realization of first and second order functions using opamps
Báo cáo toán học: " On the first- and second-order statistics of the capacity " ppt
Ngày tải lên :
20/06/2014, 20:20
... first- and second- order statistics of the capacity of N ∗Nakagami-m channels for applications in cooperative networks Gulzaib Rafiq∗1 , Bjøn Olav Hogstad2 and Matthias P¨tzold1 a Faculty of Engineering ... rate (LCR), and average duration of fades (ADF) of the instantaneous channel capacity of N ∗Nakagami-m channels For large number of hops, we have studied the first -order statistics of the instantaneous ... into the influence of the number of hops and the severity of fading on the instantaneous channel capacity, and hence they are very useful for the design and performance analysis of multihop communication...
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FIRST- AND SECOND-ORDER DYNAMIC EQUATIONS WITH IMPULSE F. M. ATICI AND D. C. BILES Received 3 pdf
Ngày tải lên :
23/06/2014, 00:20
... concept of lower and upper solutions of problem (3.1)–(3.5) as follows F M Atici and D C Biles 127 Definition 3.1 The functions α and β are, respectively, a lower and an upper solution of problem ... H Erbe and X Liu, Existence results for boundary value problems of second order impulsive differential equations, J Math Anal Appl 149 (1990), no 1, 56–69 D Franco and J J Nieto, First- order impulsive ... 0,u(0) − p 0,un (0) (2.23) Now take limn→∞ and apply the Lebesgue dominated convergence theorem and the continuity of g in its second variable and of p to conclude lim Gun (t) − Gu(t) = (2.24)...
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Báo cáo hóa học: "GENERALIZED QUASILINEARIZATION METHOD AND HIGHER ORDER OF CONVERGENCE FOR SECOND-ORDER BOUNDARY VALUE PROBLEMS" pdf
Ngày tải lên :
22/06/2014, 22:20
... uniformly and monotonically to the unique solution of (3.1) T G Melton and A S Vatsala Let us consider the order of convergence of {αn (t)} and {βn (t)} to the unique solution u(t) of (3.1) To ... uniformly and monotonically to the unique solution of (3.1) and the convergence is of order Remark 3.3 Similar results can be obtained for the other two coupled upper and lower solutions of (3.1) and ... uniformly and monotonically to the unique solution of (1.1), and the convergence is of order T G Melton and A S Vatsala Preliminaries In this section, we recall some well known theorems and corollaries...
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Báo cáo hóa học: " Research Article Hölder Regularity of Solutions to Second-Order Elliptic Equations in Nonsmooth Domains Sungwon Cho and Mikhail Safonov" pot
Ngày tải lên :
22/06/2014, 22:20
... Gilbarg and L H¨ rmander, “Intermediate Schauder estimates,” Archive for Rational Mechano ics and Analysis, vol 74, no 4, pp 297–318, 1980 [13] E M Landis, Second Order Equations of Elliptic and ... Gilbarg and N S Trudinger, Elliptic Partial Differential Equations of Second Order, vol 224 of Fundamental Principles of Mathematical Sciences, Springer, Berlin, 2nd edition, 1983 [3] N V Krylov, Second- Order ... For ≤ p ≤ ∞ and k = 0,1, ,W k,p (Ω) denotes the Sobolev space of functions, which belongs to the Lebesgue space L p (Ω) together with all its derivatives of order ≤ k The norm of functions u...
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báo cáo hóa học:" Research Article Exponential Stability of Two Coupled Second-Order Evolution Equations" pptx
Ngày tải lên :
21/06/2014, 11:20
... the proofs of the above lemmas, using Young’s inequality and noting that T S we prove the conclusion t k s ds u t S0 dt k s ds T S u t dt, 2.33 Advances in Difference Equations 11 Proof of Theorem ... Proof Taking the inner product of both sides of 1.2 with v t and integrating over S, T , we see T S v t T dt T v t ,v t S dt S √ Av t dt β T S √ Au t , v t 2.29 dt Combining this equation and ... constants Gi i 1, 2, 3, which only depend on α, β, a, and k √ Proof At first, let us take the inner product of both sides of 1.1 with Av t and integrate over S, T Then, noticing 1.2 , we obtain...
