Başlık için Elektrik-Elektronik Mühendisliği Bölümü / Department of Electrical-Electronics Engineering listeleme
Toplam kayıt 406, listelenen: 231-250
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A low-complexity KL expansion-based channel estimator for OFDM systems
(Springer International Publishing, 2005-04-05)This paper first proposes a computationally efficient, pilot-aided linear minimum mean square error (MMSE) batch channel estimation algorithm for OFDM systems in unknown wireless fading channels. The proposed approach ... -
Low-loss active inductor with independently adjustable self-resonance frequency and quality factor parameters
(Elsevier Science BV, 2017-06)This work presents a new low-loss active inductor whose self-resonance frequency and quality factor parameters can be adjusted independently from each other. In order to achieve this property, a new input topology has been ... -
A lumped circuit model for the radiation impedance of a 2D CMUT array element
(IEEE, 2005)Elements of a 2D array used for 3D acoustic imaging have dimensions smaller than half of the acoustic wavelength due to the Nyquist criteria for spatial sampling. Therefore, analyses involving circuit models for the array ... -
Maximum a posteriori multipath fading channel estimation for OFDM systems
(Assoc Elettrotecnica Ed Elettronica Italiana, 2002-10)In this paper, a non-data-aided maximum a posteriori (MAP) channel estimation technique for OFDM systems employing M-PSK modulation scheme is proposed. The technique requires a convenient representation of the discrete ... -
Maximum likelihood blind channel estimation for space-time coding systems
(Hindawi Publishing Corporation, 2002-05)Sophisticated signal processing techniques have to be developed for capacity enhancement of future wireless communication systems, In recent years, space-time coding is proposed to provide significant capacity gains over ... -
Metamutator applications: a quadrature MOS only oscillator and transconductance/transimpedance amplifiers
(Springer New York LLC, 2016-06-18)NMOS based circuit realizations of a sinusoidal quadrature oscillator, a transconductance, a transimpedance amplifier are presented. All the circuits are constructed with a voltage-mode “Metamutator” consisting of an analog ... -
A method for low-pass filter designing by commensurate transmission lines
(IEEE, 2016)It is well known that the complex Richards-Plane is a transformed domain of Laplace-Plane which is obtained under a tangent hyperbolic mapping. Network functions generated in terms of Richards's frequency are periodic in ... -
Method of moments (MoM) modeling of wave propagation inside a wedge waveguide
(Applied Computational Electromagnetics Soc, 2014-08)Method of Moments (MoM) is used to model guided wave propagation inside a non-penetrable wedge waveguide and the results are validated against analytical mode-based exact solutions. -
Micromachined capacitive transducer arrays for intravascular ultrasound
(SPIE, 2005)Intravascular ultrasound (IVUS) imaging has become an essential imaging modality for the effective diagnosis and treatment of cardiovascular diseases during the past decade enabled by innovative applications of piezoelectric ... -
Microwave amplifier design for mobile communication via immittance data modelling
(IEEE, 2003)In this paper, a practical broadband microwave amplifier design algorithm based on immittance data modelling is presented. In the course of design, first, the optimum input and output terminations for the active device are ... -
Microwave engineering expertise in Turkey
(Institute of Electrical and Electronics Engineers Inc., 2018-05)Reports on the status of microwave education and technological development in Turkey. -
MIMO sinyalleri için uzay-zaman blok kodu klasifikasyonu
(IEEE, 2014-04-26)Bilinmeyen haberleşme sinyallerinin gözü kapalı ve işbirliksiz tanınması için geliştirilen teknikler, hem askeri hem de sivil uygulamalarda kullanım bulmuştur. Çok Girdili Çok Çıktılı (MIMO) haberleşme sistemleri, sinyal ... -
A miniature real-time volumetric ultrasound imaging system
(SPIE-Int Soc Optical Engineering, 2005)Progress made in the development of a miniature real-time volumetric ultrasound imaging system is presented. This system is targeted for use in a 5-mm endoscopic channel and will provide real-time, 30-mm deep, volumetric ... -
Minimally redundant 2-D array designs for 3-D medical ultrasound imaging
(IEEE-Inst Electrical Electronics Engineers Inc, 2009-07)In real-time ultrasonic 3-D imaging, in addition to difficulties in fabricating and interconnecting 2-D transducer arrays with hundreds of elements, there are also challenges in acquiring and processing data from a large ... -
Mixed element wideband microwave amplifier design via simplified real frequency technique
(IEEE Computer Society, 2014)In this study, we illustrate the design and implementation of a wideband microwave small-signal amplifier composed of mixed elements. The design is based on Simplified Real Frequency Technique (SRFT). A design of low power ... -
Model adaptation for dialog act tagging
(IEEE, 2006)In this paper, we analyze the effect of model adaptation for dialog act tagging. The goal of adaptation is to improve the performance of the tagger using out-of-domain data or models. Dialog act tagging aims to provide a ... -
Modeling of electrocardiogram signals using predefined signature and envelope vector sets
(Hindawi Publishing Corporation, 2007)A novel method is proposed to model ECG signals by means of "predefined signature and envelope vector sets (PSEVS)." On a frame basis, an ECG signal is reconstructed by multiplying three model parameters, namely, predefined ... -
Monolithic CMUT-on-CMOS integration for intravascular ultrasound applications
(IEEE-INST Electrical Electronics Engineers Inc, 2011-12)One of the most important promises of capacitive micromachined ultrasonic transducer (CMUT) technology is integration with electronics. This approach is required to minimize the parasitic capacitances in the receive mode, ... -
MOS only oscillator using adder and subtractor circuits
(IEEE, 2015)In this paper an NMOS based sinusoidal oscillator is presented. The circuit is constructed with voltage-mode (VM) NMOS-based analog adder and subtractor circuits which respectively perform V-1+V-2 and V-1-V-2 operations ...
