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Dissertations / Theses on the topic 'Transmission zero'

Author: Grafiati

Published: 4 June 2021

Last updated: 26 July 2025

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1

SILVA, HELIO ANTONIO DA. "TRANSMISSION LINE FAULT LOCATION NOT REQUIRING ZERO-SEQUENCE PARAMETERS." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 1999. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=7781@1.

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PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO<br>Os algoritmos para a localização de falta encontrados na literatura são baseados em equações algébricas obtidas da malha de falta [4], [16]. Para as faltas monofásicas, a resistência de arco, a resistência de pé de torre e a impedância de sequência zero da linha são incluídas. Essa última impedância, por ser composta de uma soma entre as impedâncias longitudinal e de retorno pela terra (multiplicada por três), pode comprometer a precisão desses algoritmos na indicação do local da falta, pois, a resistividade do solo sob a linha var

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2

Kanj, Hind. "Zero-Latency strategies for video transmission using frame extrapolation." Electronic Thesis or Diss., Valenciennes, Université Polytechnique Hauts-de-France, 2024. https://ged.uphf.fr/nuxeo/site/esupversions/53e0c0d3-296e-477f-9adc-2dbc315128f5.

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La demande de diffusion sans interruption de contenu vidéo et de haute qualité avec une latence minimale est essentielle dans les applications telles que la diffusion sportive et le contrôle de systèmes à distance. Cependant, la diffusion vidéo reste exposée à des défis en raison des caractéristiques variables des canaux de communication, qui peuvent avoir un impact sur la qualité de l'expérience en termes de qualité vidéo et de latence de bout en bout (le temps entre l'acquisition de la vidéo à l'émetteur et son affichage au récepteur).L'objectif de cette thèse est d'aborder le problème des a

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3

Pandey, Amit Nath. "Fault detection of multivariable system using its directional properties." Texas A&M University, 2004. http://hdl.handle.net/1969.1/3354.

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A novel algorithm for making the combination of outputs in the output zero direction of the plant always equal to zero was formulated. Using this algorithm and the result of MacFarlane and Karcanias, a fault detection scheme was proposed which utilizes the directional property of the multivariable linear system. The fault detection scheme is applicable to linear multivariable systems. Results were obtained for both continuous and discrete linear multivariable systems. A quadruple tank system was used to illustrate the results. The results were further verified by the steady state analysis of t

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4

Almeida, Janie Maria de. "Projeto transmissão vertical zero: expectativas e ações de pais soropositivos para o HIV à espera do diagnóstico do filho." Universidade de São Paulo, 2008. http://www.teses.usp.br/teses/disponiveis/7/7136/tde-17042008-104104/.

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O trabalho realizado pelo Projeto Transmissão Vertical Zero de Sorocaba, SP, e o elevado número de crianças expostas ao vírus da aids, no país, motivaram a realização deste estudo quanti-qualitativo que teve como objetivo geral compreender a vivência da mãe-pai enquanto aguardam o diagnóstico definitivo do lactente exposto à transmissão vertical do HIV. Esta pesquisa teve como referencial teórico a Antropologia Médica e a Narrativa como referencial metodológico. Os dados foram coletados em 2006. O momento quantitativo do estudo constou de caracterização das gestantes matriculadas no citado Pro

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5

Engel, Ezra Max. "Compact neutron sources for zero knowledge warhead verification via epithermal neutron transmission analysis." Thesis, Massachusetts Institute of Technology, 2019. https://hdl.handle.net/1721.1/123361.

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This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.<br>Thesis: S.M., Massachusetts Institute of Technology, Department of Nuclear Science and Engineering, 2019<br>Cataloged from student-submitted PDF version of thesis.<br>Includes bibliographical references (pages 67-71).<br>In anarchic international environments, verification methods improve the viability of arms control agreements and disarmament measures by allowing party states to escape the security dilemma. However, warhead verification requires

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6

Hossan, Md Shakawat. "Prediction Model to Estimate the Zero Crossing Point for Faulted Waveforms." UKnowledge, 2014. http://uknowledge.uky.edu/ece_etds/53.

