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241 articles for “signal”
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Using an Embedded System for Accurately Diagnosis of Bone Tumors and of Selection of the Best Treatment in Real Time
Abstract: An embedded system is the use of a combination of a programmable device and software to operate that device in order to perform a specific desired operation. The article presents a developed embedded system that combines an IR spectrophotometer and a programmable logic controller (PLC), controlledby a specially developed "Spectrum" program for accurately diagnosis of bone tumors and of selection of the optimal treatment for the detected disease in real …
Published in International Journal of Embedded Systems and Emerging Technologies · Vol. 7, Issue 2, 2021 · pp. 27–32 Read article
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Integration of Electronic Devices and the current applied MOS Techniques
Abstract: This is a research based review of the comprehensive view of our understandings for VLSI which is evolved from integrated circuits with a numbers of transistors ranging from several billions of devices which also include chip and sensors. The VLSI concept based design and implementation are categorized accordingly. It deals with architectural factors, which also describe these for both general-purpose and digital systems and their coexistence with analog, mixed-signal and …
Published in International Journal of Microelectronics and Digital integrated circuits · Vol. 1, Issue 1, 2015 · pp. 7–15 Read article
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Equivalent Circuits For High Frequency Bipolar Transistors
Abstract: Two types of equivalent circuits were considered to represent small signal/linear bipolar transistor behaviour at high frequencies. Elements/Parameters of the equivalent circuits are extracted from measured S parameters using gradient method by Fletcher-Powell. Exact gradients of S parameters were determined by using gradient conversion matrix formula between two-port open circuit impedance parameters and two port scattering parameters. Good agreement between measured and simulated all the four two port S parameters …
Published in International Journal of Microelectronics and Digital integrated circuits · Vol. 3, Issue 1, 2017 · pp. 1–9 Read article
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4-Channel Relay Driver Circuit and PCB Design
Abstract: Relay means “the act of passing something from one thing to another” the same thing can beapplied to devices because the signal received from one side of the device controls theswitching operation on the other side. So relay is a switch which controls (open and close)circuits electromagnetically. Relays plays an important role in protection of power systemand are frequently used in our electronic applications especially when we need to drive …
Published in International Journal of Microelectronics and Digital integrated circuits · Vol. 6, Issue 1, 2020 · pp. 1–7 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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Efficiency of Super Heterodyne Fabricated Matter
Abstract: Nano fabrication efficacy has been efficient features to the system of Bluetooth low energy (BLE) from assigned overcome from discrete-time (DT) superheterodyne receiver (RX). Additional characteristic of DT-RX system is for applicability to internet-of-things (IoT), commercial Bluetooth and 2G cellular radios, while alternative to software-defined radio applicability. Implicative produce has furnished evolve of programmable capacitor for switched-capacitor (SC) structure. Program has added to flex digitally intensive scriptive system, which has …
Published in International Journal of Microelectronics and Digital integrated circuits · Vol. 7, Issue 2, 2021 · pp. 1–8 Read article
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Arduino Microcontroller-based Gas Leakage Detection and Accident Prevention Alerting System
Abstract: This paper aims to propose and discuss a design of a gas leakage detection system that can automatically sense, an alert signal generated and control gas leakage by a user. This proposed system also includes an alerting by buzzer sound and the users control gas leakage. The system is based on a sensor that easily senses a gas leakage. The liquid petroleum gas (LPG) leak detector model is a compact …
Published in International Journal of Microelectronics and Digital integrated circuits · Vol. 8, Issue 1, 2022 · pp. 14–18 Read article
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T-π, π-T Network Conversion for Three Identical Impedances and Equivalent Thevenin Networks Using Pspice Software
Abstract: Conversion methods of T-π (star-delta) π-T for impedances circuits, the behavioural modeling of Pspice simulation program is used to obtain equivalent circuits for two types of passive equivalents consisting of three impedance/resistance in two configurations using LAPLACE option of analog behavioural modelling. The conversions are verified for two types of circuits by obtaining AC values of voltages and currents at various nodes and branches using Pspice computer simulations. Two port …
Published in International Journal of Microelectronics and Digital integrated circuits · Vol. 9, Issue 1, 2023 · pp. 8–25 Read article
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Low Power, High Reliability: A Survey of 10T SRAM Cells for Reduced Stand by Power and Enhanced Noise Resilience
Abstract: With a focus on maximising power efficiency and attaining good read stability and write-ability, the project presents a low standby power 10T (LP10T) SRAM cell. The Schmitt-trigger inverter and the double-length pull-up transistor are combined with a regular inverter and stacked transistor to form a robust cross-coupled structure used in the LP10T SRAM cell. One of the key advantages of the LP10T SRAM cell is that it separates the read …
Published in International Journal of Microelectronics and Digital integrated circuits · Vol. 9, Issue 1, 2023 · pp. 34–56 Read article
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Blood Group Prediction Using Fingerprint
Abstract: There is a widespread need worldwide for a cost-effective solution to measure blood groups, especially critical in underprivileged regions. Leveraging Image Processing, a prevalent technology in both affluent and resource-limited areas, presents a viable option for addressing this demand. This project advocates for the use of Image Processing algorithms and detection models to non-invasively ascertain blood groups. Its goal is to offer workable solutions for creating a point-of-care instrument that …
Published in International Journal of Microelectronics and Digital integrated circuits · Vol. 9, Issue 2, 2023 · pp. 1–6 Read article
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Design and Analysis of Rectangular Microstrip Patch Array Antenna for ISM Band Applications
