriu polimèrica de clorur de polivinil (PVC) que contenia com a agent plastificant l'o-nitrofeniloctil èter, van ser aplicats sobre una resina conductora per tal de fornir elèctrodes sense solució interna de referència. La resposta d'aquests elèctrodes a dodecilsulfat (DS-) i DBS- així com la interferència de diversos anions inorgàni

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20

King, Beverley Ann. "Nitrate-selective electrodes with covalently bound sensors." Thesis, Sheffield Hallam University, 1985. http://shura.shu.ac.uk/19914/.

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Nitrate determination and ion-selective electrodes, with particular emphasis on the nitrate selective electrode, are reviewed. A new electrode for nitrate has been developed, by covalent attachment of appropriate sensor groups to a robust polymer matrix, with a view to improving the lifetime and the applications of the electrode to include hostile environments. The QAS (I) were prepared as sensor materials.(1) R' = R" = R''' = ethyl(2) R' = allylR" = R''' = methyl, ethyl, propyl(3) R' = R" = allylR''' = methyl, ethyl, propyl, butyl(4) R' = R" = R''' = allylX- = Cl, Br. (I) [diagram]. The produ

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21

Sundar, Meghana. "Sensor array optimization application of cluster analysis and genetic algorithms for sensor selection /." Diss., Online access via UMI:, 2007.

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Thesis (M.S.)--State University of New York at Binghamton, Thomas J. Watson School of Engineering and Applied Science, Department of Systems Science and Industrial Engineering, 2007.<br>Includes bibliographical references.

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22

Belford, R. E. "Principles and practice of hybrid pH sensors." Thesis, University of Edinburgh, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.356395.

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23

Wang, Hui-Chen. "Selective boronic acid fluorescent sensors for saccharide detection." Thesis, University of Bath, 2012. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.582865.

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Boronic acids in orgamc chemistry are extensively used as building blocks in coupling reactions. Moreover, boronic acids also act as Lewis acids which enable them to easily form reversible covalent complexes with sugars, amino acids and other Lewis base donors. Taking this unique characteristic that two phenylboronic acids separated by a six-carbon amino linker are especially selective for D-glucose. The major part of this research is to modify boronic acid sensors with various fluorophores and material supports, not just for saccharide detection, but also for other applications such as protei

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24

Zhang, Guangfan. "Optimum Sensor Localization/Selection In A Diagnostic/Prognostic Architecture." Diss., Georgia Institute of Technology, 2005. http://hdl.handle.net/1853/6846.

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Optimum Sensor Localization/Selection in A Diagnostic/Prognostic Architecture Guangfan Zhang 107 Pages Directed by Dr. George J. Vachtsevanos This research addresses the problem of sensor localization/selection for fault diagnostic purposes in Prognostics and Health Management (PHM)/Condition-Based Maintenance (CBM) systems. The performance of PHM/CBM systems relies not only on the diagnostic/prognostic algorithms used, but also on the types, location, and number of sensors selected. Most of the research reported in the area of sensor localization/selection for fault diagnosis focuses on qual

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25

Deliza, Rosires. "The effects of expectation on sensory perception and acceptance." Thesis, University of Reading, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.319245.

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26

Daunton, Rachael Hannah. "An ion selective microgripper sensor device." Thesis, Durham University, 2013. http://etheses.dur.ac.uk/9396/.

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This thesis presents the design, fabrication, characterisation and testing of a chemically modified electrothermally actuated microgripper. The chemical modification involves the integration of a potentiometric ion selective electrode (ISE) onto a bare electrode fabricated within the tip of the microgripper. This microgripper sensor device is intended for use in the application of detecting, in real time, the movement of key ions that are involved in intercellular communication from a mechanically stressed cell. An optimised fabrication route for the specifically designed microgrippers, which

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27

Taki, Nour. "Diagnosis of Soft Faults in Complex Wired Networks." Electronic Thesis or Diss., université Paris-Saclay, 2022. http://www.theses.fr/2022UPASG004.

