نتایج جستجو برای: فیلتر rls

تعداد نتایج: 6234  

2017
Samet Yılmaz Burhanettin Çiğdem Şeyda Figül Gökçe Sevil Ceyhan-Doğan Hatice Balaban

OBJECTIVE Restless legs syndrome (RLS) is a common sensory motor disorder. RLS an urge to move the extremities that may be accompanied by dysesthesias, and significantly affects quality of life of affected patients. The frequency of RLS is higher in different systemic inflammatory diseases. Familial Mediterranean fever (FMF) is an inherited inflammatory disease characterized by attacks of polys...

2014
Vildan Altunayoglu Cakmak Sibel Gazioglu Nuray Can Usta Evrim Ozkorumak Ahmet Ayar Murat Topbas Cavit Boz

BACKGROUND AND PURPOSE Restless legs syndrome (RLS) is a common sleep-related movement disorder that is frequently associated with psychological disturbances. Personality traits are of considerable importance with respect to coping with chronic illness and disease vulnerability. This study assessed the temperament and character traits of RLS patients using an approach that involves the psychobi...

2010
Christian Tanislav Manfred Kaps Marek Jauss Erwin Stolz Wolfgang Pabst Max Nedelmann Mathias Grebe Frank Reichenberger Jens Allendoerfer

BACKGROUND In patients with patent foramen ovale (PFO) there is evidence supporting the hypothesis of a change in right-to-left shunt (RLS) over time. Proven, this could have implications for the care of patients with PFO and a history of stroke. The following study addressed this hypothesis in a cohort of patients with stroke and PFO. METHODS The RLS volume assessed during hospitalisation fo...

ابوالحسن رضاپور کورنده محمدرضا الشریف

از فیلترهای دیجیتالی وفقی FIR بطور وسیعی برای کاربردهایی نظیر شناسایی سیستم،متعادل کننده ها،حذف نویز فعال،حذف پژواک آکوستیکی،رمز سیگنال صحبت،... استفاده می گردد. در کاربردهایی که نویز اندازه گیری یا تداخل شدید است ، استفاده از الگوریتم هایی مانند در RLS,NLMS,LMS،... ]1[ ]2[ ]3[ ]4[ در حوزه زمان و FBAF,FDAF،...]5[ حوزه فرکانس با مشکل عدم همگرایی ضرایب روبرو می گردد. در این مقاله الگوریتم جدیدی ب...

2003
Ta-Hsin Li

The exponentially weighted recursive least-squares (RLS) has a long history as an algorithm to track timevarying parameters in signal processing and time series analysis. By reviewing the optimality conditions of RLS under a regression framework, possible sources of suboptimality of RLS for tracking time-varying parameters, especially when the parameters satisfy a state-space model, are identif...

Journal: :IEEE Trans. Signal Processing 1997
Simon Haykin Ali H. Sayed James R. Zeidler Paul Yee Paul C. Wei

In this paper, we exploit the one-to-one correspondences between the recursive least-squares (RLS) and Kalman variables to formulate extended forms of the RLS algorithm. Two particular forms of the extended RLS algorithm are considered: one pertaining to a system identification problem and the other pertaining to the tracking of a chirped sinusoid in additive noise. For both of these applicatio...

Journal: :Saudi journal of kidney diseases and transplantation : an official publication of the Saudi Center for Organ Transplantation, Saudi Arabia 2016
Shahram Rafie Majid Jafari Mostafa Azizi Mohammad Bahadoram Shima Jafari

Restless legs syndrome (RLS) is a neurological disorder characterized by uncomfortable sensation of paresthesia in legs that subsequently causes involuntary and continuous movement of the lower limbs, especially at rest. Its prevalence in hemodialysis is more than that in the general population. Different risk factors have been suggested for RLS. We studied the prevalence and risk factors of RL...

2018
Xiao-han Jiang Si-bo Wang Qian Tian Chi Zhong Guan-ling Zhang Ya-jie Li Pan Lin Yong You Rong Guo Ying-hua Cui Ying-qi Xing

BACKGROUND Migraine is considered as a risk factor for subclinical brain ischemic lesions, and right-to-left shunt (RLS) is more common among migraineurs. This cross-sectional study assessed the association of RLS with the increased prevalence of subclinical ischemic brain lesions in migraineurs. METHODS We enrolled 334 migraineurs from a multicentre study from June 2015 to August 2016. Parti...

Journal: :Circulation 2011
Alejandro M Forteza Sebastian Koch Iszet Campo-Bustillo Jose Gutierrez Diogo C Haussen Alejandro A Rabinstein Jose Romano Gregory A Zych Robert Duncan

BACKGROUND The fat embolism syndrome is clinically characterized by dyspnea, skin petechiae, and neurological dysfunction. It is associated mainly with long bone fracture and bone marrow fat passage to the systemic circulation. An intracardiac right-to-left shunt (RLS) could allow larger fat particles to reach the systemic circulation. Transcranial Doppler can be a useful tool to detect both RL...

Journal: :Journal of neurology, neurosurgery, and psychiatry 2008
M Hornyak C Grossmann R Kohnen M Schlatterer H Richter U Voderholzer D Riemann M Berger

BACKGROUND Restless legs syndrome (RLS) is a usually chronic disorder accompanied by clinically relevant psychosocial impairment. To date, no psychologically based approach is available to improve the coping strategies and quality of life of RLS sufferers. OBJECTIVE To develop cognitive behavioural therapy tailored to this disorder (the RELEGS coping therapy programme) and present the results...

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