NORTH ATLANTIC UNIVERSITY UNION

Displaying 121-155 of 155 results

  • White Papers // Aug 2010

    A Multi-Agent Geo-Simulation Model for Intelligent Sensor Web Spatial Coverage Management Using IVGE

    A Sensor Web (SW) consists of a large collection of small nodes providing collaborative and distributed sensing abilities in unpredictable environments. Nodes composing such a SW are characterized by resource restrictions, especially energy, processing power, and communication capacities. A sensor web can be thought of as a spatially and functionally...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Jun 2010

    Analysis of SAR Reduction of Mobile Phones in Heterogeneous Media

    The mutual effect of symmetrical electric dipoles located in the near region of each other is considered. The problem is solved with due account of the space heterogeneity. The results are applied to the compensation method for losses reduction in head of phone user. The cellular phone antennas PIFA and...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Jun 2010

    Throughput and Power Consumption Comparisons of Zigbee-based and ISM-Based Implementations of WSAN

    Wireless sensor and actuator networks have expanding applications which requires better throughput, power efficiency and cost effectiveness. This paper intends to contribute to the growing pool of knowledge on WSAN especially in the design for novel applications such as image or video over WSANs, and solar energy and RF energy...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Jun 2010

    Low Power Semiconductor Devices at 65nm Technology Node

    In this paper, the authors attempt to analyze the performance of 65 nm CMOS device structures for low power applications. It indicates that the historical trend of scaling of MOS devices can be sustained by innovative CMOS Structures such as Ultrathin body SOI devices and multiple gate MOSFETS (such as...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Jun 2010

    The Role of Business Process Management Systems and Business Intelligence Systems in Knowledge Management

    Knowledge has a strategic role in the modern company. Therefore, company must know how to manage knowledge. Knowledge Management (KM) is the concept of the systematic collection, organization, archiving and sharing of knowledge aimed at achieving the objectives of the company. The increase of the quantity and dynamics of knowledge...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Jun 2010

    An Intelligent Distributed Algorithm for Efficient Web Image Retrieval

    Web image retrieval is a challenging task that requires efforts from image processing, web text retrieval, and link structure analysis. General web image retrieval engines such as Google and Yahoo retrieve images according to the meta-data or the context in which the images are found. Hence, the results search engines...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Jun 2010

    A Testing Theory for Real-Time Systems

    The authors develop a testing theory for real-time systems. They keep the usual notion of success or failure (based on finite runs) but they also provide a mechanism of determining the success or failure of infinite runs, using a formalism similar to the acceptance in Buchi automata. They present two...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Mar 2010

    New Aspect on Wireless Communication Networks

    This paper provides a detailed picture on computer networks and especially on wireless networks, focusing on specific characteristics of wireless systems. By using MIMO technology (Multiple Input Multiple Output), network logon can be realized at distances much greater. The use of antennas allows reception and transmission of multiple data streams...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Mar 2010

    Information Security Risks for Satellite Tracking

    Satellite tracking is one of the most rapidly growing service business areas in the world, and there are already many commercial applications available. Benefits of the service for the customer are advertised, but very seldom there is any mention of information security of the system. Modern satellite tracking systems contain...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Mar 2010

    A Printed Monopole Antenna for Cellular Handsets

    In this paper, the authors propose a modified monopole antenna for use as internal antenna in mobile handsets. In this antenna, called the MB antenna, the radiating element (monopole) is implemented in parallel to a ground plane, without degradation of its radiation characteristics. Simulations show that the MB antenna performs...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Mar 2010

    Creating a Service Oriented Architectural Model for Emergency Vehicles

    Finnish police cars have about 40 different user interfaces (radio, navigation, command and control systems, radar, alarm lights, etc.) on the deck beyond the cars' standard user interfaces. In cold weather conditions, not all police vehicles are creating enough electricity for intensive operations. Also, wiring and ergonomics are problematic. The...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Mar 2010

    3D Battlefield Modeling and Simulation of War Games

    In this paper, a real time 3D virtual simulation software for visualizing the military battlefields was developed. Developed software, named Sandbox, used elevation data stored in DEM format corresponding to the battlefield. Sandbox uses this data to create the platform on which the military units will be added. Different military...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Nov 2009

