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750 articles for “Mathematical”
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Linearity Analysis of Traditional Single and Double Balanced Down Conversion Mixers
Abstract: More sophisticated designs of communicating devices are required with tremendous scaling in MOS. Mixers play a vital role in all radio transmitters and receivers. To improve the sensitivity of the receivers, the low noise amplifiers are designed with very high gain. Higher gain of amplifier saturates the preceding sections and forces them to operate in the nonlinear region. MOS based Single Balanced and Double Balanced mixers are the most common …
Published in Journal of VLSI Design Tools and Technology · Vol. 6, Issue 3, 2016 · pp. 22–27 Read article
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Study of Signal Processing Using Applications of Fourier Series
Abstract: This essay discusses the use of the Fourier series in the field of signal processing. It will include the results of various tests performed on the variable and the results it produces in the form of graphical diagrams. In order to acquire the right information exchange, we have observed a variety of distinct frequency pattern graphs. Also, the stated graph of filtered signal provides unique pattern that may find application …
Published in Journal of VLSI Design Tools and Technology · Vol. 12, Issue 3, 2022 · pp. 35–43 Read article
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Protection System Design for Power Distribution System in the Presence of Distributed Generation
Abstract: Investigation was carried out on transformer and bus-bar protection of feeder 1,3,4&6 networks of specially two selected Communities in Egi clan of Ogba Kingdom of Ogba/Egbema/Ndoni Local Government Area of Rivers State such as obagi and oboburu communities respectively. Addressing the three aspects in the design of protection system by determining protection device locations, determining protection device settings, coordination and also mathematical modeling of protective device using MATLAB software for …
Published in Recent Trends in Electronics Communication Systems · Vol. 8, Issue 2, 2021 · pp. 1–16 Read article
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Homogeneous and Heterogeneous Analysis of Water and Ethylene Glycol Based Cu Nano-particle
Abstract: The flow of heat in water Ethylene glycol (C2H6O2) copper based small size particles between two parallel freezing discs along with homogeneous and heterogeneous reactions are greatly and heavily affected by magnetic field. Here, I have considered Magnetic Hydro Dynamics effect perpendicular to the plane surface, while, bottom disk will be considered to be porous. The basic equations such as Navier-stokes, energy, Homogenous and Heterogonous reactions will be used for …
Published in Recent Trends in Fluid Mechanics · Vol. 9, Issue 3, 2022 · pp. 44–55 Read article
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Harmonic Analysis of Full-Wave Diode Bridge Rectifier Circuits
Abstract: This paper analyzes the steady-state harmonic performance of four-diode, single-phase full-wave rectifier bridge circuits. The frequency spectra of the source and load currents are presented. The effect of the load resistance, the source inductance, the smoothing shunt- capacitor as well as the waveform of the supply voltage is illustrated. The approach can also handle cases involving non-sinusoidal sources and non-linear loads. Based on a Mathematica code, the paper presents the …
Published in Trends in Electrical Engineering · Vol. 10, Issue 1, 2020 · pp. 7–21 Read article
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On The Energization and Steady-State Performance of 6-Pulse Diode Bridge Rectifiers Supplying Constant Voltage Loads
Abstract: The paper addresses the analysis of 3-phase 6-pule diode bridge rectifier circuits supplying a special load category representable by constant voltage sources. The applied Mathematica-based solution technique can handle symmetrical and unsymmetrical 3-phase voltages. The presented results include the phase currents on the AC side as well as the magnitude and wave shape of the output current on the DC side. Several case studies demonstrating the impact of the source’s …
Published in Trends in Electrical Engineering · Vol. 11, Issue 1, 2021 · pp. 14–23 Read article
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Optimization of Helical Spring Weight using Meta-heuristic Algorithms
Abstract: Optimization is the act of obtaining the best results under given circumstances. A mathematical theory of optimization is highly in use and is being applied to design where design function can be expressed mathematically. Many techniques like Linear Programming, Branch & Bound technique, Dynamic Programming methods are available to solve optimization problems. But these conventional Methods suffer from certain drawbacks like sticking at suboptimal solution, inefficiency in handling problems having …
