Güncel Gönderiler: Fakülteler
Toplam kayıt 10075, listelenen: 2221-2240
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Timed Arc Petri Nets: The Time-Element Approach
(IEEE, 2017)In this work, a novel model is proposed for Deterministic Timed Arc Petri Nets. In the proposed Timed Arc Petri Net, transition firing processes are associated with time, where time is interpreted as firing delays, hence ... -
BUG Algorithm Analysis using Petri net
(IEEE, 2013)In this study, BUG 1 navigation algorithm which is a simple motion planner, is modelled by the Petri net (PN) for a mobile robot (MR). We prefer this PN model to obtain the discrete data for this algorithm. PN is used as ... -
Overview of wind energy in the world and assessment of current wind energy policies in Turkey
(Pergamon-Elsevier Science LTD, 2015)This article aims to show that wind energy resource isn't efficiently used in Turkey and how the using of wind energy potential is improved is discussed. Some general information for about political structure and the lack ... -
Identification of continuous-time power spectra by generalized Fourier series
(Chinese Automatic Control Soc, 2007)In this paper, we present a generalized Fourier series based algorithm for the identification of continuous-time, linear-time invariant systems from power spectrum measurements. The algorithm is strongly consistent and it ... -
An analysis of transformer excitation current under nonsinusoidal supply voltage
(IEEE-Inst Electrical Electronics Engineers Inc, 2002)In this paper, the effect of nonsinusoidal supply voltage on the core loss and the transformer excitation current is investigated. The time-domain waveform of the transformer excitation current is calculated for a worst-case ... -
Line Estimation for a Line-Following Mobile Robot
(IEEE, 2015)In this study, the coordinate of the line position for a differential drive line-following mobile robot is estimated by using the Minimum Variance Unbiased Estimator. Using the sensor data as an observation data and ... -
On extremal binary doubly-even self-dual codes of length 88
(IEEE, 2008)In this note 35 new extremal binary self-dual doubly-even codes of length 88 axe presented. Their inequivalence is established by invariants. Moreover, a construction of a binary self-dual [88,44,16] code, having an ... -
Automatic recognition of scenes with power line wires in real life aerial images using DCT-based features
(Academic Press Inc Elsevier Science, 2018)This paper presents results of power line scene detection methods that use new feature extraction/selection strategies based on Discrete Cosine Transform (DCT) of scenes obtained from aircraft-based cameras. Whenever a ... -
A Self Organizing Map Based Approach for Congestion Avoidance in Autonomous Ip Networks
(Acad Sciences Czech Republic, Inst Computer Science, 2015)This work presents a Self Organizing Map (SOM) based queue management approach against congestion in autonomous Internet Protocol (IP) networks. The new queue management approach is proposed with consideration to the pros ... -
A Spectral Graph Based Image Coding Method
(IEEE, 2017)In this paper, a spectral graph based image coding method is proposed. In the proposed method, only the smoothing parameter in the graph adjacency matrix, graph Fourier transform (GFT) coefficients kept after hard thresholding ... -
A Comparison of Line Detection Methods for Power Line Avoidance in Aircrafts
(IEEE, 2015)Power lines constitute a great thread for aircraft flight safety. Digital camera based methods consider these power lines as digital lines and edges which are desired to be detected using line and edge detectors. EDLines, ... -
A Comparison of Corner and Saliency Detection Methods for Power Line Detection
(IEEE, 2017)Issuing an alarm for power lines continues to be an important issue for low altitude aircraft safety. In this study, edge and gradient based methods are applied and compared according to their detection performances (in ... -
Feature extraction, selection and classification code for power line scene recognition
(Elsevier Science BV, 2018)Detection and avoiding of power lines and cables is a critical issue in aircraft flight safety. Despite various improvements in image analysis literature, most of the safety issues depend on visual capabilities of pilots. ... -
PLD : Power Line Detection System for Aircrafts
(IEEE, 2017)Power Line Detection (PLD) is still an important issue for aircraft safety. In this study, two simple PLD algorithms are developed that utilize two alternative line detection algorithms (EDLines and LSD) and feed their ... -
MUSIC Algorithm for Respiratory Rate Estimation Using RF Signals
(İstanbul University, Fac Engineering, 2018)Continuous monitoring of respiratory rate (cycle) during sleep for diseases such as sleep apnea and sudden infant death syndrome (SIDS) can be lifesaving. Wireless radio communications signals are everywhere and can be ... -
The Localization of LPI Signals Using Sparse TDOA Estimates
(IEEE, 2016)In this paper, the localization problem of the low probability of intercept (LPI) signals using time difference of arrival (TDOA) estimates between the sensors is considered. A fast and sparse method is proposed for the ... -
A Joint Detection and Localization Method for Non-Cooperative DS-SS Signals
(IEEE, 2015)In this paper, a fast and computationally efficient joint presence detection and localization method is proposed for the non-cooperative direct sequence spread spectrum (DS-SS) signals. The method uses spatially distributed ... -
Detection of Low Probability of Intercept Signals in Low SNR Using Multichannel Sensor Arrays
(IEEE, 2014)In this paper, a method is proposed for the detection of low probability of intercept, LPI signals in high noise without prior knowledge and assumption using spatially distributed multichannel wideband sensor array. The ... -
Presence Detection of Long-and-Short-Code DS-SS Signals Using the Phase Linearity of Multichannel Sensors
(IEEE, 2014)In this study, the detection of direct sequence spread spectrum (DS-SS) signals in white Gaussian noise without prior knowledge is investigated for spatially distributed multichannel wideband sensor array. A novel technique ...
