نتایج جستجو برای: bss
تعداد نتایج: 2715 فیلتر نتایج به سال:
In order to resolve engineering problems that the performance of traditional blind source separation (BSS) methods deteriorates or even becomes invalid when unknown signals are interfered by impulse noise with a low signal-to-noise ratio (SNR), more effective and robust BSS method is proposed. Based on dual-parameter variable tailing (DPVT) transformation function, moving average filtering (MAF...
BACKGROUND Suicidal ideation has been identified as one of the major predictors of attempted or actual suicide. Routinely screening individuals for endorsing suicidal thoughts could save lives and protect many from severe psychological consequences following the suicide of loved ones. The aim of this study was to validate the German version of the Beck Scale for Suicide Ideation (BSS) in a samp...
In traditional Chinese medicine (TCM), blood stasis syndrome (BSS) is mainly manifested by the increase of blood viscosity, platelet adhesion rate and aggregation, and the change of microcirculation, resulting in vascular endothelial injury. It is an important factor in the development of diabetes mellitus (DM). The aim of the present study was to screen out the potential candidate microRNAs (m...
In this work, we deal with the problem of nonlinear blind source separation (BSS). We propose a new method for BSS in overdetermined linear-quadratic (LQ) mixtures. By exploiting the assumption that the sources are sparse in a transformed domain, we define a framework for canceling the nonlinear part of the mixing process. After that, separation can be conducted by linear BSS algorithms. Experi...
تخمین مقادیر tdoa (time differential of arrival) یکی از روش های پایه ای در مکان یابی منابع گفتار می باشد که به طور وسیع مورد بررسی قرار گرفته است. در دهه ی اخیر تحقیقات زیادی بر روی تخمین مقادیر tdoa با استفاده از فیلترهای بازترکیب مستخرج از جداسازی کور منابع، صورت گرفته است. در این پژوهش ضمن معرفی چندین روش از روش های مطرح شده در سال های اخیر، به بررسی و پیاده سازی روش sct (state coherence tra...
We investigate the topological aspects of some algebraic computation models, in particular the BSS-model. Our results can be seen as bounds on how different BSS-computability and computability in the sense of computable analysis can be. The framework for this is Weihrauch reducibility. As a consequence of our characterizations, we establish that the solvability complexity index is (mostly) inde...
Overcomplete blind source separation (BSS) tries to recover more sources from less sensor signals. We present a new approach based on an estimated histogram of the sensor data; we search for the points fulfilling the overcomplete Geometric Convergence Condition, which has been shown to be a limit condition of overcomplete geometric BSS [1]. The paper concludes with an example and a comparison o...
Battery switching stations (BSS) provide a service that enables extending the traveling range of electric vehicles. Such stations may be the future equivalent of gas stations and they are currently being deployed in several countries. A BSS is a closed loop system that renews its inventory by recharging the batteries. We study the problem of scheduling the charging process in a BSS with the obj...
PURPOSE To investigate the precipitation process of a mixture of vancomycin and ceftazidime by equilibrium dialysis and determine its subsequent effect on the level of free antibiotics for treatment of endophthalmitis. METHODS Concentrations of vancomycin and ceftazidime in an equilibrium dialysis chamber were measured during the equilibrium process by high-performance liquid chromatography. ...
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