نتایج جستجو برای: dynamic magnification factors

تعداد نتایج: 1465648  

2004
Erzsébet Merényi Abha Jain

The twin of this paper, “Forbidden Magnification? I.” [1], presents systematic SOM simulations with the explicit magnification control scheme of Bauer, Der, and Herrmann [2] on data for which the theory does not guarantee success, namely data that are n-D, n > 2 and/or data whose components in the different dimensions are not statistically independent. For the unsupported n = 2 cases that we in...

2002
Brice Ménard

I present the current status of the cosmic magnification produced by systematic amplification of background sources by large-scale structures. After introducing its principle, I focus on its interests for cosmology and underline its complementary aspect to cosmic shear and galaxy auto-correlations. I finally discuss recent investigations using higher-order statistics.

Journal: :NeuroImage 2006
Anqi Qiu Benjamin J Rosenau Adam S Greenberg Monica K Hurdal Patrick Barta Steven Yantis Michael I Miller

Human primary visual cortex is organized retinotopically, with adjacent locations in cortex representing adjacent locations on the retina. The spatial sampling in cortex is highly nonuniform: the amount of cortex devoted to a unit area of retina decreases with increasing retinal eccentricity. This sampling property can be quantified by the linear cortical magnification factor, which is expresse...

Journal: :Measurement 2021

• A novel video-based indirect measurement procedure for SHM projects. three-step modification process inappropriate conditions in video records. No need high-speed cameras and expensive record equipment. Experimental modal characteristics time history responses are the main outputs. Effective accurate field-measurement of historical structures. sensing dynamic identification purposes is presen...

ژورنال: :مجله دانشگاه علوم پزشکی شهید صدوقی یزد 0
فاطمه عزالدینی اردکانی f ezoddiniardakani shahid sadoughi university of medical sciencesدانشگاه علوم پزشکی شهید صدوقی یزد صغری یاسایی s yasaei shahid sadoughi university of medical sciencesدانشگاه علوم پزشکی شهید صدوقی یزد سحر قانع s ghanea shahid sadoughi university of medical sciencesدانشگاه علوم پزشکی شهید صدوقی یزد

مقدمه: هدف از این مطالعه ارزیابی موقعیت دندان کانین نهفته ماگزیلاری در رادیوگرافی پانورامیک از طریق دو متغیر angulation و magnification بود. روش بررسی: این مطالعه به روش مقطعی انجام شد. رادیوگرافی های پانورامیک شماره گذاری شد و نام بیمار در هر رادیوگرافی پانورامیک پوشانده شد. دو متغیر angulation (زاویه محوری دندان کانین نهفته به محور اکلوزال) و magnification (عریض ترین بعد مزیودیستال تاج دندان ...

Journal: :Ophthalmic & physiological optics : the journal of the British College of Ophthalmic Opticians 2004
James S Wolffsohn Frank Eperjesi

AIM To determine the best method of estimating the optimum magnification needed by visually impaired patients. METHODS The magnification of low vision aids prescribed to 187 presbyopic visually impaired patients for reading newspapers or books was compared with logMAR distance and near acuity (at 25 cm) and magnification predicted by +4 D step near additions. RESULTS Distance letter (r = 0....

Journal: :Materials Horizons 2019

Journal: :Monthly Notices of the Royal Astronomical Society 2014

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