Relevant bibliographies by topics / Stack and Reader Division

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers

Academic literature on the topic 'Stack and Reader Division'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "Stack and Reader Division"

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Pan, Yongsheng, and Yuandan Dong. "Circularly Polarized Stack Yagi RFID Reader Antenna." IEEE Antennas and Wireless Propagation Letters 19, no. 7 (2020): 1053–57. http://dx.doi.org/10.1109/lawp.2020.2987936.

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Schleicher, J., P. Hubral, and M. Tygel. "Geometrical‐spreading correction by a dual diffraction stack." GEOPHYSICS 58, no. 12 (1993): 1870–73. http://dx.doi.org/10.1190/1.1443403.

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Prestack diffraction‐stack migration methods (also often called Kirchhoff‐type migration) play a fundamental role in seismic imaging. In two dimensions, they are widely applied in practice. In three dimensions, however, they still remain the topic of active research. The interested reader can find the relevant literature on the subject in the few references cited in the text.
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Wang, Xiao Li, and Jing Tu. "The Research and Design of Card Reader Based on RFID." Applied Mechanics and Materials 229-231 (November 2012): 1511–14. http://dx.doi.org/10.4028/www.scientific.net/amm.229-231.1511.

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This paper designed a RFID-based card reader system, which is based on Cortex-M3 LM3S9B90 chip controller, using MRC531 as the base station chip and Mifare1S50 as card read-write. The system realizes the identification and data reading and writing of Mifare1S50 card with a frequency of 13.56MHz, while it can also communicate with the host computer conveniently. The communications use open-source TCP / IP protocol stack LWIP.
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Sheng, Hui, Yan Ping Wang, Xin Bo Zhang, and Xiao Ling Wang. "An Improved Anti-Collision Algorithm in RFID System." Applied Mechanics and Materials 273 (January 2013): 736–40. http://dx.doi.org/10.4028/www.scientific.net/amm.273.736.

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Tag collision problem is the key issue that affects the reading efficiency of the RFID system. This paper presents an improved binary tree anti-collision algorithm based on the jump dynamic tree.We used stack technology, backward strategy to avoid the reader identifying the tag from the tree roots. We used thinking of reducing bit to avoid the reader sending the highest collision bit set 0, which effectively reduce the data transmission bits. The simulation results and analysis show that that the efficiency of the algorithm has been obviously improved.
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Xie, Yu Min. "A RFID Privacy Protocol Based on PUF." Key Engineering Materials 467-469 (February 2011): 554–60. http://dx.doi.org/10.4028/www.scientific.net/kem.467-469.554.

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Physical Unclonable Function (PUF) is an excellent choice for key management in security domain. A Silicon PUF based RFID privacy protocol is proposed. Unlike general PUF applications which apply PUF in the tag-end, we employ PUF within a reader. Challenge -Responding Pairs (CRPs) on PUF in the proposal are reusable. Tag’s data structure is designed to a three level stack. Each level of the stack stands for a privacy state of the tag. State changing needs a password which only be transferred with plaintext. Password produce, storage, input/output operations are program control. We take a supermarket as application scene.
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Qian, Zhi Hong, Nan Wu, Tian Ping Li, Shi Qiang Zhao, and Shuang Zhu. "A Fast Tag Anti-Collision Algorithm for RFID Systems." Advanced Materials Research 791-793 (September 2013): 1393–96. http://dx.doi.org/10.4028/www.scientific.net/amr.791-793.1393.

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A fast tag anti-collision algorithm is proposed based on the binary search algorithm. First, the reader sends a query to make sure of what prefixes all the tags have, and the prefixes were pushed into a stack. Then queries containing the prefix information are sent to identify the tags. During the query process, the bits of data transmitted between the reader and the tags were greatly reduced; the back track strategy was adopted to reduce the reader query times. Simulation results show that the proposed algorithm achieves better performance than other algorithms by reducing query times and identification delay and increasing throughput, and is more suitable for the identification of great amounts of data in Internet of Things environment.
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Zhong, Geng Lei, Yi Hua Feng, and Min Liu. "Development of RFID Cigarette Pallet Warehouse System." Advanced Materials Research 712-715 (June 2013): 2995–3000. http://dx.doi.org/10.4028/www.scientific.net/amr.712-715.2995.