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In any power system, fault means abnormal flow of current. Insulation breakdown is the cause of fault generation. Different factors can cause the breakdown: Wires drifting together in the wind, Lightning ionizing air, wires with contacts of animals and plants, Salt spray or pollution on insulators. The common type of faults on a three phase system are single line-to-ground (SLG), Line-to-line faults (LL), double line-to-ground (DLG) faults, and balanced three phase faults. And these faults can be symmetrical (balanced) or Unsymmetrical (imbalanced).In this Study, a technique to predict the zer

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7

Muquet, Bertrand. "Nouveaux schémas de réception et décodage pour les systèmes OFDM sans fil avec préfixe cyclique ou zero-padding." Paris, ENST, 2001. http://www.theses.fr/2001ENST0022.

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8

Silva, Hugo Filipe Orfão da. "MIMO techniques implementation on FPGA for future wireless transmission systems (4G/LTE)." Master's thesis, Universidade de Aveiro, 2014. http://hdl.handle.net/10773/14540.

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Mestrado em Engenharia Eletrónica e Telecomunicações<br>This work alludes to 4G LTE technology. Techniques used for the same technology are described namely precoding and Alamouti coding and decoding. An Alamouti’s 4G system implemented to FPGA using the Xilinx System is introduced. The work also addresses the PAPR problem due to the reference pilots in the platform being generated all in phase. In this work a random pilot generator was implemented which combats the high peak power. In the receiver it was taken into account the new generation method to perform channel estimation correctly. A

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9

Mazelis, Falk Henry. "The Role of Shadow Banking in the Monetary Transmission Mechanism." Doctoral thesis, Humboldt-Universität zu Berlin, 2018. http://dx.doi.org/10.18452/19251.

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Diese Doktorarbeit besteht aus drei Aufsätzen, in welchen die Reaktion von Finanzinstitutionen auf Geldpolitik analysiert wird. In dem ersten Aufsatz finde ich anhand eines Bayesian VAR, dass eine Erhöhung des Leitzinses zu einer zusätzlichen Kreditvergabe in Nichtbanken (NBFI) führt. Banken verleihen wie bereits bekannt weniger. Der Grund für die gegensätzliche Bewegung liegt in der unterschiedliche Art der Finanzierung. Dieser Befund legt nahe, dass die Existenz von NBFI die Volatilität der aggregierten Kreditvergabe zu geldpolitischen Schocks verringern könnte. Zusätzlich bietet die Analyse

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10

Bianco, Timothy P. "THREE ESSAYS ON CREDIT MARKETS AND THE MACROECONOMY." UKnowledge, 2018. https://uknowledge.uky.edu/economics_etds/38.

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Historically, credit market conditions have been shown to impact economic activity, at times severely. For instance, in the late 2000s, the United States experienced a financial crisis that seized domestic and foreign credit markets. The ensuing lack of access to credit brought about a steep decline in output and a sluggish recovery. Accordingly, policymakers commonly take steps to mitigate the effects of adverse credit market conditions and, at times, conduct unconventional monetary policy once traditional policy tools become ineffective. This dissertation is a collection of essays regarding

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11

Kollarits, Matthew David. "Design and Simulation of a Temperature-Insensitive Rail-to-Rail Comparator for Analog-to-Digital Converter Application." University of Akron / OhioLINK, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=akron1279036924.

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12

Van, de Straete Herman Jan. "Physical meaning of zeros and transmission zeros from bond graph models." Thesis, Massachusetts Institute of Technology, 1995. http://hdl.handle.net/1721.1/11140.

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13

Chailloux, Andre. "Quantum coin flipping and bit commitment : optimal bounds, pratical constructions and computational security." Phd thesis, Université Paris Sud - Paris XI, 2011. http://tel.archives-ouvertes.fr/tel-00607890.

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L'avènement de l'informatique quantique permet de réétudier les primitives cryptographiques avec une sécurité inconditionnelle, c'est à dire sécurisé même contre des adversaires tout puissants. En 1984, Bennett et Brassard ont construit un protocole quantique de distribution de clé. Dans ce protocole, deux joueurs Alice et Bob coopèrent pour partager une clé secrète inconnue d'une tierce personne Eve. Ce protocole a une sécurité inconditionnelle et n'a pasd'équivalent classique.Dans ma thèse, j'ai étudié les primitives cryptographiques à deux joueurs où ces joueurs ne se font pas confiance. J'

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COSTA, Elloá Barreto Guedes da. "Capacidade quântica de sigilo erro-zero e informação acessível erro-zero de fontes quânticas." Universidade Federal de Campina Grande, 2013. http://dspace.sti.ufcg.edu.br:8080/jspui/handle/riufcg/1859.