    Viewpoint of Probabilistic Risk Assessment in Information Security Audit

    After the information security audit, the auditor commonly points out the importance of information assets, the vulnerability of the audited information system, and the need of countermeasures. On such an occasion, the audited often ask the auditor for the quantitative assessment of the risk so that they can take specific...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Sep 2009

    Fingerprint Watermark Embedding by Discrete Cosine Transform for Copyright Ownership Authentication

    In respect to the issues on protecting intellectual property, particular for artistic works in electronic form, some sorts of techniques could be put on a copyright material image to ensure its ownership authentication. In this paper, signatories' biometric fingerprint watermark message in digital format will be embedded into a copyright...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Aug 2009

    Novel Approach for Optimization of Cell Planning and Capacity

    Configuration, cost, base station output power are important resources in cellular mobile radio systems. The main idea of cell planning is the maximize capacity in another words number of subscribers and minimize cost at the same time. In a GSM system, where coverage areas are divided into cells in planning...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Aug 2009

    Generic Interactive Natural Language Interface to Databases (GINLIDB)

    To override the complexity of SQL and to facilitate the manipulation of data in databases for common people (not SQL professionals), many researches have turned out to use natural language instead of SQL. The idea of using natural language instead of SQL has prompted the development of new type of...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Aug 2009

    Efficient FPGA Implementation of FFT/IFFT Processor

    The Fast Fourier Transform (FFT) has become almost ubiquitous and most important in high speed signal processing. Using this transform, signals can be moved to the frequency domain where filtering and correlation can be performed with fewer operations. It has been widely applied in the analysis and implementation of digital...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Jun 2009

    An Adequate Design for Large Data Warehouse Systems: Bitmap Index Versus B-Tree Index

    Although creating indexes on database is usually regarded as a common issue, it plays a key role in the query performance, particularly in the case of huge databases like a data warehouse where the queries are of complicated and ad hoc nature. Should an appropriate index structure be selected, the...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Jun 2009

    FPGA Implementation of Ternary Pulse Compression Sequences with Superior Merit Factors

    Ternary codes have been widely used in radar and communication areas, but the synthesis of ternary codes with good merit factor is a non-linear multivariable optimization problem, which is usually difficult to tackle. To get the solution of above problem many global optimization algorithms like genetic algorithm, simulated annealing and...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Mar 2009

    Muli-Threshold Low Power Shift Register

    In this paper, the authors focus on the design of the shift register in the sub-threshold region of the transistor which is called the weak inversion. In the weak inversion region of the transistor, the voltage supply is less than the threshold voltage of the transistor to minimize both of...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Jan 2009

    Single-Precision Logarithmic Arithmetic Unit with Floating-Point Input/output Data

    In this paper, the authors offer an alternative for classical Floating-Point (FP) units to solve faster and with less area the multiplication or division of two single-precision operands. Also, these operations are performed faster and more accurately than in previous works that used logarithmic arithmetic. All computations are fused in...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Jan 2009

    The Design of High Frequency True Single Phase Clocking Divider-by-3 Circuit

    The field of broadband communications has been rapidly expanding as the information society continues to grow. Relatively large amounts of data can now be handled with ease, and the exchange of image and music data is commonplace. In both wired and wireless communications, synchronous technology is indispensable, and this technology...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Jan 2009

    The Proposed Genetic FPGA Implementation for Path Planning of Autonomous Mobile Robot

    In this paper, the authors propose Genetic Algorithms (GAs) for path Autonomous Mobile Vehicle (AMV). This approach has an advantage of adaptively such that the GA works perfectly even if an environment is unknown. First, they present a software implementation GA path planning in a terrain. The results gotten of...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Dec 2008

    An Architecture for Systematic Administration of SELinux Policies in Distributed Environments

    An operating system designed under the criteria of the class A1, consists of a collection of security strengthening mechanisms for the kernel. SELinux is an example of this type of operating system that supports several types of security policies applied to access control. In this paper, the authors address the...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Nov 2008

