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Dissertations / Theses on the topic 'Correlated sources'

Author: Grafiati

Published: 4 June 2021

Last updated: 6 September 2023

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1

Tinguely, Stéphane. "Transmitting correlated sources over wireless networks." Konstanz Hartung-Gorre, 2009. http://d-nb.info/993231594/04.

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2

Gardner, Michael D. "Scan-Based Near-Field Acoustical Holography on Partially Correlated Sources." Diss., CLICK HERE for online access, 2009. http://contentdm.lib.byu.edu/ETD/image/etd3167.pdf.

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3

Rezazadeh, Arezou. "Error exponent analysis for the multiple access channel with correlated sources." Doctoral thesis, Universitat Pompeu Fabra, 2019. http://hdl.handle.net/10803/667611.

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Due to delay constraints of modern communication systems, studying reliable communication with finite-length codewords is much needed. Error exponents are one approach to study the finite-length regime from the information-theoretic point of view. In this thesis, we study the achievable exponent for single-user communication and also multiple-access channel with both independent and correlated sources. By studying different coding schemes including independent and identically distributed, independent and conditionally distributed, message-dependent, generalized constant-composition and conditi

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4

Zhu, Ying. "Signal detection on two-dimensional intersymbol interference channels correlated sources and reduced complexity algorithms /." [Pullman, Wash.] : Washington State University, 2008. http://www.dissertations.wsu.edu/Dissertations/Fall2008/y_zhu_081408.pdf.

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Thesis (Ph. D.)--Washington State University, December 2008.<br>Title from PDF title page (viewed on Sept. 23, 2008) "School of Electrical Engineering and Computer Science." Includes bibliographical references (p. 83-90).

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5

Scholes, Richard Burton 1968. "Analysis of derivative MUSIC with two correlated or uncorrelated sources and its extension to a planar array." Thesis, The University of Arizona, 1996. http://hdl.handle.net/10150/278617.

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This thesis presents a novel spatial spectrum estimation technique, ∂-MUSIC, for discriminating between two closely spaced sources which are highly correlated. The ∂-MUSIC algorithm is tested, modified, and compared to the MUSIC algorithm using a point source simulation. Various power levels, samples sizes and angle separations are used on a linear and a planar array for correlated and uncorrelated sources. The algorithm is found to be relatively insensitive to correlation and can separate targets to one-half of the angular separation threshold of ∂-MUSIC. The ∂-MUSIC algorithm is tested using

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6

Azzoune, Abderrahim. "Nanofibres optiques pour la réalisation de sources de photons corrélés." Thesis, Université Paris-Saclay (ComUE), 2019. http://www.theses.fr/2019SACLO009.

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Les sources de paires de photons corrélés sont des composants clés nécessaires aux réseaux de télécommunications quantiques. Réaliser directement ces sources à partir de fibres optiques permet de minimiser les pertes d'insertion. Nous proposons de concevoir une telle source à partir d'une fibre optique étirée. La fibre étirée possède un diamètre pouvant descendre à moins de 500 nm sur une longueur de quelques centimètres. Le faible diamètre de la section étirée favorise les effets non linéaires, tandis que les sections non étirées permettent de connecter avec de très faibles pertes cette fibre

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7

Tas, Idir. "Traitement d'antenne passif : détection et identification de sources." Grenoble INPG, 1987. http://www.theses.fr/1987INPG0076.

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Le traitement d'antennes reseau sert a detecter et a localiser des sources rayonnantes. Sont presentees,ici, les diverses methodes de traitement d'antennes, basees sur l'information contenue dans la matrice spectrale des signaux recus sur les differents capteurs. Ces methodes sont regroupees en deux categories : solutions globales et solutions decouplees. Experimentation a longue distance en acoustique sousmarine

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8

Sun, Wei. "Joint Compression and Digital Watermarking: Information-Theoretic Study and Algorithms Development." Thesis, University of Waterloo, 2006. http://hdl.handle.net/10012/2890.

