771 research outputs found

    Author Leigh Roethke will discuss her debut book Minnesota's Capitol

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    Butt, Leanne. (2005). Author Leigh Roethke will discuss her debut book Minnesota's Capitol. Retrieved from the University Digital Conservancy, https://hdl.handle.net/11299/220718

    Author Leigh Roethke will discuss her debut book Minnesota's Capitol at the University of Minnesota

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    Butt, Leanne. (2005). Author Leigh Roethke will discuss her debut book Minnesota's Capitol at the University of Minnesota. Retrieved from the University Digital Conservancy, https://hdl.handle.net/11299/220707

    Author Will Weaver discusses his book Barns of Minnesota at the University of Minnesota Crookston Bookstore.

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    Butt, Leanne. (2005). Author Will Weaver discusses his book Barns of Minnesota at the University of Minnesota Crookston Bookstore.. Retrieved from the University Digital Conservancy, https://hdl.handle.net/11299/220556

    Secure quantum turbo coded superdense coding scheme

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    In this paper we present a novel secure quantum turbo coded (QTC) superdense (SD) coding scheme. We have integrated SD with QTC to benefit from the inherent near optimum performance of turbo codes. We have further incorporated the quantum secure direct communication (QSDC) protocol within the proposed QTC-SD system for the sake of ensuring absolute security. Explicitly, the QSDC protocol exploits dummy entangled pairs for detecting the presence of eavesdropper. Hence, the proposed scheme ensures absolute security, detects the presence of an eavesdropper and considers practical issues when error is induced in a quantum depolarizing channel. Furthermore, we have experimentally determined the noise threshold levels for the proposed QTC-SD system to detect the presence of an eavesdropper.</p

    Author and retired UMC professor Gene Miller will discusses his book Thinking of You at the University of Minnesota Crookston Bookstore.

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    Butt, Leanne. (2005). Author and retired UMC professor Gene Miller will discusses his book Thinking of You at the University of Minnesota Crookston Bookstore.. Retrieved from the University Digital Conservancy, https://hdl.handle.net/11299/220560

    Isreal Shank and Len Butt

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    Photograph - Past president Isreal C. Shank congratulates newly-elected president Len Butt at the annual meeting of the Canadian Gladiolus society, on August 15, 1980, Bowmanville, Ontari

    Near-capacity iterative decoding of binary self-concatenated codes using soft decision demapping and 3-D EXIT charts

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    In this paper 3-D Extrinsic Information Transfer (EXIT) charts are used to design binary Self-Concatenated Convolutional Codes employing Iterative Decoding (SECCC-ID), exchanging extrinsic information with the soft-decision demapper to approach the channel capacity. Recursive Systematic Convolutional (RSC) codes are selected as constituent codes, an interleaver is used for randomising the extrinsic information exchange of the constituent codes, while a puncturer helps to increase the achievable bandwidth efficiency. The convergence behaviour of the decoder is analysed with the aid of bit-based 3-D EXIT charts, for accurately calculating the operating EbN0 threshold, especially when SP based soft demapper is employed. Finally, we propose an attractive system configuration, which is capable of operating within about 1 dB from the channel capacity

    Antonio Regalado García: El siervo y el señor

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    [ES] Reseña del libro "El siervo y el señor" de Antonio Regalado García. Según John Butt no aporta nada nuevo sobre Unamuno, en definitiva no es un buen estudio.[EN] Review of the book "The servant and lord" of Antonio Regalado Garcia. According to John Butt, the author adds nothing new about Unamuno, ultimately is not a good study

    Trial and Condemnation of Charles E. Butt, for the willful murder of sweetheart

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    Charles E. Butt kills his fiance, Amelia Phipps, who won\u27t wed him.https://egrove.olemiss.edu/kgbsides_uk/2152/thumbnail.jp

    Experimental and numerical study of butt welded joints made of high strength steel

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    Welded joints are wildly used in the construction sector for fabrication of steel and aluminium structures. A welded joint is traditionally divided into three regions: The Base Material (BM), the Heat-Affected Zone (HAZ), and the Weld Material (WM). The mechanical behaviour of each region varies depending on properties of BM, FM and welding parameters. In general, HAZ has a lower material strength compared to BM and WM. The material strength difference is even more significant if BM is made of High Strength Steel (HSS) and welded by using undermatching electrodes. Therefore, it is essential to obtain the constitutive model of HAZ to accurately predict the behaviour (strength, stiffness, and ductility) of the HSS welded joint. In this paper, milled coupon specimens with a transverse butt weld in the middle are used for obtaining the original stress-strain relationship of HAZ and WM based on Digital Image Correlation (DIC) measurements. The original and the modified HAZ constitutive model are validated against the milled and unmilled coupon specimens by Finite Element Analysis (FEA). Comparing the FEA and experimental results, it can be concluded that the modified HAZ constitutive model is successfully validated. Finally, the tensile behaviour of the butt-welded square hollow section is investigated through FEA. It is found that the peak deformation would be significantly overestimated if the modified HAZ constitutive model is not used.Green Open Access added to TU Delft Institutional Repository 'You share, we take care!' - Taverne project https://www.openaccess.nl/en/you-share-we-take-care Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public.Steel & Composite Structure
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