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Yu, Li. "Typography in film title sequence design". [Ames, Iowa : Iowa State University], 2008.
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Krüger, Ingolf. "Distributed system design with message sequence charts". [S.l. : s.n.], 2000. http://deposit.ddb.de/cgi-bin/dokserv?idn=959973885.
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Chen, Riqing. "Polyphase spreading sequence design for spread spectrum systems". Thesis, University of Oxford, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.509906.
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Ratanalert, Sakul. "Sequence design principles for 3D wireframe DNA origami". Thesis, Massachusetts Institute of Technology, 2018. https://hdl.handle.net/1721.1/121818.
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Thesis: Ph. D., Massachusetts Institute of Technology, Department of Chemical Engineering, 2018Cataloged from PDF version of thesis.
Includes bibliographical references (pages 143-151).
DNA is a highly programmable molecule that can be designed to self-assemble into nearly arbitrary 2D and 3D nanoscale structures. DNA origami is a particularly versatile method to achieve complex molecular architectures. However, the rules for designing scaffolded DNA origami have not been well-formalized, which hinders both the investigation of characteristics of well- and poorly-folded structures as well as the participation of a larger scientific audience in DNA nanotechnology. In my thesis work, a fully automatic inverse design procedure DAEDALUS (DNA Origami Sequence Design Algorithm for User-defined Structures) has been developed that programs arbitrary wireframe DNA assemblies based on an input wireframe mesh without reliance on user feedback. This general, top-down strategy is able to design nearly arbitrary DNA architectures, routing the scaffold strand using a spanning tree algorithm and adding staple strands in a prescribed manner. The wireframe nanoparticles produced can use antiparallel crossover (DX) motifs, for robust selfassembly, parallel paranemic crossover (PX) motifs, for staple-free self-assembly, or a hybrid of the two, to minimize the number of staples required for folding to the ones necessary for functionalization. The thermodynamics of the self-assembly of these wireframe structures, and the effects of scaffold and staple routing, are investigated using quantitative PCR and FRET measurements, tracking fluorescence to elucidate global and local folding events. The framework developed should enable the broad participation of nonexperts in this powerful molecular design paradigm and set the foundation for further predictive models of DNA self-assembly.
by Sakul Ratanalert.
Ph. D.
Ph.D. Massachusetts Institute of Technology, Department of Chemical Engineering
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Yang, Jie. "Spreading sequence design for relay networks under multipath fading". Diss., Wichita State University, 2014. http://hdl.handle.net/10057/10946.
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Multipath frequency-selective fading can degrade the performance of a wireless communication system significantly as the data rate increases, e.g., when the data rate is as high as those of systems beyond long-term evolution (LTE)-Advanced. An effective method to combat multipath fading is a code division multiple access (CDMA) scheme. The objective of this dissertation is to present an effective method in designing nonbinary, secure, and optimum spreading and despreading pseudo noise (PN) sequences for CDMA multi-relay networks under frequency-selective fading by employing a maximum signal-to-interference-plus-noise ratio (SINR) criterion. This dissertation assumes that channel state information (CSI) is known at a central station such as a cloud radio access network (CRAN), which computes the optimum PN sequences and forwards them to both sources and destinations. This dissertation considers both partially and fully connected relay networks consisting of multiple sources, multiple relays, and multiple destinations. Direct links from sources to destinations are available in fully connected relay networks, whereas they are not available in partially connected relay networks. This dissertation also finds the optimum PN spreading and despreading sequences jointly and iteratively using the proposed novel method for multiple sources and destinations. Furthermore, it examines the sensitivity of the proposed schemes to imperfect CSI and wideband jamming. Simulation results verify that the proposed method can effectively improve system performance and can converge much faster in finding optimum PN sequences jointly for multiple sources and destinations than existing schemes under the same environment.Thesis (Ph.D.)-- Wichita State University, College of Engineering, Dept. of Electrical Engineering and Computer Science
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Kim, Hyunkee. "Computer aided product and sequence design for cold forging /". The Ohio State University, 1994. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487853913099622.
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Chreitah, B. "Rapid synchronization techniques for direct sequence spread spectrum systems". Thesis, University of Strathclyde, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.381111.
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Kim, Sooyoung. "Spatial sequence in the historic gardens". Thesis, Virginia Polytechnic Institute and State University, 1989. http://hdl.handle.net/10919/53224.
