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132 articles for “magnetic”
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Computer-Assisted Automatic Segmentation/Detection of Multiple Sclerosis Lesions in Brain MR Images: A Review
Abstract: In humans, central nervous system (CNS) may suffer with demyelinating disease, named multiple sclerosis (MS), characterized by a wide scope of neurological deficits. Magnetic resonance imaging (MRI) is an important tool for MS diagnosis which enables the detection of location and size of the affected tissue. Research on this disease is has grabbed wide attention so as to improve the treatment plans by better understanding of causes and the disease …
Published in International Journal of Image Processing and Pattern Recognition · Vol. 3, Issue 1, 2017 · pp. 17–24 Read article
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Wireless Sensor Networks-Based Intelligent Transportation System
Abstract: Rising private vehicles in urban areas resulting more traffic and pollution in cities which requires an intelligent transportation system based on wireless sensor networks. Intelligent transportation systems (ITS) plays an important role in management of traffic. Wireless sensor networks is an emergent technology with an effective potential to overcome these difficulties and improves ITS. We will discuss their architectural and engineering challenges. The description of sensor node designed for sensing …
Published in International Journal of Broadband Cellular Communication · Vol. 4, Issue 1, 2018 · pp. 16–20 Read article
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Revolution in Mobile Communication by HC3 Technology
Abstract: ABSTRACT This article describes the idea of Human Centered Communication and Computing (HC3) technology. The aim of HC3 is to counterpoint communication and enhance human capabilities through interfaces that may convey a user’s ideas, sensations, sensitivity and intent. We have a tendency to find out biological data interfaces to alter folks, to act with data via increased senses and limbs. In this article, we discuss the future possibilities of this …
Published in International Journal of Broadband Cellular Communication · Vol. 5, Issue 1, 2019 · pp. 14–20 Read article
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Wireless Charging Using Tesla Coil
Abstract: This paper intends to present the design of wireless charging using the Tesla coil. There are two methods of electrical energy transmission - 1) is wired, and 2) is wireless. Wired electric transmission is much complicated in design. An easy way to overcome this disadvantage is to use wireless transmission. This project explains how the electrical energy is transferred from a charging source to the receiver, without any wired physical …
Published in International Journal of Broadband Cellular Communication · Vol. 6, Issue 2, 2020 · pp. 35–40 Read article
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Text Data Hiding and Extraction of Image using Discrete Wavelet Transform
Abstract: Now a day with the wide use of multimedia is increasing to a large extent, the visual information that contains the high quality and low complexity digital images plays a very vital role in daily life applications such as satellite television, magnetic resonance imaging, computer tomography, geographical information systems and astronomy and many other areas. Main purpose of this paper is to investigate or develop new concepts to design digital …
Published in International Journal of Digital Communication and Analog Signals · Vol. 1, Issue 1, 2015 · pp. 16–22 Read article
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A Critical Review of Harmonics and Mitigation Techniques in Power Systems
Abstract: The application of nonlinear loads in electrical power systems has increased significantly in recent years. These include variable speed drives (VSDs), uninterruptible power supplies (UPS), industrial rectifiers, welding machines, fluorescent lighting systems (Electronic ballast), computers, electronic appliances and other equipment with switched mode power supplies (SMPS) all of which have nonlinear voltage-current characteristics and produce harmonic distortions on the power system. Power system reliability and normal operation of electrical equipment …
Published in International Journal of Electrical Power System and Technology · Vol. 5, Issue 1, 2019 · pp. 1–15 Read article
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MRAC Based Speed Estimation of Three DTC Techniques for Three-phase Inverter Fed IPMSM Drive
Abstract: This paper aims to study three Direct Torque Control (DTC) techniques for an Interior Permanent Magnet Synchronous Machine (IPMSM) using Model Reference Adaptive Control (MRAC). In the conventional DTC technique using a look-up table, gate signals are given to the Inverter that drives IPMSM. Since it is a 6-sector scheme and the operation of the minimum number of voltage vectors, undesired torque and flux ripples are created. Hence the problem …
