Yazar "Filik, Tansu" için listeleme
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Presence detection and tdoa estimation of spread spectrum signals using sensor array
Uysal, Can (Anadolu Üniversitesi, 2015)Bu tezde, sensör dizilerini kullanarak düşük sinyal/gürültü oranında (SNR), doğrudan sıralı yayılı spektrum sinyallerinin (DS-YS) varlığının saptanması ve varış zamanları farkının (VZF) kestirimi ele alınmıştır. Hem uzun ... -
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
Uluskan, Seçkin; Gökçe, Mustafa; Filik, Tansu (IEEE, 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 ... -
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
Uysal, Can; Filik, Tansu (IEEE, 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 ... -
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 ... -
A Survey on the Fundamentals of RSS based Localization
Uluskan, Seçkin; Filik, Tansu (IEEE, 2016)In this research, for RSS based localization, geometry based new heuristic solutions are proposed and compared to maximum likelihood estimation (MLE) in terms of performance. It is shown that new heuristic methods which ... -
A survey on the fundamentals of RSS based localization [RSS Tabanli Konumlandirmanin Temelleri üzerine Bir Inceleme]
Uluskan, Seçkin; Filik, Tansu (Institute of Electrical and Electronics Engineers Inc., 2016)In this research, for RSS based localization, geometry based new heuristic solutions are proposed and compared to maximum likelihood estimation (MLE) in terms of performance. It is shown that new heuristic methods which ... -
Very Short Term Wind Speed Forecasting Using Multivariable Dense Data with WLS-MARMA Model
Filik, Tansu; Başaran Filik, Ümmühan (Elsevier Science BV, 2017)In this study, very short-term wind speed forecasting problem, which is quite important for the future's electricity market -wind forecasting control algorithms, is investigated. Recently, the multi-channel (spatial) methods ... -
Volumetric V-shaped array design for 2-D isotropic DOA estimation [2-boyutlu yön bagimsiz DOA kestirimi için hacimsel V-şekilli dizilim tasarimi]
Keskin, F.; Filik, Tansu (Institute of Electrical and Electronics Engineers Inc., 2018)In this study, a new method for designing a volumetric V-shaped sensor array is proposed, which has isotropic elevation and azimuth Direction of Arrival (DOA) angle. The proposed method optimizes the angles between linear ... -
Wind speed forecasting by subspace and nuclear norm optimization based algorithms
Akçay, Hüseyin; Filik, Tansu (Elsevier Ltd, 2019)In this paper, we study properties of two wind speed forecasting schemes from mid-to-short term wind velocity measurements. The measurements are assumed to be collected over time intervals shorter than the ones previously ... -
Wind Speed Forecasting with Missing Values
Akçay, Hüseyin; Filik, Tansu (IEEE, 2017)In this study, a new short term wind speed forecasting approach, which uses long term past observations, is proposed. The performance assessment of the wind speed forecasting framework is carried out using real data from ... -
Wind Speed Prediction Using Artificial Neural Networks Based on Multiple Local Measurements in Eskisehir
Başaran Filik, Ümmühan; Filik, Tansu (Elsevier Science BV, 2017)In this study, artificial neural network (ANN) based models, which differently uses multiple local meteorological measurements together such as wind speed, temperature and pressure values, are proposed and it shown ANN ...