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Submitted by Johnny Rodrigues (johnnyrodrigues@ufcg.edu.br) on 2018-10-01T14:15:29Z No. of bitstreams: 1 ELLOÁ BARRETO GUEDES COSTA - TESE PPGCC 2013..pdf: 53314941 bytes, checksum: 3758326a173b3852e098b78e3e03a1fc (MD5)<br>Made available in DSpace on 2018-10-01T14:15:29Z (GMT). No. of bitstreams: 1 ELLOÁ BARRETO GUEDES COSTA - TESE PPGCC 2013..pdf: 53314941 bytes, checksum: 3758326a173b3852e098b78e3e03a1fc (MD5) Previous issue date: 2013-11-13<br>CNPq<br>A Teoria da Informação Quântica é uma área de pesquisa a qual considera o estudo dos limites máximos possíveis para o processamento e tra

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Chailloux, André. "Quantum coin flipping and bit commitment : optimal bounds, pratical constructions and computational security." Thesis, Paris 11, 2011. http://www.theses.fr/2011PA112121/document.

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L'avènement de l'informatique quantique permet de réétudier les primitives cryptographiques avec une sécurité inconditionnelle, c'est à dire sécurisé même contre des adversaires tout puissants. En 1984, Bennett et Brassard ont construit un protocole quantique de distribution de clé. Dans ce protocole, deux joueurs Alice et Bob coopèrent pour partager une clé secrète inconnue d'une tierce personne Eve. Ce protocole a une sécurité inconditionnelle et n'a pasd'équivalent classique.Dans ma thèse, j'ai étudié les primitives cryptographiques à deux joueurs où ces joueurs ne se font pas confiance. J'

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16

Philipp, Andy. "Novel Analytical Hydrodynamic Modeling for Evaluating and Optimizing Alluvial Recharge." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2013. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-124891.

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This thesis presents a novel analytical solution strategy for the zero-inertia (ZI) equations of free surface flow. These equations are utilized herein for routing flood flow in open channels and for simulating excess rainfall runoff on overland planes. The novel solution approach is shown to be both accurate and robust, especially under the complicated and intricate conditions of infiltrating flow on initially dry river beds or soils, e.g., as present in arid and semiarid areas. This is underlain by comparing modeling results of the novel analytical procedure with those of validated numerical

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Silva, Marcos Diego de Castro e. "Análise da influência das componentes de sequência positiva, negativa e zero sobre as temperaturas de um motor de indução trifásico." reponame:Repositório Institucional da UnB, 2014. http://repositorio.unb.br/handle/10482/16898.

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Dissertação (mestrado)—Universidade de Brasília, Faculdade de Tecnologia, Departamento de Engenharia Elétrica, 2014.<br>Submitted by Ana Cristina Barbosa da Silva (annabds@hotmail.com) on 2014-11-07T11:50:35Z No. of bitstreams: 1 2014_MarcosDiegodeCastroeSilva.pdf: 5319545 bytes, checksum: ef30c1f74f16c67ff12e33234b09e69d (MD5)<br>Approved for entry into archive by Patrícia Nunes da Silva(patricia@bce.unb.br) on 2014-11-17T12:09:44Z (GMT) No. of bitstreams: 1 2014_MarcosDiegodeCastroeSilva.pdf: 5319545 bytes, checksum: ef30c1f74f16c67ff12e33234b09e69d (MD5)<br>Made available in DSpace on 2014-

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Zuluaga, Sara Maria Yepes. "Desenvolvimento de filtro passa-faixa banda larga com zeros de transmissão para sistemas de comunicação Ultra-Wideband (UWB)." reponame:Repositório Institucional da UnB, 2007. http://repositorio.unb.br/handle/10482/2819.

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Dissertação (mestrado)—Universidade de Brasília, Faculdade de Tecnologia, Departamento de Engenharia Elétrica, 2007.<br>Submitted by Kathryn Cardim Araujo (kathryn.cardim@gmail.com) on 2009-12-21T13:18:55Z No. of bitstreams: 1 Dissert_Sara Zuluaga.pdf: 1127760 bytes, checksum: 6320720178a508bc745dc205fedf42d0 (MD5)<br>Approved for entry into archive by Daniel Ribeiro(daniel@bce.unb.br) on 2009-12-21T21:55:12Z (GMT) No. of bitstreams: 1 Dissert_Sara Zuluaga.pdf: 1127760 bytes, checksum: 6320720178a508bc745dc205fedf42d0 (MD5)<br>Made available in DSpace on 2009-12-21T21:55:12Z (GMT). No. of b

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Leedumrongwatthanakun, Saroch. "Quantum information processing with a multimode fibre." Thesis, Sorbonne université, 2019. http://www.theses.fr/2019SORUS526.

