Search Results - "Johnston, Mark D."

Δ-MILP: Deep Space Network Scheduling via Mixed-Integer Linear Programming by Claudet, Thomas, Alimo, Ryan, Goh, Edwin, Johnston, Mark D., Madani, Ramtin, Wilson, Brian

“…This paper introduces <inline-formula> <tex-math notation="LaTeX">\Delta </tex-math></inline-formula>-MILP, a powerful variant of the mixed-integer linear…”
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Deep Space Network Scheduling Using Quantum Annealing by Guillaume, Alexandre, Goh, Edwin Y., Johnston, Mark D., Wilson, Brian D., Ramanan, Anita, Tibble, Frances, Lackey, Brad

“…The National Aeronautics and Space Administration's (NASA) Deep Space Network (DSN) is responsible for communication and navigation for several NASA and…”
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Hernando de Talavera on Conduct: Cultural Hegemony in Post-Conquest Granada by Johnston, Mark D.

“…[...]the contribution ofTalavera's work to the medieval corpus of Latin and vernacular conduct literature: depending on how broadly one defines this body of…”
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Scheduling the NASA Deep Space Network with Deep Reinforcement Learning by Goh, Edwin, Venkataram, Hamsa Shwetha, Hoffmann, Mark, Johnston, Mark D., Wilson, Brian

“…With three complexes spread evenly across the Earth, NASA's Deep Space Network (DSN) is the primary means of communications as well as a significant scientific…”
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Overview of Self-Magnetically Pinched-Diode Investigations on RITS-6 by Hahn, Kelly D, Bruner, Nichelle, Johnston, Mark D, Oliver, Bryan V, Webb, Timothy J, Welch, Dale R, Cordova, Steve R, Crotch, Ian, Gignac, Raymond E, Leckbee, Josh J, Molina, Isidro, Portillo, Salvador, Threadgold, Jim R, Ziska, Derek

“…The electron-beam-driven self-magnetically pinched diode is a candidate for future flash X-ray radiographic sources. As presently fielded on Sandia…”
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Measurements of Z Electrode Temperatures Using Absolutely Calibrated Streaked Visible Spectroscopy Systems and Avalanche Photodiodes by Patel, Sonal G., Johnston, Mark D., Bliss, David E., Laity, George R., Gomez, Matthew R., Falcon, Ross E., Scoglietti, Daniel J., MacRunnels, Keven, Savage, Mark E., Cuneo, Michael E.

“…Absolute calibration of streaked visible spectroscopy systems has been performed at Z-machine at Sandia National Labs in order to determine temperatures of…”
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Plasma Expansion in a Negative-Polarity Rod-Pinch Diode by Leckbee, J. J., Johnston, M. D., Oliver, B. V.

“…The negative-polarity rod-pinch diode is being developed and tested on the RITS-6 accelerator to expand radiographic capabilities. High current densities at…”
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Shot reproducibility of the self-magnetic-pinch diode at 4.5 MV by Bennett, Nichelle, Crain, M. Dale, Droemer, Darryl W., Gignac, Raymond E., Lare, Greg, Molina, Isidro, Obregon, Robert, Smith, Chase C., Wilkins, Frank L., Welch, Dale R., Cordova, Steve, Gallegos, Manuel L., Johnston, Mark D., Kiefer, Mark L., Leckbee, Joshua J., Mazarakis, Michael G., Nielsen, Dan, Renk, Timothy J., Romero, Tobias, Webb, Timothy J., Ziska, Derek

“…In experiments conducted at Sandia National Laboratories’ RITS-6 accelerator, the self-magnetic-pinch diode exhibits significant shot-to-shot variability…”
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Energy and Current Density Measurements of RITS-6 Large-Area Diode Electron Beam by Webb, Timothy J, Hahn, Kelly D, Johnston, Mark D, Oliver, Bryan V, Welch, Dale R

“…The depth-dose measurements of Radiographic Integrated Test Stand-6 large-area diode electron beam operating at approximately 10-MV peak voltage suggest a 10 ±…”
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Back-streaming ion beam measurements in a self magnetic pinch (SMP) electron diode by Mazarakis, Michael G., Cordova, Steven R., Johnston, Mark D., Kiefer, Mark L., Leckbee, Joshua J., Nielsen, Dan S., Oliver, Bryan V., Renk, Timothy J., Webb, Timothy J., Ziska, Derek, Bennett, Nichelle, Droemer, Darryl W., Cignac, Raymond E., Obregon, Robert J., Smith, Chase C., Wilkins, Frank L., Welch, Dale R., Romero, Tobias M.