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In digital watermarking, a watermark is embedded into a covertext in such a way that the resulting watermarked signal is robust to certain distortion caused by either standard data processing in a friendly environment or malicious attacks in an unfriendly environment. The watermarked signal can then be used for different purposes ranging from copyright protection, data authentication,fingerprinting, to information hiding. In this thesis, digital watermarking will be investigated from both an information theoretic viewpoint and a numerical computation viewpoint. <br /><br /> From the i

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9

Bocincova, Andrea. "Assessing the Neural Correlates, Sources and Consequences of the Attentional Rhythm." Diss., North Dakota State University, 2019. https://hdl.handle.net/10365/29590.

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Evidence suggests that even when sustained at a single location, spatial attention waxes and wanes over time. These fluctuations are cyclic, lasting about 125-200 ms (i.e., ~4-8 Hz), and are characterized by alternating periods of focused attention to a single location together with exploratory periods during which attention is prone to switching to a new source of stimulation. Despite an increasing interest in this temporal property of spatial attention, multiple aspects of rhythmic attentional sampling remain to be explored. In this dissertation, I introduce and examine three unexplored area

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10

Guadiana, Juan M. "Best Source Selection on Encrypted Data." International Foundation for Telemetering, 2006. http://hdl.handle.net/10150/604139.

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ITC/USA 2006 Conference Proceedings / The Forty-Second Annual International Telemetering Conference and Technical Exhibition / October 23-26, 2006 / Town and Country Resort & Convention Center, San Diego, California<br>The size of the range at White Sands means multiple acquisition sites are needed to properly cover a typical vehicle trajectory. As vehicle complexity increase, the need for robust acquisition grows. Multiple acquisition sites are needed to provide as complete coverage as practical. Space Diversity combining would provide a single composite source for all the displays and rec

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11

Heaton, Matthew J. "Temporally Correlated Dirichlet Processes in Pollution Receptor Modeling." Diss., CLICK HERE for online access, 2007. http://contentdm.lib.byu.edu/ETD/image/etd1861.pdf.

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12

BARION, Luca. "Internal polarized gas targets: systematic studies on intensity and correlated effects." Doctoral thesis, Università degli studi di Ferrara, 2009. http://hdl.handle.net/11392/2389142.

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The work carried out during the PhD was dedicated to the study of high-density polarized gas targets used in high-energy physics. The thesis is related to the PAX experiment, which aims to produce a beam of polarized anti-protons, by means of spin-filtering with a polarized atomic target. In order to obtain the densities required by high-energy particle physic, gaseous targets are a combination of an Atomic Beam Source and a storage cell. The possibility to improve the various components of the ABS and the storage cell has been evaluated, through dedicated systematic studies, using the f

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13

Hartman, Kim. "How do intrinsic and extrinsic motivation correlate with each other in open source software development?" Thesis, Blekinge Tekniska Högskola, Sektionen för datavetenskap och kommunikation, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-5257.

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Open source is growing outside the boundaries of hackers, amateurs and software development, creating a humongous potential in many different areas and aspects of society. The intrinsic and extrinsic motivations that drives open source have been in the subject of much research recently, but how they affect each other when paid and unpaid contributors come together is still hidden in obscurity. In this study I investigate how intrinsic and extrinsic motivation correlates with each other and how those correlations affect paid and unpaid open source software contributors. The literature synthesis

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14

Root, Margaret Ann. "Technical basis for use of a correlated neutron source in the uranium neutron coincidence collar." Thesis, Massachusetts Institute of Technology, 2014. http://hdl.handle.net/1721.1/103654.

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Thesis: S.M., Massachusetts Institute of Technology, Department of Nuclear Science and Engineering, September 2015.<br>This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.<br>Cataloged from student-submitted PDF version of thesis.<br>Includes bibliographical references (pages 100-101).<br>Nuclear nonproliferation efforts rely on a variety of safeguards to protect sensitive materials in nuclear facilities. The enrichment of fresh light-water-reactor fuel assemblies is verified by several inspectorates

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15

Little, Matthew Michael. "Feasibility of manipulating correlated color temperatures with a phosphor converted high-powered light emitting diode white light source." DigitalCommons@CalPoly, 2010. https://digitalcommons.calpoly.edu/theses/332.