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This paper introduces the main application of cigarette pallet warehouse system and RFID pallet. The function of a whole stack of pieces of cigarette combined with the cigarette pallet warehouse system was simulated, such as: input, output, inventory, stock transfer and so on. The key part of the system is the use of RFID reader and tag.
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Yi, Jian Jun, Fei Luo, Shao Li Chen, Bai Yang Ji, and Hai Xu Yan. "Research on a Dynamic Binary Stack Anti-Collision Algorithm." Applied Mechanics and Materials 268-270 (December 2012): 1426–31. http://dx.doi.org/10.4028/www.scientific.net/amm.268-270.1426.

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RFID anti-collision technology is one of a key technology in RFID application system. Anti-collision algorithms for RFID systems include tag anti-collision algorithms and reader anti-collision algorithms. This paper focused on the impoved binary algorithm and dynamic binary algorithm. An improved algorithm has been proposed, in which the collision bits was put into the stack and they were used as the reader’s request. Based on this mechanism, a novel binary stack algorithm has been proposed. Its simulation was given to analyze the performance of this algorithm. The simulation results showed that the amount of transmitted data in proposed algorithm was obviously less than those in the other two traditional algorithms with the number of tags and their bytes increasing. Consequently, the performance of the proposed algorithm is much better than that of the traditional anti-collision binary algorithm.
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Hui, Xiaonan, and Edwin C. Kan. "Collaborative Reader Code Division Multiple Access in the Harmonic RFID System." IEEE Journal of Radio Frequency Identification 2, no. 2 (2018): 86–92. http://dx.doi.org/10.1109/jrfid.2018.2852484.

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Liu, Yifang, Tingting Dai, Peiqin Xie, et al. "Shorting out bonding method for multi-stack anodic bonding and its application in wafer-level packaging." Modern Physics Letters B 34, no. 32 (2020): 2050369. http://dx.doi.org/10.1142/s0217984920503698.

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Silicon/glass anodic bonding is widely investigated during MEMS packaging of multi-stack structures. The electrical behavior of anode bonding can be described as the charging and discharging process of RC circuit. Here, we conduct the equivalent RC circuit model analysis and experimental investigation, and demonstrate that voltage division and electricity leakage are the dilemma for the conventional multi-stack anodic bonding. By using feedthrough, the feasibility and convenience of “shorting out bonding” is presented, which is exampled through the wafer-level packaging of the MEMS gyroscope. Result from the sensor’s vacuum characterization reveals that shorting out bonding for multi-stack silicon/glass structures is an effective method for wafer-level packaging due to long-term stability and low temperature property.‘
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Dissertations / Theses on the topic "Stack and Reader Division"

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Keene, Nancy L. "A Research Study of the Effect of Instruction in the Basal Reader Supplemented by the Language Experience Approach on Comprehension Scores of First Grade Readers." UNF Digital Commons, 1985. http://digitalcommons.unf.edu/etd/303.

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The purpose of this study was to determine whether children enrolled in two first grade classes who did not meet the criterion score for one or more of the seven subtests on a selected readiness test given during the first two weeks of the school year would make higher scores on selected comprehension measures when instruction in a basal reading series is supplemented with instruction in the language experience approach than children who receive instruction only in basal reader materials. Language experience activities were conducted with all reading groups in the experimental class for three days every two weeks. Group experience stories and word bank activities were not done with the control group which used only basal materials. A factorial analysis of variance model was selected to analyze the data on the Gates-MacGinitie Reading Test on the main effects of type of instruction, sex, and classification of students. No significant difference at the .05 level was found for the null hypotheses tested; however, a slight non-significant difference was found in the mean scores of the target children in both classes with the language experience group having an 80% higher mean score than the control group.
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Darberg, Sandra. "Exploring values of Money, Reputation, and Appearance : Discussing the impact of class divisions through Jane Austen´s Pride and Prejudice in the EFL classroom." Thesis, Linnéuniversitetet, Institutionen för språk (SPR), 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-88762.