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In designing spaces, designers should consider spatial sequence and its experiences, since we experience environment in a sequence along movement. The more a place satisfies desired experiences, the more the place will be successful. This thesis explored spatial sequence as a design tool by examining the major design elements of spatial sequence, the designed patterns of these elements in some cultures, and the sequential experiences and effects of the patterns. As a way of exploring spatial sequence as a design tool, cases in formal classic landscapes (Korean temples, Mughul gardens in Kashmir and Italian villas) have been examined. Classic landscapes have developed elaborate sequential patterns to achieve certain experiences and effects. Especially, the spatial sequence of classic formal landscapes is designed to be experienced along a major axis and to show straight forward and highly controlled sequence. Thus, classic formal landscapes are good examples of showing strong relationship between spatial sequence and spatial experiences. The three landscapes are examined and compared in terms of change of level, change of spatial characteristics and transition places to explore spatial sequence and sequential experiences.
The results of this research showed that the designers of these landscapes deliberately used - spatial sequence to elicit certain emotional responses and experiences specifically desired under the contexts and purposes of the places. Korean temples located in the mountains provide good nature-reIated experiences and religious-but-inspiring experiences. The temple designers created delicate yet powerful sequential experiences through the effective use of site conditions and landscape elements. The designers of Mughul gardens worked to create cool and friendly spatial experiences in the hot climate and vast landscapes. They utilized water and planting materials in various ways to give a refreshing and intimate feeling through the whole sequence. Spatial sequences of Italian villas are designed to add to the pure pleasure of the residences and thus show the most articulated sequence design. Especially, level changes, as one of the sequential elements, have been used effectively to create or increase certain sequential experiences. ln Korean temples, the irregular slopes of sites are shaped sometimes into even and constant rises or sometimes into a rapid rise to make various sequential effects. The Mughuls deliberately made small level changes out of flat plains to create an intimate sequence. The Italians used level changes to create a vivid sequence. The steep slopes of hillsides are altered in two opposite directions: horizontally wide and vertically high. The existing site conditions are utilized and modified in various ways to make specific sequential experiences and effects.
The findings confirm that spatial sequence is an effective design device which can satisfy desired experiences and thus can create successful places. Good sequence is the one that is appropriate for its purpose and for the context in which it belongs. More concern for and more understanding of spatial sequence will enable the designer to create an environment that will provide more pleasing spatial experiences.Master of Landscape Architecture
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Bienert, Stefan [Verfasser], i Andrew [Akademischer Betreuer] Torda. "RNA Energetics And Sequence Design / Stefan Bienert. Betreuer: Andrew Torda". Hamburg : Staats- und Universitätsbibliothek Hamburg, 2016. http://d-nb.info/1093411449/34.
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Nagendra, Somanath. "Optimal stacking sequence design of stiffened composite panels with cutouts". Diss., This resource online, 1993. http://scholar.lib.vt.edu/theses/available/etd-06062008-170635/.
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Mack, David Phillip Dervan Peter B. Dervan Peter B. "Design and chemical synthesis of sequence specific DNA cleaving metalloproteins /". Diss., Pasadena, Calif. : California Institute of Technology, 1991. http://resolver.caltech.edu/CaltechETD:etd-06282007-112041.
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Kametani, Yuki. "Strategic Monomer Design for Alternating Copolymers and Sequence-Specific Properties". Doctoral thesis, Kyoto University, 2021. http://hdl.handle.net/2433/263687.
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Jain, Nitin. "Progressive die sequence design and blank shape determination in stamping". The Ohio State University, 2003. http://rave.ohiolink.edu/etdc/view?acc_num=osu1262973805.
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Tsuzuki, Shinji. "Sequence Design and Access Protocol for Baseband DS-CDMA Networks". Kyoto University, 1999. http://hdl.handle.net/2433/182379.
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Fraser, Jonathan. "Design and simulation of a coded sequence ground penetrating radar". Thesis, University of British Columbia, 2015. http://hdl.handle.net/2429/55659.
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In the context of climate change, ground water monitoring has become an important task for which Ground Penetrating Radar (GPR) has been ideally suited. However, the limited depth of investigation has prevented GPR’s use in situations with deep water tables. In order to meet these new depth objectives, a novel Radar has been designed. This new radar, marries modern digital coding techniques and the ever improving field of digital electronics with that of a prototypical GPR. The sequences chosen for investigation include Golay-codes and M-sequences. This new GPR uses off the shelf digital equipment to meet these demands and does so in a more cost effective manner than conventional GPR. The design and implementation of this radar is covered. Simulations of theoretical performance are included for both code types and include factors for both white noise and digitizer quantization. Preliminary results demonstrate that the use of digital codes allow for greater dynamic range above and beyond that afforded by an impulse radar. Specifically, we show that when used with pre-existing dynamic range Golay-codes can add an additional 50 dB of dynamic range. Contrarily, we show that M-sequences can provide a similar dynamic range but this is total and not in addition to receiver sensitivity. In both cases, however, we achieve total dynamic ranges greater than that of an impulse radar. According to the simulation, the increase in dynamic range from the sequences, combined with a lower frequency of radar (25 MHz), allow us to achieve previously unseen depths of investigation (180 m). This depth is under a presumed attenuation of 1 dB m −¹ . As an additional benefit of using these codes, we can exploit the use of commercial FPGAs for code generation and processing. This substantially reduces the cost and opens up the radar for the intended application of remote monitoring. This lower frequency has the adverse effect of lowering the
radar’s resolution. Moreover, the use of long codes increases the device’s acquisition time. However, these limitations do not unduly impact its intended use.Applied Science, Faculty of
Electrical and Computer Engineering, Department of
Graduate
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Bienert, Stefan Verfasser], i Andrew [Akademischer Betreuer] [Torda. "RNA Energetics And Sequence Design / Stefan Bienert. Betreuer: Andrew Torda". Hamburg : Staats- und Universitätsbibliothek Hamburg, 2016. http://nbn-resolving.de/urn:nbn:de:gbv:18-77311.
