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571 articles for “Simulation technique”
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Joint Estimation of CSI and IQ Imbalance, and Compensation of IQ Imbalance in Spatialy Multiplexed MIMO-OFDM Receivers
Abstract: This study presents a novel method for estimating Channel State Information (CSI) and IQ imbalance and compensating IQ imbalance in a spatially multiplexed MIMO OFDM receiver. Our approach integrates estimation of IQ imbalance with CSI estimation using an OFDM training frame, thus eliminating the need for additional pilot symbols for IQ imbalance estimation. This technique streamlines the process and avoids extra overhead. We conducted simulations on a 2×2 spatially multiplexed …
Published in Journal of Microwave Engineering and Technologies · Vol. 12, Issue 2, 2025 · pp. 11–17 Read article
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Aerodynamic Flow Separation Control Using Active Flow Devices
Abstract: Flow separation remains a significant challenge in aerodynamic applications, often leading to increased drag, loss of lift, and reduced efficiency in air and ground vehicles. This study investigates the use of active flow control (AFC) devices to mitigate flow separation and enhance aerodynamic performance. Active methods such as synthetic jets, plasma actuators, and pulsed blowing are examined for their ability to dynamically manipulate boundary layer behavior and delay or suppress …
Published in Journal of Aerospace Engineering & Technology · Vol. 15, Issue 3, 2025 · pp. 1–7 Read article
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Development of Polymer Based SRAM Cell with Enhance Low Power Performance
Abstract: Low-power memory technologies are in high demand with the rapid growth of portable electronics and energy-efficient computing systems. Static random-access memory (SRAM) plays a crucial role in processors, cache memories, and system-on-chip applications due to their speed and reliability. Static Random Access Memory (SRAM) is typically implemented using complementary MOS (CMOS) technology, which integrates both PMOS (P-channel Metal–Oxide–Semiconductor) and NMOS (N-channel Metal–Oxide–Semiconductor) transistors. However, as technology scales to deep submicron …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 1439–1448 Read article
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A Secure Storage Model with Authentication and Optimal Key Generation Based Encryption
Abstract: In digital forensics, ensuring the secure storage of digital evidence is crucial. This paper introduces a new method that uses advanced encryption and key generation techniques to protect digital evidence throughout an investigation. Cloud forensics, a modern approach to digital forensics, aims to safeguard evidence from online hacking. However, storing all evidence in one central location can reduce its reliability. To address this, we propose a digital forensics architecture for …
Published in Journal of Control & Instrumentation · Vol. 17, Issue 1, 2026 · pp. 7–13 Read article
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Design and Analysis of Energy-Efficient GDI Cell and Its Impact on Multipliers
Abstract: VLSI design technology suffers from three major issues such as area, speed and power. Among these issues, power is a serious concern that is yet to be considered. So, in this paper, power is concerned more as compared to area and speed. GDI (gate diffusion input) is one of the common techniques used in VLSI design systems to reduce power consumption. Due to its high performance and less area overhead, …
Published in Journal of VLSI Design Tools and Technology · Vol. 4, Issue 2, 2014 · pp. 32–36 Read article
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Improvement of Energy Consumption in Wireless Sensor Networks
Abstract: AbstractA WSN is a set of nodes structured to form a network which are wireless in nature. Routing is a significant technology in this network. A sensor network is composed with vast number of little sensors. All sensor nodes are well-defined with specific parameters in word of energy. Data transmission in wireless communication takes more power than data processing. When the nodes are sending additional number of data, proportionately their …
Published in Journal of Computer Technology & Applications · Vol. 8, Issue 2, 2017 · pp. 1–6 Read article
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An Enhanced Fish Feed Supplemented with Probiotics and Spirulina Formulation for Commercial Production
Abstract: In recent years, the probiotics isolated from fish gut microbiota is used in aquaculture practices as there is a demand to improve the quality of life of fishes. The aim of the study is to isolate probiotic microbe from the gut of Etroplus suratensis and to evaluate the most suitable probiotic for feed formulation. Two bacterial isolates from the gastrointestinal tract (GI) of Etroplus suratensis was evaluated for probiotic properties. …