Published in International Journal of Electrical Power System and Technology · Vol. 9, Issue 2, 2023 · pp. 1–15 Read article
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Wind-Solar Cogeneration on the Grid Using Voltage-Source Converters
Abstract: The paper presents a cost-effective configuration for a Grid-Connected Wind-Photovoltaic Cogeneration system. In addition, topology provides an independent tracking of the maximum power point for both wind and solar to maximize renewable energy use. The solar is correlated with grid via Voltage Source Inverter (VSI), wind turbine based on a permanent magnet synchronous generator is correlated with the utility grid via Voltage Source Rectifier (VSR). The intermediate circuit capacitor was …
Published in International Journal of Electrical Power System and Technology · Vol. 9, Issue 2, 2023 · pp. 23–28 Read article
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Deep Learning Approach Based Brain Tumor Detection
Abstract: The brain tumor is one of the most deadly disease which is of great concern and hence to detect and extract the effected tumor area in the brain from the MRI has lot of research potential. It is also a very difficult task to perform by the experts. The perfection of the vivisection depends on how much experienced the radiologist or the clinical expert is. So to overcome the wastage …
Published in International Journal of Embedded Systems and Emerging Technologies · Vol. 8, Issue 1, 2022 · pp. 57–63 Read article
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A Study on Arduino Car Speed Detector Using Arduino UNO and IR Sensors
Abstract: In this study, we structure and fabricate a basic vehicle speed locator circuit utilizing Arduino UNO and IR sensors. This Arduino vehicle speed identifier venture can be utilized to recognize speed of a moving vehicle. A vehicle speed observing framework is fabricated to utilizing Arduino and IR sensor. Considering the street security another procedure is depicted to distinguish the speeding vehicle and charge them fine to defy the norms or …
Published in International Journal of Microelectronics and Digital integrated circuits · Vol. 4, Issue 2, 2018 · pp. 6–12 Read article
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Microcontroller Based Security System for Shop
Abstract: Security system for shop should be fixed on the inner side of the shutter in the bottom. It is a safety device developed after intensive research and studying the flaws and pain-points of all types of shutters available in the market. Though coming to the main point, our device will be more secure as compared to other devices available in market in multiple manners like we can develop more security …
Published in International Journal of Microelectronics and Digital integrated circuits · Vol. 5, Issue 1, 2019 · pp. 9–15 Read article
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Development of a Ray-tracing Program and its Application in Characterizing the Range of HF Radio Propagation in the Equatorial Ionosphere
Abstract: A ray tracing program which is an algorithm that can be used to describe the complex nature of the ionosphere has been developed using locally available resources. The International Reference Ionosphere (IRI) Ionospheric Model were incorporated into the program for evaluating electron density values. Complex refractive indices of the ionosphere were generated using Appletone-Hartree formula with no collision and magnetic field effects. The program applies Snell’s law of refraction in …
Published in International Journal of Microelectronics and Digital integrated circuits · Vol. 6, Issue 2, 2020 · pp. 1–11 Read article
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An Improvement of Out-of-Band Suppression in Common-Gate LNA with Transformer-Based Input Matching Network for BLE Applications
Abstract: The purpose of this paper is to improve out-of-band suppression in capacitive cross-coupling common-mode LNA with transformer-based input matching for BLE applications. Starting from an overview of the transformer-based matching network, the problematic issue is addressed through analytical considerations and its solution is presented. Transformer-based matching introduces an undesired peak response by an extra conjugate pole pair owing to the imperfect magnetic coupling of the transformer which degrades the suppression …
Published in International Journal of Microelectronics and Digital integrated circuits · Vol. 7, Issue 2, 2021 · pp. 9–23 Read article
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Microwaves-Impact on our living!