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Sevenler, Korhan. "Knowledge-based systems approach to forming sequence design for cold forging /". The Ohio State University, 1986. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487266362337857.
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AlSulaimani, Eman. "Reorientation: a journey through spatial sequence". VCU Scholars Compass, 2014. http://scholarscompass.vcu.edu/etd/3468.
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Introduction | The building for this thesis project is one with a long history. Originally built as the First Baptist Church, it was converted over the years to fulfill a role completely different from its original intent; a student center! During this process and after a series of renovations, the Broad Street main grand entrance lost its place and the arrival into the building became much less choreographed. Essentially, over time one could say that this building had been flipped around, it has lost its original intent, grandeur and purpose. Hypothesis | I challenge the idea of flipping the building back to its original state to return its historical glory, significance and grand emotional experience. I hypothesize that a reorganization of spatial sequence (i.e. bringing the outside in and extending the inside out) can help flip this building around. Materials and Methods | I introduce an internal three sided staircase that mimics what exits exteriorly in an attempt to bring the outside in. This staircase becomes the center’s focal point as it rises to the third mezzanine level. The staircase is based on the “Golden Section” idea of proportional geometries which has been found inherent in the building. I extend the inside out by turning the “monumental” exterior grand steps into a place people can utilize. Results | Placing such a large structure by the building’s entry points had great impact on drawing people into the building and up the steps into the main lounge consequently re-choreographing the arrival experience. The design solution breathes new life into this building while still respecting and acknowledging all of its crucial and historic elements. Just as the altar was a main focal point when this building served as a church, the new transparent elevator shaft that is tucked in between the spiraling stairs becomes the center’s new focal point. The contemporary facade that was inserted asymmetrically on the west side of the building emphasizes the symmetry and contrasts the existing structure causing tension between the old and new but proving that they can coexist.
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Bir, Amarpreet Singh. "Optimum stacking sequence design of composite sandwich panel using genetic algorithms". California State University, Long Beach, 2013.
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Brown, Kevin L. "Code and sequence design for adaptive combined CCMA CDMA multimedia networks". Thesis, University of Leeds, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.275665.
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Nishimori, Kana. "Molecular Design for Precise Sequence Control and Functions of Alternating Copolymers". Doctoral thesis, Kyoto University, 2020. http://hdl.handle.net/2433/253306.
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京都大学0048
新制・課程博士
博士(工学)
甲第22470号
工博第4731号
新制||工||1739(附属図書館)
京都大学大学院工学研究科高分子化学専攻
(主査)教授 大内 誠, 教授 秋吉 一成, 教授 竹中 幹人
学位規則第4条第1項該当
Doctor of Philosophy (Engineering)
Kyoto University
DGAM
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Rausch, Tobias [Verfasser]. "Dissecting multiple sequence alignment methods : the analysis, design and development of generic multiple sequence alignment components in SeqAn / Tobias Rausch". Berlin : Freie Universität Berlin, 2010. http://d-nb.info/1024541460/34.
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Bratoeva, Chaya, i chayab@tpg com au. "Liminal Sites/ Designing Marginal Space in Broadmeadows". RMIT University. Architecture and Design, 2009. http://adt.lib.rmit.edu.au/adt/public/adt-VIT20090525.112334.
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Liminal sites are those on the verge of change, between boundaries and in a temporary state of ambiguity. Throughout my practice as an architect I was aware of the existence of such spaces. I was also aware that they were rarely the product of my intentional design effort. Because of that to me these spaces were precious. They represent moments in space of ambiguous function and questionable beauty but also moments I sought out everyday. This masters research is my way of refocusing my practice to engage with these types of spaces. The sense that this search will take me outside of my understanding of architecture lead me to chose to undertake it as a masters in landscape architecture. My main research question is: How can a designer construct a liminal site? The research concentrates on four central themes - development of a definition of the term
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Zhao, Yuxuan. "Genius Loci---Vertical Temple Design". Thesis, Virginia Tech, 2019. http://hdl.handle.net/10919/87756.