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In this thesis we examine the feasibility of developing a white light source capable of producing colors between 2500 and 7500 Kelvin on the black-body radiator spectrum by simply adjusting amperage to a blue and ultraviolet (UV) light emitting diode (LED). The purpose of a lighting source of this nature is to better replicate daylight inside a building at a given time of day. This study analyzes the proposed light source using a 385 nm UV LED, a 457 nm blue LED, a 479 nm blue LED, a 562 nm peak cerium doped yttrium aluminum garnet (YAG:Ce) phosphor, and a 647 nm peak selenium doped zinc sul

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16

Kambeitz-Ilankovic, Lana Marija [Verfasser], and Rolf [Akademischer Betreuer] Engel. "Attentional modulation of source attribution in schizophrenia : behavioral and neural correlates / Lana Marija Kambeitz-Ilankovic. Betreuer: Rolf Engel." München : Universitätsbibliothek der Ludwig-Maximilians-Universität, 2013. http://d-nb.info/1035066653/34.

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17

Beau, Jacques. "Etude des correlats genetiques du rythme de l'activite chez la souris consanguine." Paris 5, 1987. http://www.theses.fr/1987PA05S013.

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18

Hedtjärn, Håkan. "Dosimetry in brachytherapy : application of the Monte Carlo method to single source dosimetry and use of correlated sampling for accelerated dose calculations /." Linköping : Univ, 2003. http://www.bibl.liu.se/liupubl/disp/disp2003/med790s.pdf.

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19

GUILLOT, PASCALE-VALERIE. "Conduites d'attaque intermales chez la souris de laboratoire : implication du chromosome y, correlats neurophysiologiques et comportementaux." Paris 6, 1995. http://www.theses.fr/1995PA066612.

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Les differences individuelles concernant la capacite pour une souris male a attaquer un autre male ont des bases genetiques, le chromosome y etant notamment implique. Les etudes portant sur des males issus de lignees consanguines et congeniques pour la partie specifique du chromosome y ont permis de preciser que l'effet de cette partie depend de la situation de test. Un modele de correlation genetique entre l'agression et le degre d'inhibition gabaergique dans les bulbes olfactifs d'une part et la superficie des champs terminaux des fibres moussues intra- et infrapyramidales de l'hippocampe (f

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20

Vlček, Pavel. "Analýza schopnosti jasového analyzátoru LDA - LumiDISP měřit náhradní teplotu chromatičnosti." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2021. http://www.nusl.cz/ntk/nusl-442553.

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This master's thesis deals with the search of commercially available luminance analysers and cameras that use the measurement of correlated colour temperature. It also deals with calculations of correlated colour temperature according to various available methods. The luminance analyser LDA-LumiDISP is based on a DSLR camera. The principle of its operation and possible errors in capturing pictures are discussed here. The work deals with extensive testing of the LDA-LumiDISP luminance analyser, which is primarily intended for measuring luminance in the set scene, but can also be used to measure

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21

He, J. (Jiguang). "Performance of MIMO and non-orthogonal transmission in lossy forward relay networks." Doctoral thesis, Oulun yliopisto, 2018. http://urn.fi/urn:isbn:9789526220475.

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Abstract In the current LTE-Advanced system, decode-and-forward (DF) is leveraged for cooperative relaying, where the erroneously decoded sequences are discarded at the relay, resulting in a waste of resources. The reason lies in that the erroneously decoded sequence can provide a certain amount of useful information about the source at the destination. Therefore, we develop a new relaying scheme, called lossy DF (also known as lossy forward (LF)), where the relay always forwards the decoded sequence to the destination. Beneficial from the always-forward principle, it has been verified that LF

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22

Poulsen, Andrew Joseph. "Real-time Adaptive Cancellation of Satellite Interference in Radio Astronomy." Diss., CLICK HERE for online access, 2003. http://contentdm.lib.byu.edu/ETD/image/etd238.pdf.

