نتایج جستجو برای: dff

تعداد نتایج: 237  

Journal: :Advances in Electrical and Electronic Engineering 2022

Wireless communication is a fast-growing industry and recent developments focus on improving certain aspects of the area reducing power consumption while maintaining frequency operation. Phase Locked Loop (PLL) an integral part circuits which operate at very high frequencies. Frequency Detector (PFD) first block PLL key in determining computational capacity PLL. The PFD has to be reduced minimi...

Journal: :Applied sciences 2023

Object pre-localization from computer-generated holograms is still an open problem in the current state of art. In this work, we propose use hologram phase space representation to determine a set regions interest where searched object can be located. The extracted used pre-locate 3D and are further refined produce more accurate depth estimate. An iterative refinement method proposed for 1D exte...

2018
Moysés Nascimento Ana Carolina Campana Nascimento Fabyano Fonseca E Silva Leiri Daiane Barili Naine Martins do Vale José Eustáquio Carneiro Cosme Damião Cruz Pedro Crescêncio Souza Carneiro Nick Vergara Lopes Serão

Flowering is an important agronomic trait. Quantile regression (QR) can be used to fit models for all portions of a probability distribution. In Genome-wide association studies (GWAS), QR can estimate SNP (Single Nucleotide Polymorphism) effects on each quantile of interest. The objectives of this study were to estimate genetic parameters and to use QR to identify genomic regions for phenologic...

2017
H. Mutschke M. Min

Context. Analysis of thermal dust emission spectra for dust mineralogy and physical grain properties depends on comparison spectra, which are either laboratory-measured infrared extinction spectra or calculated extinction cross sections based on certain grain models. Often, the agreement between these two kinds of spectra, if available, is not yet satisfactory because of the strong influence of...

Journal: :Catalysts 2021

This study demonstrates the use of a photoelectrochemical device comprising earth-abundant hematite photoanode for oxidation 5-hydroxymethylfurfural (5-HMF), versatile bio-based platform chemical, under ambient conditions in presence an electron mediator. The results obtained this showed that photoanode, upon doping with fluorine, can oxidize water even at lower pH (4.5 and 9.0). For 5-HMF oxid...

Journal: :Journal of Imaging Science and Technology 2021

Traditional depth from focus (DFF) methods obtain image a set of differently focused color images. They detect in-focus region at each by measuring the sharpness observed textures. However, estimating arbitrary texture is not trivial task especially when there are limited or intensity variations in an image. Recent deep learning based DFF approaches have shown that collective estimation images ...

Journal: :Computers, materials & continua 2022

Now a days, MOS Current Mode Logic (MCML) has emerged as better alternative to Complementary Metal Oxide Semiconductor (CMOS) logic in digital circuits. Recent works have only traditional gates that issues with information loss. Reversible is incorporated this proposed work solve problem, which used for multiplier design, D Flip-Flop (DFF) and register. The minimization of power area the main a...

Journal: :CoRR 1994
Michael J. Dinneen

Because of cost and physical limitations there is an interest in broadcast networks with a fixed maximum number of communication links for each node, [BHLP,LP,DFF]. In this note we show that given an arbitrary bounded-degree network, determining the minimum broadcast time for any originating node is NPcomplete. For the NP-completeness proof of the general case of unbounded-degree networks, it i...

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