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Weakly nonlinear waves in a prestressed thin elastic tube containing a viscous fluid
(PergamonElsevier Science LTD, 111999)In this work, we studied the propagation of weakly nonlinear waves in a prestressed thin elastic tube filled with an incompressible viscous fluid. In order to include the geometrical and structural dispersion into analysis, ... 
Assessing the (in)consistency of samesex and oppositesex peer nominations among Turkish elementaryschool children
(SAGE PUBLICATIONS INC.PSYCHOEDUCATIONAL CORP., 199709)Nomination procedures for assessing peer behaviors are in wide use, and mixedsex peer nominations are often utilized under the assumption that combined sameand oppositesex nominations yield a representative picture of ... 
Feature extraction in shape recognition using segmentation of the boundary curve
(ELSEVIER SCIENCE BV, 199710)We present a new method for feature extraction of twodimensional shape information based on segmentation of the boundary curve. This approach partitions closed shapes into segments and finds their angular spans. The number ... 
A numerical real frequency broadband matching technique based on parametric representation of scattering parameters
(IEEE, 1998)In this study, a computer, aided broadband matching technique based on the parametric representation of scattering parameters is proposed. The new technique combines the advantageous of the so called parametric approach ... 
Analysis of self noise in a clock recovery systems with a highorder nonlinearity
(IEEE, 1998)This paper presents a new technique to compute efficiently the I and Q spectra, and the I  Q crossspectrum of the self noise appearing at the output of the zeromemory, high order nonlinear device employed in a clock ... 
Adaptive identification and equalization of magnetic recording channels
(ASSOC ELETTROTECNICA ED ELETTRONICA ITALIANAWiley, 199803)A new RLS adaptive Volterra filter is presented. The nonlinear filtering problem is transformed into an equivalent multichannel, but linear, filtering problem. The multichannel input signal is completely orthogonalized ... 
Analysis of self noise in a clock recovery systems with a highorder nonlinearity
(BOGAZICI UNIVERSITY BEBEK, FACULTY ENGINEERING DEPT CIVIL ENGINEERING, 1999)This paper presents a new technique to compute efficiently the I and Q spectra, and the I  Q crossspectrum of the self noise appearing at the output of the zeromemory, high order nonlinear device employed in a clock ... 
On the kinematic of a 3DOF Stewart platform
(JOHN WILEY & SONS INC., 199902)The kinematic behavior of the Stewart platform has been discussed in the literature by many researchers. In the present article, a special form of the Stewart platform, namely, the 3degrees of freedom platform with ... 
Comments on "upper cutoff frequency of the bound wave and new leaky wave on the slotline"
(IEEEINST ELECTRICAL ELECTRONICS ENGINEERS INC., 199905)For original paper see J. Zehentner et al., ibid., vol.46, pp.37886 (Apr. 1998). In the above paper, Zehentner et al. claimed the identification of a new previously unidentified leaky wave on the slotline. They also believe ... 
A modified reductive perturbation method as applied to nonlinear ionacoustic waves
(Physical Society Japan, 199906)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 reductive perturbation method. Introducing the concept of ... 
Propagation of weakly nonlinear waves in fluidfilled thick viscoelastic tubes
(Elsevier Science Inc., 199910)In the present work, we studied the propagation of smallbutfiniteamplitude waves in a prestressed thick walled viscoelastic tube filled with an incompressible inviscid fluid. In order to include the dispersion, the ... 
Modulation of nonlinear waves in a thin elastic tube filled with a viscous fluid
(PergamonElsevier Science LTD., 199911)In the present work, utilizing the nonlinear equations of a prestressed thin elastic tube filled with an incompressible viscous fluid the propagation of weakly nonlinear waves in such a medium is studied. Considering that ... 
The concept of confluence and the edge conditions for a wedge bounded by material sheets
(IEEE, 2000)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 ... 
Generation of optimum signature base sequences for speech signals
(IEEE, 2000)In our previous publications [16], we proposed a novel method to represent signals in terms of, so called, "Signature Base FunctionsSBF' which were extracted from the physical features of the waveform under consideration. ... 
Joint ML timing and phase estimation in OFDM systems using the EM algorithm
(IEEE, 2000)In this paper, a computationally efficient algorithm is presented for joint maximum likelihood (ML) timing and carrier phase estimation of OFDM systems employing MPSK modulation scheme with additive Gauissian noise, based ... 
Two reflector non symmetric shaped antenna systems
(IEEE, 2000)Two reflector antenna systems with non symmetric reflecting surfaces under GO approximation are investigated. It is shown, that the problem of forming desired far field pattern leades to solving the system of partial ... 
On the realization of optical mappings and transformation of amplitudes by means of an aspherical "thick" lens
(Gustav Fischer Verlag, 2000)The constraints for the realization of a given optical mapping by means of an aspherical ''thick" lens are investigated by using the laws of geometrical optics. The analysis yields us a partial differential equation which ... 
A new algorithm for joint time and phase synchronization in OFDM systems
(IEEE, 2000)In this paper, a computationally efficient algorithm is presented for joint maximum likelihood (ML) timing and carrier phase synchronization of OFDM systems employing MPSK modulation scheme with additive Gaussian noise, ... 
Analysis of layered media terminated with an impedance surface varying in lateral directions
(SPRINGERVERLAG BERLIN, 2000)Determination of the constitutive parameters of a region from data provided by remote sensing is an extremely interesting and important topic from various points of view. In a large class of problems of this type, the ... 
On the contribution of higher order terms to solitary waves in fluid filled elastic tubes
(Birkhauser Verlag, 200001)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 ...