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Le transport à haut débit de données à travers des fibres optiques grâce au multiplexage spatial est en pratique limité par la diaphonie modale. Au lieu de considérer ce couplage modal comme une limitation, nous exploitons ici ce mélange de modes comme une ressource. Nous mettons en oeuvre un réseau optique linéaire programmable basé sur le concept de design photonique inverse, exploitant les techniques de mise en forme du front d’onde. Nous démontrons la manipulation d’interférences quantiques à deux photons sur divers réseaux linéaires, comprenant des degrés de liberté spatiaux et de polaris

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20

Sallah, Kankoe. "Diffusion spatio-temporelle des épidémies : approche comparée des modélisations mathématiques et biostatistiques, cibles d'intervention et mobilité humaine." Thesis, Aix-Marseille, 2017. http://www.theses.fr/2017AIXM0607.

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Dans la première partie de cette thèse, nous avons mis en place un métamodèle de transmission du paludisme basé sur la modélisation compartimentale susceptible-infecté-résistant (SIR) et prenant en compte les flux de mobilité humaine entre différents villages du Centre Sénégal. Les stratégies d’intervention géographiquement ciblées, s’étaient avérées efficaces pour réduire l’incidence du paludisme aussi bien dans les zones d’intervention qu’à l’extérieur de ces zones. Cependant, des actions combinées ciblant à la fois le vecteur et l’hôte, coordonnées à large échelle sont nécessaires dans les

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Diedhiou, Daouda Lamine. "Étude de dispositifs hyperfréquences accordables en technologie microfluidique." Phd thesis, Université de Bretagne occidentale - Brest, 2012. http://tel.archives-ouvertes.fr/tel-00857484.

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La multiplication des besoins des utilisateurs dans le domaine des télécommunications a conduit à une surexploitation du spectre de fréquence. Ceci a engendré la raréfaction des bandes de fréquence conduisant à une nécessité de gestion rationnelle des fréquences. Des contraintes ont été rajoutées aux systèmes d'émission / réception et en particulier sur les filtres pour éviter la saturation des services. Dans cette thèse, les travaux s'orientent surtout vers la conception de résonateurs, de filtres planaires et volumiques (3D) accordables dans le domaine des fréquences millimétriques (>= 30 GH

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Wu, Hui-I., and 吳匯儀. "Investigation on Transmission Zero of Combline-LTCC Filter." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/73991272482152496814.

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碩士<br>國立成功大學<br>電機工程學系碩博士班<br>93<br>In Bluetooth and Wireless lan system, their specifications require suppressing not only spurious response but also noise owing to local oscillator. In this study, we focus on characteristics of transmission zeros of microwave passive filters. 　In this study, because we need large capacitances to satisfy the specifications of widerbandwidth, and realize those capacitances all in parallel. And by this concept, we design and analyze filters which can suppress noise, one is capacitive coupling and another is magnetic coupling. And, in above two structures, ther

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You, Sheng-Fu, and 游聖富. "Analysis and Application of Transmission Zero on the Microwave Filter." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/04845228073310896323.

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碩士<br>國立中正大學<br>電機工程研究所<br>93<br>The main propose of this thesis is to investigate the schemes of producing the transmission zero, and then utilize these techniques to improve the performances of filters. According these proposed methods, the symmetry and anti-symmetry feeding LTCC comb-line bandpass filter, high frequency selectively LTCC quasi-elliptic bandpass filter, wide rejected band microstrip bandpass filter using H-type stepped impedance resonator, LTCC dual band bandpass filter using stepped impedance resonator, and LTCC diplexer & triplexer have been designed. All the above-mentione

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24

En-MingTsai and 蔡恩明. "Transmission Zero Assignment in Linear Multivariable System Using Pole Assignment Method." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/71161198000410811217.

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碩士<br>國立成功大學<br>電機工程學系<br>104<br>In this thesis, we consider the problem of assigning transmission zeros in a linear time-invariant multivariable system. It shows the problem can be formulated as that of finding a full rank output feedback gain matrix which assigns the eigenvalues of the given system to the locations at which the transmission zeros are to be positioned. Also, it shows the zero assignment and pole assignment are mathematically equivalent problems. Using the inverse of the output feedback gain matrix as a direct-feedthrough term in a system yields transmission zeros at the des

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Lin, Huan Heng, and 林奐衡. "Design of Microwave Filter Constructed by inductive Coupling methods with the selectable transmission zero." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/59551903391723458152.