Abstract: In this paper, we have achieved an efficient rectangular patch antenna with optimized parameters. Antennas are key components of any wireless system. A microstrip patch antenna (MPA) is a small size antenna used to process ultrahigh frequency signals. A microstrip antenna is commonly called as patch antenna and here we are using rectangular patch. The conducting patch can take any shape, but rectangular configurations are the most commonly used. The …
Published in International Journal of Microwave Engineering and Technology · Vol. 2, Issue 1, 2016 · pp. 1–6 Read article
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TRANSMISSION PARAMETERS OF TWO PORT CIRCUITS USING SPICE SIMULATION
Abstract: Models for linear two port analysis are given. The ABCD parameter determination using SPICE2/Pspice is carried out. While the first procedure and files are for the calculation of ABCD parameters where the circuit is purely resistive and dependent sources, the second is for general two port network using linear elements and small signal models of active devices. In the second method the frequency description of analog behavioral modeling options of …
Published in International Journal of Microwave Engineering and Technology · Vol. 3, Issue 1, 2017 · pp. 11–17 Read article
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Power Amplification based on Bulk-Drive
Abstract: ABSTRACTThis paper presents a fully integrated, low transmit-power and high-efficiency power amplifier (PA) for low-power transmitters such as wireless sensor networks (WSN). Power Amplification is a major problem in power system network all over the world, which is illegal and should be strictly prohibited, it is highly impossible due to the linear relation between Voltage and Current. Power amplification can be defined as the amplification of the electrical power without …
Published in International Journal of Microwave Engineering and Technology · Vol. 5, Issue 2, 2019 · pp. 21–29 Read article
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Design CMOS Low Power High Speed Digital 4-Bit Counter at 45 GPDK Technology
Abstract: The low power VLSI circuit is meant to reduce power consumption, chip size, and improve the system'sbattery life and performance. The scaling design, often known as a counter, is used to increase ordecrease the values of an operator based on its prior state. Frequency and time may be monitoredthroughout the counting process. The main issue with scaling circuits is power consumption caused bypower dissipation in the clock while it is …
Published in International Journal of Microwave Engineering and Technology · Vol. 9, Issue 1, 2023 · pp. 40–51 Read article
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Quad Port Fractal MIMO antenna loaded with SRR for Wireless Applications
Abstract: This study presents a comprehensive discussion on a Quad port Fractal Multi Input Multi Output(MIMO) antenna incorporating Split Ring Resonator (SRR) technology. The use of Multiple-InputMultiple-Output (MIMO) antennas in wireless applications is a basic technological advancement withthe objective of augmenting both the channel capacity and data rates. Multiple Input Multiple Output(MIMO) antenna technology is widely used in various applications to improve wireless communicationperformance. One crucial concern associated with Multiple-Input Multiple-Output …
Published in International Journal of Microwave Engineering and Technology · Vol. 9, Issue 1, 2023 · pp. 31–39 Read article
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Fibonacci Series for Hybrid Symmetrical Multilevel Inverter Topology Using Different PWM Strategies
Abstract: Multilevel inverters are suggested to obtain high superiority output voltage. In this paper, a new hybrid configuration is proposed, obtained by cascading one four switches H-bridge cell with a family of multilevel inverters. In addition, by the use of specific sequence for value of DC sources named Fibonacci series, new topology of proposed inverter is introduced. Main advantages are that planned inverter has least Peak Inverse Voltage (PIV) than other …
Published in International Journal of Power Electronics Controllers and Converters · Vol. 2, Issue 1, 2016 · pp. 54–60 Read article
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A Review on Bacterial Foraging Optimization
Abstract: Bacterial foraging optimization algorithm (BFOA) is based on the social and cooperative behaviour found in nature. Bacteria look for nutrients in nature in an optimized manner such that it improves its nutrient level as well as it also helps other bacteria to find the nutrient by attracting them towards the food bacteria are looking for nutrients so that the energy extracted per unit time is maximized. Through sending signals, individual …
Published in International Journal of Power Electronics Controllers and Converters · Vol. 5, Issue 2, 2019 · pp. 19–29 Read article
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Denoising of Computer Tomography images using Wavelet based Multiple Thresholds Switching (WMTS) filter
Abstract: Computer Topography images are often corrupted by salt and pepper noise during image acquisition and /or transmission, reconstruction due to a number of non-idealities encountered in image sensors and communication channels. Noise is considered to be the number one limiting factor of CT image quality. A novel decision-based filter, called the wavelet based multiple thresholds switching (WMTS) filter, is used to restore images corrupted by salt-pepper impulse noise. The filter …
Published in International Journal of Telecommunications & Emerging Technologies · Vol. 1, Issue 1, 2015 · pp. 1–6 Read article
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Design of Transmitter and Receiver to Reduce PAPR and ISI in Multi-Carrier OFDM System: A Review
Abstract: In wireless communication, concept of the parallel transmission of symbols is used to achieve high throughput and better transmission quality. Orthogonal Frequency Division Multiplexing (OFDM) is one of the techniques for parallel transmission and it converts frequency selective fading channel into N flat fading channels, where N is the number of sub-carriers. orthogonality is maintained by keeping carrier spacing multiple of 1/Ts by using Fourier transform methods, where Ts is …
Published in International Journal of Telecommunications & Emerging Technologies · Vol. 3, Issue 1, 2017 · pp. 43–51 Read article
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Image Denoising Based on Wavelet Transform Using Weighted Highpass Filtering Coefficient and Various Filters
Abstract: Abstract— Image denoising (ID) is a material issue found in various image processing (IP) for preservation of image quality and information. There are numerous technique of denoising image. The most necessary property of ID model is that it should completely reduce noise as much as possible and edge preservation. Various algorithm has been developed in past but still it has scope for enhancement. This paper gives a insight view of …
Published in International Journal of Telecommunications & Emerging Technologies · Vol. 3, Issue 2, 2017 · pp. 1–7 Read article