Browsing MF - Bildiri Koleksiyonu | Elektrik-Elektronik Mühendisliği Bölümü / Department of Electrical-Electronics Engineering by Title
Now showing items 1-20 of 222
-
0.8-1.9 GHz mikrodalga kuvvetlendirici tasarımı
(IEEE, 2016-12-03)Günümüzde haberleşmede kullanılan iletişim araçlarının tasarımı büyük bir gelişim ve değişim göstermektedir. İletişim araçları birçok sistemden oluşmaktadır. Bu çalışmada iletişimin sağlanmasında büyük öneme sahip olan ... -
2W wideband microwave PA design for 824-2170 MHz band using normalized gain function method
(IEEE, 2013)In this work, we present the design of a 2W linear wideband microwave PA (power amplifier) targeted to operate in 824-2170 MHz mobile frequency range covering GSM850, EGSM, DCS, PCS and WCDMA. The design is basically based ... -
3-B nesne bilgilerinin vektor nicemleme yöntemleri ile sıkıştırılması
(IEEE, 2004-10-25)Bu çalışmanın amacı, bağlanırlık kodlaması için gerçeklenmiş [I]'deki algoritmayı bazı yenilikler ile uygulamak ve koordinat sıkıştırması için 3-B (3 Boyutlu) nesne gösterimleri alanında kullanımı kısıtlı olan kayıplı bir ... -
3-D spatio-temporal Gabor-type filter implementations with Time-Derivative Cellular Neural Networks
(IEEE, 2013)In this paper, a 3-D spatio-temporal Gabor-type filter is implemented using Time-Derivative Cellular Neural Network (TDCNN) structure. To this end, the transfer function of the spatio-temporal filter previously constructed ... -
Achievable rates for the three user cooperative multiple access channel
(IEEE, 2008)For a three user Gaussian multiple access channel (MAC), we propose a new superposition block Markov encoding based cooperation scheme. Our scheme allows the three users to simultaneously cooperate both in pairs, and ... -
Achievable rates for two user cooperative OFDMA
(IEEE, 2010)We propose two encoding strategies for a two user cooperative Orthogonal Frequency Division Multiple Access (OFDMA) system, based on block Markov superposition encoding. We obtain the expressions for the resulting achievable ... -
An algorithm and its architecture for half-pixel variable block size motion estimation
(IEEE, 2007)This paper presents an accurate half-pixel variable block size motion estimation algorithm and its hardware architecture. The proposed algorithm does not require interpolation of the reference frame pixels and has near ... -
Algoritmik kaynaşım yöntemiyle plaka tanıma sistemlerinin performansının artırılması
(2011)Bu bildiride, bilgisayarlı görü ve örüntü tanıma alanlarında çok önemli bir yeri olan plaka tanıma sistemlerinin performansını artırmak amacıyla algoritmik kaynaşım yöntemini önermekteyiz. Plaka tanıma sistemleri genellikle ... -
An Analog beamformer for integrated high-frequency medical ultrasound imaging
(IEEE, 2011)We designed and fabricated a dynamic receive beamforming integrated circuit (IC) in 0.35-mu m CMOS technology. This beamformer is suitable for integration with an ultrasound annular array for high-frequency (30-50 MHz) ... -
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 ... -
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 ... -
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 ... -
An analysis of the mortgage account as a discrete-time LTI system
(IEEE, 2014)This paper presents a comprehensive mathematical analysis of the mortgage account with the aim of intentionally setting up a non-physical example for the teaching of discrete-time LTI systems in the courses signals and ... -
An annular CMUT array beamforming system for high-frequency side looking IVUS imaging
(2010)A CMUT annular array system for Side-Looking Intravascular Ultrasound (SL-IVUS) with fixed transmit and dynamic receive focusing capabilities has been developed. The system was experimentally characterized and validated ... -
Annular CMUT arrays for side looking intravascular ultrasound imaging
(IEEE, 2007)Although side looking intravascular ultrasound (SL-IVUS) imaging systems using single element piezoelectric transducers set the resolution standard in the assessment of the extent of coronary artery disease, improvements ... -
Battle damage assessment based on self-similarity and contextual modeling of buildings in dense urban areas
(IEEE, 2016)Assessment of battle damages is significant both for tactical planning and for after-war relief efforts. In this study damaged buildings are detected using self-similarity descriptor in pre- and post-war satellite images. ... -
Beamforming and hardware design for a multichannel front-end integrated circuit for real-time 3D catheter-based ultrasonic imaging
(SPIE-Int Soc Optical Engineering, 2006)We are working on integrating front-end electronics with the ultrasound transducer array for real-time 3D ultrasound imaging systems. We achieve this integration by flip-chip bonding a two-dimensional transducer array to ... -
Bir otomatik hedef tanıma algoritmasının geliştirilmesi
(IEEE, 2013-04-24)Bu bildiri kapsamında bir Otomatik Hedef Tanıma (OHT) sistemi ele alınarak geliştirilmiş ve geliştirilen sistemin Matlab benzetimleri bildiride sunulmuştur. İkinci olarak OHT sistemlerinde kullanılan ve literatürde sıkça ... -
A bit-serial sum of absolute difference accelerator for variable block size motion estimation of H.264
(IEEE, 2009)Bit-serial architectures offer a number of attractive features over their bit-parallel counterparts such as smaller area cost, lower density interconnection, a reduced number of pins, higher clock frequency, simpler routing ... -
Blind channel estimation for space-time coding systems with Baum-Welch algorithm
(IEEE, 2002)In recent years, space-time coding is proposed to provide significant capacity gains over the traditional communication systems in fading wireless channels. In this paper, we consider the problem of blind estimation of the ...
