نتایج جستجو برای: روش rls
تعداد نتایج: 371859 فیلتر نتایج به سال:
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...
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...
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...
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...
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...
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...
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...
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...
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...
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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