نتایج جستجو برای: روش rls

تعداد نتایج: 371859  

Journal: :Arquivos de neuro-psiquiatria 2013
Karen S Ferreira Alan Eckeli Fabíola Dach José G Speciali

OBJECTIVE The pathophysiology of migraine and restless legs syndrome (RLS) seems to involve inherited mechanism and dysfunction of the dopaminergic system. Previous articles have shown that the frequency of RLS is higher in migraine patients than in controls. We conducted a study to evaluate comorbidities, medication used and depressive symptoms that can explain the relation between migraine an...

2017
Jérôme Thireau Charlotte Farah Nicolas Molinari Fabrice Bouilloux Lucas Torreilles Juliane Winkelmann Sabine Scholz Sylvain Richard Yves Dauvilliers Frédéric Marmigère

Restless Legs Syndrome (RLS) is a genetically complex neurological disorder in which overlapping genetic risk factors may contribute to the diversity and heterogeneity of the symptoms. The main goal of the study was to investigate, through analysis of heart rate variability (HRV), whether in RLS patients the MEIS1 polymorphism at risk influences the sympathovagal regulation in different sleep s...

2016
Flavia Kiweewa Matovu Lalita Wattanachanya Mags Beksinska John M. Pettifor Kiat Ruxrungtham

PURPOSE OF REVIEW Sub-Saharan Africa and other resource-limited settings (RLS) bear the greatest burden of the HIV epidemic globally. Advantageously, the expanding access to antiretroviral therapy (ART) has resulted in increased survival of HIV individuals in the last 2 decades. Data from resource rich settings provide evidence of increased risk of comorbid conditions such as osteoporosis and f...

Journal: :Acta clinica Croatica 2017
Merisanda Časar Rovazdi Viktor Vidović Oto Kraml Vanja Bašić Kes

The study included 60 patients with multiple sclerosis (MS) hospitalized at our institution from September 1 to December 31, 2014. The aim of the study was to assess the prevalence of restless legs syndrome (RLS) in MS patients and RLS relationship with patient age, sex, degree of disability, form of MS, time elapsed from MS diagnosis and use of antidepressants. The diagnosis of RLS was made ac...

2015
Siraj O. Wali Abeer F. Alkhouli

OBJECTIVES To determine the prevalence of restless legs syndrome (RLS) in Saudi patients with end-stage renal disease (ESRD) on hemodialysis. METHODS A cross-sectional study was carried out in 3 hemodialysis centers in Jeddah, Saudi Arabia, between June 2012 and September 2013. All patients were individually interviewed and data was collected on the following: demographic features, medical hi...

2017
Si-Bo Wang Xiao-Cong Wang Yan Ma Kang-Ding Liu Ying-Qi Xing

Contrast-enhanced transcranial Doppler (c-TCD) has been used to detect right-to-left shunts (RLS) because it is highly sensitive and cost-effective. The use of provocation maneuvers, such as physiologic maneuvers (e.g., coughing) and the Valsalva maneuver (VM) to transiently increase right atrial pressure and induce RLS increases the sensitivity of RLS detection. In this study, we sought to det...

Journal: :Signal Processing 2022

Two recursive least-squares (RLS) adaptive filtering algorithms are most often used in practice, the exponential and sliding (rectangular) window RLS algorithms. This popularity is mainly due to existence of low-complexity versions these However, two windows not always best choice for identification fast time-varying systems, when performance important. In this paper, we show how with arbitrary...

2007
Murat Belge

A framework for obtaining fast RLS algorithms which use a roughly quantized auxiliary input signal for eeciently updating the required adaptation gain vector is presented. The new adaptation procedure is very similar to the conventional fast RLS adaptation. Analytically, it is shown that the lter weights are found by solving almost the same normal equations corresponding to the RLS case. Obtain...

ژورنال: :فناوری اطلاعات و ارتباطات ایران 0
یحیی روایی محمد مهدی نژاد نوری محمدحسین مدنی

در این مقاله به افزایش گذردهی کانال فیدینگ چند مسیری متغیر با زمان hf از طریق همسان سازی باز خور تصمیم پرداخته شده است. به این منظور استفاده از الگوریتم فیلترینگ وفقی qrd-rls سریع چندکاناله به همراه ایده استخراج ضرایب در چند لحظه مشخص در حالت داده، پیشنهاد شده است. برای بررسی صحت عملکرد الگوریتم qrd-rls سریع چندکاناله کارایی آن با الگوریتم qrd-rls معکوس مقایسه شده است. شبیه سازی تحت شرایط کانال...

Abbas Abolghasemi, Zeynab Shahbazi,

Restless leg syndrome (RLS) is a common cause of painful legs. The leg pain of restless leg syndrome typically eases with motion of the legs and becomes more noticeable at rest. Stress or emotional upset can make symptoms worse. The purpose of the present study was to examine the relationship of emotional disturbance and quality of life to the severity of RLS. Using a descriptive-correlational ...

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