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23

Mahadevan, Mahesh S. "Distributed source channel coding of correlated sources." 2006. http://etd.nd.edu/ETD-db/theses/available/etd-10112006-230456/.

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Thesis (M.S.E.E.)--University of Notre Dame, 2006.<br>Thesis directed by Thomas Fuja and Jörg Kliewer for the Department of Electrical Engineering. "October 2006." Includes bibliographical references (leaves 65-66).

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24

Balmahoon, Reevana. "Security for correlated sources across wiretap network." Thesis, 2016. http://hdl.handle.net/10539/20123.

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A thesis submitted in ful llment of the requirements for the degree of Doctor of Philosophy in the School of Electrical and Information Engineering Faculty of Engineering University of the Witwatersrand July 2015<br>This thesis presents research conducted for the security aspects of correlated sources across a wiretap network. Correlated sources are present in communication systems where protocols ensure that there is some predetermined information for sources to transmit. Systems that contain correlated sources are for example broadcast channels, smart grid systems, wireless sensor

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25

Mahboubi, Seyyed Hassan. "On Wireless Sensor Networks with Arbitary Correlated Sources." Thesis, 2008. http://hdl.handle.net/10012/4234.

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An achievable rate region for general wireless sensor networks is proposed. A general multi-source, multi-relay, multi-destination wireless sensor network with arbitrarily correlated sources is considered. Each node can sense some real phenomena and send its readings to one or more sinks (data gathering nodes) via some relays. It also can relay some correlated or independent readings of other nodes, simultaneously. In this problem the source and channel coding separation is not optimal and the information which each reading has about others nodes is destroyed in separation. Thus, a joint sourc

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26

Montazeri, Pouragha Ehsanallah. "Predictive hybrid digital-analog coding for correlated sources." 2016. http://hdl.handle.net/1993/31734.

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While digital coding provides us with numerous benefits, it does have some shortcomings, namely the threshold and the leveling-off effects. These problems do not occur with the use of analog coding, however. Hybrid digital-analog coding systems use both digital and analog coding at the same time to take advantage of the strengths of both coding schemes, while avoiding the problems associated with each. In this work, we propose an HDA system for coding correlates sources. We find the optimal power allocation between the digital and analog parts, and verify the advantages of the suggested syste

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27

LAI, JENG-NAN, and 賴正男. "Estimation of Bearings with Near-Field Partially Correlated Sources." Thesis, 2000. http://ndltd.ncl.edu.tw/handle/74675717361188687622.

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碩士<br>國立臺灣大學<br>電信工程學研究所<br>88<br>Bearing estimation has been for a long term an important segment of antenna array signal processing. To find out the angle of the source is so-called bearing estimation. Many techniques have been developed in the field of bearing estimation, the famous MUSIC algorithm, for example. As to the situation of source in the field, generally incoherent issues only few related to partially correlated and coherent ones, are discussed. At first, bearing estimation issues of 1-D and 2-D antenna array near field and coherent sources are down for disc

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Liu, Chih-chung, and 劉至中. "Seasonal Variation of Ambient Volatile Organic Compounds and Sulfur-containing Odors Correlated to the Emission Sources of Petrochemical Complexes." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/28800961027054468873.

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碩士<br>國立中山大學<br>環境工程研究所<br>100<br>Neighboring northern Kaohsiung with a dense population of petrochemical and petroleum industrial complexes included China Petroleum Company (CPC) refinery plant, Renwu and Dazher petrochemical industrial plants. In recent years, although many scholars have conducted regional studies, but are still limited by the lack of relevant information evidences (such as odorous matters identification and VOCs fingerprint database), while unable to clearly identify the causes of poor ambient air quality. By sampling and analyzing VOCs, we will be able to understand the ma

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29

Liu, Po-Ting Bertram, and 劉柏廷. "The effect of fully correlated sources with spatial extents on spatial filtering on the MEG data - A study of Auditory Steady-State Response." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/xuef87.

