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A JFET-based circuit for realizing a precision and linear floating voltage-controlled resistance (VCR) is presented for use in analog multipliers and programmable analog circuits and as a resistance mirror. It uses a matched JFET pair along with an op amp based negative feedback for realizing a precision resistance and a feedback of the source and drain voltages to the gate for realizing a line...
To enhance the optimization ability of quantumbehaved particle swarm optimization algorithm, some improvement measures are proposed. First, we propose a encoding approach based on qubits described on Bloch sphere. This approach makes each particle contain three groups of Bloch coordinates of qubits, and all three groups of coordinates are regarded as approximate solutions describing optimizatio...
Compressive Sensing (CS) has demonstrated to be particularly adapt for dealing with the directions-of-arrival (DoAs) estimation of electromagnetic signals impinging on an array of sensors. Unlike deterministic CS methods, the Bayesian CS (BCS) allows to overcome some theoretical limitations of the CS, such to enable a reliable and versatile DoAs estimation tool able to work with different array...
In this paper, for the first time, an analytic model is built to derive broadcast packet reception ratios (PRRs) in IEEE 802.11 based general two-dimensional (2-D) mobile ad-hoc networks (MANETs). First, the reception probability that a node within transmission range of a sending node receives the broadcast message successfully is computed. Then, the PRRs are derived through integration of the ...
This paper proposes a new algorithm for blocking the operation of Indirect Symmetrical Phase Shift Transformer (ISPST) differential relay when subjected to different operating conditions except internal fault condition. The proposed algorithm is amalgamation of Phase angle shift (PAS) threshold and Optimal Radial Basis Function Neural Network (ORBFNN). PAS between source and load side currents ...
Automation systems, e.g., hydro power plants and industrial automation systems include heterogeneous engineering disciplines, e.g., mechanical, electrical, process, and software engineering, and raise additional challenges for quality assurance activities, e.g., identifying defects in change management processes where different disciplines are involved. Our observations in industry shows variou...
Modern GPUs can accelerate the execution of inherently data-parallel applications in General-Purpose GPU (GPGPU) computing. However, real-world algorithm realizations on GPUs differ from synthetic benchmarks. In this poster we stress the performance limits of GPUs. We measure the performance of our CUDA implementation of a recommended image compression algorithm (CCSDS-122.0-B-1) for space data...
Ultra Wideband (UWB) is an attractive technique that enables coexistence with other radio systems using very short pulses and spread spectrum. However there are potential interferences each other if UWB and other radio system are used same frequency band at close range. This paper discusses interference detection and mitigation techniques for pulse based UWB (p-UWB). A multi-carrier template wa...
This paper presents a laboratory model for a shunt static var compensator (SVC). Such shunt static var compensator (SVC) is useful in the control of power distribution feeders. The type of the SVC considered in this investigation is the famous thyristor-controlled reactor (TCR) configuration. LABVIEW software has been used as a practical platform to control the operation of the SVC thyristors. ...
In this paper, we introduce the diagonal of the modified Riesz distribution defined in 2 , IR r r . We propose the estimators of different parameters of this new distribution by two method, firstly by the moment method and secondly by the maximum likelihood method. The performance of the both estimators are studied by calculating the Mean Square Error (MSE). KeywordsDiagonal of the modified R...
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