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Dissertations / Theses on the topic 'SpO2 sensor'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Carvalho, José Alberto Martins de. "Transimpedance amplifier for integrated SpO2 optic sensor." Master's thesis, Faculdade de Ciências e Tecnologia, 2013. http://hdl.handle.net/10362/10230.

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Dissertação para obtenção do Grau de Mestre em Engenharia Electrotécnica e de Computadores<br>The oxygen level in blood, usually referred as SpO2 (Saturation of hemoglobin with oxygen as measured by pulse oximetry) is an essential medical information. Measuring the oxygen level of the human blood using non- intrusive techniques is a vital achievement in modern medicine. This can be performed by processing the infrared and red light transmitted through the patient’s finger and received by a photoreceptor. Before being applied to an analog-to-digital converter (ADC), the incoming light has to

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2

Myint, Cho Zin. "A new electronic device for measuring pulse and oxygen concentration." Thesis, Curtin University, 2011. http://hdl.handle.net/20.500.11937/1788.

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Sensor devices such as pulse oximetry are practical tools used by most healthcare professionals, and even patients. An electronic sensor device that has the capability to measure physiological signs of saturation of arterial oxygen (SpO2) and heart beat rate of the human body has been developed in this study.The hardware design of the sensor device consists of a microcontroller PIC18F452, an external flash memory, and a transceiver unit. The most suitable sensors of red and infra red LEDs are installed on the arms of the plastic clip and functioned with the right resistor values. The red and i

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3

Okoun, Petr. "Optovláknové bodové senzory." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2016. http://www.nusl.cz/ntk/nusl-242021.

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This diploma thesis analyzes a structure of spot optical sensors with longitudinal grid and multiple Bragg grating and possibilities of spot optical sensors use and implementation in the industry. Basic principles of light propagation through optical environment are described in the introduction part, followed by description of phenomena in optical fibers and sensors. The distribution of fiber optic sensors and the use of optic fiber in spot mode is described further. The optical sensor system is designed on the basis of analysis with description of its construction at the end of this work. A

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Kumar, Sumeet Ph D. Massachusetts Institute of Technology. "Mobile sensor systems for field estimation and "hot spot" identification." Thesis, Massachusetts Institute of Technology, 2014. http://hdl.handle.net/1721.1/87977.

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Thesis: Ph. D., Massachusetts Institute of Technology, Department of Mechanical Engineering, 2014.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (pages 155-166).<br>Robust, low-cost mobile sensing enables effective monitoring and management of urban environment and infrastructure which contributes towards a sustainable future. While mobile sensor systems have attracted significant attention in recent years, a large scale deployment for urban infrastructure monitoring poses many research challenges. One fundamental challenge is dealing with noisy and uncontroll

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5

Roussel, Stephane M. "Sensor Integration for Low-Cost Crash Avoidance." DigitalCommons@CalPoly, 2009. https://digitalcommons.calpoly.edu/theses/184.

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This report is a summary of the development of sensor integration for low-cost crash avoidance for over-land commercial trucks. The goal of the project was to build and test a system composed of low-cost commercially available sensors arranged on a truck trailer to monitor the environment around the truck. The system combines the data from each sensor to increase the reliability of the sensor using a probabilistic data fusion approach. A combination of ultrasonic and magnetoresistive sensors was used in this study. In addition, Radar and digital imaging were investigated as reference signals a

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6

Al-Khateeb, Shadi A. "Fire Detection Using Wireless Sensor Networks." Youngstown State University / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=ysu1411471850.

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7

Holst, Thomas Arthur. "Analysis of spatial filtering in phase-based microwave measurements of turbine blade tips." Thesis, Available online, Georgia Institute of Technology, 2005, 2005. http://etd.gatech.edu/theses/available/etd-05192005-165732/.

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Thesis (M. S.)--Mechanical Engineering, Georgia Institute of Technology, 2006.<br>Littles, Jerrol W. Jr., Committee Member ; Johnson, W. Steven, Committee Member ; Kurfess, Thomas R., Committee Chair ; Melkote, Shreyes N., Committee Member.

