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Rozprawy doktorskie na temat „Filter technology”

Autor: Grafiati

Data publikacji: 3 czerwca 2025

Data aktualizacji: 31 lipca 2025

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1

González, Sánchez María Fernanda. "Separate treatment of wash water from sand filter using disc filter technology." Thesis, KTH, Mark- och vattenteknik (flyttat 20130630), 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-171843.

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The purpose of this study is to evaluate the convenience and effectiveness of using a disc filter to treat washing water from the sand filters at Sundet wastewater treatment plant. The disc filter is used aiming for the reduction of suspended solids and phosphorus. The study was divided in two main experimental stages. During the first stage laboratory jar-tests were performed in order to identify which flocculation aid was more suitable, this was further on used to improve the water treatment. Based on the laboratory trials results, two different polymers (1 and 2) were chosen to be tested at

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Eghbali, Amir. "Contributions to Reconfigurable Filter Banks and Transmultiplexers." Doctoral thesis, Linköpings universitet, Elektroniksystem, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-60929.

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A current focus among communication engineers is to design flexible radio systems to handle services among different telecommunication standards. Thus, lowcost multimode terminals will be crucial building blocks for future generations of multimode communications. Here, different bandwidths, from different telecommunication standards, must be supported. This can be done using multimode transmultiplexers (TMUXs) which allow different users to share a common channel in a time-varying manner. These TMUXs allow bandwidth-on-demand. Each user occupies a specific portion of the channel whose locatio

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Gurrapu, Omprakash. "Adaptive filter algorithms for channel equalization." Thesis, Högskolan i Borås, Institutionen Ingenjörshögskolan, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:hb:diva-19219.

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Equalization techniques compensate for the time dispersion introduced bycommunication channels and combat the resulting inter-symbol interference (ISI) effect.Given a channel of unknown impulse response, the purpose of an adaptive equalizer is tooperate on the channel output such that the cascade connection of the channel and theequalizer provides an approximation to an ideal transmission medium. Typically,adaptive equalizers used in digital communications require an initial training period,during which a known data sequence is transmitted. A replica of this sequence is madeavailable at the re

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Corrales, López Edén. "Analysis and Design of Bulk Acoustic Wave Filters Based on Acoustically Coupled Resonators." Doctoral thesis, Universitat Autònoma de Barcelona, 2011. http://hdl.handle.net/10803/42011.

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El ràpid creixement dels sistemes de telecomunicacions sense fils ha portat a una creixent demanda de dispositius mòbils amb requisits cada vegada més estrictes per als filtres de microones incloent un millor rendiment, miniaturització i la reducció de costos. Una nova tecnologia de filtres de RF s’ha consolidat en l'última dècada: la tecnologia BAW. Els filtres BAW són perfectament adequats com a filtres miniaturitzats i d'alt rendiment per a aplicacions d'alta freqüència. En comparació amb la tecnologia SAW, els filtres BAW proporcionen menors pèrdues d'inserció, una millor selectivitat, com

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5

Wang, Wei. "Implementation of a Filter and Multiplier for Next Generation Transceivers." Thesis, KTH, Skolan för informations- och kommunikationsteknik (ICT), 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-92239.

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A new sub-sampling technology is presented to greatly lower the sampling frequency of the transceivers with wideband inputs. The innovation of the theory is the flexible selection and conversion of any single band out of a multiband spectrum. According to the theoretical work on a sub-sampling wideband receiver, such a technology enables demodulation of wideband inputs with a sampling frequency much lower than the carrier frequencies, and converts the band of interest to a low frequency band simultaneously. The purpose is to make it easier for the subsequent ADC to process a single band when a

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6

Ramadugu, Jaya Chandra. "Design of Microwave Band Stop and Band Pass Filters Based on BST Thin Film Varactor Technology." University of Dayton / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=dayton1386695003.

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PETTERSSON, EMILIE, and NI GIAN LIEU. "Elektriskt ledande filter : funktionoch prestanda." Thesis, Högskolan i Borås, Institutionen Textilhögskolan, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:hb:diva-17365.