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báo cáo hóa học:" Research Article Approximation of Solutions for Second-Order m-Point Nonlocal Boundary Value Problems via the Method of Generalized Quasilinearization" pdf
Ngày tải lên :
21/06/2014, 11:20
... Nieto, and W Zuo, “On monotone method for first and second order periodic boundary value problems and periodic solutions of functional differential equations,” Journal of Mathematical Analysis and ... x 20 x Let α t and β t t be, respectively, lower and upper solutions of 3.60 Clearly α t and β t are not the solutions of 3.60 and α t < β t , t ∈ 0, Also, the assumptions of Theorem 3.1 are ... vol 440 of Mathematics and Its Applications, Kluwer Academic Publishers, Dordrecht, The Netherlands, 1998 12 A Cabada and J J Nieto, “Quasilinearization and rate of convergence for higher-order...
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báo cáo hóa học:" Research Article Oscillation of Solutions of a Linear Second-Order Discrete-Delayed Equation" docx
Ngày tải lên :
21/06/2014, 18:20
... oscillation of solutions of first order delay difference equations,” Cubo, vol 7, no 2, pp 223–236, 2005 14 R Medina and M Pituk, “Nonoscillatory solutions of a second- order difference equation of Poincar´ ... assuming κ > and n is sufficiently large Below we prove that if 1.3 holds and κ > 1, then all solutions of 1.1 are oscillatory The proof of our main result will use a consequence of one of Domshlak’s ... expq−2 and exps t exp exps−1 t , s ≥ 1, exp0 t ≡ t and exp−1 t ≡ instead of ln0 t, ln1 t, we will only write t and ln t In a delayed linear difference equation of higher order is considered and...
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báo cáo hóa học:" Research Article Homoclinic Solutions of Singular Nonautonomous Second-Order Differential Equations" doc
Ngày tải lên :
21/06/2014, 20:20
... under 1.3 – 1.8 , 1.9 the set of solutions of 1.1 , 1.10 for B ∈ L0 , consists of escape solutions and of oscillatory solutions having values in L0 , L and of at least one homoclinic solution Boundary ... can borrow the arguments of 12 in the proofs of this section Theorem 3.3 If u is a damped solution of problem 1.1 , 1.10 , then u has a finite number of isolated zeros and satisfies 2.21 ; or u ... proof of Theorem 3.3, we see that if u is oscillatory, it has just one positive local maximum between the first and the second zero, then just one negative local minimum between the second and...
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Báo cáo hóa học: " Research Article Necessary Conditions of Optimality for Second-Order Nonlinear Impulsive Differential Equations" docx
Ngày tải lên :
22/06/2014, 19:20
... a Lagrange problem of systems governed by a class of the second- order nonlinear impulsive differential equation in infinite dimensional spaces Consider the following second- order nonlinear impulsive ... existence and uniqueness of PCl -mild solution for (1.1) are proved Next, we consider a Lagrange problem of system governed by (1.1) and prove the existence of optimal controls In order to derive the ... Section 2, we give associated notations and preliminaries In Section 3, the mild solution of second- order nonlinear impulsive differential equations is introduced and the existence result is also presented...
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Báo cáo hóa học: " Research Article Existence of Solutions for Second-Order Nonlinear Impulsive Differential Equations with Periodic Boundary Value Conditions" potx
Ngày tải lên :
22/06/2014, 19:20
... pp 593–610, 2006 ˚ a y [20] I Rachunkov´ and M Tvrd´ , “Non-ordered lower and upper functions in second order impulsive periodic problems,” Dynamics of Continuous, Discrete & Impulsive Systems ... solutions for second order impulsive differential equations,” Applied Mathematics and Computation, vol 114, no 1, pp 51–59, 2000 [17] L Chen and J Sun, “Nonlinear boundary value problem of first order ... Systems Theory and Applications, vol 394 of Mathematics and Its Applications, Kluwer Academic Publishers, Dordrecht, The Netherlands, 1997 [6] M Choisy, J F Gu´ gan, and P Rohani, “Dynamics of infectious...
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Báo cáo khoa hoc:" Estimates of direct and maternal covariance functions for growth of Australian beef calves from birth to weaning" doc
Ngày tải lên :
09/08/2014, 18:21
... the overall order of polynomial fit to be reduced Scaled values for log L and BIC were 8.0 and 54.2 for k = 5263, −99.4 and 163.4 for k = 5243, −43.0 and 469.9 for k = 3263, and −191.2 and 260.7 ... was adequate and provided a more parsimonious representation of the covariance structure in the data As shown in Table II, log L and the AIC favoured orders of fit of k = 6463 for PH and k = 6064 ... Estimates of covariance functions (lower triangles of symmetric matrices only) fitting Legendre polynomials to order k = 5263 (a) (Polled Hereford) and k = 5062 (Wokalup), and a cubic variance functions...