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8

Zempoaltecatl, Lynnell Uilani Wai Yee. "Liquid Core Waveguide Sensors with Single and Multi-Spot Excitation." BYU ScholarsArchive, 2013. https://scholarsarchive.byu.edu/etd/3956.

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Using silicon based microfabrication and materials, a photonic platform, capable of single bioparticle analysis, has been developed. This platform combines liquid and hollow core waveguides on the micron-scale (5 µm x 12 µm) to isolate femtoliter sized sample volumes. Fluorescence excitation and signals in the visible range are directed into and out of the sample volume at an orthogonal angle to maximize signal-to-noise. In order to guide light in a low-index material antiresonant reflecting optical waveguides (ARROWs) were incorporated into the platform. This thesis reveals the development pa

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9

Kohutek, Jakub. "Integrace civilních bezpilotních prostředků do neřízeného vzdušného prostoru." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2011. http://www.nusl.cz/ntk/nusl-229446.

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The master’s thesis expresses an opinion on trends in UAV integration into non-segregated airspace issue. In the beginning, barriers to integration are characterized and a broader context is shown. Since necessity of the technical realization of the “see and be seen” principle exists, requirements for so called Sense and Avoid systems are presented. Various methods of Sense and Avoid are briefly described, highlighting their contribution to air safety and their potential for future development. The UAV communication topic is described in the last chapter, providing a list of the volume of tran

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10

Kolli, Phaneendra K. "Wireless Sensor Network for Structural Health Monitoring." Youngstown State University / OhioLINK, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=ysu1274304285.

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11

Mäkynen, A. (Anssi). "Position-sensitive devices and sensor systems for optical tracking and displacement sensing applications." Doctoral thesis, University of Oulu, 2000. http://urn.fi/urn:isbn:9514257804.

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Abstract This thesis describes position-sensitive devices (PSDs) and optical sensor systems suitable for industrial tracking and displacement sensing applications. The main application areas of the proposed sensors include automatic pointing of a rangefinder beam and measuring the lateral displacement of an object. A conventional tracking sensor is composed of a laser illuminator, a misfocused quadrant detector (QD) receiver and a corner cube retroreflector (CCR) attached to the target. The angular displacement of a target from the receiver optical axis is detected by illuminating the targ

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12

Chikhi, Yacine. "Reducing the Hot Spot Effect in Wireless Sensor Networks with the Use of Mobile Data Sink." ScholarWorks@UNO, 2006. http://scholarworks.uno.edu/td/365.

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The Hot Spot effect is an issue that reduces the network lifetime considerably. The network on the field forms a tree structure in which the sink represents the root and the furthest nodes in the perimeter represent the leaves. Each node collects information from the environment and transmits data packets to a "reachable" node towards the sink in a multi-hop fashion. The closest nodes to the sink not only transmit their own packets but also the packets that they receive from "lower" nodes and therefore exhaust their energy reserves and die faster than the rest of the network sensors.

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13

Kallem, Devi Shravanthi. "Design of a patient monitoring system using 3D accelerometer sensors." Manhattan, Kan. : Kansas State University, 2010. http://hdl.handle.net/2097/4132.

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14

El-Rasheed, Ahmed Mohamed Ahmed. "Development and testing of a multi-sensor on-line system for non-destructive examination of spot welding." Thesis, University of Liverpool, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.433030.

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15

Rada, Mihai Catalin. "Electrohydrodynamics (EHD) pumping of liquid nitrogen - application to spot cryogenic cooling of sensors and detectors." College Park, Md. : University of Maryland, 2004. http://hdl.handle.net/1903/212.

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Thesis (Ph. D.) -- University of Maryland, College Park, 2004.<br>Thesis research directed by: Mechanical Engineering. Title from t.p. of PDF. Includes bibliographical references. Published by UMI Dissertation Services, Ann Arbor, Mich. Also available in paper.

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16

Gong, Shengjie. "An Experimental Study on Micro-Hydrodynamics of Evaporating/Boiling Liquid Film." Doctoral thesis, KTH, Kärnkraftsäkerhet, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-50216.