Published in Trends in Machine design · Vol. 5, Issue 2, 2018 · pp. 21–28 Read article
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Design, Analysis and Experimental Study of Worm and Worm Gear Pair for Plug Valve Application
Abstract: The present work deals with the design procedure, load carrying capacity, mathematical modelling,analysis of worm and worm gear for plug valve application. The plug valves are used in various fluidservices applications. It performs well in slurry applications. It is also used in air, gaseous servicesand oil piping systems and a like applications. In plug valve the main and important function of theworm gear drive is to reliably transmit torque and …
Published in Trends in Machine design · Vol. 8, Issue 1, 2021 · pp. 11–20 Read article
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Power Estimation Approach for Artix 7 FPGA using Machine Learning Technique
Abstract: Abstract This paper presents the power estimation approach using a suitable machine learning technique. Artix7 FPGA has been chosen as the target FPGA (Field Programmable Gate Arrays) platform for understanding the methodology of power estimation. There are various approaches of power estimation for FPGAs that have been given in the literature viz. probabilistic, statistical, and LUT-based, etc. In the past few years, the demand for hand-handled devices like smartphones, tabs, …
Published in Research & Reviews: A Journal of Embedded System & Applications · Vol. 9, Issue 1, 2021 · pp. 1–5 Read article
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Siri Bhuvalaya – An Ancient Universal Archive of Knowledge in Jain Tradition
Abstract: Siri Bhuvalaya, attributed to the Jain monk Kumudendu around the 11th century C.E., represents a unique multidimensional literary work that outshines conventional textual forms. Encoded through complex numerical matrices known as chakras and combinatorial rules called bandhas, it preserves a vast interdisciplinary compilation encompassing philosophy, mathematics, astronomy, chemistry, medicine, and linguistics. The text embodies Jain doctrines of pluralism and conditional truth by enabling multiple valid readings across over 700 languages. …
Published in International Journal of Trends in Humanities · Vol. 3, Issue 2, 2026 · pp. 10–14 Read article
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Physics-Adaptive Digital Twin with Neural-Operator Reduced-Order Modelling
Abstract: This study proposes a novel Physics-Adaptive Digital Twin with Neural-Operator Reduced-Order Modelling (PADT-NO) framework for predictive modelling of complex, nonlinear, and multiscale fluid flows. The proposed mathematical framework integrates fundamental conservation laws, Navier–Stokes dynamics, physics-constrained neural operators, adaptive reduced-order modelling, and uncertainty-aware state estimation within a unified computational architecture. Unlike conventional computational fluid dynamics and purely data-driven approaches, the proposed model dynamically couples high-fidelity physical information with a low-dimensional latent …
Published in Recent Trends in Fluid Mechanics · Vol. 13, Issue 2, 2026 · pp. 89–103 Read article
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Extraction of Road from Satellite Images Using Morphology and Active Contours
Abstract: AbstractRoad extraction from a satellite image plays a vital role in traffic management, urban planning and GPS navigation after updating maps. Many methods are available for road extraction, which include mathematical morphology, LEGION networks, road vectors, level set and mean shift, etc. A novel method is presented in this paper which uses mathematical morphology, filtering and active contours for extraction of selected part of road. The proposed algorithm is tested …
Published in Journal of Artificial Intelligence Research & Advances · Vol. 6, Issue 1, 2019 · pp. 1–7 Read article
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Discrete Cryptography
Abstract: The theory of Public Key Cryptography (PKC) was introduced by Diffie and Hellman [2]. There was the key agreement protocol based on the Discrete Logarithm Problem (DLP) in 1976. In 1985, ElGamal [1] applied the concept of [1] and presented the first real and practical PKC. The security of this PKC interacts with the hardness of DLP. The discrete cryptography is presented in this paper. Cryptography interacts with the hard …
Published in Journal of Multimedia Technology & Recent Advancements · Vol. 7, Issue 2, 2020 · pp. 1–3 Read article
