نتایج جستجو برای: امبرلایت ira
تعداد نتایج: 1477 فیلتر نتایج به سال:
PURPOSE The aim of this study is to investigate whether P wave dispersion (PWD), measured before, during and after fibrinolytic therapy (FT,) is able to predict successful reperfusion and infarct related artery (IRA) patency in patients with acute anterior MI who received FT. METHODS Sixty-eight patients who presented with acute anterior MI were enrolled in the study. An electrocardiogram was...
. In this paper, we consider coding of short data frames (192 bits) by IRA codes. A new interleaver for the IRA codes based on a Gruenbaum graph is proposed. The difference of the proposed algorithm from known methods consists in the following: permutation is performed by using a match smaller interleaver which is derived from the Gruenbaum graph by finding in this graph a Hamiltonian path, enu...
In this paper we will introduce an ensemble of codes called irregular repeat-accumulate (IRA) codes. IRA codes are a generalization of the repeat-accumluate codes introduced in [1], and as such have a natural linear-time encoding algorithm. We shall prove that on the binary erasure channel, IRA codes can be decoded reliably in linear time, using iterative sum-product decoding, at rates arbitrar...
In this paper we present a study that suggests a two-step approach, called the Iterative Refinement Algorithm (IRA), for improving the classification accuracy of inductive learning algorithms applied to very large datasets. We present the preliminary test results for IRA compared to other prediction methods including logistic regression, discriminant analysis, neural networks, C5, CART, and CHA...
Recognition and clearance of a bacterial infection are a fundamental properties of innate immunity. Here, we describe an effector B cell population that protects against microbial sepsis. Innate response activator (IRA) B cells are phenotypically and functionally distinct, develop and diverge from B1a B cells, depend on pattern-recognition receptors, and produce granulocyte-macrophage colony-st...
Irregular Repeat-Accumulate (IRA) codes, introduced by Jin et al., have a linear-time encoding algorithm and their decoding performance is comparable to that of irregular low-density parity-check (LDPC) codes. Meanwhile the authors have introduced detailedly represented irregular LDPC code ensembles specified with joint degree distributions between variable nodes and check nodes. In this paper,...
AIMS To examine the incidence of and propensity for non-culprit interventions performed at the time of the primary percutaneous coronary intervention (PCI) and its association with 90-day outcomes. METHODS AND RESULTS We examined the incidence, propensity for, and associated 90-day outcomes following non-culprit interventions performed at the time of primary PCI among ST-elevation myocardial ...
BACKGROUND The preventive role of acute occurring of collateral circulation (AOCC) to infarct related artery (IRA) in patients presenting with acute ST-segment elevation myocardial infarction (STEMI) is well known. Therefore, we aimed to investigate whether there is an association between admission plasma 25-hydroxyvitamin D (25(OH)D3) levels and grade of collateralization in patients with STEM...
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