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Study of liquid film dynamics is of significant importance to the understanding and control of various industrial processes that involve spray cooling (condensation), heating (boiling), coating, cleaning and lubrication. For instance, the critical heat flux (CHF) of boiling heat transfer is one of the key parameters ensuring the efficiency and safety of nuclear power plants under both operational and accident conditions, which occurs as the liquid layers (microlayer and macrolayer) near the heater wall lose their integrity. However, an experimental quantification of thin liquid film dynamics i

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17

Johnston, William S. "Development of a signal processing library for extraction of SpO2, HR, HRV, and RR from photoplethysmographic waveforms." Worcester, Mass. Worcester Polytechnic Institute, 2006. http://www.wpi.edu/Pubs/ETD/Available/etd-073106-130906/.

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Thesis (M.S.)--Worcester Polytechnic Institute.<br>Keywords: wearable medical sensors; arterial oxygen saturation; software development; embedded systems; heart rate; respiration rate; heart rate variability; pulse oximetry; digital signal processing Includes bibliographical references (leaves 125-133).

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18

Brum, Enéas Rodrigues. "Integração dos canais multiespectrais e pancromáticos do sensor HRV (SPOT) para obtenção de composições coloridas com resolução espacial próxima a 10 m." Instituto Nacional de Pesquisas Espaciais (INPE), 1989. http://urlib.net/sid.inpe.br/iris@1912/2005/07.19.01.27.44.

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Este trabalho relata os procedimentos metodológicos e os resultados alcançados com a fusão digital dos canais multiespectrais e pancromático do sensor HRV-SPOT. O método implementado para integração de imagens de diferentes resoluções e obtido através de um algoritmo baseado num modelo linear para o imageador. Os parâmetros desse modelo são extraídos a partir de curvas de responsividade espectral do sensor e de relações provenientes da estrutura espacial da cena. Esse algoritmo e testado e comparado com os métodos IHS e de CLICHE, os quais são descritos. Os resultados obtidos são satisfatórios

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19

Jahn, Wilfried. "Innovative focal plane design for high resolution imaging and earth observation : freeform optics and curved sensors." Thesis, Aix-Marseille, 2017. http://www.theses.fr/2017AIXM0331.

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Le besoin en haute performance en termes de qualité image, résolution et champ de vue accroît la complexité et le budget masse/volume des instruments optiques. Ces contraintes impactent toutes les applications: l’astronomie, la défense, les missions spatiales, la médecine, les objectifs d’appareil photos et caméras, les smartphones, les drones. Afin de résoudre cette problématique dans les instruments d’observation astronomique, je considère deux technologies : les optiques freeform et les détecteurs courbes, qui offrent une nouvelle ère pour le design de systèmes optiques.L’augmentation de la

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20

Prieto, herrera Rafael. "Développement d'une solution de répartition de la chaleur émise par les points chauds en co-intégration avec les technologies CMOS." Thesis, Université Grenoble Alpes (ComUE), 2018. http://www.theses.fr/2018GREAT113/document.

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On assiste aujourd’hui au développement massif des technologies nomades. L’utilisation de boîtiers compacts est ainsi en plein croissance, non seulement à cause des téléphones portables et tablettes, mais aussi à cause de l’introduction massive de l’électronique dans les appareils portables de la vie quotidienne. La microélectronique embarquée dans ces appareils représente le principal outil d’information et de communication des personnes avec le monde extérieur. Le rythme de développement de ces technologies dans les dernières années est tel que les possibilités d’utilisation des appareils po

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21

Ricchiuti, Amelia Lavinia. "Design and fabrication of customized fiber gratings to improve the interrogation of optical fiber sensors." Doctoral thesis, Universitat Politècnica de València, 2016. http://hdl.handle.net/10251/66343.

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[EN] Fiber grating sensors and devices have demonstrated outstanding capabilities in both telecommunications and sensing areas, due to their well-known advantageous characteristics. Therefore, one of the most important motivations lies in the potential of customized fiber gratings to be suitably employed for improving the interrogation process of optical fiber sensors and systems. This Ph.D. dissertation is focused on the study, design, fabrication and performance evaluation of customized fiber Bragg gratings (FBGs) and long period gratings (LPGs) with the double aim to present novel sensing

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22

Armstrong, Janell. "State of Secure Application Development for 802.15.4." BYU ScholarsArchive, 2009. https://scholarsarchive.byu.edu/etd/1776.

