Yayın tarihi için listeleme
Toplam kayıt 1096, listelenen: 2140

A method for higherorder expansion in nonlinear ionacoustic waves
(PergamonElsevier Science, 200003)The basic equations describing the nonlinear ionacoustic waves in a cold collisionless plasma, in the longwave limit, is reexamined through the use of a modified multiplescale expansion method. Expanding the field ... 
Scattering of electromagnetic waves by a rectangular impedance cylinder
(Elsevier Science, 200004)A uniformly valid asymptotic solution is developed for the diffraction of a highfrequency wave by an infinitely long rectangular cylinder having different impedance walls. The incident wave is generated by a line source ... 
Modulation of nonlinear axial and transverse waves in a fluidfilled thin elastic tube
(PergamonElsevier Science, 200007)In the present work, utilizing the nonlinear equations of a prestressed thin elastic tube filled with an incompressible inviscid fluid the propagation of weakly nonlinear waves in such a medium is studied. Considering ... 
Dissipative dynamics and the statistics of energy states of a Hookean model for protein folding
(Kluwer Academic PublishersPlenum Publishers, 200007)A generic model of a random polypeptide chain, with discrete torsional degrees of freedom and Hookean spring connecting pails or hydrophobic residues, reproduces the energy probability distribution of real proteins over a ... 
Confluent edge conditions for the electromagnetic wave at the edge of a wedge bounded by material sheets
(Elsevier Science, 200007)The edge conditions which dictate the asymptotic behaviour of the electromagnetic field near the edges play a crucial role in solving boundaryvalue problems involving boundaries having edges. In analytical studies they ... 
Testing a hypothesis for the evolution of sex
(World Scientific Publishing Company, 20000711)An asexual set of primitive bacteria is simulated with a litstring Penna model with a Fermi function for survival. A recent hypothesis by Jan, Stauffer, and Moseley on the evolution of sex from asexual cells as a strategy ... 
A generalization of the WienerHopf approach to direct and inverse scattering problems connected with nonhomogeneous halfspaces bounded by npart boundaries
(Oxford Univ Press, 200008)The classical WienerHopf method connected with mixed twopart boundaryvalue problems is generalized to cover npart boundaries. To this end one starts from an adhoc representation for the Green function, which involves ... 
On the equilibrium of a rigid body suspended by a set of linear springs
(John Wiley & Sons, 200008)In this paper an approach is described for determining equilibrium states of a rigid body suspended elastically in space by a set of linear springs. This system is considered as a twoterminal generalized spring with ... 
The boundary layer approximation and nonlinear waves in elastic tubes
(PergamonElsevier Science, 200009)In the present work, employing the nonlinear equations of an incompressible, isotropic and elastic thin tube and approximate equations of an incompressible viscous fluid, the propagation of weakly nonlinear waves is examined. ... 
Calculation of the TX phase diagram for a mixture of liquid crystals
(PergamonElsevier Science, 200012)In this study we calculate the TX phase diagram for a mixture of liquid crystals. In this calculation we use a mean field theory We fit our calculated phase line equations to the experimental data from the literature. ... 
Algorithmic modifications to SPIHT
(IEEE, 2001)This paper proposes several low complexity algorithmic modifications to the SPIHT (Set Partitioning in Hierarchical Trees) image coding method of [3] The modifications exploit universal traits common to the real world ... 
A computer aided design technique for hybrid and monolithic microwave amplifiers employing distributed equalizers with lumped discontinuities
(IEEE, 2001)This paper will addres the use of mixed lumped and distributed elements in the matching equalizers of microwave amplifers for hybrid and monolithic MIC realizations. In this work we show how the computer aided real frequency ... 
Cascade synthesis of twovariable lossless twoport networks with lumped elements and transmission lines: A semianalytic procedure
(TAYLOR & FRANCIS LTD, 2001)Twovariable characterization of cascades composed of lossless twoport networks with lumped elements and transmission lines is considered. The problems associated with the construction of scattering functions in two ... 
An immitance based tool for modelling passive oneport devices by means of darlington equivalents
(Urban & Fischer Verlag, 2001)An immitancebased method is presented to model measured or computed data, obtained from a "passive oneport physical device" by means of its Darlington equivalent. In other words, the given data is modelled as a lossless ... 
A real frequency approach to describe lossless twoports formed with mixed lumped and distributed elements
(Urban & Fischer Verlag, 2001)The design of microwave filters, matching networks, amplifiers, that Is the "Broadband Networks" with mixed lossless lumped and distributed elements, has been a significant concern of the circuit theoreticians of the field. ... 
A novel method to represent ECG signals via predefined personalized signature and envelope functions
(IEEE, 2001)In this paper, a new method to model ECG signals by means of "Predefined Personalized Signature and Envelope Functions" is presented. ECG signals are somewhat unique to a person. Moreover, it presents quasistationary ... 
A method for calculating profiles of a dielectric thick lenses
(INST ELECTRICAL ENGINEERS INSPEC INC, 2001) 
On the performance of trellis coded MPSK systems over Rician fading channels with phase jitter
(Assoc Elettrotecnica Ed Elettronica Italiana, 200102)In this paper, the performance of trellis coded MPSK systems is investigated operating over Rician fading channels with phase jitter. Thus the results reflect not only the degradation due to the effect of fading on the ... 
Interactions of nonlinear acoustic waves in a fluidfilled elastic tube
(PergamonElsevier Science, 200103)In the present work, the nonlinear interactions of two acoustical waves propagating in a fluidfilled elastic tube with different wave numbers, frequencies and group velocities are examined. Employing the multiplescale ... 
Solitary waves in fluidfilled elastic tubes: weakly dispersive case
(PergamonElsevier Science, 200103)In the present work, employing the nonlinear equations of an incompressible, isotropic and elastic thin tube and the approximate equations of an incompressible inviscid fluid, the propagation of weakly nonlinear waves, in ...