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Denna rapport ger en bild över luftfilteroch dess funktioner. Syftet med arbetet var att undersöka hur elektriskt ledande luftfilter tillsammans med en joniseringsenhet fungerar samt hur de står sig i förhållande till de mekaniska.Det låg även i syftet att titta på hur andra parametrar påverkar filtrering såsom tjocklek och innehåll av olika andel konduktivt material. Bakgrunden till arbetet var att VokesAir AB hade testat att tillverka elektriskt ledande filter med jonisering i filtret vilket hade fungerat i lite skala men inte i större. Det gjorde att man i detta arbete ville titta på om det

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Li, Heli. "RF LOW PASS FILTER DESIGN AND FABRICATION USING INTEGRATED PASSIVE DEVICE TECHNOLOGY." Master's thesis, University of Central Florida, 2006. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/4340.

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In this thesis, the whole process of design a low pass filter (LPF) for the wireless communication application has been presented. Integrated passive device technology based on GaAs substrate has been utilized to make the LPF. Schematic simulation and electromagnetic simulations are extensively used in the design process. EM simulation is used in the selection of layout design and processing parameters for design optimization of both the inductors and IPD harmonic filters. The effective use of EM simulation enables us to realize the successful development of high performance harmonic filters.

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DePalma, Julia E. "The Filter: Social Media and Their Effects on Human Interaction." Kent State University Honors College / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=ksuhonors1525694435239416.

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Sjöberg, Patrik. "Design and Implementation of an Exogenous Kalman Filter for UAVs." Thesis, KTH, Skolan för elektroteknik och datavetenskap (EECS), 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-232184.

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State estimations for nonlinear systems are often done using the ExtendedKalman Filter (EKF), which has good performance in terms of minimum variancefor the estimation error. However, global stability is not guaranteed,and the filter has a risk of becoming unstable. A recent paper proposes theeXogenous Kalman Filter (XKF), which combines the stability properties of anonlinear observer and the performance of the Kalman filter. The combinationof the two observers leads to better stability while the accuracy of the estimationsis maintained. The topic of this thesis is the design and implementatio

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11

Akra, Mirna. "Etude de filtres RF planaires miniatures. Amélioration de la réjection hors-bande et accordabilité." Thesis, Grenoble, 2014. http://www.theses.fr/2014GRENT024/document.

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Le but de ce travail était de développer des filtres passe-bande RF dans la technologie de PCB, avec trois objectifs principaux. Le premier objectif était de développer des formules de synthèse tosimplify la procédure de conception du filtre. Le deuxième était de parvenir à un rejet wideout bande sans modifier les caractéristiques de la bande de filtrage. Le troisième objectif est de contrôler la fréquence centrale du filtre en utilisant diode varicap<br>The purpose of this work was to develop RF bandpass filters in PCB technology,with three main objectives. The first objective was to develop

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12

Balachandran, Ganesh Kumar. "A switched-current filter in digital-CMOS technology with low charge-injection errors." Diss., Georgia Institute of Technology, 2001. http://hdl.handle.net/1853/15405.

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WU, Xiangyang. "Mobile Technology as Interface to Public Space." Thesis, KTH, Urbana och regionala studier, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-220327.

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The main idea is to make a short film about mobile technologies and the changing relationships between us and the public space under the age of these technologies. Some people might blame those mobile technologies like smart phones for separating us from each other. In my view, however, we cannot ask those technologies to take all the responsibilities, because new technologies will not be put into the market unless the society needs them. These technologies do change our perceptions on the public space in some ways, but there must be some deeper reasons behind. Based on the analogy of mobile t

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14

Wallebäck, Peter. "Fuel Level Estimation for Heavy Vehicles using a Kalman Filter." Thesis, Linköping University, Department of Electrical Engineering, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-15702.

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<p>The object with this project is to develop a more accurate way to measure the level in the fuel tank in Scaniavehicles. The level should be displayed for the driver and a warning system be implemented to make the driveraware if the fuel level is too low. Furthermore a main goal is to develop an estimation of the distance that thevehicle could travel before refueling is needed.The fuel level estimation system is modeled using Matlab Simulink and simulated with measurement datacollected from real driving scenarios. After evaluating the system it is implemented in one of the electricalcontrol

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15

Ottosson, Marcus, and Mats Lundberg. "Prestanda på luftfilter : En jämförelse mellan olika filter till bil." Thesis, Växjö University, School of Technology and Design, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:vxu:diva-962.

