Elektronik ve Haberleşme Mühendisliği Bölümü
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Erratum Citation - WoS: 7Citation - Scopus: 7A simple analytical EAM model for some bcc metals(Elsevier, 2010) Dursun, Ibrahim H.; Guvenc, Ziya B.; Kasap, E.; 47800An analytical embedded atom method which can treat bcc transition metal iron has been developed. In this model, a new potential was presented and a modified term has been introduced to fit the negative Cauchy pressure P-C = (C-12 - C-44)/2 for Fe element. The new model was applied to calculate thermodynamic properties of binary alloys of the bcc transition metals: Fe, V and Cr. The calculated dilute-solution enthalpies and formation enthalpies of random alloys are in good agreement with the results of first principles calculations and that of the thermodynamic calculations. (C) 2009 Elsevier B.V. All rights reserved.Editorial Citation - WoS: 1Citation - Scopus: 1A survey of the new proposal about the photon momentum(Elsevier Gmbh, 2017) Umul, Yusuf Ziya; Umul, Yusuf Ziya; 42699; Elektronik ve Haberleşme MühendisliğiBahadoran et al. [1] proposed that the new approach to photon momentum, introduced by Umul [2], was not correct, because they obtained a negative energy expression for the absorbed photon. In this comment, we show that this proposal is wrong, since the related authors made a mistake in their derivations. (C) 2017 Elsevier GmbH. All rights reserved.Editorial Citation - WoS: 6Citation - Scopus: 6Applications of Cognitive Radio Networks: Recent Advances and Future Directions(Sage Publications inc, 2016) Kim, Sung W.; Gazi, Orhan; Pan, Miao; Joshi, Gyanendra Prasad; Gazi, Orhan; He, Jianhua; Coupechoux, Marceau; 102896; Elektronik ve Haberleşme MühendisliğiCorrection Citation - WoS: 0Citation - Scopus: 0Comment On "A Survey of The New Proposal About The Photon Momentum" (vol 148, pg 342, 2017)(Elsevier Gmbh, Urban & Fischer verlag, 2018) Umul, Yusuf Z.; Umul, Yusuf Ziya; 42699; Elektronik ve Haberleşme MühendisliğiEditorial Citation - WoS: 3Citation - Scopus: 2Comment On 'Fringe Waves in An Impedance Half-Plane'(E M W Publishing, 2014) Basdemir, Husnu Deniz; Başdemir, Hüsnü Deniz; 20399; Elektronik ve Haberleşme MühendisliğiEditorial Citation - WoS: 5Citation - Scopus: 5Comments on "on the modified theory of physical optics"(Ieee-inst Electrical Electronics Engineers inc, 2014) Umul, Yusuf Z.; Umul, Yusuf Ziya; 42699; Elektronik ve Haberleşme MühendisliğiCorrection Citation - WoS: 15Citation - Scopus: 20Higher order annular Gaussian laser beam propagation in free space (vol 45, art no 038002, 2006)(Spie-int Society Optical Engineering, 2006) Eyyuboglu, HT; Yenice, YE; Baykal, Y; 7688; 7812Propagation of higher order annular Gaussian (HOAG) laser beams in free space is examined. HOAG beams are defined as the difference of two Hermite-Gaussian (HG) beams; thus, they can be produced by subtracting a smaller beam from a larger beam, that are co-centered and both possess HG mode field distributions. Such beams can be considered as a generalization of the well-known annular Gaussian beams. We formulate the source and receiver plane characteristics and kurtosis parameter of HOAG beams propagating in free space and evaluate them numerically. In comparison to HG beams, HOAG beams have a broader beam size with outer lobes of kidney shape. The amount of received power within the same receiver aperture size, that is, power in bucket, is generally lower for higher order beams. The convergence of the kurtosis parameter to an asymptotic value for higher order beams takes much longer propagation distances compared to zero-order beams. (c) 2006 Society of Photo-Optical Instrumentation Engineers.Editorial Citation - WoS: 1Citation - Scopus: 1Reply to the "a comment on "the photon momentum"(Elsevier Gmbh, Urban & Fischer verlag, 2014) Umul, Yusuf Z.; Umul, Yusuf Ziya; 42699; Elektronik ve Haberleşme MühendisliğiBook Review Citation - WoS: 4Citation - Scopus: 5The Theory of the Boundary Diffraction Wave(Elsevier Academic Press inc, 2011) Umul, Yusuf Ziya; Elektronik ve Haberleşme MühendisliğiCorrection Citation - WoS: 0Citation - Scopus: 0Uniform Theory for the Diffraction of Evanescent Plane Waves: Publisher's Note (Vol 24, Pg 2426, 2007)(Optical Soc Amer, 2007) Umul, Yusuf Z.