    An Inversion/non-Inversion Dynamic Optically Reconfigurable Gate Array VLSI

    Up to now, an optically differential reconfigurable gate array taking a differential reconfiguration strategy and a dynamic optically reconfigurable gate array taking photo-diode memory architecture have been proposed. The differential reconfiguration strategy provides a higher reconfiguration frequency, with no increase in laser power, than other optically reconfigurable gate arrays, however...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Jun 2008

    The Design and Implementation of Database Encryption

    Information inside the database is shared by multiple parties such as internal users, partners, contractors and others. Sensitive data stored in database could be a target to attackers. The attacker for data stored in database not only from external but also from within the organization. Adding the database encryption, valuable...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Jun 2008

    Embedded Processor Control of a Lime Machine

    The development of real-time control systems requires effective hardware and software systems and design tools. This paper presents the design and implementation of a microprocessor-based embedded control system for a lime slurry delivery machine, intended for lime production plants. This paper was to ensure high performance, as provided by a...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Jun 2008

    A Gigabit IP Core for Embedded Systems

    In embedded systems a common requirement is to provide some form of communication between the system and a server. In the case of IPTV (Internet Protocol TV), the purpose is for streaming content, in other applications it is for sending blocks of data between the two machines for processing. This...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // May 2008

    Synchronization of Two Mutually Coupled Duffing - Type Circuits

    In this paper, the authors have studied experimentally the case of chaotic synchronization of two identical nonlinear electronic circuits. This is a very interesting research area because of its applications to the field of secure communications. The circuit, they have used is a second order, Duffing-type, non-linear electronic circuit driven...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Mar 2008

    Design and Implementation of Three-Phase Voltage Flicker Calculation Based on FPGA

    In this paper, the authors propose a method for computing equivalent three-phase voltage flicker using Field-Programmable Gate Array (FPGA) based Integrated Circuit (IC) to measure the instantaneous voltage vectors. The very high-speed integrated-circuit Verilog Hardware Description Language (VHDL) is used to design scheme, which provides high flexibility and technology independence....

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Mar 2008

    Designs of CMOS Multi-Band Voltage Controlled Oscillator Using Active Inductors

    In this paper, the authors propose a Radio Frequency (RF) CMOS multiple bands Voltage-Controlled Oscillator (VCO) using an active inductor load with a binary code band selector suitable for multi-standards wireless applications.. By employing an improved high-Q active inductor including two bits binary controlled code, the multi-band VCO operating at...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Mar 2008

    Generalized Sampling Kernels for Designing of Sharp FIR Digital Filters with Wide Passband

    Practical design of linear-phase sharp FIR filters have been much studied in communication and signal processing areas. A new design of a computationally efficient FIR filter with wide passband and sharp transition is proposed by utilizing generalized sampling kernels and the IFIR filter structure. In particular, the proposed filter design...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Mar 2008

    Assessing the Effects of e-Quality and e-Satisfaction on Website Loyalty

    The e-quality metric needs continued development and validation when measuring customer's satisfaction and loyalty in e-shopping environment. Adding the newly developed service quality scales E-S-Qual to the D&M IS Success Model to assess a website loyalty model, a set of empirical data including 668 usable questionnaires were collected by online...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Mar 2008

    Design and Evaluation of Hysteresial Threshold Gate Based on Neuron MOS

    High-Speed and high-performance synchronous circuit design in VLSI suffer some serious problems such as clock skew, clock noise and larger power dissipation. In this paper, threshold gates with hysteresis using Neuron MOS (νMOS) are presented as basic elements in Null Convention Logic (NCL) circuits. NCL, which proposed by the researchers,...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Mar 2008

    A CMOS Gm-C State-Space 1MHz Low-Pass Active Filter

    Monolithic filters can be implemented using several circuit techniques: AO-RC, MOSFET-C, switched-C, Gm-C and digital. All these circuit techniques have advantages and disadvantages, so the different characteristics of each defines its application niches and the new technologies generally emphasize the limits of these techniques in their applications areas. So, in...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Sep 2010

    WiMAX Network Design for Cost Minimization and Access Data Rate Guarantee Using Multi-Hop Relay Stations

