Now showing items 87-106 of 606

    • A comparison of SuperDARN ACF fitting methods 

      Ribeiro, A. J.; Ruohoniemi, J. Michael; Ponomarenko, P. V.; Clausen, Lasse B. N.; Baker, Joseph B. H.; Greenwald, R. A.; Oksavik, K.; de Larquier, S. (American Geophysical Union, 2013-05-01)
      The Super Dual Auroral Radar Network (SuperDARN) is a worldwide chain of HF radars which monitor plasma dynamics in the ionosphere. Autocorrelation functions are routinely calculated from the radar returns and applied to ...
    • Comparison of two-, three-, and four-exposure quadrature phase-shifting holography 

      Liu, J. Ping; Poon, Ting-Chung; Jhou, G. S.; Chen, P. J. (Optical Society of America, 2011-06-01)
      In standard (four-exposure) quadrature phase-shifting holography (QPSH), two holograms and two intensity maps are acquired for zero-order-free and twin-image-free reconstruction. The measurement of the intensity map of the ...
    • Complex Fresnel hologram display using a single SLM 

      Liu, J. Ping; Hsieh, W. Y.; Poon, Ting-Chung; Tsang, P. (Optical Society of America, 2011-12-01)
      We propose a novel optical method to display a complex Fresnel hologram using a single spatial light modulator (SLM). The method consists of a standard coherent image processing system with a sinusoidal grating at the ...
    • Composition Measurements related to the CU2S-ZNXCD1-XS Heterojunction 

      Burton, Larry C. (AIP Publishing, 1979)
      Composition of zinc and cadmium have been measured for three key regions related to the formation of Cu2S on Zn x Cd1_x X by aqueous ion exchange. These are the ion_exchange solution, the resulting Cu2S, and the Zn x Cd1_x ...
    • Compositional depth profiles of chemiplated Cu2S/(Zn,Cd)S heterojunction solar cells 

      Uppal, P. N.; Burton, Larry C.; Rivaud, L.; Greene, J. E. (American Institute of Physics, 1983)
      Atomic absorption spectroscopy combined with controlled chemical etching and Auger electron spectroscopy profiling with ion beametching have been used to obtain composition versus depth analyses of Cu2S/(Zn,Cd)S ...
    • A Comprehensive Study on EDFA Characteristics: Temperature Impact 

      Bebawi, John A.; Kandas, Ishac; El-Osairy, Mohamed A.; Aly, Moustafa H. (MDPI, 2018-09-13)
      In this paper, a comprehensive study on erbium-doped fiber amplifier (EDFA) characteristics under temperature variation has been performed. The rate and propagation equations that characterize EDFA performance pumped at ...
    • Computer generation of binary Fresnel holography 

      Tsang, P.; Poon, Ting-Chung; Cheung, W. K.; Liu, J. Ping (Optical Society of America, 2011-03-01)
      Binarization of Fresnel holograms by direct thresholding based on the polarity of the fringe pattern is studied. It is found that if the hologram is binarized (i.e., for black and white hologram pixels) in this manner, ...
    • Computer simulation of electron beams. I. Space charge algorithm for asymmetric beams 

      Dewolf, David A. (American Institute of Physics, 1985)
      Longitudinal space_charge forces can be neglected in computer simulations of slowly curving quasilaminar electron beams. A particle mesh type algorithm for transverse space charge forces is developed, and great simplification ...
    • Computer simulation of electron beams. II. Low cost beam current reconstruction 

      Dewolf, David A. (American Institute of Physics, 1985)
      Reconstruction of current density in electron beams is complicated by distortion of phase space which can require very fine discretization of the beam into trajectories. An efficient discretization of phase space is ...
    • Conductance Model for Extreme Events: Impact of Auroral Conductance on Space Weather Forecasts 

      Mukhopadhyay, Agnit; Welling, Daniel T.; Liemohn, Michael W.; Ridley, Aaron J.; Chakraborty, Shibaji; Anderson, Brian J. (2020-09-27)
      Ionospheric conductance is a crucial factor in regulating the closure of magnetospheric field-aligned currents through the ionosphere as Hall and Pedersen currents. Despite its importance in predictive investigations of ...
    • Congenital infection of mice with toxoplasma gondii induces minimal change in behavior and no change in neurotransmitter concentrations 