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This essay is a discussion about how English teachers in the Swedish school system can use Jane Austen’s Pride and Prejudice to encourage awareness and reflection in students regarding issues of class division and its impact on society. The essay provides examples of how the contemporary Swedish society and the society depicted in Pride and Prejudice share both similarities and differences in issues regarding class division. The reader response perspective has been applied to show how teachers may use the novel to emphasize students’ reflections and responses. This, in the hope of creating rewarding discussions in the classroom that are based on the curriculum for the Swedish upper secondary school’s content of democratic values and human rights. This essay will show that Pride and Prejudice is a suitable choice of literature to use as basis for generating awareness and reflection regarding the issues of the impact of class divisions on society in the EFL classroom.
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Mao, Hung-Kang, and 毛鴻綱. "Spatial Division Multiple Access UHF RFID Reader Design." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/qu572k.

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碩士
國立臺灣科技大學
電機工程系
106
In recent years, radio frequency identification systems have been widely used in daily life, such as automatic road tolls, smart home appliances, electric passports, and so on. Based on the requirements of most RFID applications, reading multiple tags simultaneously by the same reader is a necessary function of a reader. This work implements a MIMO space multiple division radio frequency identification system. The system can be roughly divided into three parts. Firstly, using pseudo Doppler method technology. It estimates the incident angle of two tag signals. Secondly, via the digital beamforming technology. It sends reader signals to the target tags. Finally, via the digital beamforming technology. It separates the backscatters with different incent angle, and reads two tags simultaneously. This work develops a SDMA RFID system with a uniform circular array consisting of three dipole antenna using National Instrument, vector signal transceiver. Some experiments was measured in a microwave non-reflection chamber and an indoor laboratory as well. Experimental results show that the system successfully estimates the incident angle of two tags by pseudo Doppler method and calculates the corresponding beamforming weights. Then, two different reader commands are transmitted to the target tags. Finally, two backscatters are separated by digital beamforming method.
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Kung, Tom, and 孔德華. "Business Plan for eBook Reader OEM/ODM Division." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/64396751924929082940.

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碩士
國立政治大學
國際經營管理英語碩士學位學程(IMBA)
98
This business plan is for an OEM/ODM company to launch a new eBook Reader Division targeting on emerging eBook reader OEM/ODM business. Since the success of Amazon Kindle eBook Reader, the industry expect significant growth after 2010 as the technology and platform are mature enough to provide a good feature product to meet consumer’s requirement in portable reading. The X Company is an OEM/ODM company with a lot of experience in 3C device design and manufacture. Its scale is medium size, much smaller than first tier OEM/ODM companies, like Foxconn and Wistron. However, it still have some bargaining power in some specific category. This business plan is to analysis the market opportunity and build competitive advantages for eBook reader OEM/ODM business. The plan starts from January 2010 and will create a team for eBook reader OEM/ODM business. With next 4 years, this business division’s target is to achieve 6% market share of global eBook OEM/ODM business and it will generate about 3.7 million USD Net Present Value.
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Books on the topic "Stack and Reader Division"

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Canada, United Church of. Communication reader. United Church of Canada, Division of Communication, 1995.

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1952-, Barker Edna, ed. A Peter Gzowski reader. M&S, 2002.

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The Mac bathroom reader. Sybex, 1994.

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Penny, Gean, and Nunnie L. Stick and Stack: A Reluctant Reader Mystery. Gean Penny Books, 2020.

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Gzowski, Peter. A Peter Gzowski Reader. McClelland & Stewart, 2002.

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A Peter Gzowski Reader. McClelland & Stewart, 2001.

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1961-, Lerman Nina E., Oldenziel Ruth 1958-, and Mohun Arwen 1961-, eds. Gender & technology: A reader. Johns Hopkins University Press, 2003.

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(Editor), Nina Lerman, Ruth Oldenziel (Editor), and Arwen P. Mohun (Editor), eds. Gender and Technology: A Reader. The Johns Hopkins University Press, 2003.

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J, Ely Robin, Scully M, Foldy E, and Simmons College (Boston, Mass.). Center for Gender in Organizations., eds. Reader in gender, work, and organization. Blackwell Pub., 2003.

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Ely, Robin J., and Maureen A. Scully. Reader in Gender, Work and Organization. Blackwell Publishing Limited, 2003.