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China is a high speed developing country during the past 40 years. However, when China became better and better, there were a lot of issues being left, such as boomed populations, urban village emerging, social media issues and lack of human spirit. All of these issues occurred in the modern urban context, which made the "Loci Genius" lose.
So how could architects reconstruct and conserve the "Genius Loci." I try to build the temple for people in the high dense city, which help people to find and think for themselves, to keep peaceful. I believe people and space could build the journey to the pilgrimage. The Buddha joss will not be made in the temple, but be established in every visitor's mind finally.M. Arch.
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Roggenkamp, Chrystal R. "Spatial Promenades: Sequential Experiences in Space and Time". University of Cincinnati / OhioLINK, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1306499060.
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Luong, Dung Viet Electrical Engineering & Telecommunications Faculty of Engineering UNSW. "Optimal training sequence design for MIMO-OFDM in spatially correlated fading environments". Awarded by:University of New South Wales. Electrical Engineering & Telecommunications, 2009. http://handle.unsw.edu.au/1959.4/44513.
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Multiple Input Multiple Output with Orthogonal Frequency Division Multiplexing (MIMOOFDM) has been widely adopted as one of the most promising air interface solutions for future broadband wireless communication systems due to its high rate transmission capability and robustness against multipath fading. However, these MIMO-OFDM advantages cannot be achieved unless the channel state information (CSI) can be obtained accurately and promptly at the receiver to assist coherent detection of data symbols. Channel estimation and training sequence design are, therefore, still open challenges of great interest. In this work, we investigate the Linear Minimum Mean Square Error (LMMSE) channel estimation and design nearly optimal training sequences for MIMO-OFDM systems in spatially correlated fading. We, first, review the LMMSE channel estimation model for MIMO-OFDM in spatially correlated fading channels. We, then, derive a tight theoretical lower bound of the channel estimation Mean Square Error (MSE). By exploiting the information on channel correlation matrices which is available at the transmitter, we design a practical and nearly optimal training sequence for MIMO-OFDM systems . The optimal transmit power allocation for training sequences is found using the Iterative Bisection Procedure (IBP). We also propose an approximate transmit power allocation algorithm which is computationally more efficient than the IBP while maintaining a similar MSE performance. The proposed training sequence design method is also applied to MIMO-OFDM systems where Cyclic Prefixing OFDM (CP-OFDM) is replaced by Zero Padding OFDM - OverLap-Add method (ZP-OFDM-OLA). The simulation results show that the performance of the proposed training sequence is superior to that of all existing training sequences and almost achieves the MSE theoretical lower bound.
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Prorocic, Marko Milenkov. "Sequence selectivity of the resolvase catalytic domain : implications for Z-resolvase design". Thesis, University of Glasgow, 2009. http://theses.gla.ac.uk/1059/.
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The extent of sequence specificity of the Tn3 resolvase catalytic domain was investigated by creating libraries of Tn3 site I variants in which all of the central 16 bp were systematically randomised in overlapping 4 bp blocks and recombination deficient and recombination proficient site I variants were selected using two different independent selection strategies employing an activated Tn3 resolvase mutant NM. A degree of flexibility in the sequences permitted in the central 16 bp of the Tn3 site I was observed especially at the positions 4, 7 and 8, but accumulating changes was found to be in general detrimental to recombination. The data was compared to the naturally occurring site I sequences associated with proteins from the Tn3 resolvase family, and integrated with the available structural information revealing a number of residues in the extended arm region that could account for the sequence selectivity observed. The sequence selectivity of the activated Tn3 resolvase NM catalytic domain was tested in the Z-resolvase context employing a similar but less exhaustive selection strategy using a purified Z-resolvase Z-R(NM). Z-resolvases with sequence selectivity that is different to that of Z-R(NM) were constructed using catalytic domains of activated mutants of Sin and Tn21 resolvases and their in vivo and in vitro properties were tested, highlighting the universality of the Z-resolvase approach and its potential for the future applications. A number of issues concerning the Z-resolvase design such as the optimum length of Z-sites, what is the effect of the Zif268 DNA-binding domain on catalytic activity i.e. is it activating or inhibiting, is symmetry a prerequisite in the design of Z-sites or can a Z-resolvase catalyse recombination on sites with an odd number of bases between Zif268 binding sites i.e. one half-site longer than the other, what is the relative influence of the Z-resolvase linker length, and can Z-resolvase be complemented by resolvase and catalyse recombination on appropriately designed hybrid sites were explored. The sequence selectivity of catalytic domains of Sin and Tn21 resolvases was compared using a combination of a mutant library selection strategy and the Sin-Tn21 resolvase hybrid experiments. An attempt to change the sequence selectivity of Tn3 resolvase catalytic domain into that of Sin resolvase, both in the resolvase and Z-resolvase context by mutating the specific residues, implicated in catalytic domain sequence selectivity was performed. The sequence selectivity of activated Tn3 resolvase catalytic domain was successfully changed into that of Sin resolvase
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Minoshima, Masafumi. "Design of Sequence-Specific DNA Binding Molecules for Regulation of Gene Expression". 京都大学 (Kyoto University), 2010. http://hdl.handle.net/2433/120689.