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Báo cáo y học: "Regional characterization of energy metabolism in the brain of normal and MPTP-intoxicated mice using new markers of glucose and phosphate transport" doc
Ngày tải lên :
10/08/2014, 05:21
... EL and HA: carried out the immunofluorescence assays and drafted the manuscript; JLB and MS: conceived the envelope-derived tagged ligands while; JLB, HA, ML and JT: generated, optimized and ... al.: Regional characterization of energy metabolism in the brain of normal and MPTP-intoxicated mice using new markers of glucose and phosphate transport Journal of Biomedical Science 2010 17:91 ... ligands for the detection and the study of transporters of interest We previously reported an HTLV Env RBDbased immunoadhesin (HRBD) that serves as a uniquely useful extracellular ligand of the...
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Báo cáo y học: "The feasibility of axial and coronal combined imaging using multi-detector row computed tomography for the diagnosis and treatment of a primary spontaneous pneumothora" pps
Ngày tải lên :
10/08/2014, 09:21
... location, and type of ELCs according to the MDCT data After analysis of the ELCs, a thoracic surgeon performed an axillary thoracotomy for direct inspection of the ELCs The operation and inspection of ... diagnosis of pneumothorax However, the MDCT is capable of imaging at full resolution and improved on the limitations of the HRCT Imaging of all lung fields could be performed quickly and the images ... the advent of the multidetector row technique and the introduction of the spiral CT The MDCT permits reconstruction of coronal images There has been a growing trend and interest in using coronal...
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A Comprehensive Analysis of Chattering in Second Order Sliding Mode Control Systems
Ngày tải lên :
01/07/2015, 09:18
... maximum of |s1 | and |s2 | in the steady state, yielding |s1 | ≤ 7E-4 and |s2 | ≤ 0.4 We performed a second test using μ = 0.01 The accuracy of s1 changed to 7E − 2, and the accuracy of s2 changed ... vicinity of the second- order sliding set We also estimate the amplitude of chattering oscillations as a function of the actuator time constant In Section sufficient conditions of the existence and stability ... of the properties of corresponding Poincar´ maps e A Comprehensive Analysis of Chattering 41 For linear plants and linear actuators: • A methodology of approximate analysis of the amplitude and...
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Thermodynamics (first and second laws) in dyeings
Ngày tải lên :
21/07/2015, 16:18
... Introduction of first law It is a subject dealt with volume, pressure, temperature, and concentration and with the relationships between them The first law prediction is however ... acquired by means of the mass and motions of molecules , intermolecular forces and chemical compositions The energy equation is ∆U=U2-U1 Where , ∆U= Total energy U1 =Initial value of the internal ... represent by ∆V, then the work done is given by W=p ∆V First law derivation The first principle of thermodynamics states that the internal energy E of the system is closed i.e it cannot exchange material...
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Innovative design and realization of microwave and millimeter wave integrated circuits
Ngày tải lên :
10/09/2015, 15:51
... as a proof of concept Then, the MMIC proof of concept is shown using three Colpitts oscillator designs, one at X-band and two at Ka-band, in a 0.2-µm GaAs pHEMT technology with a fT of 60 GHz ... Summary and Comparison of the Oscillators at X-Band 65 2.4 Performance Summary and Comparison of the Oscillators from KBand to Ka-Band 66 2.5 Component Values of the ... inductor and capacitor LNA Low Noise Amplifier LO Local Oscillator LOFT LO feedthrough LOFTµ mean value of LO feedthrough suppression LOFTσ standard deviation of LO feedthrough suppression LOFTnorm...
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Constructions of codes and low discrepancy sequences using global function fields
Ngày tải lên :
14/09/2015, 18:43
... Furthermore, this is independent of the choice of t, hence νP ((ω)) is meaningful and defines a divisor (ω) For any divisor D of F we define the following sets of functions and CHAPTER PRELIMINARIES differentials ... nonempty subset of Fn for some n ≥ The number q n is the length of C An element of C is called a codeword and K := |C| is the number of codewords of C The information rate R of the code is defined ... of considering two terms of the local expansion of functions in a Riemann-Roch space with the idea of using a distinguished divisor It can be shown that this improves on Xing’s construction using...
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