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Les câbles électriques sont utilisés dans tous les secteurs pour transférer de l'énergie ou de l'information. Pendant le fonctionnement, les câbles peuvent être sujets à des défauts francs (circuit ouvert ou court-circuit) ou des défauts non-francs (endommagement de l'isolant, pincement, etc.) dus à une mauvaise utilisation, aux conditions environnementales ou au vieillissement. Ces défauts doivent être détectés à leur stade le plus précoce pour éviter une interruption de la fonction ou des conséquences plus graves. Parmi les méthodes de diagnostic des réseaux filaires qui ont été étudiées dan

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28

Ludowici, Charles John Henry. "Temporal Selection in Dynamic Displays: Sensory Information Persists Despite Masking." Thesis, The University of Sydney, 2019. https://hdl.handle.net/2123/22069.

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The visual system receives a dynamic stream of information, but it has a limited capacity and must deploy its resources to behaviourally relevant stimuli - a process referred to as “attention”. Rapid serial visual presentation (RSVP) is an experimental method for investigating attention’s time course by presenting a rapid sequence of stimuli at a single location. Attentional selection in both naturalistic viewing and RSVP is limited by masking, and many models of selection in RSVP assume that masking terminates sensory memory for stimuli that are no longer present. However, there is indirect e

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29

MORBEE, MARLEEN. "Optimized information processing in resource-constrained vision systems. From low-complexity coding to smart sensor networks." Doctoral thesis, Universitat Politècnica de València, 2011. http://hdl.handle.net/10251/12126.

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Vision systems have become ubiquitous. They are used for traffic monitoring, elderly care, video conferencing, virtual reality, surveillance, smart rooms, home automation, sport games analysis, industrial safety, medical care etc. In most vision systems, the data coming from the visual sensor(s) is processed before transmission in order to save communication bandwidth or achieve higher frame rates. The type of data processing needs to be chosen carefully depending on the targeted application, and taking into account the available memory, computational power, energy resources and bandwidth cons

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30

Yoo, Seung-jin. "Micromachined wavelength selective microbolometer sensors operating at room temperature /." Full text (PDF) from UMI/Dissertation Abstracts International, 2000. http://wwwlib.umi.com/cr/utexas/fullcit?p3004406.

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31

Liu, Deyang. "A selection algorithm for composing Web services in sensor network." Thesis, University of Ottawa (Canada), 2005. http://hdl.handle.net/10393/26959.

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Web services and sensor networks have been undergoing tremendous growth during the past few years. Integrating web services technology to sensor networks domain offers many advantages. For example, the existing Internet protocols can be used instead of designing proprietary ones, 3rd party can deliver value-added web services to end users easily, etc. However, wireless sensor networks are constrained by limited system resources, such as memory, power, and computation capacity. In this thesis, we propose a web service selection algorithm by introducing QoS-based cost function concept. The mecha

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32

Fraleigh, Lisa Marie. "Optimal sensor selection and parameter estimation for real-time optimization." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp01/MQ40050.pdf.

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33

Mirza, Atif R. "An architectural selection framework for data fusion in sensor platforms." Thesis, Massachusetts Institute of Technology, 2006. http://hdl.handle.net/1721.1/42369.

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Thesis (S.M.)--Massachusetts Institute of Technology, System Design and Management Program, February 2007.<br>Includes bibliographical references (leaves 97-100).<br>The role of data fusion in sensor platforms is becoming increasingly important in various domains of science, technology and business. Fusion pertains to the merging or integration of information towards an enhanced level of awareness. This thesis provides a canonical overview of several major fusion architectures developed from the remote sensing and defense community. Additionally, it provides an assessment of current sensors an

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34

Ahmed, Irfanuddin. "Energy Efficient Cluster Head Selection in Fixed Wireless Sensor Networks." ScholarWorks@UNO, 2006. http://scholarworks.uno.edu/td/476.

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Energy is the main bottleneck for wireless sensor networks and it has dominating effects on network lifetime. Sensors have finite energy and during the process of sensing and transmitting data to the cluster head they lose energy. Sensors that are furthest away from the cluster head require more energy than the closer ones. These losses of energy cause sensors to die faster, lower coverage area and hence network death. In this paper we investigate techniques to maximize the network lifetime by selecting the most optimal cluster head. The proposed technique is in context of cluster-based

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35

Mal-Sarkar, Sanchita. "Uncertainty Management of Intelligent Feature Selection in Wireless Sensor Networks." Cleveland State University / OhioLINK, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=csu1268419387.