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Barnes, C. J. "A methodology for the concurrent design of products and their assembly sequence". Thesis, Cranfield University, 1999. http://dspace.lib.cranfield.ac.uk/handle/1826/3319.
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This thesis reports on the development of a two-tier methodology that provides support for assembly sequence construction, validation and evaluation in parallel with the design. This facilitates the production of products that are optimised for assemblability. The proposed approach diverges significantly from many of the sequence generation methods developed to date, which assume that assembly planning starts at the conclusion of the design process. It is believed that the latter approach misses an important opportunity to concurrently implement design and sequence improvements that would result in products inherently suited to assembly. The industrial assembly planning process was found to be completely different from the automatic sequence generation approach. The Two-Tier methodology has its foundations in this manual process, which uses a breadth-first, depth-second search. A constraint-based method is used to interactively validate the sequence. In direct contrast to traditional sequence generators, the hard and soft constraints are invoked throughout the process. A novel approach to sequence evaluation allows the user to quantitatively determine the suitability of the sequence at any time during the construction process. However, designers are rarely assembly experts and it is unreasonable to expect practical sequences to be generated without assistance. Thus, a set of generic assembly planning rules was identified from industrial surveys by the author. These were collaboratively implemented into an Expert Assembler, which currently consists of two mini advisors. Support is available to identify the most suitable base component and the most appropriate component to add next. The Two-Tier methodology has been implemented into a computer-based system called SPADE (Sequence Planning And Design Environment). A four-layer model holds the product data that underpins this implementation. The methodology and SPADE have been successfully tested using representative case studies and the results are reported as part of this thesis.
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Sanzhong, Li, Zhang Qishan i L. L. Cheng. "DESIGN OF A PARALLEL MULTI-CHANNEL BPSK DIRECT-SEQUENCE SPREAD-SPECTRUM RECEIVER". International Foundation for Telemetering, 1997. http://hdl.handle.net/10150/609680.
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International Telemetering Conference Proceedings / October 27-30, 1997 / Riviera Hotel and Convention Center, Las Vegas, NevadaA parallel multi-channel receiver for binary phase shift keyed (BPSK) direct-sequence (DS) spread-spectrum (SS) is introduced in this paper. It adopts a Costas carrier frequency-tracking loop which maintains frequency lock rather than phase lock, and the delay-lock error can be noncoherently obtained to track the PN code. For airborne applications, this method will extend effectively the receiver’s tracking dynamics range for the carrier Doppler shift. A erasable programmable logic device (EPLD) is applied to get the advantage of smaller size and higher flexibility. A high speed microprocessor (TMS320C30) which acts as the processing unit of the receiver is used for acquiring and tracking of the carrier and PN code by digital signal processing algorithms. This receiver is more flexible and is easily improved by reconfiguring the EPLD and modifying the software algorithms. Its fundamental principle is described in the paper.
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Jin, Shengzhe. "Quality Assessment Planning Using Design Structure Matrix and Resource Constraint Analysis". University of Cincinnati / OhioLINK, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1292518039.
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Huang, Yiming. "Phoneme Recognition Using Neural Network and Sequence Learning Model". Ohio University / OhioLINK, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1236027180.
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Ojeda, May Pedro Armando [Verfasser]. "Protein folding simulations: confinement, external fields and sequence design / Pedro Armando Ojeda May". Kassel : Universitätsbibliothek Kassel, 2010. http://d-nb.info/1001692748/34.
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Cloud, D. J. "A weighting sequence approach to the analysis and design of multivariable control systems". Thesis, University of Oxford, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.233477.
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Hamouda, Mohamed [Verfasser]. "Design of Integrated RF Components for M-Sequence Ultra-Wideband Systems / Mohamed Hamouda". München : Verlag Dr. Hut, 2015. http://d-nb.info/1075408660/34.
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Shah, Premal S. Rees Douglas C. "Advances in force field development and sequence optimization methods for computational protein design /". Diss., Pasadena, Calif. : California Institute of Technology, 2005. http://resolver.caltech.edu/CaltechETD:etd-04042005-142719.
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Soremekun, Grant A. E. "Genetic Algorithms for Composite Laminate Design and Optimization". Thesis, Virginia Tech, 1997. http://hdl.handle.net/10919/36699.
