Browsing Electrical, Electronic and Computer Engineering by Title

Browsing Electrical, Electronic and Computer Engineering by Title

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  • Ultra-compact capacitively loaded evanescent half-mode SIW filters for LTE applications 
    Stander, Tinus; Sinha, Saurabh (European Microwave Association, 2014-01-29)
    This paper presents a novel miniaturized substrate integrated waveguide filter by combining both half-mode resonators and capacitive loading on a conventional two-layer printed circuit board (PCB) process. The resulting ...
  • An ultra-low duty cycle sleep scheduling protocol stack for wireless sensor networks 
    Kleu, Christo (University of Pretoria, 2012-07-19)
    A wireless sensor network is a distributed network system consisting of miniature spatially distributed autonomous devices designed for using sensors to sense the environment and cooperatively perform a specific goal. Each ...
  • Underwater broadband acoustic scattering modelling based on FDTD 
    Jie, Shao; Weisong, Zhao; Xiangjun, Jin; Xin, Zhang; Malekian, Reza (Kaunas University of Technology, 2015)
    A modified finite-difference time-domain (FDTD) method is described in this paper. The absorption coefficient which is frequency-dependent is considered, and it is used to compute broadband acoustic scattering model of ...
  • Unification of road scene segmentation strategies using multistream data and latent space attention 
    Naude, August J.; Myburgh, Hermanus Carel (MDPI, 2023-08-23)
    Road scene understanding, as a field of research, has attracted increasing attention in recent years. The development of road scene understanding capabilities that are applicable to realworld road scenarios has seen ...
  • Unified approach for synthesis and analysis of non-isolated DC-DC converters 
    Gitau, Michael Njoroge; Adam, Grain P.; Masike, Lebogang; Mbukani, Mwana Wa Kalaga (Institute of Electrical and Electronics Engineers, 2021-09)
    Transformational techniques unifying synthesis of two-state DC-DC converters and analytical synthesis techniques allowing generation of all possible converters meeting a certain criteria already exist. The analysis of a ...
  • A unified model for context-based behavioural modelling and classification 
    Dabrowski, Joel Janek; De Villiers, Johan Pieter (Elsevier, 2015-11)
    A unified Bayesian model that simultaneously performs behavioural modelling, information fusion and classification is presented. The model is expressed in the form of a dynamic Bayesian network (DBN). Behavioural modelling ...
  • Unimodal and multimodal biometric sensing systems : a review 
    Oleyede, Muhtahir O.; Hancke, Gerhard P. (Institute of Electrical and Electronics Engineers, 2016)
    Biometric systems are used for the verification and identification of individuals using their physiological or behavioral features. These features can be categorized into unimodal and multimodal systems, in which the former ...
  • Universal decremental redundancy compression with fountain codes 
    Luus, Francois Pierre Sarel; McDonald, A.; Maharaj, Bodhaswar Tikanath Jugpershad (South African Institute of Electrical Engineers, 2010-06)
    A new universal noise-robust lossless compression algorithm based on a decremental redundancy approach with fountain codes is proposed. The binary entropy code is harnessed to compress complex sources with the addition of ...
  • Unsupervised land cover change detection : meaningful sequential time series analysis 
    Salmon, Brian Paxton; Olivier, Jan Corne; Wessels, K.J. (Konrad); Kleynhans, Waldo; Van den Bergh, Frans; Steenkamp, Karen C. (Institute of Electrical and Electronics Engineers, 2011-06)
    An automated land cover change detection method is proposed that uses coarse spatial resolution hyper-temporal earth observation satellite time series data. The study compared three different unsupervised clustering ...
  • The use of a multilayer perceptron for detecting new human settlements from a time series of MODIS images 
    Salmon, Brian Paxton; Olivier, Jan Corne; Kleynhans, Waldo; Wessels, K.J. (Konrad); Van den Bergh, Frans; Steenkamp, Karen C. (Elsevier, 2011-12)
    This paper presents a novel land cover change detection method that employs a sliding window over hyper-temporal multi-spectral images acquired from the 7 bands of the MODerate-resolution Imaging Spectroradiometer (MODIS) ...
