نتایج جستجو برای: orbital frame

تعداد نتایج: 140863  

Journal: :wavelet and linear algebra 2015
m. a. hasankhanifard m. a. dehghan

in this paper, g-dual function-valued frames in l2(0;1) are in-troduced. we can achieve more reconstruction formulas to ob-tain signals in l2(0;1) by applying g-dual function-valued framesin l2(0;1).

Journal: :bulletin of the iranian mathematical society 2011
a. safapour r. kamyabigol

Hilbert frames theory have been extended to frames in Hilbert $C^*$-modules. The paper introduces equivalent $*$-frames and presents ordinary duals of a constructed $*$-frame by an adjointable and invertible operator. Also, some necessary and sufficient conditions are studied such that $*$-frames and ordinary duals or operator duals of another $*$-frames are equivalent under these conditions. W...

Journal: :بینا 0
لیلا بیانی l bayani تهران- میدان قزوین- بیمارستان فارابی- مرکز تحقیقات چشم- دانشگاه علوم پزشکی تهران علی صادقی طاری a sadeghi tari تهران- میدان قزوین- بیمارستان فارابی- مرکز تحقیقات چشم- دانشگاه علوم پزشکی تهران خلیل حمزه دوست kh hamzeh-doost تهران- میدان قزوین- بیمارستان فارابی- مرکز تحقیقات چشم- دانشگاه علوم پزشکی تهران ابوالفضل کسایی a kasaii تهران- میدان قزوین- بیمارستان فارابی- مرکز تحقیقات چشم- دانشگاه علوم پزشکی تهران

purpose: to determine the normal values of bony inter- and intra-orbital distances in an iranian adult population by orbital ct scan. methods: the study was conducted on all adults who were referred to farabi eye hospital from march 2003 to june 2005 for ct scan ordered for complaints unrelated to craniofacial or orbital abnormalities. patients were excluded in the presence of any pathology of ...

Journal: :sahand communications in mathematical analysis 2015
mehdi rashidi-kouchi akbar nazari

in this paper we proved that every g-riesz basis for hilbert space $h$ with respect to $k$ by adding a condition is a riesz basis for hilbert $b(k)$-module $b(h,k)$. this is an extension of [a. askarizadeh,m. a. dehghan, {em g-frames as special frames}, turk. j. math., 35, (2011) 1-11]. also, we derived similar results for g-orthonormal and orthogonal bases. some relationships between dual fram...

2004
Federico M. Spedalieri

We present a new implementation of the BB84 quantum key distribution protocol that employs a d-dimensional Hilbert space spanned by spatial modes of the propagating beam that have a definite value of orbital angular momentum. Each photon carries log d bits of information, increasing the key generation rate of the protocol. The states used in the transmission part of the protocol are invariant u...

2014
Anand U. Oza Daniel M. Harris Rodolfo R. Rosales John W. M. Bush

We present the results of a theoretical investigation of droplets walking on a rotating vibrating fluid bath. The droplet’s trajectory is described in terms of an integro-differential equation that incorporates the influence of its propulsive wave force. Predictions for the dependence of the orbital radius on the bath’s rotation rate compare favourably with experimental data and capture the pro...

احسانی‌پور, فهیمه, بهمنی کشکولی, محسن, سهیل نادر, شبنم,

    Background and Aimi: Complication of sinusitis is a medical emergency. The purpose of this study was to determine the incidence of sinusitis in patients admitted with orbital and intracranial infections.Patient and Methods: A descriptive-retrospective study was conducted from March 2000 to Feb 2004 on 74 pediatric patients admitted with intracranial and orbital infections. Patient informati...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز 1358

مدل ساده floating spherical gaussian orbital (fsgo) را میتوان یک روش ad initio نامید که ساختمان هندسی singlet ground state مولکولها را که دارای تعداد زوج الکترونهای جفت شده می باشند مورد بررسی قرار می دهند. انرژی سیستم بوسیله تغییرات پارامترهای اربیتال و مختصات هسته ها مینیمم میشود. مطالعه این مدل از آن جهت حائز اهمیت است که اطلاعاتی در مورد طول باند و زاویه پیوندی (bond angle) و انرژی مولکولی ...

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