Published in Research and Reviews: A Journal of Microbiology and Virology · Vol. 10, Issue 2, 2020 · pp. 1–7 Read article
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Dynamic Modelling of Natural Draft Cooling Tower (Case Study of Notore Chemical Company)
Abstract: Determining the impact of air, water, and temperature flow rates on the cooling tower of Notore Chemical Industries is the aim of this study. Using a dynamic and simulation model derived from fundamental ideas, this study produced a model equation for an ordinary differential equation. The Runge-Kulta ODE45 technique, which was implemented in MATLAB R2022A, was then used to solve the model equation.The twenty-four-hour simulation runs at one-hour intervals. To …
Published in Journal of Petroleum Engineering & Technology · Vol. 13, Issue 3, 2023 · pp. 18–24 Read article
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Performance Analysis of Induction Motor using DTC Technique
Abstract: AbstractDirect Torque Control is a control method used for high-performance torque control in AC drive systems. The standard DTC drive includes a couple of hysteresis comparators, a flux and torque estimator and a selection table for voltage vectors. Torque and flux are governed simultaneously by implementing appropriate voltage vectors, and de-coupling control of torque and flux can be accomplished by restricting these amounts within their hysteresis bands. The DTC requires …
Published in Journal of Instrumentation Technology & Innovations · Vol. 9, Issue 2, 2019 · pp. 11–18 Read article
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Toxicology-Focused Development and Validation of an RP-HPLC Technique for Quantifying Bempefoic Acid and Rosuvastatin in a Fixed-Dose Combination
Abstract: A straightforward, precise method was developed to simultaneously assess Bempedoic acid and Rosuvastatin in both bulk and tablet forms. Utilizing a DIKMA Spursil C18 column (4.6 mm x 250 mm, 3.0 μm), chromatography was conducted with a mobile phase comprising 30% phosphate buffer and 70% acetonitrile, flowing at 1 ml/min. Operating at ambient temperature, the optimized wavelength for detection was set at 240 nm, revealing retention times of 4.418 min …
Published in Research and Reviews: A Journal of Toxicology · Vol. 14, Issue 2, 2024 · pp. 1–9 Read article
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FPGA-based Multichannel Digital Duty-Cycle Modulation and Application to Simultaneous Generation of Analog Signals
Abstract: The DCM (duty-cycle modulation) is used in industrial electronics as a special technique for producing switching time-varying periodic waves, with variable pulse width and modulation period. As an implication, unlike the fixed period of a PWM wave, the cyclic ratio of a DCM signal changes as a function of the modulating input according to a known function. However, most existing research works related to DCM-based instrumentation systems, are limited to …
Published in Journal of Electronic Design Technology · Vol. 8, Issue 1, 2017 · pp. 23–35 Read article
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Implementation of Internet Access in MPLS-VPN Technique on ISP
Abstract: Abstract: This paper proposes internet access along with MPLS VPN network to provide internet connectivity. MPLS VPN network are service provider that provide MPLS Layer 3 VPN service connectivity for customer. Usually customer request internet access from the service provider that contains access. It is possible, that in case of MPLS VPN service provider can provide internet access for customer as well. Internet access for VPN can customer can be …
Published in Journal of Telecommunication, Switching Systems and Networks · Vol. 6, Issue 1, 2019 · pp. 25–31 Read article
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An Adaptive Approach for Real-Time Embedded System Design, Analysis and Optimization
Abstract: Real-time embedded systems are critical components in various domains, such as automotive, aerospace, healthcare, and industrial automation. The design, analysis, and optimization of these systems are vital to ensure their reliable and efficient operation. In this paper, we propose an adaptive approach for real-time embedded systems that aims to address the challenges faced during the development process while maintaining high-quality results. Our approach leverages adaptive techniques to dynamically adjust the …
Published in International Journal of Solid State Innovations & Research · Vol. 1, Issue 1, 2023 · pp. 8–14 Read article
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Design and Simulation of Improvement of Voltage Profile by Efficient Placement of Distributed Generation in Micro Grid
