«polarity»

۱۶۴٬۱۵۷ نتیجه
  • Magnetic Field Structure from Synchrotron Polarization

    سند علمی۲۰۰۶Rainer Beck

    Total magnetic fields in spiral galaxies, as observed through their total synchrotron emission, are strongest (up to ≃ 30 μG) in the spiral arms. The degree of radio polarization is low; the field in the arms must be mostly turbulent or tangled. Polarized synchrotron emission sho

  • Media and Political Polarization

    سند علمی۲۰۱۳Markus Prior, Woodrow Wilson

    This article examines if the emergence of more partisan media has contributed to political polarization and led Americans to support more partisan policies and candidates. Congress and some newer media outlets have added more partisan messages to a continuing supply of mostly cen

  • Integrated Polarization Image Sensor for Cell Detection

    سند علمی۲۰۰۹Viktor Gruev

    A complete polarization image sensor composed of a 60 by 20 pixel array with on-chip analog processing and integrated with pixel-pitch polymer polarization filter is presented. The image sensor, fabricated in 0.5m CMOS process, computes the first three Stokes parameters at the f

  • Production of a High Energy , High Power Polarized Photon Beam at Siac

    سند علمی۱۹۹۹M. A. Shupe

    Attenuation by coherent pair production in highly oriented compression annealed pyrolytic graphite has been used to polarize a 16 GeV bremsstrahlung beam. Graphite pieces of total volume 0.95 X 0.95 X 5.1 cm3 were assembled in watercooled precision holders. Eighteen of these unit

  • A Polarization Contrast Retina That Uses Patterned Iodine-Doped PVA Film

    سند علمی۱۹۹۶Zaven K. Kalayjian, Andreas G. Andreou, Larry B. Wolff, Norman Sheppard

    We present the design of a 1D polarization contrast retina. The retina employs two parallel, linear arrays of 29 photodiodes as sensing elements. Polarizing material is placed on the focal plane so that each array of photodiodes receives linearly polarized light whose e-vector co

  • Integrated High Resolution Focal-Plane Polarization Imager

    سند علمی۱۹۹۸Zaven K. Kalayjian, Andreas G. Andreou

    The polarimetric vector is a more general descriptor of light than intensity information alone, and it contains physical information about the imaged objects in a scene that traditional intensity based sensors ignore. Polarimeters – devices that measure polarization – are used to

  • Linear optical implementation of a single mode quantum filter and generation of multi-photon polarization entangled state

    سند علمی۲۰۰۲XuBo Zou, K. Pahlke

    We propose a scheme to implement a single-mode quantum filter, which selectively eliminates the one-photon state in a quantum state α|0〉+β|1〉+ γ|2〉. The vacuum state and the two photon state are transmitted without any change. This scheme requires single-photon sources, linear op

  • Polarized News Media and the Polarization of the Electorate

    سند علمی۲۰۱۰IJALRFrank C. S. Liu

    An increasing amount of empirical evidence suggests that in democracies that usually divide into two camps during a campaign season, the news media environment is fragmented and polarized. An emerging concern is whether the electorate in such divided societies would be pulled by

  • an analysis of polar jest stream (pjs) location associated with low level moisture flux and heavy rainfalls in west of iran

    مقالهمحیط شناسیرشید سعید آبادی, استادیار آب و هواشناسی، گروه جغرافیا، دانشگاه ارومیه شعیب آب خرابات, دانشجوی دکتری آب و هواشناسی، دانشکدة جغرافیا و برنامه ریزی، دانشگاه تبریز محمد سعید نجفی, دانشجوی دکتری آب و هواشناسی، دانشکدة جغرافیا و برنامه ریزی، دانشگاه تبریز

    introductionmany aspect strongly influence regional climate includes localized surface processes, large-scale patterns, especially mid and upper level tropospheric circulation and many factors control precipitation in the west of iran includes location of emigrate westerly winds

  • Polarization of Light

    سند علمی۲۰۰۲Keigo Iizuka

    Clever uses for polarized light are not restricted to just the field of photonics. Devices for manipulating polarized light can be found in a wide range of settings, from advanced research laboratories to the common household [1,2]. Perhaps one of the most familiar household pola