    Network cost and network quality of services are important concerns in the widespread deployment of WiMAX networks. This paper presents a novel network design and optimization model for mobile WiMAX access networks utilizing multi-hop relays. The proposed model aims to determine optimal locations of base stations and relay stations so...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Sep 2010

    A Compact Internal Planar Antenna With a Capacitive Tuner for 3G and 4G Mobile Phone Application

    There have been many antenna designs studied and developed in 3G mobile phone applications. Multiband operation has become a basic requirement for internal antennas to be used in the mobile phone for wireless communication system. These papers are evaluated the multiband antenna operation for the application in 3G wireless communication...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Dec 2010

    Anomaly Detection in Wireless Sensor Networks Using Self-Organizing Map and Wavelets

    This paper proposes an anomaly detection scheme which is able to detect anomalies accurately by employing only important features of data signals, instead of using all the sensor data traces. The contribution of this paper centers on anomaly detection by using Discrete Wavelet Transform (DWT) combined with a competitive learning...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Mar 2011

    Application of the Classical Reliability to Address Optimization Problems in Mesh Networks

    Failures in communication networks may arise from natural catastrophes, component wear out, or action of intentional enemies. A communication network can be modeled by an undirected graph (or digraph) G= (V,E), where V and E are the set of nodes and edges (links) of G, respectively. Moreover the failure probabilities...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Mar 2011

    Simulation Model for Performance Evaluation of Advanced SIP Based Mobility Management Techniques

    Wireless technologies have evolved very rapidly in recent years. In the future, operators will need to enable users to use communication services independently of access technologies, so they will have to support seamless handovers in heterogeneous networks. In this paper, the authors focus on building the simulation model for testing...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Jul 2011

    J-PAKE Based Mutual Authentication Model for EPC Networks

    The LTE architectural model developed by 3GPP proposed solutions to achieve high data rates, lighter network architectures and easier achievement of security requirements. Designed as a fully sustained IP network, the LTE provides unified access to a variety of services networks, via its EPC component. The core network of this...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Mar 2010

    New Aspect on Wireless Communication Networks

    This paper provides a detailed picture on computer networks and especially on wireless networks, focusing on specific characteristics of wireless systems. By using MIMO technology (Multiple Input Multiple Output), network logon can be realized at distances much greater. The use of antennas allows reception and transmission of multiple data streams...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Jun 2010

    Analysis of SAR Reduction of Mobile Phones in Heterogeneous Media

    The mutual effect of symmetrical electric dipoles located in the near region of each other is considered. The problem is solved with due account of the space heterogeneity. The results are applied to the compensation method for losses reduction in head of phone user. The cellular phone antennas PIFA and...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Oct 2013

    Fault Diagnosis in Dynamic Processes: A Data Mining and SVM Application

    The major inconvenient for the Fault Detection and Isolation (FDI) in technical processes based on analytical redundancy is the requirement of a very accurate model of the system. By contrary, in the methods based on data handling it is not required of a precise model, since they are based on...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Feb 2012

    Real-Time Implementation of Predictive Control Using Programmable Logic Controllers

    In this paper, the authors investigate the real-time aspects of digital control system implementation. The control system design is based on the model predictive control, which is one of the most popular advanced control design techniques. Two alternatives of predictive control implementation using the Programmable Logic Controllers (PLCs) are proposed...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Jun 2008

    Embedded Processor Control of a Lime Machine

    The development of real-time control systems requires effective hardware and software systems and design tools. This paper presents the design and implementation of a microprocessor-based embedded control system for a lime slurry delivery machine, intended for lime production plants. This paper was to ensure high performance, as provided by a...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Jan 2009

    The Design of High Frequency True Single Phase Clocking Divider-by-3 Circuit

    The field of broadband communications has been rapidly expanding as the information society continues to grow. Relatively large amounts of data can now be handled with ease, and the exchange of image and music data is commonplace. In both wired and wireless communications, synchronous technology is indispensable, and this technology...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Jan 2009

    The Proposed Genetic FPGA Implementation for Path Planning of Autonomous Mobile Robot