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碩士<br>長庚大學<br>電子工程研究所<br>92<br>This thesis presents two methods of realizing the couple-resonate bandpass filters with inductive π-networks. First, the inductive π-network is adopted to replace the conventional inductive or capacitance coupling methods. Second, I propose a method of adding a selectable transmission zero in the previous filter circuits. In the first part of this thesis, the traditional methods Insertion loss method to design the proposed filter circuit is described. Then, a set of transformation equations to transform from the Chebyshev prototype circuits to the inductive π-ne

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Lin, Tsung-Hsien, and 林宗賢. "Study Extra Transmission Zero of LTCC Combline Filters and Development of LTCC Broadband Mixers." Thesis, 2003. http://ndltd.ncl.edu.tw/handle/29606722764271708797.

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碩士<br>國立交通大學<br>電信工程系<br>91<br>Two passive circuits, three-pole comb line bandpass filters and broadband mixers, which are realized using low temperature co-fired ceramics (LTCC) are described in this thesis. PartⅠ studies the effect of transmission zeros produced by parasitic cross coupling of LTCC comb line filters. We have proved that magnetic coupling between first and third resonators dominates the extra transmission zero. The input and output tap position can also affect the position of transmission zeros. Due to these two reasons, we design three types of comb line filter

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Li, Wei-Zhe, and 李維哲. "Implementation of Power Transmission Line Phase Measurement Using Global Positioning System and Zero-Crossing Method." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/8h54a6.

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碩士<br>國立臺北科技大學<br>電機工程系所<br>100<br>This thesis probes into the phase measuring technique based on GPS and zero-crossing as three-phase transmission and distribution lines by using three AT89S52. The internal timer in the three AT89S52 is simultaneously triggered when the GPS receiver module generates global sync pulse. Then three zero-crossings will detect circuit generation and simulate to-be-measured three-phase square wave in the same cycle of the three-phase transmission and distribution lines. The rising edge of the three-phase square wave will trigger the internal timer of the three AT89

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Yi, Tsung-Yang, and 易宗陽. "A Generalized Subspace-based Blind Channel Estimation Algorithm in MIMO Zero-Padded Block Transmission Systems." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/78325581495671818367.

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碩士<br>國立臺灣大學<br>電信工程學研究所<br>99<br>In this thesis, a systematic study of subspace-based blind channel estimation algorithm in multi-input multi-output (MIMO) zero-padded (ZP) block transmission systems is presented. A generalized subspace-based blind channel estimation algorithm in MIMO ZP block transmission systems is proposed, which makes use of the repetition scheme to improve the channel identifiability. By introducing the appropriate repetition index, the channel estimation can effectively work with few received blocks. Moreover, the theoretical performance analysis of the proposed genera

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Chen, Chih-Ping, and 鄭至斌. "An Extremely Wideband Common-Mode Filter Using Second Order Transmission Zero of Magnified Coupled Defected Ground Structure." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/bmr5w8.

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碩士<br>國立臺北科技大學<br>電子工程系<br>106<br>In this paper, we propose an extremely wideband common-mode band-stop filter for high-speed differential signals. The proposed design is realized by using second order transmission zero, which is generated from the magnified coupled defected ground structures (DGSs), to reach the wideband common-mode noise suppression. Moreover, the proposed structure is fabricated on printed circuit board (PCB) with low cost and simple manufacturing process, and the equivalent circuit model of the proposed DGS resonators, are also constructed to predict the phenomenon of the

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Tsai, Cheng-Yu, and 蔡承佑. "On the Study of Applying Optimum Block Delay Detection for Redundant Block Transmission Systems Using Zero-forcing Equalization." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/35349886364527483889.

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碩士<br>亞洲大學<br>光電與通訊學系<br>103<br>The block transmission scheme is a widely adopted technique in modern wireless communication systems. From the perspective of theoretical results and hardware implementations, a communication system can achieve an improved performance when the block-by-block transmission scheme is used and the channel state information is utilized efficiently in its transceiver design. For a block transmission system using zero-forcing equalization, this thesis investigates the performance of a jointly optimized linear transceiver design with block delay detection. The algorithm

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Hsu, Chih-Kai. "The design of V-band band-pass filter with transmission zero using substrate integrated waveguide by alumina and LTCC process." 2007. http://www.cetd.com.tw/ec/thesisdetail.aspx?etdun=U0001-2707200718440300.