  • The use of a semi-rigorous SAG mill model for a hands-on workshop 
    Bauer, Margret; Brooks, Kevin; Burchell, John; Coetzee, Loutjie; Le Roux, Johan Derik; McCoy, John; Miskin, Jason; Winter, Danielle (Elsevier, 2020)
    This paper describes the extension of a grinding mill model that is publicly available for educational and training purposes. This industrially derived model of a mill is used to explain complex concepts of advanced process ...
  • Users emulation attack management in the massive Internet of Things enabled environment 
    Okegbile, S.D. (Samuel); Ogunranti, Olabisi I. (Elsevier, 2020-12)
    Users’ emulation attacks are a prominent denial of service attack capable of degrading the entire performance of the network. In this paper, the detection and control of users’ emulation attacks in the massive internet ...
  • Using cognitive radio for interference-resistant industrial wireless sensor networks : an overview 
    Chiwewe, Tapiwa Moses; Mbuya, Colman F.; Hancke, Gerhardus P. (Jr.) (Institute of Electrical and Electronics Engineers, 2015-12)
    Industrial wireless sensor networks (IWSNs) have to contend with environments that are usually harsh and timevarying. Industrial wireless technology, such as WirelessHART and ISA 100.11a, also operates in a frequency ...
  • Using lagrangian relaxation for radio resource allocation in high altitude platforms 
    Ibrahim, Ahmed; Alfa, Attahiru Sule (Institute of Electrical and Electronics Engineers, 2015-10)
    In this paper, we study radio resource allocation for multicasting in OFDMA based high altitude platforms (HAPs). We formulate and solve an optimization problem that finds the best allocation of HAP resources such as ...
  • Using Page's cumulative sum test on MODIS time series to detect land-cover changes 
    Grobler, Trienko Lups; Ackermann, Etienne Rudolph; Van Zyl, A.J.; Olivier, Jan Corne; Kleynhans, Waldo; Salmon, Brian Paxton (Institute of Electrical and Electronics Engineers, 2013-03)
    Human settlement expansion is one of the most pervasive forms of land cover change in South Africa. The use of Page’s Cumulative Sum Test is proposed as a method to detect new settlement developments in areas that were ...
  • Value-based planning methodology for the restructuring and expansion of an electric utility sub-transmission network 
    Vrey, Deon Johann (University of Pretoria, 2006-12-20)
    The main objective of this study is to develop a methodology to assist in the reconfiguration and expansion of an electrical sub-transmission network within the framework of Value-based planning. This methodology applies ...
  • Variable- and fixed-length balanced runlength-limited codes based on a Knuth-like balancing method 
    Paluncic, Filip; Maharaj, Bodhaswar Tikanath Jugpershad; Ferreira, Hendrik C. (Institute of Electrical and Electronics Engineers, 2019-11)
    A novel Knuth-like balancing method for runlength-limited words is presented, which forms the basis of new variable- and fixed-length balanced runlength-limited codes that improve on the code rate as compared to balanced ...
  • A vector auto regression model applied to real estate development investment : a statistic analysis 
    Liu, Fengyun; Matsuno, Shuji; Malekian, Reza; Yu, Jin; Li, Zhixiong (MDPI Publishing, 2016-10-25)
    This study analyzes the economic system dynamics of investment in real estate from mainly four participants in China. Local governments limit the supply of commercial and residential land to raise fiscal revenue, and ...
  • A vector matroid-theoretic approach in the study of structural controllability over F(z) 
    Yuan, Yupeng; Li, Zhixiong; Malekian, Reza; Chen, Yongzhi; Chen, Ying (Institute of Electrical and Electronics Engineers, 2017)
    In this paper, the structural controllability of the systems over F(z) is studied using a new mathematical method-matroids. First, a vector matroid is de ned over F(z). Second, the full rank conditions of [sI AB](s 2 ) ...
  • Vehicle trajectory prediction based on hidden Markov model 
    Ye, Ning; Zhang, Yingya; Wang, Ruchuan; Malekian, Reza (KSII, 2016-07)
    In Intelligent Transportation Systems (ITS), logistics distribution and mobile e-commerce, the real-time, accurate and reliable vehicle trajectory prediction has significant application value. Vehicle trajectory prediction ...