    In this paper, the authors propose Genetic Algorithms (GAs) for path Autonomous Mobile Vehicle (AMV). This approach has an advantage of adaptively such that the GA works perfectly even if an environment is unknown. First, they present a software implementation GA path planning in a terrain. The results gotten of...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Aug 2009

    Efficient FPGA Implementation of FFT/IFFT Processor

    The Fast Fourier Transform (FFT) has become almost ubiquitous and most important in high speed signal processing. Using this transform, signals can be moved to the frequency domain where filtering and correlation can be performed with fewer operations. It has been widely applied in the analysis and implementation of digital...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Jun 2009

    FPGA Implementation of Ternary Pulse Compression Sequences with Superior Merit Factors

    Ternary codes have been widely used in radar and communication areas, but the synthesis of ternary codes with good merit factor is a non-linear multivariable optimization problem, which is usually difficult to tackle. To get the solution of above problem many global optimization algorithms like genetic algorithm, simulated annealing and...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Feb 2011

    An Intrinsic Characteristic in the Multiple Use of Mobile Phone Terminals with GPS and Its Application to the Positioning Error Reduction

    In recent years, studies of location identification by mobile phone have been attracting a lot of attention. Especially, GPS contents of mobile phones are increasing for the purpose of various kinds of applications, such as games, navigations and so on. So far, many investigations have been carried out for the...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Feb 2011

    Filter Implementation for CMOS Adaptive Sampling Delta Modulators

    The authors illustrate the idea of the building delta modulator/demodulator with the help of the non-uniform sampling method. Each of elements, both analog and digital, that is used for this realization can be put together on one chip, making up a piece of the system-on-chip circuit or the ASIC chip...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Jul 2011

    Using LabVIEW Tool for Verifying the Functioning of an Electronic Programmable Circuit

    The programmable encoder that is presented in this paper realizes the coding in many variances in order not to permit the code breakage by an unauthorized person. This paper presents an electronic circuit that identifies a code introduced using a keyboard, if this code is corresponding to the stored code,...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Mar 2011

    Precise Algorithms for Pole-Zero Analysis in Electronic Circuit Design

    The pole-zero analysis is generally known to be very sensitive to the numerical precision of the computer arithmetic's. In the paper, various methods are suggested for solving that problem. First, an optimal pivoting strategy of the algorithm that reduces the general eigenvalue problem to the standard one is presented for...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Apr 2015

    Power MOSFET Based Photo-Voltaic Battery Charger Analysis and Implementation

    Power MOSFET is the basic control element in all types of power electronic converters. Recent studies are focused on charging battery using solar energy to eliminate the energy crisis. This paper analyzes the losses associated with power MOSFET used to charge batteries from solar energy. N channel and P channel...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Apr 2015

    FPGA-Based Reconfigurable Computer Systems for Digital Image Processing

    Multi-thread processing of large data at a rate of data receiving, which is typical of various problems of digital signal processing (locating image features by template matching, digital filtering, etc.), can be successfully performed on reconfigurable computer systems. The paper covers design principles, technical parameters and design features of reconfigurable...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Nov 2014

    Custom-Build Hardware-in-the-Loop Microcontroller Based Simulator for Turboprop and Turbojet Engine Control Units

    One of the key steps in a modern product development is a product testing stage. From the V-diagram point of view, it takes place in the system integration part of the V-diagram, starting at the testing and tuning at the component level, up to field tests of the product. This...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Jun 2014

    Special Circuits of Operational Amplifiers for Measurement Purposes

    Capture and processing of analog signals whose level is a function of frequency, usually requires the use of frequency dependent circuits. They often use active 4-poles that implement the integration or derivation of the processed signal. Steady and largely standardized operational amplifiers involved in the function of integration and derivation...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Mar 2008

    Designs of CMOS Multi-Band Voltage Controlled Oscillator Using Active Inductors

    In this paper, the authors propose a Radio Frequency (RF) CMOS multiple bands Voltage-Controlled Oscillator (VCO) using an active inductor load with a binary code band selector suitable for multi-standards wireless applications.. By employing an improved high-Q active inductor including two bits binary controlled code, the multi-band VCO operating at...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Mar 2008

    Design and Implementation of Three-Phase Voltage Flicker Calculation Based on FPGA

    In this paper, the authors propose a method for computing equivalent three-phase voltage flicker using Field-Programmable Gate Array (FPGA) based Integrated Circuit (IC) to measure the instantaneous voltage vectors. The very high-speed integrated-circuit Verilog Hardware Description Language (VHDL) is used to design scheme, which provides high flexibility and technology independence....