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Book chapters on the topic "Stack and Reader Division"

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Heath, Stephen, Colin MacCabe, and Denise Riley. "John Barrell, The Birth of Pandora and the Division of Knowledge (1992)." In The Language, Discourse, Society Reader. Palgrave Macmillan UK, 2004. http://dx.doi.org/10.1057/9780230213340_19.

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"New Lines of Division in the New Berlin." In The Berlin Reader. transcript-Verlag, 2013. http://dx.doi.org/10.14361/transcript.9783839424780.95.

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Lopez-Aguado, Patrick. "Negotiating and Resisting the Carceral Social Order." In Stick Together and Come Back Home. University of California Press, 2018. http://dx.doi.org/10.1525/california/9780520288584.003.0004.

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This chapter discusses how affiliated identities are performed within a context in which individuals must read each other’s position in the carceral social order. Specifically, I examine how participants use space and style to signal one’s ties to the racialized groups institutionalized in punitive settings. Additionally, this chapter explores how individuals attempt to negotiate and resist the prevailing carceral social order when they do not fit neatly into the system’s organizational schema. Participants who have a mixed-race identity or who have family members in rival gangs have to figure out how they will navigate a divisive environment in which their position is not immediately clear. In these instances, individuals have to choose one affiliation over another or, in some cases, attempt to exclude themselves from the carceral social order altogether by refusing to affiliate with anyone.
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"Michelene Wandor: Cross-Dressing, Sexual Representation and the Sexual Division of Labour in Theatre." In The Routledge Reader in Gender and Performance. Routledge, 2002. http://dx.doi.org/10.4324/9780203143926-40.

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Tuozzo, Thomas. "Rethinking the Division of Pleasure in Plato’s Philebus." In Proceedings of the XXIII World Congress of Philosophy. Philosophy Documentation Center, 2018. http://dx.doi.org/10.5840/wcp232018221328.

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In the Philebus Socrates presents his division of the kinds of pleasures and pains to an interlocutor who (a) confesses himself incapable of employing the dialectical method of division that this task ideally requires and (b) is committed to defending a hedonist theory of value. These two features of his interlocutor affect the way in which Socrates presents his accounts of pleasure and pain. The philosophical reader needs to rethink the accounts of pleasure and pain to produce an account that is free from these limitations. In this paper I sketch the outlines of such an account, based on material that Socrates provides throughout the dialogue. I argue that there are two fundamental, mutually irreducible types of pain and pleasure: those produced by the disruption and restoration of a natural harmony (either bodily or psychic), and those involving the representation of oneself as in a good or bad state. I then produce an account of pleasure and pain as such, which applies to both of these types: pleasure and pain are the cognition of oneself as in a good or bad state.
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Moniz, Henrique, Alessandra Tedeschi, Nuno Ferreira Neves, and Miguel Correia. "A Distributed Systems Approach to Airborne Self-Separation." In Computational Models, Software Engineering, and Advanced Technologies in Air Transportation. IGI Global, 2010. http://dx.doi.org/10.4018/978-1-60566-800-0.ch011.

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This chapter introduces the reader to the benefits of distributed computing in air transportation. It presents a solution to airborne self-separation based on RAPTOR, a stack of distributed protocols that allows aircraft to reach different types of agreement in the presence of faults, both of accidental and malicious nature. These protocols are used as primitives to implement specific services for airborne self-separation, which are created within the context of a conflict resolution algorithm based on game theory.
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Thackeray, William Makepeace. "Chapter XLIII." In Vanity Fair. Oxford University Press, 2015. http://dx.doi.org/10.1093/owc/9780198727712.003.0045.

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he astonished reader must be called upon to transport himself ten thousand miles to the military station of Bundlegunge, in the Madras division of our Indian empire, where our gallant old friends of the—th regiment are quartered under the command of the brave...
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Jayakody, Nalin Dushantha Kumara, and Dang Khoa Nguyen. "Green Cognitive Relay Communications with Hardware Impairments for Future Wireless Networks." In Advances in Wireless Technologies and Telecommunication. IGI Global, 2017. http://dx.doi.org/10.4018/978-1-5225-2023-8.ch005.