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Genetic algorithms are well known for being expensive optimization tools, especially if the cost for the analysis of each individual design is high. In the past few years, significant effort has been put forth in addressing the high computational cost GAs. The research conducted in the first part of this thesis continues this effort by implementing new multiple elitist and variable elitist selection schemes for the creation of successive populations in the genetic search process. The new selection schemes allow the GA to take advantage of a greater amount of important genetic information that may be contained in the parent designs, information that is not utilized when using a traditional elitist method selection scheme. By varying the amount of information that may be passed to successive generations from the parent population, the explorative and exploitative characteristics of the GA can be adjusted throughout the genetic search also. The new schemes provided slight reductions in the computational cost of the GA and produced many designs with good fitness' in the final population, while maintaining a high level of reliability. Genetic algorithms can be easily adapted to many different optimization problems also. This capability is demonstrated by modifying the basic GA, which utilizes a single chromosome string, to include a second string so that composite laminates comprised of multiple materials can be studied with greater efficiently. By using two strings, only minor adjustments to the basic GA were required. The modified GA was used to simultaneously minimize the cost and weight of a simply supported composite plate under different combinations of axial loading. Two materials were used, with one significantly stronger, but more expensive than the other. The optimization formulation was implemented by using convex combinations of cost and weight objective functions into a single value for laminate fitness, and thus required no additional modifications to the GA. To obtain a Pareto-optimal set of designs, the influence of cost and weight on the overall fitness of a laminate configuration was adjusted from one extreme to the other by adjusting the scale factors accordingly. The modified GA provided a simple yet reliable means of designing high performance composite laminates at costs lower than laminates comprised of one material.Master of Science
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Eklund, Jennifer Lee. "Design and characterization of homing endonuclease I-PpoI variants with novel DNA sequence specificity /". Thesis, Connect to this title online; UW restricted, 2005. http://hdl.handle.net/1773/10265.
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Song, Tiancheng. "Sequence design for CDMA system". 2002. http://hdl.handle.net/1993/19753.
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Hsieh, Te-Wen, i 謝德文. "Feature Vector Design for Biological Sequence". Thesis, 2004. http://ndltd.ncl.edu.tw/handle/40004309413005082530.
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碩士國立嘉義大學
資訊工程學系研究所
94
Study on biological sequence database similarity searching has received substantial attention in the past decade, especially after the sequencing of the human genome. With larger and larger increases in database sizes, fast similarity search is becoming an important issue. Transforming subsequences into numerical vectors, called feature vectors, for storing in a multidimensional data structure is becoming a promising method. In our research, we present an effective transformation method, called SD (Sequence Descriptor) Transformation which uses multiple features of a sequence including Count, RPD (Relative Position Dispersion), and APD (Absolute Position Dispersion) to represent the original sequence data. In contrast to the q-gram frequency transformation, this avoids the problem of exponentially growing vector size. Also, we present a transformation, called Segment Transformation, which recursively divides sequence data into equal-length subsequences, and concatenates them after transformation of the subsequences. Finally, we design a dynamic weighting distance which can provide better accuracy than L1 distance when executing SD Transformation on sequence data without considering using a multidimensional indexing structure. Experiments on human genome data show that our transformation method is more effective than q-gram frequency transformation, and our dynamic weighting distance actually can provide better accuracy than L1 distance.
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Fechter, Eric James. "Design of Sequence-Specific DNA Intercalators". Thesis, 2005. https://thesis.library.caltech.edu/2456/2/02Intro.pdf.
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Small molecules that bind specific DNA sequences may have powerful therapeutic applications by influencing the mechanisms of abnormal gene expression. Polyamides containing N-methylimidazole (Im) and N-methylpyrrole (Py) specifically bind the minor groove of DNA and have been shown to inhibit many protein-DNA complexes. However, some major groove-binding proteins can co-occupy the same DNA sequences as polyamides. Presented here are polyamide-intercalator conjugates that specifically bind target regions of DNA and deliver a non-specific intercalator to an adjacent site. The studies detail intercalative unwinding of specific DNA sequences to allosterically inhibit any protein:DNA complex. The evolution of sequence-specific polyamides to bisintercalate DNA and cause larger distortion of the helix is described. The success of hybrid molecules containing mixed DNA binding modes led to the development of a bis-polyamide-intercalator motif, modeled after the natural product actinomycin D, which is capable of specifically binding extended sequences of DNA. Also described is a polyamide-intercalator series which shows large fluorescence enhancement upon specific DNA binding and may be useful in detecting specific DNA sequences within living cells.
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Zadeh, Joseph N. "Algorithms for Nucleic Acid Sequence Design". Thesis, 2010. https://thesis.library.caltech.edu/5801/1/thesis.pdf.
