Elektronik ve Haberleşme Mühendisliği Bölümü: Recent submissions

Now showing items 41-60 of 574

Track loss versus computation time dilemma in multitarget Ground Target tracking performance

Korkmaz, Yusuf; Baykal, Buyurman (2013)

Tracking of multiple ground targets with airborne Ground Moving Target Indicator (GMTI) sensor measurements is a challenging problem where heavy and dense false alarms with high target density are inevitably encountered ...
Throughput Improvement in Mobile Ad Hoc Networks Using Cognitive Methods

Preveze, Barbaros (2015)
The standing matter waves and Bohm's quantum potential

Umul, Yusuf Ziya (2021-11)

The standing wave type wave functions are investigated in terms of Bohm's decomposition of the Schrödinger equation. It is shown that the quantum potential, obtained for the standing matter waves, is always different from ...
Structures and energetics of Cu21-Cu71 clusters: A molecular dynamics study

Çetin, Saime Sebnem; Özçelik, Süleyman; Güvenç, Ziya B. (2009)

Using Molecular Dynamics and thermal quenching simulations the stable geometrical structures and energies of Cun (n=21-71) clusters are identified. The interaction between the cluster atoms is modeled by an Embedded-Atom ...
Structural forms and energies of Nin, n = 12-14, clusters

Güvenç, Ziya B.; Güvenç, Dilek; Jellinek, Julius (1999)

Equilibrium structural forms of the Nin, n = 12-14, clusters, as defined by an embedded-atom potential, are obtained using molecular dynamics and thermal quenching simulations. The isomers (locally stable geometric forms) ...
Scattering of electromagnetic waves by an impedance sheet junction in anisotropic plasma

Umul, Yusuf Ziya (2020-12)

The diffraction of electromagnetic plane waves by the edge discontinuity of an impedance sheet junction, which is located in an anisotropic plasma, is investigated. The problem is solved by the integral theory of diffraction. ...
Scattering by an impedance half-plane: Comparison of the solutions of Raman/Krishnan and Maliuzhinets/Senior

Umul, Yusuf Ziya (2009)

There are three approaches for the solution of the diffraction problem of plane waves by an impedance half-plane in the literature. The diffracted field expressions, obtained by the related methods, are compared numerically. ...
Rigorous expressions for the equivalent edge currents

Umul, Yusuf Ziya (2009)

An exact form for the equivalent edge current is derived by using the axioms of the modified theory of physical optics and the canonical problem of half-plane. The edge current is expressed in terms of the parameters of ...
Propagation and diffraction of surface plasmons on a resistive half-plane

Umul, Yusuf Ziya (2020-12)

The propagation, radiation and diffraction characteristics of surface plasmons, on a discontinuous dielectric layer, are investigated. The layer is modeled by a resistive surface. The physical optics based formulation of ...
Power consumption of novel throughput improvement methods

Preveze, Barbaros; Şafak, Aysel (2010)

The novel proposed method as a combination of Time Division Multiple Access (TDMA) and Orthogonal Frequency Division Multiple Access (OFDMA) called Orthogonal Frequency Division Most Congested Access First (OFDMCAF) provides ...
Polarization rate and performance of polar codes

Gazi, Orhan (2019)
Polarization of binary erasure channels

Gazi, Orhan (2019)

In this chapter, we will demonstrate the calculation of split channel capacities when polar codes are employed for binary erasure channels.
Polar codes: A non-trivial approach to channel coding

Gazi, Orhan (2019)
PO and PTD approach to the diffraction problem by a resistive half-plane

Başdemir, Hüsnü Deniz (2014-11-22)

Diffracted fields from a resistive half-plane were investigated by the method of physical optics (PO) and the physical theory of diffraction. The coefficient of the PO scattering integral was derived for the first time for ...
Physical optics approach to wave diffraction by a perfect electromagnetic conductor half-plane

Umul, Yusuf Ziya (2021-05)

The scattering of electromagnetic plane waves by a perfect electromagnetic conductor is investigated. The method of physical optics is used for the analysis of the problem. The reflected fields by a whole-plane are taken ...
Performance evaluation of FlexRay/CAN networks interconnected by a gateway

Schmidt, E.G.; Alkan, M.; Schmidt, Klaus; Yürüklü, E.; Karakaya, U. (2010)

The coexistence of both CAN and FlexRay networks in contemporary and future automobiles necessitates the use of FlexRay/CAN gateways that support the timely data exchange among the different networks. In this paper, we ...
On the reality of the Bohmian potential

Umul, Yusuf Ziya (2020-12)

The existence of the Bohmian quantum potential is investigated in terms of the energy relation of a quantum particle. The derivation process of the quantum potential is applied to the Helmholtz equation and it is shown ...
New compact microstrip patch antennas: Design and Simulation Results

Mezaal, Yaqeen S. (2016-03-01)

Objectives: To design new multi-band antennas based on patch resonator with comparative results to each other. Both antennas are compact in size and have high quality responses which can be applied in many handheld and ...
Multi-objective decision making using fuzzy discrete event systems: A mobile robot example

Boutalis, Yiannis; Schmidt, Klaus (2010)

In this paper, we propose an approach for the multi-objective control of sampled data systems that can be modeled as fuzzy discrete event systems (FDES). In our work, the choice of a "fuzzy" system representation is justified ...
Modified Theory of Physical Optics Approach to Diffraction by an Interface between PEMC and Absorbing Half-Planes

Umul, Yusuf Z. (2021-07-30)

The scattering of electromagnetic plane waves by an interface, located between perfect electromagnetic conductor and absorbing half-planes, is investigated. The perfect electromagnetic conductor half-plane is divided into ...

Now showing items 41-60 of 574

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