Kurum Yazarı "Filik, Tansu" Scopus İndeksli Yayınlar Koleksiyonu İçin Listeleme
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2-D DOA estimation in case of unknown mutual coupling for multipath signals
Filik, Tansu; Tuncer, T. Engin (Springer, 2016)In this paper, two dimensional (2-D) direction-of-arrival (DOA) estimation problem in case of unknown mutual coupling and multipath signals is investigated for antenna arrays. A new technique is proposed which uses a special ... -
Circular Uncertainty method for range-only localization with imprecise sensor positions
Uluskan, Seçkin; Filik, Tansu; Gerek, Ömer Nezih (Springer, 2018)This study provides an effective new method to solve the range-only localization in the presence of sensor position errors. In practice, the sensors can stay only within a limited region whereas the target can be far from ... -
Contactless Respiration Rate Estimation Using MUSIC Algorithm
Uysal, Can; Filik, Tansu (IEEE, 2017)In some diseases (sleep apnea, sudden infant death syndrome etc.), continuous monitoring of respiration rate of patient at home during sleep is critically important. Nowadays wireless communications signals are widely used ... -
Contactless respiration rate estimation with phase difference [Faz farki ile temassiz solunum hizi kestirimi]
Uysal, Can; Filik, Tansu (Institute of Electrical and Electronics Engineers Inc., 2018)In this paper, a new method that uses radio frequency (RF) communications signal is proposed for the contactless respiration rate estimation and monitoring. In the proposed method, the phase difference between the channels ... -
Detection of low probability of intercept signals in low SNR using multichannel sensor arrays [Tespit olasiligi düşük sinyallerin düşük SNR altinda çok-kanalli sensör dizileri ile tespiti]
Uysal, Can; Filik, Tansu (IEEE Computer Society, 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 ... -
A geometrical closed form solution for RSS based far-field localization: Direction of Exponent Uncertainty
Uluskan, Seçkin; Filik, Tansu (Springer, 2019)In this study, a new powerful geometrical closed-form solution called Direction of Exponent Uncertainty (DEU) is proposed for received signal strength (RSS) based far-field localization when path loss exponent (PLE) and ... -
GPS-based antenna tracking and signal beamforming system for small UAV platform [Küçük IRA Platformu Için GPS-tabanll Anten Izleme ve Sinyal Hüzme Sistemi]
Bahat, M. Furkan; Filik, Tansu (Institute of Electrical and Electronics Engineers Inc., 2015)In this study GPS-based antenna tracking and signal beamforming system is considered to improve the data transmission quality, capacity and distance (range) of a small drone with ground station. The design phases and the ... -
A Hysteresis Model for Fixed and Sun Tracking Solar PV Power Generation Systems
Başaran Filik, Ümmühan; Filik, Tansu; Gerek, Ömer Nezih (MDPI, 2018)In this study, a new solar photovoltaic (PV) panel output power model is proposed. The model is constructed as a function of ambient temperature and solar radiations for two types (fixed panel and sun tracking panel) of ... -
Improved Spatio-Temporal Linear Models for Very Short-Term Wind Speed Forecasting
Filik, Tansu (MDPI, 2016)In this paper, the spatio-temporal (multi-channel) linear models, which use temporal and the neighbouring wind speed measurements around the target location, for the best short-term wind speed forecasting are investigated. ... -
A Joint Detection and Localization Method for Non-Cooperative DS-SS Signals
Uysal, Can; Filik, Tansu (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 ... -
The localization of LPI signals using sparse TDOA estimates [Seyrek TDOA Kestirimleri Kullanilarak Tespit Olasiligi Düsük Sinyallerin Konum Kestirimi]
Uysal, Can; Filik, Tansu (Institute of Electrical and Electronics Engineers Inc., 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 ... -
MUSIC Algorithm for Respiratory Rate Estimation Using RF Signals
Uysal, Can; Filik, Tansu (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 ... -
Presence Detection of Long-and-Short-Code DS-SS Signals Using the Phase Linearity of Multichannel Sensors
Uysal, Can; Filik, Tansu (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 ... -
RSS Based Direction Finding via Array of Directional Antennas with Normal Density Distribution in Magnitude
Uluskan, Seçkin; Filik, Tansu (IEEE, 2017)In this study, the theoretical framework of received signal strength (RSS) based direction finding with array of directional antennas with normal density distribution in magnitude are established. Directional antenna systems ... -
RSS based localization of an emitter using a single mini UAV [Mini İHA Kullanarak Bir Yayicinin RSS Tabanli Konumlandirilmasi]
Uluskan, Seçkin; Gökçe, M.; Filik, Tansu (Institute of Electrical and Electronics Engineers Inc., 2017)In this study, it is aimed to find the position of a signal emitter by the means of a mini unmanned aerial vehicle (mUAV) with a sensor node that can record the received signal strength (RSS) and the global positioning ... -
Short-Term Wind Speed Forecasting by Spectral Analysis
Akçay, Hüseyin; Filik, Tansu (IEEE, 2018)In this paper, we apply a wind speed forecasting framework developed earlier by the authors to the two-dimensional wind velocity measurements collected from a meteorological station in the Marmara region of Turkey over a ... -
Short-term wind speed forecasting by spectral analysis from long-term observations with missing values
Akçay, Hüseyin; Filik, Tansu (Elsevier Sci LTD, 2017)In this paper, we propose a novel wind speed forecasting framework. The performance of the proposed framework is assessed on the wind speed measurements collected from the five meteorological stations in the Marmara region ... -
Sizing procedures for sun-tracking PV system with batteries
Gerek, Ömer Nezih; Başaran Filik, Ümmühan; Filik, Tansu (E D P Sciences, 2017)Deciding optimum number of PV panels, wind turbines and batteries (i.e. a complete renewable energy system) for minimum cost and complete energy balance is a challenging and interesting problem. In the literature, some ... -
Solar radiation - to - power generation models for one-axis tracking PV system with on-site measurements from Eskisehir, Turkey
Filik, Tansu; Başaran Filik, Ümmühan; Gerek, Ömer Nezih (E D P Sciences, 2017)In this study, new analytic models are proposed for mapping onsite global solar radiation values to electrical power output values in solar photovoltaic (PV) panels. The model extraction is achieved by simultaneously ... -
A sparse approach for the presence detection of long-code DS-SS signals [Uzun-kod DS-SS Sinyallerin Tespiti için Seyrek Bir Yaklaşim]
Uysal, Can; Filik, Tansu (Institute of Electrical and Electronics Engineers Inc., 2015)In this paper, the presence detection of long-code direct sequence spread spectrum signals (DS-SS) in low signal to noise ratio (SNR) using the sensor array are considered. A sparse method, which is fast and computationally ...