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Hsu, Chih-Kai, and 許智凱. "The design of V-band band-pass filter with transmission zero using substrate integrated waveguide by alumina and LTCC process." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/66396400401267937633.

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碩士<br>臺灣大學<br>電信工程學研究所<br>95<br>There are many allocated frequency band can provide a bandwidth of more than 5 GHz to realize high speed communication up to 2Ghps to 4Ghps. This thesis presents the design of bandpass filters on 60GHz-band and 70GHz-band. In this thesis, we design several coupling resonant bandpass filters for 60GHz-band and 70GHz-band by the substrate integrated waveguide (SIW) cavity structure on the LTCC and alumina substrate. And then we add shunt CPW lines to introduce a transmission zero. The lowest insertion loss of these filters is less than 2.8 dB, and the return loss

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Barreiras, Joana Maria Raposo. "(Un)Conventional monetary policy : how do negative policy rates affect banks?" Master's thesis, 2021. http://hdl.handle.net/10400.14/35557.

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In June 2014, the ECB’s decision to cut its deposit facility rate (DFR) to -10 b.p. broke with the idea of an unsurpassable zero lower bound. At this level, people would convert deposits into cash to escape nominal devaluation. This new unconventional monetary policy’s impact on bank profitability is being extensively studied, without no full consensus being reached yet. We assess the Negative Interest Rate Policy (NIRP) effects on bank profitability, using a panel dataset of 143 Euro Area listed banks over the period from 2005 to 2019. This study employed a panel data linear regression analys

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Tai, Li-chi, and 戴立祺. "Design of Microwave Circuits with Multiple Transmission Zeros Using T-type Transmission Lines." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/18480754262082062436.

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碩士<br>國立高雄大學<br>電機工程學系碩士班<br>100<br>The purpose of this dissertation is to propose novel Wilkinson power dividers, branch-line couplers, and rat-race coupler with multiple expecting transmission zeros. The basic concept is to use T-type transmission lines in the required circuits and then each design circuit can achieve a compact size. Because each T-type transmission line has one open stub, it can also provide one transmission zero to suppress the required band. Therefore, all of the proposed circuits using the T-type transmission lines can not only achieve miniaturized circuit sizes but also

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Liao, Hsin-Fa, and 廖信發. "Investigation into RF Bandpass Filter of Transmission Zeros." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/88301918565045859290.

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碩士<br>國立中正大學<br>電機工程所<br>96<br>We mainly used open stubs to produce transmission zeros and design filters with high selectivity and harmonic suppression in this essay. It brought up a filter with multi transmission zeros. It combined seven open-end parallel coupled lines and input/load-multiresonator coupling method to accomplish the parallel coupled half-length multiresonators filter with multi transmission zeros. Then we simulated, realized on PCB and measured. Zeros of the filter effectively improved selectivity. Later, we let the filter which suppressed 2nd harmonic realized on the LTCC mu

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WANG, RI-CHANG, and 王日昌. "Design of Diplexing Power Dividers with Transmission Zeros." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/rs58e3.

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碩士<br>國立高雄科技大學<br>電子工程系<br>107<br>This paper proposes a complete diplexing power dividers design flow, starting with the filter design, and then using the odd-even mode analysis to derive the filtering power divider architecture, and the design of the isolation resistor, and use the open stub type and SIR type impedance converter goes to equivalent K inverters. Frequency of the transmission zero can be designed by the length of the open stub. Therefore, we can enhance the suppression ability outside the passband, and can maintain the characteristics of the passband of the filtering power divid

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Lin, Chih-Ming, and 林志銘. "High Directivity Microstrip Directional Coupler with Tuneable Transmission Zeros." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/09513479809346488045.

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碩士<br>國立交通大學<br>電機學院碩士在職專班電信組<br>99<br>This thesis presents design of a high directivity coupled microstrip directional coupler with tuneable transmission zeros. The circuit consists of two quarter-wavelengh parallel-coupled-lines and a third-order bandpass filter. An isolation zero is devised to improve the directivity of the coupler at the center frequency. In addition, a pair of tuneable transmission zeros are created at the coupled port. The control of these two transmission zeros is achieved by adjusting the line impedance of the short-circuited stubs of the filter.Corrugated microstrip c

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Chao, Tai-Chuan, and 趙泰全. "Design of Tunable Combline Bandpass Filters with Multiple Transmission Zeros." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/67094982641174995076.

