Elektrik - Elektronik Mühendisliği Bölümü Makale Koleksiyonu: Recent submissions
Now showing items 41-60 of 67
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Tomographic Reconstruction Of The Ionospheric Electron Density As A Function Of Space And Time
(Elsevier Sci Ltd, 2009)Electron density distribution is the major determining parameter of the ionosphere. Computerized Ionospheric Tomography (CIT) is a method to reconstruct ionospheric electron density image by computing Total Electron Content ... -
Scale Factor Mitigating Non-Compliance of Double-Frequency Altimeter Measurements of the Ionospheric Electron Content Over the Oceans With Gps-Tec Maps
(Springeropen, 2009)This paper presents results from a study of GPS total electron content (TEC) grid maps and ionospheric electron content (IEC) over the oceans delivered by the TOPEX/Jason satellites during half a solar cycle (July 2001 to ... -
Relay Sliding Mode Control Based on the Input-Output Model
(Tubitak Scientific & Technical Research Council Turkey, 2016)Uncertainties, parameter changes, and disturbances lie among the most frequently encountered problems in practical control applications. Sliding mode control (SMC) is one of the robust control methods developed to provide ... -
Regularized Estimation of Tec from Gps Data for Certain Midlatitude Stations and Comparison with the Iri Model
(Elsevier Sci Ltd, 2007)Regularized estimation of Total Electron Content (Reg-Est) is a novel technique which can combine signals from all the satellites for a given instant and given station and estimate the vertical TEC (VTEC) values for any ... -
Angular Analysis Of The Decay B+ -> K+Mu(+)Mu(-) In Proton-Proton Collisions At Root S=8 Tev
(Amer Physical Soc, 2018)The angular distribution of the flavor-changing neutral current decay B+ -> K+mu(+)mu(-) is studied in proton-proton collisions at a center-of-mass energy of 8 TeV. The analysis is based on data collected with the CMS ... -
Optimal Stochastic Signaling Under Average Power And Bit Rate Constraints
(Ieee-Inst Electrical Electronics Engineers Inc, 2018)The optimal stochastic signaling based on the joint design of prior distribution and signal constellation is investigated under an average bit rate and power constraints. First, an optimization problem is formulated to ... -
Joint Detection and Decoding in the Presence of Prior Information with Uncertainty
(Ieee-Inst Electrical Electronics Engineers Inc, 2016)An optimal decision framework is proposed for joint detection and decoding when the prior information is available with some uncertainty. The proposed framework provides trade-offs between the average inclusive error ... -
Investigation of Total Electron Content Variability Due to Seismic and Geomagnetic Disturbances in the Lonosphere
(Amer Geophysical Union, 2010)Variations in solar, geomagnetic, and seismic activity can cause deviations in the ionospheric plasma that can be detected as disturbances in both natural and man-made signals. Total electron content (TEC) is an efficient ... -
Mode Separation And Direction Of Arrival Estimation In Hf Links
(Amer Geophysical Union, 2003)[1] Estimation of arrival angles and incoming signals is a challenging problem for HF channels where the signals are correlated and the separation between the signals can be as low as a couple of degrees. In this paper, a ... -
Estimation Of Single Station Interfrequency Receiver Bias Using Gps-Tec
(Amer Geophysical Union, 2008)Dual-frequency Global Positioning System (GPS) receivers present a plausible and cost-effective way of computing Total Electron Content (TEC). For accurate estimates of TEC, frequency-dependent satellite and receiver ... -
Convexity Properties Of Detection Probability For Noncoherent Detection Of A Modulated Sinusoidal Carrier
(Ieee-Inst Electrical Electronics Engineers Inc, 2018)In this correspondence paper, the problem of noncoherent detection of a sinusoidal carrier is considered in the presence of Gaussian noise. The convexity properties of the detection probability are characterized with respect ... -
Application of Chaos Embedded Pso For Pid Parameter Tuning
(Ccc Publ-Agora Univ, 2012)Proportional-Integral-Derivative (PID) control is the most common method applied in the industry due to its simplicity. On the other hand, due to its difficulties, parameter tuning of the PID controllers are usually performed ... -
On-Line Application Of Shem By Particle Swarm Optimization To Grid-Connected, Three-Phase, Two-Level Vscs With Variable Dc Link Voltage
(Mdpi, 2018)This paper is devoted to an otablen-line application of the selective harmonic elimination method (SHEM) to three-phase, two-level, grid-connected voltage source converters (VSCs) by particle swarm optimization (PSO). In ... -
Total Electron Content Estimation With Reg-Est
(Amer Geophysical Union, 2007)Total Electron Content ( TEC) constitutes one of the key elements for observing the variable structure of the ionosphere. GPS provides a cost- effective alternative in TEC estimation through earth- based receivers. In this ... -
Angular Analysis Of The Decay B-0 -> K*(0)Mu(+)Mu(-) From Pp Collisions At Root S=8 Tev
(Elsevier, 2016)The angular distributions and the differential branching fraction of the decay B-0 -> K*(892)(0)mu(+)mu(-) are studied using data corresponding to an integrated luminosity of 20.5 fb(-1) collected with the CMS detector at ... -
Contact-Free Measurement Of Respiratory Rate Using Infrared And Vibration Sensors
(Elsevier Science Bv, 2015)Respiratory rate is an essential parameter in many practical applications such as apnea detection, patient monitoring, and elderly people monitoring. In this paper, we describe a novel method and a contact-free multi-modal ... -
A Robust System For Counting People Using An Infrared Sensor And A Camera
(Elsevier, 2015)In this paper, a multi-modal solution to the people counting problem in a given area is described. The multi-modal system consists of a differential pyro-electric infrared (PIR) sensor and a camera. Faces in the surveillance ... -
A New Technique for Direction of Arrival Estimation for Ionospheric Multipath Channels
(Elsevier Sci Ltd, 2009)A novel array signal processing technique is proposed to estimate HF channel parameters including number of paths, their respective direction of arrivals (DOA), delays, Doppler shifts and amplitudes. The proposed technique ... -
On The Design And Performance Analysis Of Low-Correlation Compact Space-Multimode Diversity Stacked Microstrip Antenna Arrays For Mimo-Ofdm Wlans Over Statistically-Clustered Indoor Radio Channels
(Spolecnost Pro Radioelektronicke Inzenyrstvi, 2015)The support of high spectral efficiency MIMO spatial-multiplexing communication in OFDM-based WLAN systems conforming to IEEE 802.11n standard requires the design and use of compact antennas and arrays with low correlation ...
