نتایج جستجو برای: vernier machine

تعداد نتایج: 264542  

1999
Erhardt Barth Bettina L. Beard Albert J. Ahumada

Nonlinear contributions to pattern classification by humans are analyzed by using previously obtained data on discrimination between aligned lines and offset lines. We show that the optimal linear model (which had been identified by correlating the noise added to the presented patterns with the observerÕs response) can be rejected even when the parameters of the model are estimated individually...

Journal: :Optics letters 2012
Robert Boeck Jonas Flueckiger Han Yun Lukas Chrostowski Nicolas A F Jaeger

We demonstrate record performance of series-coupled silicon racetrack resonators exhibiting the Vernier effect. Our device has an interstitial peak suppression (IPS) of 25.5 dB, which is 14.5 dB larger than previously reported results. We also demonstrate the relationship between the inter-ring gap distance and the IPS as well as the 3 dB bandwidth (BW) both theoretically and experimentally. Na...

Journal: :Journal of vision 2002
Lukas Rüttiger Barry Lee Hao Sun

The spatial accuracy inherent in retinal ganglion cell responses to moving targets was investigated by measuring trial-to-trial variability in response locus. When moving bars were used as stimuli, analysis of impulse trains showed that parafoveal cells of the magnocellular (MC) pathway provided a consistently accurate spatial signal over a range of target velocities up to ~8 deg/sec. Parvocell...

Journal: :Archives of ophthalmology 2006
Ritwick Agrawal Ian P Conner J V Odom Terry L Schwartz Janine D Mendola

OBJECTIVES To examine deficits in monocular and binocular vision in adults with amblyopia and to test the following 2 hypotheses: (1) Regardless of clinical subtype, the degree of impairment in binocular integration predicts the pattern of monocular acuity deficits. (2) Subjects who lack binocular integration exhibit the most severe interocular suppression. METHODS Seven subjects with anisome...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه قم - دانشکده علوم انسانی 1387

هدف ما در این پایان نامه طراحی و ساخت سیستم مولد پلاسمای فلزات قلیایی به نام q-machine vertical می باشد.این سیستم از چند قسمت تقسیم شده است که عبارتند از: 1- محفظه خلا با اتصالات از نوع استاندارد cf و خلا اولیه بین6-10 تاtorr 8-10که بصورت استوانه ای و سه تکه و از جنس استنلس استیل 316 می باشد. 2- آهنرباهای الکتریکی: که وظیفه دارند میدان مغناطیسی محوری یکنواخت وثابتی در حدود 5/0 تسلا در طول قس...

Journal: :Photonics 2022

Vernier spectroscopy is a frequency comb-based technique employing optical cavities for filtering of the comb and enhancement interaction length with sample. Depending on ratio cavity free spectral range repetition rate, transmits either widely spaced individual lines (comb-resolved spectroscopy) or groups lines, called orders (continuous-filtering spectroscopy, CF-VS). The enables use low-reso...

Journal: :Vision Research 1995
Barry B. Lee Christian Wehrhahn Gerald Westheimer Jan Kremers

Responses of parafoveal macaque ganglion cells were measured as a function of the contrast and position of an edge flashed within their receptive fields. The goal was to determine the ability of different cell types to signal edge location. For comparison, parafoveal vernier thresholds of human observers were measured with pairs of flashed edges. Cells of the magnocellular (MC-) pathway gave la...

2015
Meng Li Nan Zhang Kaiyang Wang Jiankai Li Shumin Xiao Qinghai Song

Recently, on-chip single-mode laser emissions in coupled microdisks have attracted considerable research attention due to their wide applications. While most of single-mode lasers in coupled microdisks or microrings have been qualitatively explained by either Vernier effect or inversed Vernier effect, none of them have been experimentally confirmed. Here, we studied the mechanism of single-mode...

2018
Martin K. Schmid Livia Faes Lucas M. Bachmann Michael A. Thiel

Objective To evaluate diagnostic accuracy of a new self-monitoring device using a Vernier hyperacuity alignment task. Method A total of 11 wet Age-Related Macular Degeneration (AMD) patients and 9 controls contributing 37 eyes were consecutively enrolled into this prospective diagnostic case-control study at the retina centre of the Cantonal Hospital Lucerne, Switzerland. Vernier acuity testi...

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