نتایج جستجو برای: oblique perturbation

تعداد نتایج: 73090  

Journal: :Vision Research 1995
Jukka Saarinen Dennis M. Levi

An oblique effect is evident in vernier acuity for abutting lines. In Experiment 1 we show that the oblique effect in vernier acuity exists over a range of contrast levels, and is evident even when the horizontal and oblique lines are equally detectable or discriminable. Since this oblique effect cannot be explained by the lower visibility of oblique vernier lines or of the "dipole" cue, it is ...

Abolfazl Khalkhali, Alireza Salour

Actual applications of the energy absorbers showed that actual loads are not applied in the form of pure axial compression, pure bending or pure torsion. In reality, an energy absorber component may be subjected to combined loading of compression, bending and torsion. A number of previous articles have investigated the behavior of energy absorbers under oblique loading. In such cases, the obliq...

Journal: :iran agricultural research 2008
t. honar m. javan

side weirs are flow diversion devices that are widely used in irrigation, drainage and urban sewage systems. the present study focuses on the investigation of the effect of oblique side weirs on the discharge coefficient of a side weir under subcritical flow condition in rectangular channels. in this study 106 laboratory tests were conducted and the results were analyzed to find out the influen...

Journal: :journal of current ophthalmology 0
ضیاءالدین طباطبایی syed ziaeddin tabatabaie محمدطاهر رجبی mohammad taher rajabi علی صادقی طاری ali sadeghi tari محمدباقر رجبی mohammad bagher rajabi

purpose : we describe clinical and radiologic findings and surgical outcome of an orbital dermoid cyst located in the superior oblique muscle tendon. this unusual location for dermoid tumors has not been reported previously. case report : a 15-year-old girl referred to us with an orbital mass in superonasal quadrant of the left orbit reportedly to be present from birth. computed tomography reve...

We investigate the hard nonresonant excitation of the forced Duffing equation with a positive damping parameter E. Using the symbolic manipulation system MACSYMA, a computer algebra system. we derive the two term perturbation expansion by the method of multiple time scales. The resulting approximate solution is valid for small values of the coefficient e As the damping parameter e increases, th...

2010
A. Eissa A. H. Wilman

Fig. 2 (left) Phase images with iron-rich region (substantia nigra, red nucleus) enlarged below. (a) standard axial, (b) standard oblique showing overwhelming distortion from oblique voxel alignment, (c) oblique ISEE as acquired with axial acquisition showing anterior and posterior aliased portions, (d) same ISEE data set as (c) after reformatting into oblique plane. In (c) oblique ISEE provide...

2008
D. Chang C. L. Wu

Small angle neutron diffraction experiments are analyzed using recently developed and properly generalized one-field effective free energy method. In the case of experiment of Keimer et al on YBCO, we show that the fourfold symmetry of the underlying crystal is explicitly broken, but the reflection with respect to the [110] and [11̄0] axes remains a symmetry. The vortex lattice also becomes gene...

2004
Giacomo Cacciapaglia

We study tree level corrections to precision electroweak physics in the recently proposed Higgsless models in warped space. Such models inherit from their similarity with technicolor theories a large contribution to the oblique parameters, S in particular. We show that it is possible to suppress S using brane induced kinetic terms and unequal left-right bulk gauge couplings, paying the price of...

2008
V. G. Gavrilenko G. V. Jandieri A. Ishimaru V. G. Jandieri

Features of spatial power spectrum (SPS) of scattered radiation in a randomly inhomogeneous medium with strongly prolated anisotropic inhomogeneities of dielectric permittivity are investigated. In single scattering approximation, it has been shown that a pronounced gap along a direction of prolate inhomogeneities appears in SPS. Features of SPS of multiple scattered waves at oblique illuminati...

1999
M. Brady D. I. Pullin

It is shown that if a doubly-infinite vortex sheet has cylindrical shape and strength distributions at some initial time, then this property is retained in its subsequent evolution. It is also shown that in planes normal to the generator of the cylindrical sheet geometry, the nonlinear evolution of the sheet is the same as that of an equivalent strictly two-dimensional sheet motion. These prope...

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