نتایج جستجو برای: block structure
تعداد نتایج: 1699975 فیلتر نتایج به سال:
asymmetric polyethersulfone (pes) microfiltration flat sheet membranes were composed by the phase inversion method (pim) and were used as supports. composite membranes were fabricated by coating silicone rubber as selective layer. effect of different concentrations of pes and pdms and different solvent such as nmp, dmf and dms effects as pes solvents and support thickness and different coagulat...
Polyethylene oxide –b– polypropylene oxide -bpolyethylene oxide (EO106PO70EO106) block copolymer self-organizes into polymeric supramolecules, characterized by NMR as phase transition from the isotropic stack-up block structure to the ordered cubic polymeric supramolecular structure. Its dependence on both temperature and copolymer concentration is clearly shown by the changes in line shape and...
In recent years, the creation of block-structured dictionary has attracted a lot of interest. Learning such dictionaries involve two step process: block formation and dictionary update. Both these steps are important in producing an effective dictionary. The existing works mostly assume that the block structure is known a priori while learning the dictionary. For finding the unknown block struc...
Noncovalent supramolecular assemblies possess in general several unique subunit-subunit interfaces.The basic building block of such an assembly consists of several subunits and contains all unique interfaces. Atomic-resolution structures of monomeric subunits are typically accessed by crystallography or solution NMR and fitted into electron microscopy density maps. However, the structure of the...
In this paper, we made an analysis on computational complexity of block least mean square (BLMS) finite impulse response (FIR) filter and decompose the filter computation into M sub-filters, where M = N/L, N is the filter length and L is the block-size. Each sub-filter acts like a short-length BLMS FIR filter of size L. The proposed decomposition scheme favors timemultiplexing the filtering com...
INCOMPLETE TRANSMISSION of impulses across the atrioventricular (A-V) junction has held a special fascination for many investigators.'14 Varied investigational techniques including venous pulse waves, standard electrocardiograms, and direct catheter electrode recordings from the cardiac chambers have been used to further the understanding of retrograde transmission of impulses into the A-V junc...
In this paper we have proposed a look-up-table (LUT) based structure for high-throughput implementation of multilevel lifting DWT. The proposed structure can process one block of samples to achieve high-throughput rate. Compared with the best of the similar existing structure, it does not involves any multipliers but it requires more adders and 21504 extra ROM words for J=3; its offers less cri...
یک فضای خطی متناهی بر v نقطه با b خط یک فضا است که در آن از هر دو نقطه درست یک خط عبور می کند. در این پایان نامه ما مقالات زیر را که مربوط به فضاهای خطی ایت را بررسی می کنیم. melone, n. (1991). a structure theorem for finite linear spaces. lecture notes math, 2, 231-241. bridges, w.g. (1972). near 1-designs. j. combinatorial theory (a), 13, 116-126. varga, l.e. (1985). a note on the structu...
Block ramps are hydraulic structures which are commonly used in river restoration projects. Especially in the last few decades, the use of this type of structures have become more and more popular. They furnish a correct balance between the hydraulic functioning and the environmental care, as they minimize the impact on the environment in which they are located. In addition, they can be conside...
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