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碩士<br>國立中正大學<br>電機工程研究所<br>101<br>This thesis investigates two broadband bandpass filters with tunable center frequency, based on the varactor-loaded combline topology. The first circuit uses uniform-impedance microstrip resonator, and the source-load coupling to creates transmission zeros on both side of passband. The measured performance show that a 50% tuning range from 1.0 GHz to 1.5 GHz is achieved with 1 dB bandwidth of 71 MHz. The insertion loss is 2.2-2.8 dB and the stopband suppression is more than 32 dB. The circuit area is 11.1 mm 15.6 mm, equivalent to . The second circuit uses s

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Tsai, Jhih-Sheng, and 蔡誌聲. "A Design of Wide-band Bandpass Filter with Transmission Zeros." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/azt35d.

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碩士<br>國立高雄第一科技大學<br>電子工程系碩士班<br>106<br>A novel design of a wide-band bandpass filter with half-wavelength( λ/2) step impedance resonators (SIR) is proposed in this article. Due to the λ/2 SIR, two transmission zeros (T_Z) are not only located at each edge of the passband but also symmetrical to the center frequency (f_c). In addition, the position of T_ZS can be conveniently controlled by means of adjusting the characteristic impedance ratio of the SIR. Two controllable transmission zeros are introduced to sharpen the passband skirts. The bandpass filter is composed of two λ/2 SIR, three shor

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PAN, JIAN-TING, and 潘建廷. "Band Pass Filter with Controllable Transmission Zeros: Analysis and Design." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/rah4ym.

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碩士<br>國立高雄科技大學<br>電子工程系<br>107<br>This paper mainly proposes three new transmission zeros architectures, which respectively perform mathematical derivation and architecture analysis on each transmission zeros architecture, show the limits of the mathematical model and the implementation limits on the process, and use the Spur lines to combine the new transmission zeros of this paper. The architecture is designed for microwave bandpass filter that makes the bandpass filter more selective outside the passband, and reduce noise interference on the circuit. Under the band-pass filter architecture

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Chao-Huang, Wu. "Coupled-Line Bandpass Filters With Stopband Extension and Multiple Transmission Zeros." 2006. http://www.cetd.com.tw/ec/thesisdetail.aspx?etdun=U0001-2507200600204200.

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Jeng, Yng-Huey, and 鄭瑩慧. "Analysis and Design of Miniaturized Bandpass Filters with Multiple Transmission-zeros." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/51320079240472929095.

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博士<br>國立中正大學<br>電機工程所<br>94<br>This dissertation works on the analysis and design of miniaturized bandpass filters with controllable multiple transmission zeros for multi-band multimode wireless RF transceivers. Two new structures of bandpass filter are proposed and investigated. The first bandpass structure is composed of a cascade of enhanced m-derived filter cells and the second is composed of the self-coupled ring resonators. On the first bandpass structure, the image-parameter theory is employed to analyze the transmission-zero generation and to derive the element design equations. By sub

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Wu, Chao-Huang, and 吳昭篁. "Coupled-Line Bandpass Filters With Stopband Extension and Multiple Transmission Zeros." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/91365475919843481385.

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博士<br>國立臺灣大學<br>電信工程學研究所<br>94<br>In this dissertation, a new class of coupled-line bandpass filters (BPFs) with stopband extension and better selectivity, including several microstrip and two coplanar-waveguide (CPW) structures, is presented. These BPFs can find applications in various wireless communication systems. First of all, in Chapter 2, the basic coupled-line BPFs are proposed according to the fundamental concepts of filters and equivalent-circuit models of coupled-line sections. By adding the lumped-element-inverters into conventional coupled-line BPFs, the order of proposed coupl

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Lu, Hong-Xin, and 呂鴻新. "The Controllable Transmission Zeros Dual-Band Bandpass Filters With Wide Stopband." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/72414371584228906149.