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<p>This reports goal is the give BSR AB more information that's useful towards their customers in marketing of their products.</p><p>It involves tests of different air filters designed for cars and 3D-modelling of Opti-Flow systems. The three models thats being tested is SAAB (93SS), VAG (1.8T) and Volvo (S60). To every brand there are three different models. A orginal- , sport- and an open cone air filter (Opti-Flow).</p><p>The results indicate that the open Opti-Flow filter has better performance compared to the other cased filters. The sport filters for SAAB and Volvo has better performance

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Andersson, Egerlid Axel, and Fredrik Westin. "Design of filter cloth analyser : Development of a portable filter cloth selection tool for filters used to regenerate the acid used in the pickling process during the production of stainless steel." Thesis, Luleå tekniska universitet, Institutionen för ekonomi, teknik och samhälle, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-71474.

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The stainless steel industry is an industry which manufactures one of the most used ma-terials in the world. Even though the vast size of the industry many might not reflect werethe steel comes from when buying their IKEAcutlery etc. But in fact this industry is moreintricate and complex than one might think.During the manufacturing process, the steelgoes through several processes. One of thoseprocesses is done by treating the steel withstrong acid. This chemical process is calledpickling. The pickling process is what createsthe characteristic smooth and shiny surface ofa product made in stain

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17

Spindler, Mario. "Cu-basierte Metallisierungen für leistungsbeständige SAW-Filter im GHz-Bereich." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2013. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-101238.

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Die vorliegende Dissertation beschäftigt sich mit der Verbesserung der Leistungsbeständigkeit von Interdigitalwandlern für zukünftige SAW-Bauelemente durch die Verwendung von kupferbasierten Fingerelektroden. In Bezug auf die Akustomigration, d.h. der Elektrodenschädigung infolge hochzyklischer SAW-Belastung, besitzt Kupfer im Vergleich zu standardmäßig eingesetztem polykristallinem Aluminium eine erhöhte Beständigkeit. Diese lässt sich weiter verbessern, indem die Grenzﬂächen der Fingerelektroden gegen die durch SAW-Belastung auftretende Loch- und Hügelbildung stabilisiert werden. Das Ziel be

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Larsson, Hannes. "Deep Reinforcement Learning for Cavity Filter Tuning." Thesis, Uppsala universitet, Avdelningen för beräkningsvetenskap, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-354815.

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In this Master's thesis the option of using deep reinforcement learning for cavity filter tuning has been explored. Several reinforcement learning algorithms have been explained and discussed, and then the deep deterministic policy gradient algorithm has been used to solve a simulated filter tuning problem. Both the filter environment and the reinforcement learning agent were implemented, with the filter environment making use of existing circuit models. The reinforcement learning agent learned how to tune filters with four poles and one transmission zero, or eight tune-able screws in total. A

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19

Larsson, Tony. "Development of Action Camera Accessory With Integrated ND Filter and Water Repellant Functionality." Thesis, KTH, Skolan för industriell teknik och management (ITM), 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-217838.

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Action cameras is a recently emerged sub-segment of cameras that focuses on videography indemanding environments. Typical use cases include various types of sport and drone footage.Two factors that frequently affect the image quality of these cameras negatively are excessively strong sunlight, and water droplets beading in front of the lens. In this work the question of whether or not it is possible to design an accessory that solves these problems is investigated. The technology for mitigating excessive light was provided at the outset of the project, leaving the question of integration open.

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Rufianto, Muhammad Haky. "State Prediction for Haptic Remote Teleoperation - A Kalman Filter ApproachState Prognos för haptisk Remote teleoperation – en metod baserad på Kalman-filter." Thesis, KTH, Skolan för datavetenskap och kommunikation (CSC), 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-189155.

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Teleoperation system is an important tool to control a device or model in an isolated area remotely where the operator cannot perform the task locally. The vast majority of teleoperation systems provides the operator with visual and haptic control to accomplish the assignment as naturally as possible. However, on a teleoperation system with considerable distance, the time delay could cause a drop in performance. This thesis aims to minimize delay problem by implementing a prediction approach using Kalman Filter. Kalman Filter algorithm has been widely used to estimate user movement for trackin

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21

Hummerhielm, Linda. "Biolayer development in a slow sand filter in Ghana : Designing a filter that is benefiting the biolayer development under local conditions." Thesis, Karlstads universitet, Fakulteten för hälsa, natur- och teknikvetenskap (from 2013), 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-62601.

