نتایج جستجو برای: hartley functions
تعداد نتایج: 492781 فیلتر نتایج به سال:
We answer in the negative a question of Hartley about representations finite groups, by constructing examples simple groups with arbitrarily large whose endomorphism ring consists just scalars. show as consequence that there are automorphisms locally group SL(∞,Fq) trivial centralizer. The smallest our is A6 q=9.
We present an information-theoretic approach to obtain an estimate of the number of bits that can be hidden in still images, or, the capacity of the data-hiding channel. We show how the addition of the message signal or signature in a suitable transform domain rather than the spatial domain can signiicantly increase the channel capacity. Most of the state-of-the-art schemes developed thus far f...
The Deep Impact Spacecraft flew past Comet 103P/Hartley 2 on November 4th, 2010. Images revealed the comet to be enveloped in a field of debris composed of fine grained dust, ice, and hundreds of discrete millimeter to decimeter sized particles. In this work, a selection of the brightest particles are identified and photogrammetrically located in 3D space to examine their positions and dynamics...
The Shannon upper bound places a limit on the error-free information transmission rate (capacity) of a noisy channel. It has stood for over sixty years, and underlies both theoretical and practical work in the telecommunications industry. This upper bound arises from the Shannon-Hartley law, which has two parameters: the available bandwidth and the signal-to-noise power ratio. However, aside fr...
I argue that the quite dissimilar associationist theories of Hume and Hartley were both strongly influenced by Isaac Newton, who made different methodological recommendations in each of his two major works. Hume, influenced by the Principia Mathematica in which Newton described but refused to hypothesize about a cause of gravity, likewise declines to explain the causes of perceptions or the law...
The broad objectives' of this project have included aspects of N deficiency including reassessment of the so-called N critical value, determination of tree N content and the amount of annual N uptake, assessment of the periodicity of N transport to leaves and fruit, and the efficiency of fertilizer N recovery using 15N-depleted(NH.hS04' The onset of yield reduction in N-deficient "Serr" and "Ha...
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