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碩士<br>國立中正大學<br>電機工程所<br>97<br>There are two parts in this thesis. In the first part, the design of dual-band bandpass filters with controllable transmission zeros is presented. Moreover, the couple line with additional open stubs is adopted in these filters, and detailed analyses on the design of transmission zeros are also provided. Utilizing the distances between two transmission zeros, the bandwidths of two passbands can be tuned simultaneously. Then, the dual-band bandpass filters with wide stopband are the focusing in the second part. Similarly, this filter with the same structure as pro

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Wu, Chou-Che, and 吳兆哲. "Insert Transmission Zeros to Parallel-Coupled Line Filters Using L-Resonators." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/39943714205036972343.

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碩士<br>國立交通大學<br>電機資訊學院碩士在職專班<br>94<br>There is no transmission zero in the response of a traditional microstrip coupled-line bandpass filter. In this thesis, transmission zeros are created by inserting an L-shape resonator to the input and output coupled stages. The stages consist of a three-line structure and one of the line is loaded by an open stub. The equivalent circuit of the three-line stage is derived. Based on this equivalent circuit, we can synthesize a parallel coupled-line bandpass filter with a maximally flat response and transmission zeros near the passband. Several circuits are

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Hong-YinLin and 林虹吟. "Design of Microwave Band-Pass Filters with Near-Passband Transmission Zeros." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/53987942520021154033.

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碩士<br>國立成功大學<br>電腦與通信工程研究所<br>103<br>In this research, we have studied the papers on the generation of filter transmission zeros by coupling structures. Firstly, the characteristics of band-pass filters with transmission zeros are studied. Then, a design based on half-wavelength transmission-line resonators and a new type of inverters is proposed. With the help of an embedded shunt open stub, this new type of inverters is capable of providing the needed coupling and generating a transmission zero. Therefore, they are different from the traditional ones. However, because they are strongly depen

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Chih-HsuanLiu and 劉稚暄. "Filter Designs with Harmonic Suppression Using Transmission Zeros from Coupling Structures." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/t9583j.

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碩士<br>國立成功大學<br>電腦與通信工程研究所<br>105<br>In this thesis, we studied the harmonic-suppressed bandpass filter is based on discriminating coupling proposed by X. Y. Zheng and Q. Xue. Discriminating coupling is used to obtain zero coupling coefficient at high order harmonic. Then we provides a different way of deriving the equivalent circuit of the discriminating coupling structure by using Sato’s network model of coupled transmission lines. To increase the freedom of filter design we analysis of four types of coupled-line structures: coupled lines with load at one end. The equation for the transmiss

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Chen, Yu-Chih, and 陳昱志. "Design of Microwave and Millimeter-wave Microstrip Filters with Tunable Transmission Zeros." Thesis, 2002. http://ndltd.ncl.edu.tw/handle/72169308580723958725.

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碩士<br>國立交通大學<br>電信工程系<br>90<br>Paralleled-coupled hairpin and square open-loop resonator are used to design bandpass filters in microwave and millimeter-wave bands. The 2x2 configuration can produce two transmission zeros on both sides of the passband. Two more zeros can be created and tuned via the control of input and output tapping. The coupling coefficients are determined by the filter specification. The full-wave simulator IE3D is used to design filters. Experimental results are compared with computed responses.

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Hsieh, Dong-Kun, and 謝東坤. "Design of Miniaturized Stepped-Impedance Bandpass Filters with Multiple Stopband Transmission Zeros." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/39009385395238064880.

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碩士<br>國立中正大學<br>通訊工程研究所<br>95<br>The new design of miniaturized stepped-impedance bandpass filters with multiple transmission zeros will be verified in the paper. Utilizing the quarter wave length SIR with short-ended, we designed two internal resonators and integrate with a set of external UIRs to construct a compact bandpass filter. To compare with former bandpass filter, we found three characteristics to made it works more effectively. First, the passband with right and left transmission zeros provides more options for signal to be received by passband. Moreover, extra transmission zeros in

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Tseng, Chien-Chung, and 曾建中. "Analysis and Design of the Transmission Zeros in the Broadband Multilayered Filter." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/99448231370101071396.

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碩士<br>國立中正大學<br>通訊工程研究所<br>93<br>In this paper, a novel method has been proposed to realize ultra-wideband filter, which is implemented with low temperature co-fired ceramic (LTCC) technology. The ultra-wideband filter is designed using a novel four-order combline filter and accompany with inductive feedback. A distinct feature of this ultra-wideband filter is that there is a couple of transmission zeros located at two-side of passband’s skirt. This feature can improve sensitivity and linearity of the communication system. The advantage of multi-layered structure may shrink the circuit size. T

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