نتایج جستجو برای: block shift

تعداد نتایج: 292841  

Journal: :Hippokratia 2010
N Kozeis Z Gatzioufas F Schirra U Loew B Seitz

We report on a patient who developed capsular block syndrome (CBS) in the early postoperative period with marked myopic shift in absence of anterior dislocation of the posterior-chamber intraocular lens (PC/IOL) and iris diaphragm. Treatment with focal 6-o'-clock Nd: YAG-capsulotomy resulted in complete visual acuity restoration. To the best of our knowledge this is the fist case of early onset...

2007
Salah A. Aly

In this paper we construct a class of regular Low Density Parity Check (LDPC) codes derived from Latin squares. The parity check matrices of these codes are constructed by permuting shift-orthogonal Latin squares of order n in blockrows and block-columns. I show that the constructed LDPC codes are self-orthogonal and their minimum and stopping distances are bounded. This helps us to construct a...

2005
Venkat Anantharam Xiaoyi Tang

Suggested reference for convolutional codes : “Fundamentals of Convolutional Coding” by Rolf Johannesson and Kamil Zigangirov, IEEE Press, 1999. An encoder for a binary block code takes a block of information bits and converts it into a block of transmitted bits (a codeword). A binary convolutional encoder takes a stream of information bits and converts it into a stream of transmitted bits, usi...

Journal: :iranian journal of pharmaceutical research 0
masoud motallebi kashani department of occupational health, faculty of health, kashan university of medical sciences, kashan, iran. seyyed bagher mortazavi department of occupational and environmental health, school of medicine, tarbiat modrres university, tehran, iran. ali khavanin department of occupational and environmental health, school of medicine, tarbiat modrres university, tehran, iran. abdolamir allameh department of biochemistry, school of medicine, tarbiat modarres university, tehran, iran. ramezan mirzaee department of occupational health, school of health, zahedan university of medical sciences, zahedan, iran. mehdi akbari department of audiology, school of rehabilitation sciences, iran university of medical sciences, tehran, iran.

noise induced hearing loss (nihl) is one of the most important occupational disease worldwide. nihl has been found potentiate by simultaneous carbon monoxide (co) exposure. free radicals have been implicated in cochlear damage resulted from the exposure to noise and due to the co hypoxia. this study examined whether α-tocopherol administration, as a free radical scavenger, causes the attenuatio...

A four port network adder-subtractor module, for surface plasmon polariton (SPP) waves based on a ring resonator filter is proposed. The functionality of module is achieved by the phase difference manipulation of guided SPPs through different arms connected to the ring resonator. The module is designed using the concepts of a basic two-port device proposed in this paper. It is shown that two po...

Abdolamir Allameh, Ali Khavanin Masoud Motallebi Kashani Mehdi Akbari Ramezan Mirzaee Seyyed Bagher Mortazavi

Noise induced hearing loss (NIHL) is one of the most important occupational disease worldwide. NIHL has been found potentiate by simultaneous carbon monoxide (CO) exposure. Free radicals have been implicated in cochlear damage resulted from the exposure to noise and due to the CO hypoxia. This study examined whether α-tocopherol administration, as a free radical scavenger, causes the attenuatio...

Abdolamir Allameh, Ali Khavanin Masoud Motallebi Kashani Mehdi Akbari Ramezan Mirzaee Seyyed Bagher Mortazavi

Noise induced hearing loss (NIHL) is one of the most important occupational disease worldwide. NIHL has been found potentiate by simultaneous carbon monoxide (CO) exposure. Free radicals have been implicated in cochlear damage resulted from the exposure to noise and due to the CO hypoxia. This study examined whether α-tocopherol administration, as a free radical scavenger, causes the attenuatio...

2006
Takayuki Uchihashi Toshio Ando Hayato Yamashita

The authors report on fast phase imaging in liquids achieved by fast phase detection in rapid scan atomic force microscopy. The phase-shift images clearly revealed the compositional heterogeneities in styrene-butadiene-styrene block copolymer films even at an imaging rate of less than 100 ms/ frame. They found that the contrast variations of the phase images depended on the phase-shift detectio...

Journal: :Computers & Mathematics with Applications 2017
Davod Khojasteh Salkuyeh Maryam Rahimian

A modification of the generalized shift-splitting (GSS) method is presented for solving singular saddle point problems. In this kind of modification, the diagonal shift matrix is replaced by a block diagonal matrix which is symmetric positive definite. Semiconvergence of the proposed method is investigated. The induced preconditioner is applied to the saddle point problem and the preconditioned...

2013
M. A. Botchev I. V. Oseledets E. E. Tyrtyshnikov

The aim of this paper is two-fold. First, we propose an efficient implementation of the continuous time waveform relaxation method based on block Krylov subspaces. Second, we compare this new implementation against Krylov subspace methods combined with the shift and invert technique.

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