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In 2015, the United nations presented the 17 Global Goals that would put an end to extreme poverty, inequality and climate change by 2030. One of these goals was clean water and sanitation. In 2015 1.8 billion people did not have access to clean water. Because of the contaminated water, one million people die every year worldwide. Africa, and especially Ghana, has had a high development in the recent years. The population has grown and more resources are needed. Clean water in Ghana is not a given matter, three million people live without access to clean water. To work towards the Global Goal

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Berka, Petr. "Snímání scény pomocí USB a FireWire kamer." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2008. http://www.nusl.cz/ntk/nusl-217203.

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This diploma thesis deals with a interface USB and FireWire cameras to a computer through a technology called DirectShow. I used mostly a development kit „MontiVision“, which cooperates with a programming environment as is e.g. Microsoft Visual C++. You find here how to use a direct pixel access, how to get singles photos from a video, how to set up and calibrate a camera and how can look a particular application of the image processing. I wrote an introduction to the stereo-vision above the frame of my task. This thesis is like a manual for students. It includes my personal experiences and ex

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Gundala, JayaKrishna. "A study on the decimation stage of a Δ-Σ ADC with noise-shaping loop between the stages". Thesis, Linköpings universitet, Elektroniksystem, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-69319.

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The filter complexity in the multi-stage decimation system of a Δ-Σ ADC increases progressively as one moves to higher stages of decimation due to the fact that the input word length of the higher stages also increases progressively. The main motivation for this thesis comes from the idea of investigating a way, to reduce the input word length in the later filter stages of the decimation system which could reduce the filter complexity. To achieve this, we use a noise-shaping loop between the first and later stages so that the input word length for the later stages remains smaller than in the c

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Wang, Xiaolin [Verfasser]. "High Resolution 3D Nanoimprint Technology : Template Fabrication, Application in Fabry-Pérot-filter-based Nanospectrometers / Xiaolin Wang." Kassel : Kassel University Press, 2011. http://d-nb.info/101804602X/34.

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Dharmalingam, Arun Prakash [Verfasser], and Robert [Gutachter] Weigel. "Planar Inductors for Microwave Acoustic Filter Integration in LTCC Technology / Arun Prakash Dharmalingam ; Gutachter: Robert Weigel." Erlangen : Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), 2016. http://d-nb.info/1124233997/34.

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McCloskey, Edward Daniel. "Q-Enhanced LC Resonators for Monolithic, Low-Loss Filters in Gallium Arsenide Technology." Thesis, Virginia Tech, 2001. http://hdl.handle.net/10919/31959.

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The rapid development of wireless applications has created a demand for low-cost, compact, low-power hardware solutions. This demand has driven efforts to realize fully integrated, "single-chip" systems. While substantial progress had been made in the integration of many RF and baseband processing elements through the development of new technologies and refinements of existing technologies, progress in the area of fully monolithic filters has been limited due to the losses (low Qs) associated with integrated passive elements in standard IC processes. The work in this thesis focuses on the

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Hrubý, Lukáš. "Napájecí zdroj pro vesmírné aplikace." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2018. http://www.nusl.cz/ntk/nusl-377071.

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The following work deals with a design of switched mode power supply. In this essay, there is detailed description of non-isolated and isolated topologies of SMPS, used in industry. Next, there are calculations for design and analysis which are needed for space design. There will also be selected devices, which could be used in final device. Based on experience and ECSS requirements, there will be chosen parameters of SMPS, which could be then used as a module for future space design. Chosen topology of SMPS will be created as engineering model assembled with commercial components. One part of

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Ravi, Akshaya. "Design of equalization filter for non-linear distortion of the loudspeaker array with listener's movement." Thesis, KTH, Skolan för elektroteknik och datavetenskap (EECS), 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-240418.

