Browsing Electrical & Electronics Engineering by Title
Now showing items 272-291 of 695
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Fusing inertial sensor data in an extended kalman filter for 3D camera tracking
(IEEE, 2015-02)In a setup where camera measurements are used to estimate 3D egomotion in an extended Kalman filter (EKF) framework, it is well-known that inertial sensors (i.e., accelerometers and gyroscopes) are especially useful when ... -
Gamma-gamma türbülans kanallarında tüm-optik rölelemeli FSO sistemleri için röle seçimi
(IEEE, 2014)Bu bildiride, tüm-optiksel çoklu-röle kablosuz optik haberleşme sistemleri için Gamma-Gamma atmosferik türbülans kanalı varsayımı altında servis dışı kalma başarımı incelenmiştir. Röleler arası katı senkronizasyon ihtiyacından ... -
Generalized LED index modulation optical OFDM for MIMO visible light communications systems
(IEEE, 2016)In this paper, we propose a generalized light emitting diode (LED) index modulation scheme for multiple input multiple output-orthogonal frequency division multiplexing (MIMO-OFDM) visible light communications (VLC) systems. ... -
Generalized maximum-likelihood sequence detection for photon-counting free space optical systems
(IEEE, 2010-12)We investigate detection methods for on-off keying (OOK) photon-counting Free Space Optical (FSO) systems in the presence of turbulence-induced fading, assuming no channel state information at the receiver. To recover the ... -
Generalized performance analysis of mixed RF/FSO cooperative systems
(IEEE, 2016-01)Free space optical (FSO) links provide an efficient point-to-point wireless transmission solution. They are particularly useful for filling the connectivity gap between the radio frequency (RF) access network and the fiber ... -
Generalized performance analysis of mixed RF/FSO systems
(IEEE, 2014)We investigate the performance of dual-hop fixed-gain amplify-and-forward relaying systems over Nakagami-m and double generalized Gamma fading channels with pointing error for mixed radio frequency/free space optical ... -
Generating fast logic circuits for m-select n-port round Robin arbitration
(IEEE, 2013)This paper generalizes the problem of Round Robin Arbitration (RRA) from 1-select to m-select (mRRA) and offers new circuit architectures for it. RRAs are found in networking equipment and computer systems with high ... -
Görünür ışık kanalların modellenmesi ve ACO-OFDM için başarım analizi
(IEEE, 2015)Spectrum scarcity of traditional radio communication has led communication engineers to find new alternatives. Indoor visible light communication is one alternative to solve this problem since its spectrum is not regulated ... -
Görünüş temelli̇ örtüşme gözeten 3D nesne taki̇bi̇
(IEEE, 2012)Object tracking is an important element of computer vision algorithms. This problem is difficult due to occlusion, illumination changes and shadows. We propose an appearance based occlusion-aware method for object tracking. ... -
Graph convolutional network-based deep feature learning for cardiovascular disease recognition from heart sound signals
(Wiley, 2022-12)The high mortality rate and prevalence of cardiovascular disease (CVD) make early detection of the disease essential. Due to its simplicity and low cost, the phonocardiogram (PCG) system is widely used in healthcare ... -
Guest editorial: Optical wireless communications
(IEEE, 2015-09)Optical wireless communication (OWC) systems provide many advantages over radio frequency (RF) wireless technologies in some scenarios, including significantly higher data rates and a large amount of available license-free ... -
Handover in VLC networks with coordinated multipoint transmission
(IEEE, 2018-01-31)In this work, we consider a cellular visible light communication (VLC) network where each ceiling luminary serves as an access point (AP). The network is assumed to support coordinated multipoint transmission (CoMP). The ... -
Hardware division by small integer constants
(IEEE, 2017-12)This article studies the design of custom circuits for division by a small positive constant. Such circuits can be useful for specific FPGA and ASIC applications. The first problem studied is the Euclidean division of an ... -
Hardware implementation of field oriented control for three phase machine drives
(IEEE, 2020-10-05)This paper presents a high switching frequency FPGA implementation of Maximum Torque Per Ampere (MTPA) and Flux Weakening which are branch of Field Oriented Control (FOC) method for 3-phase machine drives. A common ... -
HC-FFT: Highly configurable and efficient FFT implementation on FPGA
(TÜBİTAK, 2021)FFT is one of the basic building blocks in many applications such as sensors, radars, communications. For some applications, e.g., real-time spectral monitoring and analysis, FFT needs to be”run-time configurable” so that ... -
Heat transfer impact of synthetic jets for air-cooled array of fins
(ASME, 2015-10-13)Free convection air cooling from a vertically placed heat sink is enhanced by upward concurrent pulsated air flow generated by mesoscale synthetic jets. The cooling enhancement is experimentally studied. An enhancement ... -
High gain, low radar cross-section, and left hand circularly polarized antenna array based on metamaterial inspired elements
(Wiley, 2021-05)In this research work, a wideband metamaterial-inspired circularly polarized antenna array is designed. The designed antenna array has a low radar cross-section (RCS) but high gain. The basic element of the planar array ... -
High quality quantum dots polymeric films as color converters for smart phone display technology
(IOP Publishing, 2019-03)Quantum dots (QDs) have high potential to fulfill the ever-increasing demands for high-quality displays due to their outstanding size-tunable optical properties, high quantum yield and reduced costs. The synthesis of ... -
High shear rate propulsion of acoustic microrobots in complex biological fluids
(American Association for the Advancement of Science, 2022-03-11)Untethered microrobots offer a great promise for localized targeted therapy in hard-to-access spaces in our body. Despite recent advancements, most microrobot propulsion capabilities have been limited to homogenous Newtonian ... -
High-rate distributed space-time-frequency coding for wireless cooperative networks
(IEEE, 2011-02)In this paper, we propose high-rate distributed space-time-frequency codes (DSTFCs) to exploit maximum achievable diversity gains over frequency-selective fading channels. The proposed designs achieve full-rate for any ...
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