Başlık için Elektrik-Elektronik Mühendisliği Bölümü / Department of Electrical-Electronics Engineering listeleme
Toplam kayıt 406, listelenen: 202-221
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Influence of the velocity on the energy patterns of moving scatterers
(Taylor & Francis, 2004)Parallel to the developments in the communication through space vehicles achieved during the last two decades, the scattering problems connected with moving objects became more and more important from both theoretical and ... -
An integrated circuit with transmit beamforming and parallel receive channels for 3D ultrasound imaging: testing and characterization
(IEEE, 2007)The cost and complexity of medical ultrasound imaging systems can be reduced by integrating the transducer array with an integrated circuit (IC). By incorporating some of the system's front-end electronics into an IC, bulky ... -
An integrated circuit with transmit beamforming and parallel receive channels for real-time three-dimensional ultrasound imaging
(IEEE, 2006)We present the design of an integrated circuit (IC) that will be flip-chip bonded to a 16 x 16-element CMUT array. The IC provides 16 receive channels which can be configured to receive along either of the array diagonals ... -
An integrated circuit with transmit beamforming flip-chip bonded to a 2-D CMUT array for 3-D ultrasound imaging
(IEEE-INST Electrical Electronics Engineers Inc, 2009-10)State-of-the-art 3-D medical ultrasound imaging requires transmitting and receiving ultrasound using a 2-D array of ultrasound transducers with hundreds or thousands of elements. A tight combination of the transducer array ... -
Integrated ultrasonic imaging systems based on CMUT arrays: Recent progress
(IEEE, 2004)This paper describes the development of an ultrasonic imaging system based on a two-dimensional capacitive micromachined ultrasonic transducer (CMUT) array. The transducer array and front-end electronics are designed to ... -
Integration of 2D CMUT arrays with front-end electronics for volumetric ultrasound imaging
(IEEE-INST Electrical Electronics Engineers Inc, 2008-02)For three-dimensional (3D) ultrasound imaging, connecting elements of a two-dimensional (2D) transducer array to the imaging system's front-end electronics is a challenge because of the large number of array elements and ... -
Iterative channel estimation approach for space-time/frequency coded OFDM systems with transmitter diversity
(Assoc Elettrotecnica Ed Elettronica Italiana, 2004-06)Focusing on transmit diversity orthogonal frequency division multiplexing (OFDM) transmission through frequency selective channels, this paper pursues novel iterative channel estimation approaches for both space-frequency ... -
İmge kodlaması için dalgacık paketlerinde küresel gösterim
(IEEE, 2008-09-26)Bu bildiride, dalgacık dönüşümü için geliştirdiğimiz küresel kodlama algoritmasının dalgacık paketlerine uyarlanması sunulmuştur. Bu kodlayıcıda yerel katsayı enerjisi, dalgacık altbantlarında varolan uzamsal bilgiyi ... -
İşbirlikçi bilişsel radyo sistemleri için kodlama ve kod çözme teknikleri, erişilebilir veri hızları ve kaynak tahsisi
(Tübitak, 2013-10-01)İşbirlikli iletişim ve bilişsel radyo, yeni nesil kablosuz haberleşme ağlarında kapasite ve iletişim kalitesinin artırımı için kilit tekniklerdir. Bu tekniklerin her ikisi de, çevrelerinin farkında olan ve bu farkındalığı ... -
Joint channel tracking and symbol detection for OFDM systems with Kalman filtering
(Urban & Fischer Verlag, 2003)This paper proposes a new joint channel tracking and symbol detection scheme for pilot symbol-assisted OFDM systems in multipath fading. The proposed scheme uses Kalman filters for both channel tracking and subsequent ... -
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 ... -
Joint modulation classification and antenna number detection for MIMO systems
(IEEE, 2016-01-07)Noncooperative classification of the modulation type of communication signals finds application in both civilian and military contexts. Existing modulation classification methods for multiple-input multiple-output (MIMO) ... -
Joint space time block code and modulation classification for MIMO systems
(Institute of Electrical and Electronics Engineers Inc, 2017-02)Non-cooperative identification of unknown communication signals is a popular research area with widespread civilian and military applications. Multiple input multiple output (MIMO) systems employing multi-antenna transmission ... -
Jointly optimal chunk and power allocation in uplink SC-FDMA
(IEEE, 2013)For a single carrier frequency division multiple access (SC-FDMA) system, we obtain the jointly optimal power and chunk allocation policies which maximize the sum rate. Our solution is applicable to both localized and ... -
Kablosuz iletişim ağlarında kullanıcı yardımlaşmasına dayalı protokollerin dizaynı, optimum kaynak tahsisi ve iletim stratejileri
(Tübitak, 2009-03-01)Bu projede, çoklu erişim kanallarında kanala uyarlamalı özgün kullanıcı işbirliği stratejileri geliştirilmiştir. Literatürde yalnızca iki kullanıcı için ele alınan karşılıklı ve eşzamanlı işbirliği teknikleri, üç kullanıcılı ... -
Karma CPU + FPGA yapısı üzerinde tasarlanmış bilgisayar destekli sperm analizi sistemi
(IEEE, 2015-06-19)Bu bildiride karma CPU + FPGA tabanlı bir donanım mimarisi üzerinde tasarlanan Bilgisayar Destekli Semen Analizi (BDSA) sistemi genel özellikleri ile anlatılmıştır. Spermatozoa motilite analizi hareketli çoklu nesne izleme ... -
Kernel kod-tablosu kodlaması ile sahne etiketleme
(IEEE, 2017-06-27)Sahne bölütleme ve etiketlemede son yıllarda süperpiksel tabanlı yaklaşımların başarılı olduğu görülmektedir. Öncelikle görüntü bir süperpiksel algoritması ile görsel olarak tutarlı küçük parçalara bölütlenmekte; daha sonra ... -
Kernel likelihood estimation for superpixel image parsing
(Springer Verlag, 2016)In superpixel-based image parsing, the image is first segmented into visually consistent small regions, i.e. superpixels; then superpixels are parsed into different categories. SuperParsing algorithm provides an elegant ... -
Kinematic analysis of robotic bevel-gear trains: An application of network model approach
(Springer Netherlands, 1998-04)The network model approach for rigid and multi-rigid body systems developed recently [1,2] can also be used conveniently in formulating system equations or equations of motion of three-dimensional mechanical systems of ... -
Kodlayıcı destekli video çerçeve hız artırımı
(IEEE, 2011)Videoda çerçeve hız artırımı (ÇHA), devinim denkleştirme yöntemlerinin kullanılmasıyla hareketlerin daha keskin ve sürekli gösterimini sağlayarak görsel kaliteyi artırmaktadır. Fakat, devinim kestiriminde karşılaşılan ...