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36

Back, Antoine. "Conception et intégration d'un convertisseur analogique-paramètres flexible pour les capteurs intelligents." Electronic Thesis or Diss., Institut polytechnique de Paris, 2022. http://www.theses.fr/2022IPPAT020.

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Avec le fort développement de l'Internet des Objets (IoT), il devient nécessaire de converger vers de nouveaux capteurs dit intelligents. Ces capteurs doivent permettre d'analyser l'environnement extérieur, comprendre le contexte dans lequel ils sont utilisés et être conscient des besoins utilisateurs. Ils doivent cependant rester petits, fiables, bon marché et avoir une autonomie de plusieurs années. La conversion analogique-paramètre (Analog-to-Feature, A2F) est une nouvelle méthode d'acquisition pensée pour les appareils IoT, et semble être une solution adaptée pour de tels capteurs. Cette

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37

Xu, Kebin. "Design of Phosphate Ion Sensors and an All-Solid pH Sensor and Construction of an Automatic Nutrient Solution Management System for Hydroponics." Kyoto University, 2020. http://hdl.handle.net/2433/253344.

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Kyoto University (京都大学)<br>0048<br>新制・課程博士<br>博士(農学)<br>甲第22508号<br>農博第2412号<br>新制||農||1078(附属図書館)<br>学位論文||R2||N5288(農学部図書室)<br>京都大学大学院農学研究科応用生命科学専攻<br>(主査)教授加納健司, 教授三芳秀人, 教授宮川恒<br>学位規則第4条第1項該当

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38

Xu, Ruisong. "Rational design, synthesis and characterization of response selective fluorescent sensors /." Available to subscribers only, 2007. http://proquest.umi.com/pqdweb?did=1342739831&sid=20&Fmt=2&clientId=1509&RQT=309&VName=PQD.

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39

Pilgrim, Alexandra J. "New redox-active crown ether sensors for selective ion recognition." Thesis, University of Oxford, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.308772.

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40

Bond, S. E. "The production of selective tin dioxide based semiconducting gas sensors." Thesis, Swansea University, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.636118.

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Previous work has produced a tin dioxide based semiconducting gas sensor which is selective to CO in the presence of the lower hydrocarbons. The sensing material comprises a mixture of bismuth oxide and tin dioxide. When this mixture is heated at 800<SUP>o</SUP>C all of the bismuth oxide is converted to bismuth stannate (Bi<SUB>2</SUB>Sn<SUB>2</SUB>O<SUB>7</SUB>). This reaction commences at ≃ 650°C. This is one of a group of mixed oxides having the formula M_2Sn_2O_7 which possess a pyrochlore structure. The thesis describes the characterisation of novel sensors. These were produced with the a

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41

Kataky, Ritu. "Ion-selective sensors applied to the analysis of blood electrolytes." Thesis, University of Newcastle Upon Tyne, 1988. http://hdl.handle.net/10443/805.

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Direct potentiometric techniques are becoming an invaluable analytical resource in the clinical laboratory. One important aspect of their use is determining or monitoring the activities of ions present in physiological media such as blood, urine, cerebral fluid, serum etc. This work is based, mainly, on the measurement of the blood electrolytes sodium, potassium, calcium and pH. Various automatic, multi-electrolyte, direct potentiometric, ion-selective analysers are available. The problem, to date, has been twofold - firstly different instruments give different results with the same sample and

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42

McCasland, William Neil. "Sensor and actuator selection for fault-tolerant control of flexible structures." Thesis, Massachusetts Institute of Technology, 1988. http://hdl.handle.net/1721.1/14459.

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43

Haboush, W. S. "Adaptive task selection using threshold-based techniques in dynamic sensor networks." Thesis, University of Kent, 2008. https://kar.kent.ac.uk/24027/.