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The importance of the real-time virtual auditory environment is dependent on the fidelity of reproducing the sound. The loudspeaker array provided with its ideal response is suitable for the sound reproduction. However, there exists frequency and phase distortions in the loudspeaker response that cause audible artifacts at the listener's ears. Therefore, this non-ideal response of the loudspeaker is equalized by an equalization filter before their use in the immersive audio environment. The frequency response of the loudspeaker is dependent on the listener's position and hence equalization mus

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Lindståhl, Simon. "Reinforcement Learning with Imitation for Cavity Filter Tuning : Solving problems by throwing DIRT at them." Thesis, KTH, Skolan för elektroteknik och datavetenskap (EECS), 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-254422.

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Cavity filters are vital components of radio base stations and networks.After production, they need tuning, which has proven to be a difficultprocess to do manually and even more so to automate. Previously, attemptsto automate this process with Reinforcement Learning have beenmade but have failed to reach consistent performance on anything butthe simplest filter models. This Master thesis builds upon these resultsand aims to improve them. Multiple methods are tested and evaluated,including introducing a pre-processing step, tuning hyperparameters anddividing the problem into multiple sub-tasks

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Sliwinski, Kristoffer. "A Machine Learning Approach to Predictively Determine Filter Clogging in a Ballast Water Treatment System." Thesis, KTH, Skolan för industriell teknik och management (ITM), 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-263931.

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Since the introduction of the Ballast Water Management Convention, ballast water treatment systems are required to be used on ships for processing the ballast water to avoid spreading bacteria or other microbes which can destroy foreign ecosystems. One way of pre-processing the water for treatment is by straining the water through a filtration unit. When the filter mesh retains particles, it begins to clog and could potentially clog rapidly if the concentration of particles in the water is high. The clog jeopardises the system. The thesis aims at investigating if machine learning through neura

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Billman, Steven John. "Design of a Low Power and Area Efficient Digital Down Converter and SINC Filter in CMOS 90-nm Technology." Wright State University / OhioLINK, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=wright1307746437.

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Emilsson, André. "Indoor Navigation Using an iPhone." Thesis, Linköping University, Department of Electrical Engineering, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-57890.

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<p>Indoor navigation could be used in many applications to enhance performance in</p><p>its specific area. Anything from serious life critical tasks like aiding firefighters or</p><p>coordinating military attacks to more simple every day use like finding a desired</p><p>shop in a large supermarket could be considered. Smartphones of today introduce</p><p>an interesting platform with capabilities like existing, more clumsy, indoor</p><p>navigation systems. The iPhone 3GS is a powerful smartphone that lets the programmer</p><p>use its hardware in an efficient and easy way. The iPhone 3GS has a</

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Törnqvist, David. "Estimation and Detection with Applications to Navigation." Doctoral thesis, Linköpings universitet, Reglerteknik, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-14956.

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The ability to navigate in an unknown environment is an enabler for truly utonomous systems. Such a system must be aware of its relative position to the surroundings using sensor measurements. It is instrumental that these measurements are monitored for disturbances and faults. Having correct measurements, the challenging problem for a robot is to estimate its own position and simultaneously build a map of the environment. This problem is referred to as the Simultaneous Localization and Mapping (SLAM) problem. This thesis studies several topics related to SLAM, on-board sensor processing, expl

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Djembarmanah, Rachmawati Sugihhartati. "Activated unsaturated sand filter as an alternative technology to remove copper, manganese, zinc and nickel from waters." Thesis, Swansea University, 2012. https://cronfa.swan.ac.uk/Record/cronfa42435.

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An activated unsaturated sand filter (AUSF) is one of only a few of the filtration technologies utilized to treat waters and wastewaters that use unsaturated filter media. AUSF employs sand coated with potassium permanganate and operates with an open chamber allowing free air flow into the column of sand. The AUSF also benefits from operation without the need for a sedimentation unit. Previous studies have demonstrated the efficient removal of iron and manganese using an AUSF, however, to date there are still very limited studies available that use AUSF technology for the removal of metals fro

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Ali, Chachar Mumtaz, and Asif Iqbal Chaudhry. "Smart Filter-A Searching Approach in the e-Me Project." Thesis, Högskolan i Borås, Institutionen Handels- och IT-högskolan, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:hb:diva-20819.