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Discrete Logarithm and Cryptosystem
Abstract: We formulate a new DLP and designed a PKC. Our ProposedDiscrete Logarithm Problem (PDLP) is distinct from the Traditional Discrete Logarithm Problem (TDLP), which is proved in this paper. We use this PDLP for design a PKC. Our claim that, this PKC is more secure than the previous PKC’s, because a one reason is enough in support of this statement that, the PDLP is more complex problem because the computation …
Published in Journal of Open Source Developments · Vol. 7, Issue 2, 2020 · pp. 15–17 Read article
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Optimal Simultaneous Power and Rate Adaption of Communication System over Inverse Gamma Shadowed Channels
Abstract: Adaptive capacity analysis to model various emerging wireless fields like vehicle to vehicle communication, cellular and off-body communication based on inverse gamma shadowed fading mathematical model is derived. The derived algebraic model for optimal simultaneous power and rate adaption (OPRA) is mathematically tractable in terms of numerical and analytical handling. A novel closed form model for OPRA is derived in terms of Digamma and Meijer’ s-G functions. This derived exact …
Published in Journal of Operating Systems Development & Trends · Vol. 6, Issue 1, 2019 · pp. 23–26 Read article
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Greedy Algorithm
Abstract: In mathematics and computer science, an algorithm is a self-contained step-by-step set of operations to be performed. Algorithms exist that perform calculation, data processing, and automated reasoning. A greedy algorithm is an algorithm that follows the problem solving heuristic of making the locally optimal choice at each stage[1] with the hope of finding a global optimum. In many problems, a greedy strategy does not in general produce an optimal solution, …
Published in Research & Reviews: Discrete Mathematical Structures · Vol. 2, Issue 2, 2015 · pp. 10–14 Read article
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Detect the Edges in Satellite Image Using CED Algorithm
Abstract: Edge detection is that the name for a collection of mathematical strategies that aim at distinguishing points in a very digital image at that the image brightness changes sharply or, a lot of formally, has discontinuities. The points at that image brightness changes sharply square measure generally organized into a collection of flexuous line segments termed edges. Constant drawback of finding discontinuities in 1D signal is understood as step and …
Published in Research & Reviews: Discrete Mathematical Structures · Vol. 2, Issue 3, 2015 · pp. 30–35 Read article
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R-L-F Integral and Double Dirichlet Average of the R-Series
Abstract: AbstractThe object of the present paper is to establish a result of double Dirichlet average of the R-series by using Riemann-Liouville fractional integral. The R-series can be measured as a Dirichlet average and connected with fractional calculus. In this paper, the solution comes in compact form of double Dirichlet average of R-series. The special cases of our results are same as earlier obtained by Saxena et al, for double Dirichlet …
Published in Research & Reviews: Discrete Mathematical Structures · Vol. 4, Issue 2, 2017 · pp. 1–6 Read article
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Computable Extension of New Advanced Fractional Kinetic Equation
Abstract: AbstractFirst, we obtain computable extensions of advanced fractional kinetic equation. The aim of this survey is to explore the behavior of physical and biological systems from the point of view of fractional calculus. Fractional calculus, integration and differentiation of an arbitrary or fractional order, provide new tools that expand the descriptive power of calculus beyond the familiar integer-order concepts of rates of change and area under a curve. Fractional calculus …
Published in Research & Reviews: Discrete Mathematical Structures · Vol. 4, Issue 2, 2017 · pp. 26–32 Read article
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Reliability Analysis of an Infinite Range Failure Model under Different Prior Distributions
Abstract: AbstractA failure rate model has been selected for the present study and Bayesian estimates of reliability and hazard rate functions of that model have been obtained. The prior distributions considered for this study are, uniform and inverted gamma distributions. Since, the same mathematics is required for the study of survival analysis that is why the estimate of survival function has also been obtained in this paper.Keywords: Reliability function, hazard function, …
Published in Research & Reviews: Discrete Mathematical Structures · Vol. 4, Issue 3, 2017 · pp. 51–73 Read article