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44

JIMMY, TJEN. "Entropy-Based Sensor Selection Algorithms for Damage Detection in SHM Systems." Doctoral thesis, Università degli Studi dell'Aquila, 2021. http://hdl.handle.net/11697/173561.

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It is often the case that small faults in a structure lead to irreparable damages that deliver a huge financial loss or even pose safety risks. Thus, an early fault detection is necessary, such that these unfortunate events can be avoided. In this thesis, the problem of structural damage detection is considered. In particular there are 3 main contributions: First, a novel sensors selection algorithm based on the concepts of entropy and information gain from information theory is developed, to reduce the number of sensors without affecting, or even improving, model accuracy; Second, a novel tec

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Yuen, Ka Ying Karen. "SMALL MOLECULAR SCAFFOLDS FOR THE SELECTIVE RECOGNITION OF ANIONS." Thesis, The University of Sydney, 2015. http://hdl.handle.net/2123/14487.

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Anions are ubiquitous in a myriad of chemical, biological and environmental processes. The ability to selectively recognise target anions in competitive solvents has potential uses in biomedical and environmental applications. Macrocyclic structures such as cyclic peptides in particular, provide excellent scaffolds for anionic recognition as they allow for a preorganised binding site; however, their synthesis is laborious and typically involves numerous purification steps. Therefore, the work described in this thesis focuses on the development of small molecular scaffolds for the selective rec

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Perez-Ramirez, Javier. "Relay Selection for Multiple Source Communications and Localization." International Foundation for Telemetering, 2013. http://hdl.handle.net/10150/579585.

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ITC/USA 2013 Conference Proceedings / The Forty-Ninth Annual International Telemetering Conference and Technical Exhibition / October 21-24, 2013 / Bally's Hotel & Convention Center, Las Vegas, NV<br>Relay selection for optimal communication as well as multiple source localization is studied. We consider the use of dual-role nodes that can work both as relays and also as anchors. The dual-role nodes and multiple sources are placed at fixed locations in a two-dimensional space. Each dual-role node estimates its distance to all the sources within its radius of action. Dual-role selection is then

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Wu, Yonggang. "Design, Synthesis and Characterization of Zinc(II)-Selective Ratiometric Fluorescent Sensors." Diss., Georgia Institute of Technology, 2007. http://hdl.handle.net/1853/19735.

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Zinc is an important micronutrient but the biological function of its labile form is poorly understood. Zinc selective fluorescence sensors, recognized as the major tool to gain information about the role of zinc in living systems, have been attracting more and more interest. The most promising solution currently being studied comes in the form of ratiometric sensors. Unlike sensors based on the switch-on mechanism, ratiometric sensors determine the free metal concentration directly from the ratio of the emission intensities at two wavelengths. The major restriction on the design of this type

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Savage, Nancy Ortins. "Development and characterization of high temperature, selective, titania-based gas sensors /." The Ohio State University, 2000. http://rave.ohiolink.edu/etdc/view?acc_num=osu1488203857249405.

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Gosangi, Rakesh. "Active Control Strategies for Chemical Sensors and Sensor Arrays." Thesis, 2013. http://hdl.handle.net/1969.1/151254.

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Chemical sensors are generally used as one-dimensional devices, where one measures the sensor’s response at a fixed setting, e.g., infrared absorption at a specific wavelength, or conductivity of a solid-state sensor at a specific operating temperature. In many cases, additional information can be extracted by modulating some internal property (e.g., temperature, voltage) of the sensor. However, this additional information comes at a cost (e.g., sensing times, power consumption), so offline optimization techniques (such as feature-subset selection) are commonly used to identify a subset of the

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Kuo, Jun-hao, and 郭峻豪. "Selection of the Optimal Sensors for Spectral Reconstruction." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/6ad7hx.

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碩士<br>國立臺灣科技大學<br>電子工程系<br>94<br>Generally, color matching function as sensor of color stimulus is the common way to do the spectral reconstruction. However, the result of reconstruction is not as good as using least square estimation (LSE ) method, and the choice of sensor is usually neglected in spectral reconstruction. This paper propose a method of choosing sensors which can pick out N sensors as the best set of M sensors .The simulation result shows that the method we proposed can improve the Spectral reconstruction obviously.

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