منابع مشابه
Sinusoid=light bar+dark bar?
A sinusoidal grating can be viewed as a series of light and dark bars. Here we measure the contrast discrimination thresholds for light and dark bars individually, and find that the contrast discrimination thresholds for the whole sinusoid can be explained as ideal summation of the light and dark bar thresholds. We propose a model for light bar, dark bar, and sinusoidal contrast discrimination ...
متن کاملSpur-reduced digital sinusoid synthesis
This article presents and analyzes a technique for reducing the spurious signal content in digital sinusoid synthesis. Spurious-harmonic (spur) reduction is accomplished through dithering both amplitude and phase values prior to word-length reduction. The analytical approach developed for analog quantization is used to produce new bounds on spur performance in these dithered systems. Amplitude ...
متن کاملSinusoid Modeling in a Harmonic Context
This article discusses harmonic sinusoid modeling. Unlike standard sinusoid analyzers, the harmonic sinusoid analyzer keeps close watch on partial harmony from an early stage of modeling, therefore guarantees the harmonic relationship among the sinusoids. The key element in harmonic sinusoid modeling is the harmonic sinusoid particle, which can be found by grouping short-time sinusoids. Instead...
متن کاملLiver sinusoid surface membranes and glycoprotein secretion.
toxin (1 pg/ml) or dibutyryl cyclic AMP (0.2m) to the culture medium in which the cells are propagated. The altered distribution of glycosylation in cells exposed to cholera toxin and dibutyryl cyclic AMP, which is less evident in cells exposed to conditions that restrict the expression of transformation, is also manifested in immune-precipitation reactions, in which cellular glycoproteins are ...
متن کاملFc Gamma Receptors in the Hepatic Sinusoid
Introduction Receptors that recognize the Fc-portion of antibodies mediate endocytosis of antibody-containing complexes (ICs) [1,2]. The liver is the main organ for uptake of IC from circulation. Phagocytosis of antibody-coated particles takes place in Kupffer cells (KC) whereas endocytosis of soluble IC takes place both in KC and in liver endothelial cells (LEC) [3,4]. ICs have, in comparison ...
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ژورنال
عنوان ژورنال: Bangladesh Critical Care Journal
سال: 2016
ISSN: 2307-7654,2304-0009
DOI: 10.3329/bccj.v4i2.30032