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Wireless Power Transfer is a promising solution to increase the lifetime of wireless nodes and hence alleviate the energy bottleneck of energy constrained wireless networks. In this Chapter, we discuss two power transfer policies; dual-source and single fixed-source, two bidirectional relaying protocols; multiple access and time division broadcast, and two relay receiver structures; time switching and power splitting, are considered to derive closed-form expressions for the outage and throughput of the network in the context of delay-limited transmission. This framework assists the reader not only to quantify the degradation of outage probability and throughput of the networks due to the impairments of realistic transceiver but also to provide realistic insight into the effect of power transfer policies, relaying protocols and receiver structures on outage and throughput of the networks.
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Rider, Traci Rose, and Elizabeth Bowen. "Embracing Non-Traditional Partnerships in Design Education." In Collaboration and Student Engagement in Design Education. IGI Global, 2017. http://dx.doi.org/10.4018/978-1-5225-0726-0.ch013.

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This chapter reviews the outline, process, and structure of the LEED Lab course at North Carolina State University (NCSU), which has engaged students from multiple colleges across the University. This chapter will specifically address NCSU's particular approach to teamwork in design education, using an existing building on NCSU's campus and an established assessment framework to provide context. With the LEED for Existing Buildings Operations and Maintenance as a guide, interdisciplinary teams of students worked together to establish recommendations for future operations. Additional teamwork opportunities included the engagement of a number of NCSU facilities departments, including Repairs and Renovation, Energy Services, Waste Reduction and Recycling, and others. Using examples of team-building exercises, integration with NCSU's Facilities Division, in-class hands-on exercises, and in-process photographs, this chapter will walk the reader through the opportunities and challenges of integrating non-traditional teamwork exercises into design education processes.
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Bernes, Jasper. "The Poetry of Feedback." In The Work of Art in the Age of Deindustrialization. Stanford University Press, 2017. http://dx.doi.org/10.11126/stanford/9780804796415.003.0004.

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Emerging from the military-industrial research programs of World War II, cybernetics presents an image of social self-regulation based on reciprocal, horizontal, and participatory relations rather than explicit hierarchies. This is appealing both to firms looking for a way to cut administrative bloat and trim costs and to artists and writers interested in developing a “participatory” practice, one that undoes the division of labor between reader and writer, spectator and art maker. Cybernetics promises a mode of collaboration and collectivity that liberates art from the narrow confines of artists. This chapter examines Hannah Weiner’s Code Poems alongside Dan Graham’s Works for Magazine Pages, both of which sit at the interstices of experimental poetry and conceptual art and both of which put cybernetic discourse to work to model alternative social relations. In each case, the laboratory of social relations takes postwar labor as its subject.
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Conference papers on the topic "Stack and Reader Division"

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Qiao, Juyi, Weidong Wang, Yinghai Zhang, and Shasha Niu. "Code division cooperative identification reader anti-collision protocol in smart RFID systems." In 2012 19th International Conference on Telecommunications (ICT). IEEE, 2012. http://dx.doi.org/10.1109/ictel.2012.6221268.

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Kissner, Gerd, and Hartmut Sauter. "Blow-By Truck Application: Electrically Driven Cone Stack Separator for Crankcase Ventilation." In ASME 2007 Internal Combustion Engine Division Fall Technical Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/icef2007-1655.

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Dealing with the blow-by gas from reciprocating engine is a bigger challenge nowadays due to strict emission control laws and design limitations. Blow-by gas originates between the piston or piston rings and the cylinder wall and is charged with oil when it leaves the crankcase. In a closed crankcase ventilation system these blow-by gases are drawn from the crankcase into the air intake. The oil mist separator (OMS) retains a fraction of the liquid oil and returns the retained oil fraction back to the oil sump. Thus, the oil mist separator reduces oil consumption and emissions. Electrically driven cone stack separators have high separation efficiency, small differential pressure, arbitrary mounting position and low power consumption. In addition to that, the electrically driven cone stack separator has also advantageous control characteristics. Since commercial motor vehicles already have high electrical system requirements a Mechatroic concept is presented here which was developed to be maintenance-free over the lifetime of the engine. This is achieved by detailed design and choice of special materials. In this paper, the construction and application of the novel oil mist separator system for trucks are discussed in detail.
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Stavrakakis, Ioannis, and Dimitri Kazakos. "A simple stack algorithm for a code division multiple access communication system." In 1986 25th IEEE Conference on Decision and Control. IEEE, 1986. http://dx.doi.org/10.1109/cdc.1986.267408.

