properties of discrete time fourier series ppt
06 Quantization of Discrete Time Signals
Ngày tải lên :
18/10/2013, 04:15
... infinite set of possible signals is converted into a finite set. The next step of encoding maps the
finite set of discrete time, continuous amplitude signals into a finite set of discrete time, discrete
amplitude ... as its domain. A discrete time, continuous amplitude signal
has R as its range. A discrete time, discrete amplitude signal has Z as its range. Here, the focus is
on discrete time signals. Quantization ... discrete time signals. Quantization is the process of approximating any discrete time, continuous
amplitude signal into one of a finite set of discrete time, continuous amplitude signals based on a
particular...
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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
Ngày tải lên :
19/02/2014, 17:20
... in
favour of a specific binding of phosphate to cyto-
chrome c
3
[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 that
the reduction potentials ensure a favourable driving
force, which is one of the main determinants of the
rate of electron ... Experimental measure-
ments of the reduction potentials of proteins involved
in complexes have been reported [5–7], but the effect
of partner binding on the microscopic properties of the
redox centres...
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Báo cáo " Influence of intradot Coulomb interaction on transport properties of an Aharonov-Bohm interferometer " ppt
Ngày tải lên :
05/03/2014, 14:20
... equation of motion approach, we have
investigated 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. An
approximation ... 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
Ngày tải lên :
15/03/2014, 07:20
...
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
Ngày tải lên :
17/03/2014, 20:20
... 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
Ngày tải lên :
01/04/2014, 00:20
... 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
Ngày tải lên :
20/06/2014, 07:20
... alteration of these angles can be
used as a measure of fracture severity, with one goal of
surgical management being restoration of these angles
to normal values.
Bohler’s angle and the crucial angle of ... changes in a number of radiographic angles in
the paediatric foot [4], to our knowledge this is the first
description of the normal values of Bohler’sangleand
the crucial angle of Gissane in a paediatric ... this age bracket, the range of Bohler’sanglewas21.7
to 53.5 degrees (mean 32.9 degrees) and the range of
Table 1 Mean values of Bohler’s angle and the crucial
angle of Gissane for different age...
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Báo cáo toán học: " Some certain properties of the generalized hypercubical functions" ppt
Ngày tải lên :
20/06/2014, 21:20
... degrees of freedom k and n,
we generalize it from discrete to continual [1,2]. In addition, we can advance from the
field of the natura l integers o f the dimensions–degrees of freedom of cube ... 2011:60
http://www.advancesindifferenceequations.com/content/2011/1/60
Page 8 of 14
comes down to zero. The greatest values of the considered functions are infinite, when
k
0
= ∞.
2.7. The first derivatives of the ch1 function of HC in relation to the degree of freedom ... 2)ψ
2
(υ +1)+ψ
4
(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
Ngày tải lên :
21/06/2014, 03:20
... conductivities of nanofluids
The effects of both temperature and mass fraction of the
nanoparticles on the viscosities of the nanofluids were
investigated. Figure 5 shows the results of viscosity ... qC
b
Figure 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 mass
fraction 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
Ngày tải lên :
21/06/2014, 04:20
... coupling coefficient of coils grew with the
increment of the ferro-nanofluid concentration. The presence of ferro-nanofluid increased resistance, yielding to the
decrement of the quality factor, ... factor of coils of transformers
with different magnetic cores. Owing to the fact that the
increase of resistance is larger and faster than that of
inductance with the presence of Fe
3
O
4
nanofluids, ... concentrations of ferro-nanofluids
were applied to the magnetic cores of transformers. The
performance of transformers with magnetic cores of air
Figure 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
Ngày tải lên :
21/06/2014, 20:20
... 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,” IEEE
Transactions 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 global
exponential stabilizability of discrete- time systems with time- delayed states. Finally, as an
application, we consider the global stabilization of the nonlinear control systems.
2. Preliminaries
In...
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