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Now showing items 51-60 of 67
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 ...
Association of Ionospheric Storms and Substorms of Global Electron Content with Proxy Ae Index
(Elsevier Sci Ltd, 2015)
Storm time modeling of Global Electron Content (GEC) calculated from GIM-TEC for 1999-2013 is associated with new proxy of Auroral Electrojet variability expressed as a smoothed and normalized Auroral Electrojet index ...
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 ...
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 ...
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 ...
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 ...
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 ...
Regularized Estimation of Vertical Total Electron Content From Gps Data For A Desired Time Period
(Amer Geophysical Union, 2004)
In this paper a new algorithm for short-term regularized estimation of vertical total electron content (VTEC) from Global Positioning System (GPS) data is developed. The regularization technique can combine signals, from ...
Wavelet Based Flickering Flame Detector Using Differential Pir Sensors
(Elsevier Sci Ltd, 2012)
A Pyro-electric Infrared (FIR) sensor based flame detection system is proposed using a Markovian decision algorithm. A differential PIR sensor is only sensitive to sudden temperature variations within its viewing range and ...
Regional Ionospheric Trend Statistics: Ionolab-Pdf
(Tubitak Scientific & Technical Research Council Turkey, 2017)
The ionosphere plays an important role for HF bands, space-based positioning systems, satellite communication, and propagation. The variability of the ionosphere has a complex spatiotemporal characteristic, which depends ...