Yayın tarihi için WOS İndeksli Bildiri Koleksiyonu listeleme
Toplam kayıt 412, listelenen: 1-20
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Analysis of self noise in a clock recovery systems with a high-order nonlinearity
(IEEE, 1998)This paper presents a new technique to compute efficiently the I and Q spectra, and the I - Q cross-spectrum of the self noise appearing at the output of the zero-memory, high order nonlinear device employed in a clock ... -
Construction of some classes of two-variable lossless ladder networks with simple lumped elements and uniform transmission lines
(IEEE, 1998)In this paper, explicit two-variable description of some classes of ladder networks of high-pass, bandpass and band-reject types are presented. Up to a certain complexity, for two-element kinds of these type regular ... -
A Numerical real frequency broadband matching technique based on parametric representation of scattering parameters
(IEEE, 1998-11-24)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 high-order nonlinearity
(Bogazici University Bebek, 1999)This paper presents a new technique to compute efficiently the I and Q spectra, and the I - Q cross-spectrum of the self noise appearing at the output of the zero-memory, high order nonlinear device employed in a clock ... -
Analysis of layered media terminated with an impedance surface varying in lateral directions
(Springer-Verlag 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 ... -
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 boundary-value problems involving boundaries having edges, in analytical studies they ... -
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 ... -
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 M-PSK modulation scheme with additive Gaussian noise, ... -
Generation of optimum signature base sequences for speech signals
(IEEE, 2000)In our previous publications [1-6], we proposed a novel method to represent signals in terms of, so called, "Signature Base Functions-SBF' 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 M-PSK modulation scheme with additive Gauissian noise, based ... -
Representation of speech signals by single signature base function within optimum frame length
(IEEE, 2000)Before this study, we proposed a novel method to represent signals in terms of, so called, “Signature Base Functions-SBF" which were extracted from the physical features of the waveform under consideration. SBF were ... -
Cascade synthesis of two-variable lossless two-port networks with lumped elements and transmission lines: a semi-analytic procedure
(Tylor & Francis Ltd, 2001)Two-variable characterization of cascades composed of lossless two-port networks with lumped elements and transmission lines is considered. The problems associated with the construction of scattering functions in two ... -
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 ... -
A method for calculating profiles of a dielectric thick lenses
(IEEE, 2001)Hasanov and Polat (see International Journal of Electronics and Communications (AEO), vol.54, no.2, p.109-113, 2000) investigated the transformation of a plane wavefront to another plane wavefront after passing through a ... -
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 quasi-stationary ... -
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 ... -
Design of a broadband microwave amplifier constructed with mixed lumped and distributed elements for mobile communication
(IEEE, 2002)In this paper, we designed a broadband microwave amplifier utilizing. the "semi-analytic method to describe symmetrical lossless two-ports with two-kinds of elements", namely, distributed and lumped elements in cascade ... -
A broadband microwave amplifier design by means of immittance based data modelling tool
(IEEE, 2002)In this paper a practical broadband microwave amplifier design algorithm is introduced utilizing the immittance data-modelling tool. In the course of design, first, the optimum input and output terminations for the active ... -
Non-data aided EM-Based channel estimation for OFDM systems with time-varying fading channels
(Kluwer Academic Publishers, 2002)In this paper, a computationally efficient algorithm is presented for maximum a posteriori (MAP) channel estimation for OFDM systems employing M-PSK modulation scheme with additive Gaussian noise, based on the Expectation ... -
Complex and real rays in three dimensional Minkowski space
(IEEE, 2002)A new approach to the theory of complex rays is proposed. It is shown that the Minkowski space is more appropriate for describing these rays than the usual, Euclidian spaces. Some illustrative examples are represented.