      Goodwin, David G.; Hrubec, Terry C.; Klein, Bradley G.; Strobl, Jeannine S.; Werre, Stephen R.; Han, Qian; Zajac, Anne M.; Lindsay, David S. (American Society of Parasitology, 2012-08-01)
      We examined the effect of maternal Toxoplasma gondii infection on behavior and the neurotransmitter concentrations of congenitally infected CD-I mice at 4 and 8 wk of age when latent tissue cysts would be present in their ...
    • Conjugate observations of electromagnetic ion cyclotron waves associated with traveling convection vortex events 

      Kim, Hyomin; Clauer, C. Robert; Gerrard, Andrew J.; Engebretson, Mark J.; Hartinger, Michael D.; Lessard, Marc R.; Matzka, Juergen; Sibeck, David G.; Singer, Howard J.; Stolle, Claudia; Weimer, Daniel R.; Xu, Zhonghua (2017-07)
      We report on simultaneous observations of electromagnetic ion cyclotron (EMIC) waves associated with traveling convection vortex (TCV) events caused by transient solar wind dynamic pressure (P-d) impulse events. The Time ...
    • Connection between Carbon Incorporation and Growth Rate for GaN Epitaxial Layers Prepared by OMVPE 

      Ciarkowski, Timothy; Allen, Noah; Carlson, Eric; McCarthy, Robert; Youtsey, Chris; Wang, Jingshan; Fay, Patrick; Xie, Jinqiao; Guido, Louis (MDPI, 2019-08-01)
      Carbon, a compensator in GaN, is an inherent part of the organometallic vapor phase epitaxy (OMVPE) environment due to the use of organometallic sources. In this study, the impact of growth conditions are explored on the ...
    • Control of Rotary Cranes Using Fuzzy Logic 

      Al-mousa, Amjed A.; Nayfeh, Ali H.; Kachroo, Pushkin (Hindawi, 2003-01-01)
      Rotary cranes (tower cranes) are common industrial structures that are used in building construction, factories, and harbors. These cranes are usually operated manually. With the size of these cranes becoming larger and ...
    • Convex Analysis of Mixtures for Separating Non-negative Well-grounded Sources 

      Zhu, Yitan; Wang, Niya; Miller, David J.; Wang, Yue (Springer Nature, 2016-12-06)
      Blind Source Separation (BSS) is a powerful tool for analyzing composite data patterns in many areas, such as computational biology. We introduce a novel BSS method, Convex Analysis of Mixtures (CAM), for separating ...
    • Cooperative modulation of classification in cognitive radio networks 

      Electrical and Computer Engineering; Arizona Board of Regents on behalf of The Universtiy of Arizona; Virginia Tech Intellectual Properties, Inc.; Bose, Tamal; Abdelbar, Mahi; Tranter, William; Vanhoy, Garrett (United States Patent and Trademark Office, 2016-11-22)
      Multiuser classification of the modulation schemes of simultaneous multiple unknown transmitters is disclosed. Cooperation among multiple cognitive radio receivers for modulation classification offers improvements in ...
    • COREMIC: a web-tool to search for a niche associated CORE MICrobiome 

      Rodrigues, Richard R.; Rodgers, Nyle C.; Wu, Xiaowei; Williams, Mark A. (PeerJ, 2018-02-15)
      Microbial diversity on earth is extraordinary, and soils alone harbor thousands of species per, gram of soil. Understanding how this diversity is sorted and selected into habitat niches is a major focus of ecology and ...
    • Coupled Mode Analysis for 3D Stress-Free Elastic Acoustic Waveguide 

      He, Jiaji; Homa, Daniel S.; Pickrell, Gary R.; Wang, Anbo (IEEE, 2019)
      Acoustic sensors and acoustic measurements receive much attention in various applications. Because waveguides are commonly used in sensor design, theoretical means to study acoustic propagation and interaction in waveguides ...
    • Cross diffusion of Cd and Zn in Cu2S formed on Zn x Cd1_x S thin films 

      Burton, Larry C.; Uppal, P. N.; Dwight, D. W. (American Institute of Physics, 1982)
      Cadmium and zinc compositions in Cu 2S formed on Zn x Cd1_x S films (0
    • CU-BEMS, smart building electricity consumption and indoor environmental sensor datasets 

      Pipattanasomporn, Manisa; Chitalia, Gopal; Songsiri, Jitkomut; Aswakul, Chaodit; Pora, Wanchalerm; Suwankawin, Surapong; Audomvongseree, Kulyos; Hoonchareon, Naebboon (2020-07-20)
      This paper describes the release of the detailed building operation data, including electricity consumption and indoor environmental measurements, of the seven-story 11,700-m(2) office building located in Bangkok, Thailand. ...