288,462 research outputs found

    Neoschoengastia (Neoschoengastia) vietnamensis Kaluz, Hung, Capek, and Literak 2016

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    Neoschoengastia (Neoschoengastia) vietnamensis Kalúz, Hung, Čapek, and Literák, 2016: ORI Neoschoengastia vietnamensis Kalúz, Hung, Čapek, and Literák, 2016; Stekolnikov 2021Published as part of Nielsen, David H., Robbins, Richard G. & Rueda, Leopoldo M., 2021, Annotated world checklist of the Trombiculidae and Leeuwenhoekiidae (1758 - 2021) (Acari: Trombiculoidea), with notes on nomenclature, taxonomy, and distribution, pp. 1-243 in Zootaxa 4967 (1) on page 76, DOI: 10.11646/zootaxa.4967.1.1, http://zenodo.org/record/474551

    Frank Schoonover standing by hung mural with paint pallet

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    Frank Schoonover standing in front of the Artisan after it had been hung in H. Fletcher Brown Vocational Highschool holding a paint pallet, looking for places to touch up on the mura

    Frank Schoonover standing by hung mural with paint pallet

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    Frank Schoonover standing in front of the Artisan after it had been hung in H. Fletcher Brown Vocational Highschool holding a paint pallet, looking for places to touch up on the mura

    Irregular Convolution and Unity-Rate Coded Network-Coding for Cooperative Multi-User Communications

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    Near-Capacity Multi-user Network-coding (NCMN) based systems operating in multiple modes and relying on an amalgamated Irregular Convolutional Code, a Unity-Rate Code and M-ary Phase-Shift Keying are proposed. We consider a multiuser network in which the users cooperatively transmit their independent information to a common base station (BS). Extrinsic Information Transfer (EXIT) charts were used for designing the proposed NCMN scheme for the sake of approaching the Discrete-input Continuous-output Memoryless Channel’s (DCMC) capacity. The NCMN systems are capable of simultaneously exploiting the advantages of all the new modes we designed for our system and those of the conventional mode. The design principles presented in this contribution can be extended to a vast range of NCMN based systems using arbitrary channel coding schemes

    Window flag hung to denote the active military service of John H. Glenn, Sr. during World War I

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    Blue star window flag hung to denote the active military service of John H. Glenn, Sr. during World War I, 1917-1918.Artifact Size: 6W by 9.5H.Credit: John Glenn Archives, The Ohio State University

    H∞ optimal control. Part 1. Model matching

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    Our aim is to develop a new approach for solving the H∞ optimal control problem where the feedback arrangement takes the form of a linear fractional transformation. In Part 1, a basic kind of model-matching problem is considered: given rational matrices M(s) and N(s), the H∞-norm of an error function defined as E(s) = M(s) - N(s)Q(s) is minimized (or bounded) subject to E(s) and Q(s) being stable. Closed-form state-space characterizations are obtained for both E(s) and Q(s). The results established here will be used in Part 2 of the paper Y. S. Hung 1989) to solve the H∞ optimal control problem.link_to_subscribed_fulltex
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