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Motivated by a growing field of research focused on programming function into biomolecules, we seek to decrease the cost of high-quality rational nucleic acid sequence design while increasing its versatility and availability. We begin by describing an algorithm for designing the sequence of one or more interacting nucleic acid strands intended to adopt a target secondary structure at equilibrium. Using ensemble defect optimization, we seek to minimize the average number of incorrectly paired nucleotides at equilibrium, calculated over the entire ensemble of unpseudoknotted secondary structures. Empirically, the algorithm exhibits asymptotic optimality and costs 4/3 the time of a single objective function evaluation for large structures. We then extend this algorithm to design multi-state systems with an arbitrary number of linked targets and demonstrate its efficacy on systems invented by molecular engineers. To improve the ease of use and availability of nucleic acid analysis and design tools, we present NUPACK, a web application already in wide use that allows the international research community to share a high-performance compute cluster for the analysis and design of systems of interacting nucleic acids.
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OU, XIAN-CHANG, i 歐憲昌. "Test sequence generator for design verification". Thesis, 1986. http://ndltd.ncl.edu.tw/handle/03030418892007426091.
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Yu, Ching-Lin, i 游景麟. "Sequence-Based Text Retrieval: Design and Implementation". Thesis, 2002. http://ndltd.ncl.edu.tw/handle/86301821483889612691.
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碩士國立臺灣大學
資訊管理研究所
90
Information retrieval (IR) concerns how computers can help people effectively and efficiently find information that meets their needs. Most approaches to text information retrieval view documents and queries as sets of terms with or without weights and base their relevance judgement on term appearances. These approaches ignore information that can be derived from term positions. Such information can associate terms with terms and may be used to improve retrieval effectiveness. However, no text retrieval system seems to exploit positional information to its full potential. In this thesis, we develop a sequence-based IR approach motivated by the above observation. The sequence-based approach views documents and queries as sequences of terms and bases relevance judgement on sequence similarity, which is an generalization of string similarity. We focus on applying our approach to Chinese text retrieval. We implement a text retrieval system based on this approach and conduct a number of experiments to test the effectiveness of this approach. The experimental results show the preferability of our sequence-based approach compared to appearance-based approaches. We preliminarily discuss the influence of incorporating positional information on indexing. We also demonstrate the potential of our approach through extensions to our approach and integration with other IR models/systems.
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Lee, Gen-Ding, i 李鑑定. "MC-CDMA sequence design with Multiobjective Optimization". Thesis, 2010. http://ndltd.ncl.edu.tw/handle/50184823639027831124.
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碩士國立暨南國際大學
通訊工程研究所
98
In the uplink of multicarrier code division multiple access (MC-CDMA) systems, different users employ different spreading sequences to distinguish their transmitted data. In this uplink scenario, the peak-to-average power ratio (PAPR) and multiple access interference (MAI) resistance capability are largely affected by the spreading sequences used. If these two above-mentioned factors are kept at a low level, the performance of the considered MC-CDMA system will surely be improved. In this thesis, we apply multiobjective optimization techniques to tackle this problem. Both factors can then be deliberated and compromised in the design process to enhance the system performance. Specifically, NSGA-II from Multiobjecctive evolutionary algorithm (MOEA) is used to generate the complex spreading sequences and locate the Pareto front. We show that the resultant sequences can give a very good trade-off between the PAPR and MAI resistance capability.
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Huang, Chiun-wei, i 黃鈞蔚. "Robust training sequence design for cooperative communications". Thesis, 2010. http://ndltd.ncl.edu.tw/handle/45132602343894086126.
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碩士國立中山大學
通訊工程研究所
98
Recently, the difficulty of placing multiple antennas onto a mobile terminal to exploit more diversity has been solved by using the cooperative communication technique, in which several relay nodes with a single antenna partner with each other to serve as virtual multiple antennas for providing the spatial diversity. Many existing researches in cooperative communication focuses on designing relay strategies to achieve better communication performance. However, most of their designs require the channel state information (CSI) being perfectly known. Unfortunately, CSI is generally unknown in practice. Therefore, before getting benefits brought by the relay-assisted network, it is necessary to obtain accurate channel state information (CSI) at the destination or relays. In this thesis, we also consider the training design for channel estimation in the AF relay network. The involvement of multiple relay nodes to exploit space diversity in cooperative communications requires sophisticated and complicated protocols, which poses a difficulty in avoiding all possible misbehaving relay nodes. Therefore, the channel estimation scheme in cooperative communication network needs to be robust against the possible relay misbehaviors. However, most prior works focused on developing channel estimation schemes by assuming perfect relayassisted communication protocol. By contrast, this work focuses on designing robust channel estimation schemes to combat the possible presence of the relay misbehaviors. Besides considering the robust design against relay misbehaviors, this work also considers more general channel model when designing the training sequence and channel estimation scheme. Specifically, in contrast to assume independent channels across relays, this thesis considers the correlated channels in both phases and the correlated noises in the first phase. Overall, the main problem of this work is to design robust channel estimation and training sequences against relay misbehaviors when the communication channels within the cooperative network are not restricted to be independent.