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In the past years, the information was kept on the physical medium and people struggle more to get the right information. Everyone tries to search the information in a smart way using different scenarios. With the passage of time as computer became the essential part of daily life and the search engines came into action. When we talk about the search engines, they are also the part of Information Technology (IT) revolution to find the material or information in a simple and easy way in less time span. These search engine help in finding the information instead of the physical media quickly. By

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Nyström, André, and Jakob Vilör. "Rening av amin i biogasproduktion : En studie med syfte att undersöka om det går att optimera företaget Puregas Solutions AB uppgraderingsanläggningar för biogas med hjälp av olika reningsfilter samt undersöka hur dessa filter underhålls." Thesis, Linnéuniversitetet, Sjöfartshögskolan (SJÖ), 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-64276.

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Abstrakt Det förnyelsebara bränslet biogas har fått mer och mer intresse runt om i världen, men för att biogasen ska gå att använda som fordonsbränsle måste den först uppgraderas. I den processen separeras kolväten och andra föroreningar för att metanhalten ska ökas och därmed kommer biogasen att bli optimal för användning i förbränningsmotorer (Enefalk och Ersöz 2016). Syfte med det här arbetet var att undersöka hur bra olika filter kan fungera för att ta bort orenheter från aminen i Puregas Solutions AB anläggningar. När undersökning av olika filter var gjord studerades underhållet för

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Ivebrink, Pontus, and Peter Ytterström. "Frekvensuppdelning med FPGA." Thesis, Linköping University, Department of Electrical Engineering, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-56238.

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<p>Examensarbetets syfte var att skapa ett frekvensspektrum för ljud. För att representera detta frekvensspektrum används staplar av lysdioder. Systemet implementeras på ett Altera DE2 utvecklingskort. Olika sätt för att skapa dessa frekvensuppdelningar har testats och olika metoder för att lösa dessa har också testats.</p><p>Den slutliga implementeringen består av en filterbank som utnyttjar nersampling för att återanvända filter och sänka ordningen på dessa. Det största problemet var att få plats med allt på den FPGA som användes. Genom att byta till en lite mer komplicerad men effektivare f

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Zlámal, Jiří. "Návrh elektronicky laditelných kmitočtových filtrů v technologii CMOS." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2014. http://www.nusl.cz/ntk/nusl-221016.

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This master thesis deals with the problematics of CT filters and focuses on Gm – C filter. Three linearisation techniques are listed and compared in terms of linear input range, distortion and retuning. In the practical part – second - order low – pass filter is designed and its tuning capabilities are examined.

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Back, Jonathan Paul. "An investigation of fluorescent methods for the detection of bacteria with emphasis on the Direct Epifluorescent Filter Technique (DEFT)." Thesis, University of Reading, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.384919.

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Wu, Lulu. "Virus retentive filter paper for processing of plasma-derived proteins." Licentiate thesis, Uppsala universitet, Nanoteknologi och funktionella material, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-419899.

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The studies in the present thesis explored the feasibility of using nanocellulose-based filters in virus removal filtration of plasma-derived proteins. In Paper I, two-step nanofiltration of commercially available human serum albumin (HSA) product, which was diluted to 10 g L-1 by phosphate buffer saline (PBS) and adjusted pH to 7.4, was performed to remove soluble protein aggregates and reduce filter fouling. The two-step filtration of HSA employed nanocellulose-based filters of varying thickness, i.e. 11 μm and 22 μm filters. The removal of HSA aggregates during filtration through 11 μm p

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Holland, Brian Russell Ramadoss Ramesh. "A tunable coplanar patch antenna, a polymer MEMS based tunable bandpass filter, and a chip-In-polymer packaging technology." Auburn, Ala., 2007. http://repo.lib.auburn.edu/2007%20Fall%20Theses/Holland_Brian_3.pdf.

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TANG, JIANJING. "DESIGN AND ANALYSIS OF A 32X32-BIT DATABASE FILTER CHIP BASED ON A CMOS COMPATIBLE PHOTONIC VLSI DEVICE TECHNOLOGY." University of Cincinnati / OhioLINK, 2003. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1059399964.

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Li, Shuo. "CMOS Receiver Design for 802.11ac Standard Using Offline Calibrated Active Inductor Based Band Pass Filter in 90 nm Technology." Wright State University / OhioLINK, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=wright1576887184235935.