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A wireless sensor network consists of small, limited-resource embedded systems exchanging environment data and activating controls. These networks can be deployed in hostile environments to monitor wildlife habitats, implemented in factories to locate mobile equipment, and installed in home environments to optimize the use of utilities. Each of these scenarios requires network security to protect the network data. The IEEE 802.15.4 standard is designed for WSN communication, yet the standard states that it is not responsible for defining the initialization, distribution, updating, or managemen

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23

Ekblad, Ulf. "Earth satellites and air and ground-based activities." Doctoral thesis, KTH, Physics, 2004. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-3775.

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<p>This thesis, Earth satellites and detection of air andground based activities by Ulf Ekblad of the Physics departmentat the Royal Institute of Technology (KTH), addresses theproblem of detecting military activities in imagery. Examplesof various techniques are presented. In particular, problemsassociated with "novelties" and "changes" in an image arediscussed and various algorithms presented. The imagery usedincludes satellite imagery, aircraft imagery, and photos offlying aircraft.</p><p>The timely delivery of satellite imagery is limited by thelaws of celestial mechanics. This and other i

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24

Chvátal, Michal. "Řízení dodávky vody v rodinném domě." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2021. http://www.nusl.cz/ntk/nusl-442453.

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The diploma thesis deals with the design and implementation of the system that will control the water supply for the family house and its garden. The system aslo allows you to store a history that can be viewed via the web interface. The web interface also allows you to set system parameters and monitor the current status.

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25

Jordánová, Ivana. "Hodnocení tepové frekvence a saturace krve kyslíkem pomocí chytrého telefonu." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2018. http://www.nusl.cz/ntk/nusl-378033.

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26

Mejia, Sebastian Restrepo, and 萨沛廷. "Market Assessment for Pulse Oximeter Sensor (SpO2) in the second largest city in Colombia." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/hp8f66.

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碩士<br>臺北醫學大學<br>醫務管理學研究所<br>104<br>Background: Colombia is located in the northwestern part of South America, and it is the 4th largest country in South America after Brazil, Argentina and Peru. Colombian medical market profile is growing rapidly and its high-tech segment is almost entirely supplied by imported devices, while domestic manufacturers cover some share of the lower-end segment. The demand for instruments and electro-medical devices remains one of the leading drivers. The private sector is the largest buyer of higher-quality technology and it counts on modern facilities in the main

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Huang, Chung-Hsien, and 黃忠賢. "Micro Hot Spot and Micro Temperature Sensor Manufacturing Process." Thesis, 2003. http://ndltd.ncl.edu.tw/handle/36380394724773648807.

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28

Thutupalli, Shashi. "Smart sensor array: Spot assessment of DNA microarrays in real time /." 2005. http://proquest.umi.com/pqdweb?did=1257778591&sid=3&Fmt=2&clientId=12520&RQT=309&VName=PQD.

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29

Melnychuk, Amie. "Multi-Temporal Crop Classification Using a Decision Tree in a Southern Ontario Agricultural Region." Thesis, 2012. http://hdl.handle.net/10214/4037.

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Identifying landuse management practices is important for detecting landuse change and impacts on the surrounding landscape. The Ontario Ministry of Agriculture and Rural A airs has established a database product called the Agricultural Resource Inventory (AgRI), which is used for the storage and analysis of agricultural land management practices. This thesis explores the opportunity to populate the AgRI. A comparison of two supervised classi fications using optical satellite imagery with multiple single-date classifi cations and a subsequent multi-date, multi-sensor classi fication were used

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30

Dewitt, Bon Andrew. "The use of digital correlation to perform and assess image registration with SPOT 1 high resolution visible (HRV) sensor data." 1989. http://catalog.hathitrust.org/api/volumes/oclc/20959840.html.

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Thesis (Ph. D.)--University of Wisconsin--Madison, 1989.<br>Typescript. Vita. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references (leaves 237-259).