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Stanners, Steven Paul. "Design and analysis of direct-sequence multiuser receivers". Thesis, 1988. http://hdl.handle.net/1911/13399.
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Matched filter receivers are commonly used for Direct-Sequence Spread-Spectrum Multiple-Access communication systems. These receivers are easy to implement and analyze, and are optimal for single user Gaussian noise channels. However, for applications in spread-spectrum networks, lower average bit-error probability can be achieved by a receiver which takes into account the effect of the interfering users. Two such receivers which form Maximum-Likelihood decisions given an observation vector consisting of chip correlator outputs are shown to perform better than the matched filter. The performance of these receivers is analyzed via Monte Carlo simulations using Importance Sampling. The level of improvement over the matched filter is dependent upon the relative levels of Gaussian noise and multiple-access interference. These receivers demonstrate less deterioration of performance in near-far situations than the matched filter, and find application in wide-band radio networks.
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Feldkamp, Udo [Verfasser]. "Computer aided DNA sequence design / von Udo Feldkamp". 2005. http://d-nb.info/997971916/34.
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Yeh, Yunghsin, i 葉詠欣. "MC-CDMA Sequence Design for Downlink Wireless Systems". Thesis, 2012. http://ndltd.ncl.edu.tw/handle/49839854120319231247.
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碩士國立暨南國際大學
電機工程學系
100
In this research, we optimize the spreading sequences for downlink Multi-Carrier Code Division Multiple Access (MC-CDMA) systems using multiobjective evolutionary algorithm (MOEA). The major drawbacks of MC-CDMA are high Peak-To Average Power Ratio (PAPR) of the transmit signal and the Multiple Access Interference (MAI) between synchronized users. With the aim of minimizing the MAI and PAPR Reduction, a set of binary spreading sequences is presented by NSGA-II. Then the effectiveness of these spreading sequences is confirmed by exhaustive computer simulations. Specifically, we compare the performance of the proposed sequences with two kinds of orthogonal sequences, i.e. Walsh-Hadamard sequences and Golay complementary sequences.
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Wong, Yu-Ting, i 翁郁婷. "Iterative Training Sequence Design for Multiuser MIMO Systems". Thesis, 2013. http://ndltd.ncl.edu.tw/handle/27183546640339276650.
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碩士國立交通大學
電子研究所
101
Next generation communication standards are set to use MIMO transmission techniques to improve capacity and link reliability. This methods, which include SU-MIMO, MUMIMO, and network MIMO (also known as CoMP), are expected to work seamlessly with OFDM and OFDMA to provide ease of decoding and multiple access. The reduced decoding complexity, however, is traded off by requiring accurate channel information, and synchronization (e.g. frame and carrier frequency offset). Unfortunately, proposed preambles and pilots, or training sequences, in these standards are not necessarily designed to render optimal channel estimation performance; rather, they are usually biased toward providing accurate frame synchronization. The optimality is destroyed because these sequences do not account and exploit physical channel attributes, such as transmitter-receiver coupling and spatial correlation, which can dramatically improve estimation accuracy if they are properly utilized during the design process. The sequence design problem for multiple user systems is exacerbated by the existence of colored noise, which can make the overall design problem nonconvex. Thus, finding the global optimal solution becomes computational expensive. Previous works have bypassed this problem by assuming little or no spatial coupling exists between the transmitter and receiver, such that the MIMO channel can be sufficiently modeled using the Kronecker model. This assumption, however, is questionable in most actual scenarios. Further extension has been made by using nonlinear optimization method to refine the solution obtained using the above technique. This, of course, does not guarantee that the global optimal solution can be obtained. In this thesis, an overview of SU-MIMO transmission techniques will be given, followed by a general discussion on sequence design techniques and MIMO channel estimation for single- and multiuser systems. Next, an iterative training sequence design scheme called iterative superimposed training sequence design with multiple interferers, or ISIMI, is presented for estimating MIMO channels with colored noise. The proposed approach does not utilized nonlinear optimization as used in previous literature, nor make any assumption about the lack of interdependence between the transmitter and receiver. The approach is proven to converge to at least a local optimal solution and is shown consistently by Monte Carlo simulation to outperform previously proposed MSE based approach for 2×2 and 4×4 MIMO systems, respectively, in terms of MSE. Analytical results illustrating efficacy and deficiency of ISIMI is also included. In addition, computational complexity of ISIMI is illustrated in terms of number of arithmetic operations. The thesis is concluded with a discussion possible modification for ISIMI in order to further improve its performance. This is followed by a discussion on how it can be extended to robust training sequence design for MIMO system with multiple interferers, and sequence design with limited feedback.