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Somer, Jakub. "Využití tlustých vrstev v moderní elektronice." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2013. http://www.nusl.cz/ntk/nusl-220230.

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Tato diplomová práce se zabývá technologií tlustých vrstev a jejím možným použitím pro nekonvenční aplikace. První část práce je rešeršní a zaměřuje se především na aplikace tlustovrstvé technologie v různých oblastech použití. V teoretické části práce je dále popsána technologie LTCC, včetně technologických postupů výroby. V praktické části jsou řešeny dvě aplikace v tlustovrstvé technologii. Jedná se návrh a výrobu vysokofrekvenčního filtru a optického senzoru tlaku technologií LTCC. V závěru práce jsou provedena měření a jsou zhodnoceny dosažené výsledky.

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Thiel, Max. "Tool orientation estimation to control the angle tightening process of threaded joints." Thesis, KTH, Skolan för industriell teknik och management (ITM), 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-264070.

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The most common method for securing components to each other during manufacturing of products is by joining these using screws, nuts and bolts. The benefit of using this method is that it is cheap and makes it easy to join and separate components quickly. The clamping force in the threaded joint is critical to the quality and in some respect the life length of the product, which makes it important to have good control of the clamping force. There are two main tightening strategies used when tightening a threaded joint – torque controlled tightening and angle controlled tightening. The first me

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Lundgren, Lovisas. "Metal Removal Efficiency of Five Filter Media Intended for use in Road Stormwater Treatment Facilities." Thesis, KTH, Hållbar utveckling, miljövetenskap och teknik, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-292146.

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Roads, buildings, vehicles, and human activities cause spreading of pollutants, which partly end up in stormwater. The pollutant load contains solid particles of various size, hydrocarbons, organics, metals, nutrients, and microorganisms, which can have negative effects on water quality of surface-, coastal- and ground waters. Furthermore, urban development causes hardening of ground and reduced soil permeability that promotes rapid runoff during precipitation. The conversion from permeable to impermeable surfaces therefore lead to increased volumes stormwater but also decrease in stormwater w

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Bien, Franklin Young-Jae. "Reconfigurable equalization for 10-Gb/sec serial data links in a 0.18-μm CMOS technology". Diss., Georgia Institute of Technology, 2006. http://hdl.handle.net/1853/14026.

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The objective of the proposed research is to realize a 10-Gb/sec serial data link over band-limited channels, such as backplanes, multi-mode fiber, and copper-based cables that were originally designed for data rates less than 1Gb/sec. This is achieved using electrical equalization implemented in an integrated circuit (IC). To successfully compensate for various band-limited channels at the targeted data rate with a single equalizer IC, a reconfigurable equalizer topology is proposed. In order to realize the proposed goal, various channels are characterized of their forward transmission freque

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Vishwanathan, Krishnan. "Process development and microstructural analysis of capacitor filter assemblies using lead free solder preforms." 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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Yin-Ching, Lin, and 林穎卿. "Development of High-Rejection Filter Using LTCC Technology." Thesis, 2002. http://ndltd.ncl.edu.tw/handle/13550829883086013022.

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碩士<br>國立交通大學<br>電信工程系<br>90<br>The miniaturized filters realized by low temperature co-fired ceramics (LTCC) technology are described in this thesis. The study includes the comb-line band-pass filters in 2.4GHz and 5GHz of WirelessLAN frequency band, and π-section low-pass filter in 2.4GHz. This thesis describes how to decide the prototype filter’s structures, how to construct the prototype filters to the multi-layer structures, and how to use LTCC technology to realize the multi-layer circuit construction. Additionally, the parasitic effects of filter caused by itself multi-layer

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Chen, Sheng-Chao, and 陳聖照. "Miniaturized Composite RF Bandpass Filter Using LTCC Technology." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/23823444285129074850.

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碩士<br>華梵大學<br>電子工程學系碩士班<br>97<br>The subject of the thesis is to discuss how to use the combination of the periodic T model circuit and the L model circuit to design the miniaturization high frequency band pass filter. First, the high pass T model circuit was developed into the band pass T model circuit. The low frequency transmission zero was produced by using L&bC series resonance, then using the L&aC Parallel resonance to produce the band pass response, In the low pass notch circuit, the action produced two transmission zeros at the high pass position through the nL& C series resonance and

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