Bölüm "Işık University, Faculty of Engineering, Department of Electrical-Electronics Engineering" için listeleme
Toplam kayıt 408, listelenen: 1-20
-
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 Mesh geometry compression with set partitioning in the spectral domain
(IEEE-INST Electrical Electronics Engineers Inc, 2010-02)This paper explains the development of a highly efficient progressive 3-D mesh geometry coder based on the region adaptive transform in the spectral mesh compression method. A hierarchical set partitioning technique, ... -
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 ... -
An accurate CMOS interface small capacitance variation sensing circuit for capacitive sensor applications
(Springer Birkhauser, 2017-12)In this paper, an accurate front-end CMOS interface circuit for sensing very small capacitance changes in capacitive sensors is presented. The proposed structure scales capacitance variation to the sensible impedance ... -
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 ... -
Achieving the capacity region boundary of fading CDMA channels via generalized iterative waterfilling
(IEEE, 2006-11)We characterize the optimum power control policies that achieve arbitrary rate tuples on the boundary of the, capacity region of a power controlled, code division multiple access (CDMA) system in a fading channel with ... -
Adaptive identification and equalization of magnetic recording channels
(Wiley-Blackwell, 1998-03)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 ... -
Adaptive Kalman receiver for OFDM systems with transmit diversity in mobile wireless channels
(Walter De Gruyter GMBH, 2004-12)A new joint channel tracking and symbol detection scheme is proposed in this paper for pilot symbol assisted transmit diversity OFDM systems by exploiting the correlation of the adjacent subchannels. Modelling the channel ... -
Adaptive Volterra channel equalisation with lattice orthogonalisation
(Institution of Engineering and Technology, 1998-04)The authors present a new recursive least-squares adaptive nonlinear equaliser based on Volterra series expansion. The main approach is to transform the nonlinear equalisation problem into an equivalent multichannel, but ... -
Age of Information in Practice
(Cambridge University Press, 2023)While age of Information (AoI) has gained importance as a metric characterizing the freshness of information in information-update systems and time-critical applications, most previous studies on AoI have been theoretical. ... -
Air interface identification for Software Radio systems
(Elsevier GMBH, 2007)Reconfigurable Software Radio (SR) equipment is considered as the next evolutionary step in the mobile communications. One of the most crucial properties of a SR terminal is that it is capable of using a wide range of air ... -
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) ... -
An analog integrated circuit beamformer for high-frequency medical ultrasound imaging
(IEEE-INST Electrical Electronics Engineers Inc, 2012-10)We designed and fabricated a dynamic receive beamformer integrated circuit (IC) in 0.35-mu m CMOS technology. This beamformer IC is suitable for integration with an annular array transducer for high-frequency (30-50 MHz) ... -
Analysis and design of low-cost bit-serial architectures for motion estimation in H.264/AVC
(Springer, 2013-05)Variable block-size motion estimation (VBSME) process occupies a major part of computation of an H.264 encoder, which is usually accelerated by bit-parallel hardware architectures with large I/O bit width to meet real-time ... -
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 ...