properties of discrete time fourier series ppt
06 Quantization of Discrete Time Signals
... infinite set of possible signals is converted into a finite set. The next step of encoding maps thefinite set of discrete time, continuous amplitude signals into a finite set of discrete time, discrete amplitude ... as its domain. A discrete time, continuous amplitude signalhas R as its range. A discrete time, discrete amplitude signal has Z as its range. Here, the focus ison discrete time signals. Quantization ... discrete time signals. Quantization is the process of approximating any discrete time, continuousamplitude signal into one of a finite set of discrete time, continuous amplitude signals based on aparticular...
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Tài liệu Báo cáo khoa học: Binding of ligands originates small perturbations on the microscopic thermodynamic properties of a multicentre redox protein pptx
... infavour of a specific binding of phosphate to cyto-chrome c3[23] instead of a simple electrostatic effect of increased ionic strength at least up to 0.2 m concen-tration. The region of positively ... approximation of the redox centres of the donor and acceptor, and thatthe reduction potentials ensure a favourable drivingforce, which is one of the main determinants of therate of electron ... Experimental measure-ments of the reduction potentials of proteins involvedin complexes have been reported [5–7], but the effect of partner binding on the microscopic properties of theredox centres...
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Báo cáo " Influence of intradot Coulomb interaction on transport properties of an Aharonov-Bohm interferometer " ppt
... equation of motion approach, we haveinvestigated the electronic transport properties of an Aharonov-Bohm (AB) ring in the presence of a magnetic field with a quantum dot inserted in one arm of the ... for the ring-dot using the equations of motion method [17]. The equations of motion method of the dot Green function gives rise to an infinite order system of higher-order Green functions. Anapproximation ... system of equations, thus producing the closed set of equations. To do the truncation, we approximate the Green functions up to the second order of U. This truncation ensures that most of the...
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RISK PROPERTIES OF AMU DENOMINATED ASIAN BONDS pptx
... Hi-Stat Discussion Paper Series No.45 Risk Properties of AMU denominated Asian Bonds Junko Shimizu and Eiji Ogawa November ... Research Unit for Statistical Analysis in Social Sciences A 21st-Century COE Program Institute of Economic Research Hitotsubashi University Kunitachi, Tokyo, 186-8603 Japan http://hi-stat.ier.hit-u.ac.jp/...
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Báo cáo khoa học: "ON THE SUCCINCTNESS PROPERTIES OF UNORDERED CONTEXT-FREE GRAMMARS" ppt
... polynomiaUy bigger than the size of a grammar for the language itself. The proof of this claim rests on inspection of one of the standard proofs, say Hopcroft and Ullman [5]. The result is ... The number of strings in A is less than or equal to the number of ways of selecting one of the u strings. Consider the u string to the left of the boundary which z overlaps. Because of wraparound, ... f~(cn). Proof. This proof is really just a generalization of the proof of Theorem 1. It uses, however, the Q subsets in a way that the proof of Theorem 1 does not. First, we drop the n subscript...
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The Estimation of Mechanical Properties of Polymers from Molecular Structure ppt
... and cost-in short, the engineering properties of a material. Other properties may be of importance, but, if a polymer does not have a balance of these properties, its chances for commercial ... Krevelen, Properties of Polymers, Their Estimation and Correlation with Chemical Structure, Elseview, New York, 1976, p. 303. 25. D. W. Van Krevelen and P. J. Hoftyzer, Properties of ... ASTM D638. ESTIMATION OF MECHANICAL PROPERTIES OF POLYMERS 1343 Data calculated Temperature, K Figure 9 Tensile modulus of polystyrene as a function of temperature. 1. Shear...
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báo cáo hóa học:" The paediatric Bohler’s angle and crucial angle of Gissane: a case series" pptx
... alteration of these angles can beused as a measure of fracture severity, with one goal of surgical management being restoration of these anglesto normal values.Bohler’s angle and the crucial angle of ... changes in a number of radiographic angles inthe paediatric foot [4], to our knowledge this is the firstdescription of the normal values of Bohler’sangleandthe crucial angle of Gissane in a paediatric ... this age bracket, the range of Bohler’sanglewas21.7to 53.5 degrees (mean 32.9 degrees) and the range of Table 1 Mean values of Bohler’s angle and the crucialangle of Gissane for different age...
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Báo cáo toán học: " Some certain properties of the generalized hypercubical functions" ppt
... degrees of freedom k and n,we generalize it from discrete to continual [1,2]. In addition, we can advance from thefield of the natura l integers o f the dimensions–degrees of freedom of cube ... 2011:60http://www.advancesindifferenceequations.com/content/2011/1/60Page 8 of 14comes down to zero. The greatest values of the considered functions are infinite, whenk0= ∞.2.7. The first derivatives of the ch1 function of HC in relation to the degree of freedom ... 2)ψ2(υ +1)+ψ4(k + n − 2).In general, the HC of the mth derivative of n can be defined on the basis of the pro-duct of polygamma (psi) polynomial of the mth degree and HC. Its general form is...
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Báo cáo hóa học: " Preparation and properties of copper-oil-based nanofluids" ppt
... conductivities of nanofluidsThe effects of both temperature and mass fraction of thenanoparticles on the viscosities of the nanofluids wereinvestigated. Figure 5 shows the results of viscosity ... qCbFigure 6 Thermal conductivity of nanofluids: (a) Variation of thermal conductivity of nanofluids at 25°C with mass fraction of nanoparticles;(b) variation of thermal conductivity with temperature ... concentration of the nanopar-ticles. The addition of nanoparticles with 1% of massfraction leads to no more than 5% increase of the visc-osity. Therefore, the formatio n of nanofluids has no...
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Báo cáo hóa học: "Investigation of electrical and magnetic properties of ferro-nanofluid on transformers" pptx
... coupling coefficient of coils grew with theincrement of the ferro-nanofluid concentration. The presence of ferro-nanofluid increased resistance, yielding to thedecrement of the quality factor, ... factor of coils of transformerswith different magnetic cores. Owing to the fact that theincrease of resistance is larger and faster than that of inductance with the presence of Fe3O4nanofluids, ... concentrations of ferro-nanofluidswere applied to the magnetic cores of transformers. Theperformance of transformers with magnetic cores of airFigure 6 The coupling coefficients of transformers...
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Báo cáo hóa học: " Research Article Stabilization of Discrete-Time Control Systems with Multiple State Delays" doc
... 2, pp. 521–542, 1999.10 E. K. Boukas, “State feedback stabilization of nonlinear discrete- time systems with time- varying time delay,” Nonlinear Analysis: Theory, Methods & Applications, ... for discrete- time systems,” IEEETransactions on Automatic Control, vol. 41, no. 6, pp. 903–907, 1996.12 E. N. Chukwu, Stability and Time- Optimal Control of Hereditary Systems, vol. 188 of ... the globalexponential stabilizability of discrete- time systems with time- delayed states. Finally, as anapplication, we consider the global stabilization of the nonlinear control systems.2. PreliminariesIn...
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