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Diwakar, Philip, and Jaleel Valappil. "Flame Speed and Deflagration-Detonation Analysis in Flare Stack and Header." In ASME 2018 5th Joint US-European Fluids Engineering Division Summer Meeting. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/fedsm2018-83445.

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This paper examines safety concerns related to flame speeds when warm relief gas snuffs out the pilot at the flare stack and pulls in ambient air and a spark ignites the vapor in the header. The flame speed essentially determines if the propagating flame speed is a deflagration or a detonation based on whether its subsonic or supersonic. While pipes are sized for deflagrations, they need to be analyzed and tested for detonation pressures and temperatures. Transient CFD calculations help determine the flame speeds, deflagration to detonation transition, pressures and temperatures are compared to pipe specifications and help determine if a detonation leads to a Loss of Containment and suggests mitigations.
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Yu, Lili, Weilin Zhuge, Yangjun Zhang, and Jie Peng. "Numerical Simulation on the Organic Fluid Two-Phase Flow and Heat Transfer in the PEMFC Cooling Plate for Waste Heat Recovery." In ASME 2017 Fluids Engineering Division Summer Meeting. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/fedsm2017-69184.

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The proton exchange membrane fuel cell (PEMFC) system is becoming one of the most potential power systems for automotive applications in the future. Though the efficiency of PEMFC is high, almost half of the hydrogen energy is taken away by coolant without being utilized. Organic Rankine Cycle (ORC) could be used for the waste heat recovery of PEMFC. The working fluid of ORC flows directly into the fuel cell stack and cool the stack as the same time. In this paper, the feasibility of R245ca as the coolant of PEMFC and working fluid of ORC is studied. A simulation model of the fluid flow and heat transfer of R245ca in PEMFC cooling plates is set up with the CFD software package FLUENT. The Volume of Fluid (VOF) model is used to simulate the two-phase flow. Results show that R245ca can efficiently remove the waste heat and ensure uniform temperature distribution in PEMFC.
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Zhu, B., J. Yang, Z. Sun, et al. "Multi-Scale Cave Detection based on Amplitude Difference of Pre-Stack Frequency Division Data Volumes." In 80th EAGE Conference and Exhibition 2018. EAGE Publications BV, 2018. http://dx.doi.org/10.3997/2214-4609.201801601.

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Amanna, Ashwin, Ambuj Agrawal, and Majid Manteghi. "Active RFID for Enhanced Railway Operations." In ASME 2010 Rail Transportation Division Fall Technical Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/rtdf2010-42006.

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RFID tags have been used by railways for many years, RFID has proven its worth in inventory management, yet this technology is underutilized for enhancing railway operations and health monitoring due to limitations of passive RFID technology. Active RFID provides enhanced capabilities with potential to improve railway operations. Active technology differs from passive RFID by incorporating an onboard power source enabling longer ranges, changeable data fields, and the ability to transmit independently of the reader. This paper compares the advantages and disadvantages of active compared to passive RFID in terms of power requirements, transmission range, and dynamic data. A survey of existing products and vendors is presented. The existing active RFID standards are reviewed and elements of the data tag protocols are detailed as well as protocols for mitigating collisions of data packets. Finally, specific railway applications utilizing active RFID are discussed.
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Gunda, Naga Siva Kumar, and Sushanta K. Mitra. "Microfluidic Based Biosensor for Detection of Cardiac Markers." In ASME 2013 Fluids Engineering Division Summer Meeting. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/fedsm2013-16270.