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碩士<br>國立交通大學<br>工學院聲音與音樂創意科技碩士學位學程<br>107<br>This thesis focus on the problem in source imaging of auditory steady-state responses in MEG signals. When an audio stimulus is simultaneously presented to the ears of a subject, the brain waves recorded from the subject often have fully correlated sources. Conventional spatial filters cannot accurately estimate correlated sources because it’s assumed that all sources are not cross-correlated. The method in this thesis is dual-core beamformer (DCBF). There are some papers discussing the limitation of DCBF, but the effect of spatial extent on the per

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30

"Transmission Strategies for Two-Way Relay Channels." Doctoral diss., 2015. http://hdl.handle.net/2286/R.I.36464.

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abstract: The recent proposal of two-way relaying has attracted much attention due to its promising features for many practical scenarios. Hereby, two users communicate simultaneously in both directions to exchange their messages with the help of a relay node. This doctoral study investigates various aspects of two-way relaying. Specifically, the issue of asynchronism, lack of channel knowledge, transmission of correlated sources and multi-way relaying techniques involving multiple users are explored. With the motivation of developing enabling techniques for two-way relay (TWR) channels exp

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31

Zhong, Yangfan. "Joint Source-Channel Coding Reliability Function for Single and Multi-Terminal Communication Systems." Thesis, 2008. http://hdl.handle.net/1974/1207.

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Traditionally, source coding (data compression) and channel coding (error protection) are performed separately and sequentially, resulting in what we call a tandem (separate) coding system. In practical implementations, however, tandem coding might involve a large delay and a high coding/decoding complexity, since one needs to remove the redundancy in the source coding part and then insert certain redundancy in the channel coding part. On the other hand, joint source-channel coding (JSCC), which coordinates source and channel coding or combines them into a single step, may offer substantial im

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32

SHAHIDI, SHERVIN. "Robust Lossy Source Coding for Correlated Fading Channels." Thesis, 2011. http://hdl.handle.net/1974/6772.

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Most of the conventional communication systems use channel interleaving as well as hard decision decoding in their designs, which lead to discarding channel memory and soft-decision information. This simplification is usually done since the complexity of handling the memory or soft-decision information is rather high. In this work, we design two lossy joint source-channel coding (JSCC) schemes that do not use explicit algebraic channel coding for a recently introduced channel model, in order to take advantage of both channel memory and soft-decision information. The channel model, called the

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33

Fan-Min, Tseng, and 曾繁閔. "Capacity of Opportunistic Routing and Routing Mechanism of Correlated Source Over a Network." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/19044786296092381556.

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碩士<br>國立臺灣大學<br>電機工程學研究所<br>99<br>In wireless network, the broadcast feature makes the transmission link unreliable in certain network, like cognitive radio network or wireless mesh network. The opportunistic routing is therefore been proposed to solve the problem. In opportunistic routing, the end-to-end transmission path is not pre-determined. Every node would be potential forwarder. In this routing mechanism, we conclude that the capacity is bound in the situation that whether the forwarders to destination have received an un-transmitted packet so that it can transmit to destination. To sol

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34

Chiu, Yi-Shiang, and 邱奕祥. "Robust Source/Relays/Destination Joint Optimization for AF-MIMO Multiple-Relay Systems with Correlated Channel Uncertainties." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/27601764292800027879.

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碩士<br>國立中正大學<br>通訊工程研究所<br>99<br>In the thesis, the source/relays-precoders and the destination-equalizer combined optimization is proposed in a dual-hop amplify-and-forward (AF) multiple-input multiple-output (MIMO) multiple-relay system with Gaussian random and correlated channel uncertainties in both hops. With the aid of taking the correlated channel uncertainties into account, a robust transceiver joint optimization design is developed based on the minimum mean-squared error (MMSE) criterion under individual power constraints at the source and the relays. Simulation results demonstrate th

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35

Reitzner, S. Diane. "A study and optimization of helicity-correlated beam properties generated from the TRIUMF optically pumped ion source for the parity violation experiment at 221 MeV." 1996. http://hdl.handle.net/1993/19301.

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