“…Summary form only given. A self-magnetic pinch diode (SMP) is presently the electron diode of choice for high energy flash x-ray radiography utilizing pulsed…”
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INTERTRIAL SOURCES OF STIMULUS CONTROL AND DELAYED MATCHING-TO-SAMPLE PERFORMANCE IN HUMANS by Williams, Dean C., Johnston, Mark D., Saunders, Kathryn J.

“…Two experiments compared delayed matching‐to‐sample (DMTS) accuracy under 2 procedures in adults with mental retardation. In the trial‐unique procedure, every…”
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Intraspecific Predation in Juvenile White Ibis by Herring, Garth, Johnston, Mark D, Call, Erynn M

“…The first case of juvenile White Ibis (Eudocimus albus) intraspecific predation is reported from the Florida Everglades…”
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Efficient computation of current in multiwire Z-pinch arrays by Strickler, T.S., Gilgenbach, R.M., Johnston, M.D., Yue Ying Lau

“…This paper presents a fast, memory efficient, and accurate method to calculate the current distributions in solid wires in wire z-pinch arrays. Building upon…”
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Gluttony and convivencia: Hernando de Talavera's warning to the muslims of Granada in 1496 by Johnston, Mark D

“…Hernando de Talavera (1430?-1507) originally wrote Contra la demasia de vestir y de calgar y de comer y de beuer to defend sumptuary laws promulgated by the…”
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Measurements of magnetic and electric fields in high energy electron beam diodes by Johnston, Mark D., Patel, Sonal G., Kiefer, Mark L., Biswas, S., Doron, R., Bernshtam, V., Stambulchik, E., Maron, Y.

“…The RITS accelerator (5–11MV, 100–200kA) at Sandia National Laboratories is being used to evaluate the Self-Magnetic Pinch (SMP) diode as a potential flash…”
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IDENTITY MATCHING OF CONSONANT-VOWEL-CONSONANT WORDS BY PREREADERS by Saunders, Kathryn J., Johnston, Mark D., Brady, Nancy C.

“…Using an identity matching‐to‐sample procedure, normally developing prereaders who matched individual letters with high accuracy (e.g., m and s) did not show…”
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An Evolutionary Algorithm Approach To Multi-Objective Scheduling Of Space Network Communications by Johnston, Mark D.

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In-situ anode heating and plasma glow discharge cleaning and its effects on atomic constituents in the A-K gap in Self-Magnetic Pinch (SMP) experiments by Simpson, Sean C., Johnston, Mark D., Mazarakis, Michael G., Renk, Timothy J., Tang, Ricky, Webb, Timothy J., Nielsen, Dan S., Ziska, Derek R., Kiefer, Mark L., Patel, Sonal, Zier, Jacob C., Weber, Bruce V.

“…Summary form only given. The RITS-6 inductive voltage adder (IVA) accelerator (3.5-8.5 MeV) at Sandia National Laboratories produces highpower (TW) focused…”
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Contribution of the backstreaming ions to the Self-Magnetic pinch (SMP) diode current by Mazarakis, Michael G., Cuneo, Michael E., Fournier, Sean D., Johnston, Mark D., Kiefer, Mark L., Leckbee, Joshua J., Nielsen, Dan S., Oliver, Bryan V., Simpson, Sean, Renk, Timothy J., Webb, Timothy J., Ziska, Derek, Bennett, Nichelle, Droemer, Darryl W., Cignac, Raymond E., Obregon, Robert J., Smith, Chase C., Wilkins, Frank L., Welch, Dale R.

“…Summary form only given. The results presented here were obtained with an SMP diode mounted at the front high voltage end of the RITS accelerator. RITS is a…”
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Raimundus Lullus, Opera Latina, 27: Ars demonstrativa ., ed., Josep Enric Rubio Albarracín. (Corpus Christianorum, Continuatio Mediaeualis, 213; Raimundi Lulli Opera Latina, 32.) Turnhout: Brepols, 2007. Pp. lxiv, 348 plus color figures; 1 black-and-white figure. €215 by Johnston, Mark D.

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