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // May 2008

    Synchronization of Two Mutually Coupled Duffing - Type Circuits

    In this paper, the authors have studied experimentally the case of chaotic synchronization of two identical nonlinear electronic circuits. This is a very interesting research area because of its applications to the field of secure communications. The circuit, they have used is a second order, Duffing-type, non-linear electronic circuit driven...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Nov 2008

    An Inversion/non-Inversion Dynamic Optically Reconfigurable Gate Array VLSI

    Up to now, an optically differential reconfigurable gate array taking a differential reconfiguration strategy and a dynamic optically reconfigurable gate array taking photo-diode memory architecture have been proposed. The differential reconfiguration strategy provides a higher reconfiguration frequency, with no increase in laser power, than other optically reconfigurable gate arrays, however...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Apr 2015

    Electrically Adjustable Bracket for IP Cameras

    In this paper, the authors deal with design of control for surveillance camera position-able stand over Ethernet. It describes the selected hardware solution based on development kit with ARM microprocessor and connected board with additional electronics. This paper is to create an electrically-controlled bracket for analogue or IP cameras. The...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Apr 2015

    A Real Time Implementation on FPGA of Moving Objects Detection and Classification

    In this paper, the authors propose real-time implementation on FPGA for moving objects detection and classification using Handel-C language; the results are shown in RGB video format. In the first part of their paper, they propose a GUI interface programmed using the visual C++ that facilitates the implementation for non-initiate...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Apr 2015

    Circuit Representation of Load and Line Asymmetries in Three-Phase Power Systems

    In this paper, the authors deal with circuit representation of load and line asymmetries in three-phase power systems. Indeed, it is well known that under the assumption of symmetrical phases, power systems are effectively analyzed through the symmetrical component transformation leading to uncoupled sequence circuits. In practical power systems, however,...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Apr 2015

    ISFET Characterization Using Constant Voltage Constant Current Readout Circuit

    In this paper, the authors present a constant voltage constant current readout circuit for Ion-Sensitive Field-Effect Transistor (ISFET). The study and investigation of ISFET performance using linear technology simulation program with integrated circuit emphasis LTSpice in order to identify the characteristics relationship of an ISFET variable is included. A macro-model...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Apr 2015

    Novel Approach to Dataset Proposal Techniques

    There are several approaches how to evaluated effectiveness of Intelligent video surveillance system. Functions of the particular tools are described in detail and the qualitative analyze of them has been executed in order to extend current form of the EN 50 132 appendixes, where the specific monitored locations are defined....

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Mar 2008

    A CMOS Gm-C State-Space 1MHz Low-Pass Active Filter

    Monolithic filters can be implemented using several circuit techniques: AO-RC, MOSFET-C, switched-C, Gm-C and digital. All these circuit techniques have advantages and disadvantages, so the different characteristics of each defines its application niches and the new technologies generally emphasize the limits of these techniques in their applications areas. So, in...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Jul 2011

    VHDL Circuits Hardware Description Language: Notes

    Field Programmable Gate Arrays (FPGAs) are usually programmed using languages and methods inherited from the domain of VLSI (Very Large Scale Integration) synthesis. These methods, however, have not always been adapted to the new possibilities opened by FPGA, nor to the new constraints do they impose on a design. For...

    Provided By NORTH ATLANTIC UNIVERSITY UNION

  • White Papers // Mar 2008

    Generalized Sampling Kernels for Designing of Sharp FIR Digital Filters with Wide Passband

    Practical design of linear-phase sharp FIR filters have been much studied in communication and signal processing areas. A new design of a computationally efficient FIR filter with wide passband and sharp transition is proposed by utilizing generalized sampling kernels and the IFIR filter structure. In particular, the proposed filter design...

    Provided By NORTH ATLANTIC UNIVERSITY UNION