Abstract: Electromagnetic Field (EMF) radiation is the flow of photons through space. Each photon contains a certain amount of energy, and the different types of radiations are defined by the amount of energy found in the photons. The electromagnetic spectrum is the range of all types of EM radiation. X-rays used in hospitals or the radio waves from a radio station are all part of this spectrum. Even when a building …
Published in International Journal of Microwave Engineering and Technology · Vol. 1, Issue 1, 2015 · pp. 20–22 Read article
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Rectangular Microstrip Antenna Design and Analysis for Exposure System at 900 MHz with Different Feeding Mechanism
Abstract: Microstrip antennas widely used in defence applications, in aircrafts and in applications where narrow bandwidth is required. In this work an antenna is designed with 3 different feeding mechanisms. The feeding mechanism is used to provide the path for the flow of current from the source. The three different feeds are Line feed, Quarter wave transformer feed and Inset feed. The rectangular microstrip patch antenna designed at 900 MHz and …
Published in International Journal of Microwave Engineering and Technology · Vol. 2, Issue 1, 2016 · pp. 7–19 Read article
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A Next Generation Wireless Power Transmission- A Review
Abstract: Presently, we display the idea of transmitting force without utilizing wires i.e., transmitting power as Beneficial too require based cutting edge control transmission system. Wireless power transmission Transfer the power starting with one place then onto the next is to diminish the transmission and circulation misfortunes. We likewise have talked about the innovative improvements in Wireless Power Transmission (WPT). The favorable circumstances, weaknesses, natural effects and uses of WPT are …
Published in International Journal of Microwave Engineering and Technology · Vol. 2, Issue 2, 2016 · pp. 7–11 Read article
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Load Frequency Control of Interconnected Power System by Conventional and Facts Devices
Abstract: The stability of power systems has been and continues to be of major concern in system operation. Modern electrical power systems have grown to a large complexity due to increasing interconnections, installation of large generating units, and extra-high voltage tie lines, etc. Transient stability is the ability of the power system to maintain synchronism when subjected to a severe transient disturbance, such as a fault on transmission facilities, sudden loss …
Published in International Journal of Power Electronics Controllers and Converters · Vol. 4, Issue 2, 2018 · pp. 9–15 Read article
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NANOTECHNOLOGY- A TINY POSSIBLE SOLUTION TO THE GLOBAL WATER CRISIS?
Abstract: The rapidly increasing population, depleting water resources, and climate change have resulted in prolonged droughts and floods. This has rendered drinking water a competitive resource in many parts of the world. The development of cost-effective and stable materials and methods for providing fresh water in adequate amounts is the need for today’s world. Traditional water/wastewater treatment technologies remain ineffective for providing adequate safe water due to increasing demand of water …
Published in International Journal of Applied Nanotechnology · Vol. 3, Issue 1, 2017 · pp. 23–32 Read article
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Synthesis and characterization of bi metallic Nanoparticles by 2-thiotic acid for selective growth of SWCNT
Abstract: Nanoparticles (NPs) are tiny materials having size ranges from 1 to 100 nm. They can be classified into different classes based on their properties, shapes or sizes. There are different types of NPs like men made NPs and Natural NPs but we are discussing about monometallic NPs and Bimetallic NPs. We deal with bimetallic NPs. NPs possess unique physical and chemical properties due to their high surface area and nanoscale …
Published in International Journal of Applied Nanotechnology · Vol. 4, Issue 2, 2018 · pp. 48–58 Read article
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Low-graded coals to upgrade
Abstract: Coal can be defined as a chemically and physically heterogenous, “combustible”, sedimentary rock consisting of both organic and inorganic materials. Organically, coal consists primarily of carbon, hydrogen, and oxygen, with lesser amounts of sulphur and nitrogen. Inorganically, coal consists of a range of ash-forming compounds distributed throughout coal. Major types of analysis are proximate analysis, ultimate analysis and calorific value analysis. Heat value or calorific value determines energy content of …
Published in International Journal of Energetic Materials · Vol. 5, Issue 2, 2019 · pp. 42–60 Read article