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Myocardial Infarction (MI) occurs when the blood flow to the heart is blocked. It is major threat to human kind. Current laboratory and ELISA tests are expensive, time consuming, and are not very sensitive. Biosensors can play an important role in the diagnosis of MI without relying on hospital visits. Therefore, researchers are focusing to develop rapid, hand-held, inexpensive biosensors for detecting cardiac markers. In the present study, one of the cardiac markers (Troponin T) is detected using microfluidic based biosensor. Troponin T (cTnT) releases in to the blood serum within 4–6 h after minor heart attack and remains elevated for up to 2 weeks, which will help in diagnosing the heart condition. In this work, a microfluidic channel with an array of gold strips is considered for detecting and quantifying the Troponin T in an aqueous solution. Troponin T primary (capture) antibody is immobilized on gold strip using self assembled monolayer (SAM) consisting of a homogeneous mixture of oligo (ethylene glycol) (OEG)-terminated alkanethiolate and mercaptohexadecanoic acid (MHDA). Then, an aqueous solution containing Troponin T antigen is injected into the microchannel to facilitate antibody-antigen reaction to take place in less time. Later, FITC tagged Troponin T secondary (detection) antibody is dispensed in to the channel for quantification of Troponin T antigen. Using confocal fluorescent reader, the variation of fluorescent intensity across the microchannel is measured and quantified the concentration of Troponin T antigen with calibrated samples. Contact angle measurement system, Fourier Transform Infrared Spectroscopy and Ellipsometer are used to characterize the surface properties at each stage of biomolecule immobilization.
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Polanco, Geanette, Nelson Garci´a, and Luis Rojas. "Teaching How to Use the CFD Approach by an Example: Hydrodynamics Within a Passenger Car Compartment in Motion." In ASME 2009 Fluids Engineering Division Summer Meeting. ASMEDC, 2009. http://dx.doi.org/10.1115/fedsm2009-78014.

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The CDF methodology is applied to the study of the air flow around a 2-D car and its interaction with the cabin internal air. The flow visualization or computational works enable engineers to calculate different car characteristics like drag coefficient, external and internal air flow patterns, etc. Therefore, the teaching of this approach to student is a very important task to take into account in the formation process of new engineers. This work shows the numerical simulation of a specific passenger car compartment configuration solving the Navier-Stokes equations along with the k-e turbulence model using the finite volume method. The indoor air flow is produced by the interaction between the cabin inner air with the external flow through two glass windows (one in the front seat and one in the back seat). This configuration represents a common situation for the passenger car compartment. The study covers two different car speeds, 50 and 100 km/h. The flow field is studied in both steady state and transient conditions with time step of 0.01 s, for both car speeds, 50 km/h and 100 km/h. The different steps of the CFD work are commented to show to the reader the distinct states that must be cover in this kind of work. As results of the detailed methodology followed, the influence of the domain size on the flow fields is highlighted, the requirement of a better mesh quality is exposed and flow field results are analyzed using two different forms of graphic representations. The results show the physics behavior of the flow and the presence of flow structures, as for instance, indoor air recirculation zones delimited by internal seats, as well as, the vortex presence at the back of the cabin.
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10

Zheng, M., and G. T. Reader. "An Experimental Analysis of EGR on Operational Stabilities of Diesel Engines." In ASME 2001 Internal Combustion Engine Division Spring Technical Conference. American Society of Mechanical Engineers, 2001. http://dx.doi.org/10.1115/ices2001-112.

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Abstract It has been recognized that high ratios of EGR are effective for in-cylinder NOx reduction, the mechanism of which has been largely attributed to thermal NOx reduction. However, engine operations also approach zones with higher instabilities when excessive EGR is used, usually accompanied with higher cycle-to-cycle variations. Although appropriate controlling strategies are capable to set up consistent EGR operations, any drifts in engine control will affect the originally optimized EGR when sufficient feedback control is not available. In reality, without sufficient EGR feedback control, the applicable EGR ratios need to be recessed from maximum allowable ratios in considering discrepancies of EGR control and influences of operating condition variations. An experimental investigation is provided in this paper to propose a method to evaluate the influences of EGR on such instabilities, in terms of independent effects of CO2 addition, O2 dilution, and N2 balancing, with simulated EGR. Extensive tests were conducted using a synthesized intake mixture testing facility. This paper is also a continuation of a cycle-to-cycle variation analysis on such operations reported previously by the authors (Zheng and Reader 1995). The analyses are aimed at identifying thresholds of stable operation with excessive high ratios of EGR whilst without subjecting to the consecutive cyclic disturbances associated actual EGR itself.
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