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31

Huang, Sheng-Min, and 黃聖閔. "Study of inhibition ability of antibodies for white spot syndrome virus(wssv) using CMOS-based microcantilever chip integrate temperature sensor." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/27122986129993731021.

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碩士<br>國立臺灣海洋大學<br>機械與機電工程學系<br>103<br>Taiwan is one of the major area of White Spot Syndrome Virus(WSSV) epidemic Southeast Asia, but there are no useful drugs or vaccines to against WSSV. Nowadays, the studies of medicines usually have been done by laboratory scale instruments, the results of experiments are correct, but this process wastes too much time and resources, nay, the results are not able to be observed immediately. As a result, we hope that this research will provide a bio-chip with high sensitivity and real-time detection, and it could record infection process of WSSV immediately.

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32

Esau, Travis. "DEVELOPMENT AND EVALUATION OF A PROTOTYPE VARIABLE RATE SPRAYER FOR SPOT-APPLICATION OF AGROCHEMICALS IN WILD BLUEBERRY FIELDS." 2012. http://hdl.handle.net/10222/14579.

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An automated prototype variable rate (VR) sprayer was developed for control of eight individual nozzles on a 6.1 m sprayer boom for spot-application (SA) of agrochemicals in wild blueberry fields. The VR control system consisted of eight ultrasonic sensors and four cameras mounted on a separate boom in front of the ATV, flow controller, VR controller, ruggedized computer, flow valve and solenoid valves. Custom software was capable of processing the images to detect weeds or plants in real-time and automatically send a signal to the VR controller for SA at the correct target. The performance of

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33

Wang, Chiu-Hua, and 王秋樺. "From Ecotourism Point of View to Evaluate the Adaptability of Choosing Outdoor Education Spot for Geography of Senior High School." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/89107523785140913794.

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碩士<br>臺灣大學<br>地理環境資源學研究所<br>96<br>In recent years, the development of Ecotourism is booming which can be scribed into below two main factors. One is increasing international touring activities and the other is the promotion from the academic. In the new guideline of the high school textbooks also can be found that field investigation and localization education are highly emphasized. Therefore, the trend of combining outdoor education and ecotourism should be much clearer in the near future. The object of this study is from ecotourism point of view to evaluate the proper sites for ou

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34

ABRMANOVÁ, Adéla. "Vnímání seniorů generací ve věku od 15 do 50 let." Master's thesis, 2011. http://www.nusl.cz/ntk/nusl-79983.

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I have compiled a diploma thesis "Perceptions of senior citizens by the generation aged 15 to 50 years." I am going to introduce this thesis in brief. I consider this topic as very up-to-date, which the whole of our society is concerned about. And this will become more important with the continuing population aging and the changing financial situation of the state. Currently, there has been discussion about views and attitudes of young people, who consider the seniors to be a burden on the country's economy and society. Young people think that seniors live at their expense. The thesis is divid

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35

Καρδαράς, Κωνσταντίνος Χ. "Μελέτη εφαρμογής για τη σύγκλιση και ενοποίηση αμφίδρομων ευρυζωνικών δικτύων για την παροχή ιατρικών υπηρεσιών με τη χρήση τηλεματικής στην υγεία". Thesis, 2006. http://nemertes.lis.upatras.gr/jspui/handle/10889/1188.

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Σκοπός της εργασίας είναι να μελετηθεί ο τρόπος, οι τεχνολογίες, οι υπηρεσίες και οι περιορισμοί οι οποίοι εμφανίζονται στην παροχή υπηρεσιών υγείας σε έκτακτα περιστατικά με τη χρήση τηλεματικής. Για την επικοινωνία των φορητών συσκευών παρακολούθησης των ασθενών με τους σταθμούς βάσης επιλέχθηκε το ασύρματο δίκτυο Wi-Fi για το οποιο μελετήθηκαν μια σειρά από παραμέτρους οι οποίες συμβάλουν είτε θετικά είτε αρνητικά κατά περίπτωση. Η παρακολούθηση και η αποστολή των κρίσιμων διοδυναμικών παραμέτρων ενός ασθενούς επιτεύχθηκε με τη χρήση φορητής/φορετής Βιοιατρικής ζώνης η οποία παρέχει

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