Abstract: The headway of Decentralized Generators or Distributed Generation (DG) acquaints new changes with the since a long time ago settled power framework. Dissemination Generation plays a prime capacity in conveyance framework by updating the frameworks unwavering quality, abridgement in power misfortunes and elevating the voltage profile. This paper proposes a scientific way to deal with catch the ideal size and ideal portion of DG substances in reconfigured appropriation system to …
Published in Trends in Electrical Engineering · Vol. 10, Issue 2, 2020 · pp. 1–8 Read article
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Power Reduction at 90 nm through Circuit Level Modification
Abstract: Along with dynamic power, leakage power has turned out to be a major contributor to the overall power consumption in VLSI circuits. This problem is even more stringent in nano-scale dimension devices according to the International Technology Roadmap for Semiconductors (ITRS). As the technological advancements demand more function per device with a significant shrinking in device dimension, heat per unit area is also escalating at an elevated rate. This turns …
Published in Journal of VLSI Design Tools and Technology · Vol. 2, Issue 1-2-3, 2012 · pp. 101–107 Read article
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Computational Fluid Dynamics Simulations of Horizontal Wellbore Cleaning and Cement Placement Processes in Drilling and Completions Engineering Applications
Abstract: Mathematical modeling and simulations of complex coupled processes require both robust and accurate physics-based techniques. Computational fluid dynamics (CFD) have been used extensively in a wide range of fields such as aerospace, automotive, and chemical processing industries to name a few. Typically, processes during drilling and completion of wells involve modeling of complex rheology fluids, turbulence modeling, multiphase phenomena, and heat transfer. Each individual process could possibly result in a …
Published in Journal of Petroleum Engineering & Technology · Vol. 2, Issue 1-3, 2012 · pp. 26–39 Read article
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Multiband Antenna Designing using Proximity Coupled Technique
Abstract: AbstractIn this paper, author proposed a multiband antenna a circular patch and proximity coupled feeding technique. This feeding technique not only showed good result, it made the antenna multiband as well. Author fabricated this antenna to compare it with simulation result and found that fabrication results are also promising. This simulated antenna is a miniaturized four-band antenna which has the capability to operate at four distinguished frequencies. This proposed design …
Published in Current Trends in Signal Processing · Vol. 8, Issue 3, 2018 · pp. 13–17 Read article
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Evaluation of microstructure properties and characterization of fracture locus of AA5083 through equal channel angular pressing techniques
Abstract: In this investigation, a commercially available aluminium alloy called AA5083 was subjected to two passes of equal channel angular pressing utilising a route B_C at room temperature for this experiment. To evaluate the effect of AA5083, the microstructure, mechanical attributes, and wear parameters of the alloy were examined both prior to and subsequent to undergoing this technique. Using an optical microscope, microstructural investigations were performed on the pressed alloy's flow …
Published in Journal of Polymer & Composites · Vol. 12, Issue 1, 2024 · pp. 270–286 Read article
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An Innovative Fuzzy-Enhanced Black Widow Spider Optimization for Energy-Efficient Cluster Communication Through the Selection of the Ideal Cluster Head
Abstract: This paper presents a novel approach to enhance energy efficiency in cluster-based wireless sensor networks (WSNs) by integrating fuzzy logic with the black widow spider optimization (BWSO) algorithm. The focus of the suggested fuzzy-enhanced BWSO approach is on cluster head selection, which is essential for lowering energy consumption and enhancing network performance. The program uses fuzzy logic to assess a number of factors, including network density, node proximity, and energy …
Published in International Journal of Wireless Security and Networks · Vol. 2, Issue 2, 2024 · pp. 28–34 Read article
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PWM Technique based evaluation and performance analysis ofZVS Based Resonant Converter
Abstract: A Zero Voltage Switching (ZVS) based Resonant Converter (RC) has been simulated and the performanceis analyses in this paper. A ZVS based resonant converter working under load independent output voltage and no-load regulation is presented in the paper.Pulse width modulation (PWM) is a technology used to regulate outputvoltage. The major transitions of a full-bridge converter that achieves zero-voltage switching across the whole lineand load range by using a linked inductor …
Published in Journal of VLSI Design Tools and Technology · Vol. 12, Issue 2, 2022 · pp. 42–48 Read article