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379 articles for “Frequency analysis”
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Knowledge and Practices of Mothers Health on Malnutrition Prevention in Under-Five Children at Selected Community Area, Kanpur Nagar
Abstract: Background: Malnutrition is a common concern among children under five years old, particularly during their crucial growth years. Maintaining a nutritious and well-balanced diet is crucial for prevention. Consuming regular meals – such as three smaller meals along with two to three nutritious snacks daily – while ensuring sufficient intake of protein and carbohydrates can help lower the risk of malnutrition. Objectives: To assess mothers’ knowledge regarding malnutrition in children …
Published in Research and Reviews: A Journal of Health Professions · Vol. 15, Issue 2, 2025 · pp. 50–62 Read article
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Vibration and buckling analysis of functionally graded beams using a new beam element
Abstract: . In present paper, an analysis of free vibration and buckling of functionally graded beams using a finite element model based on first-order shear deformation theory is presented. The present work demonstrates a finite element programme using a five node beam element with thirteen degrees of freedom with one degree of freedom at the mid node and three degrees of freedom at each remaining four nodes. Power – law governs …
Published in Journal of Structural Engineering and Management · Vol. 6, Issue 1, 2019 · pp. 8–17 Read article
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A Study to Assess the Knowledge and Attitude of Student Nurses Regarding Computer Application in Nursing Curriculum
Abstract: A study to assess the knowledge and attitude of student nurses regarding computer applications in nursing curriculum. B. Sc. Nursing 1st year students in Nightingale Institute of Nursing, Noida was undertaken by Prof Kalpana Mandal, Associate Professor Lekha Singh, Lecturer G. Sonia at Nightingale Institute of Nursing, Noida, Chaudhary Charan Singh University, during the year 2011-13. The objectives of the study were: (1) To assess the knowledge of computer application …
Published in Journal of Nursing Science & Practice · Vol. 4, Issue 3, 2014 · pp. 7–17 Read article
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Analysis and Identification of Malicious Mobile Applications Using Machines Learning
Abstract: Over the past few years, malware attacks on the Android platform have surged, posing significant risks to users' financial security, personal information, and device integrity. In the first half of 2019 alone, approximately 25 million smartphones were infected, highlighting the severity of these threats. The model ranks manifest features based on their frequency in normal and malicious apps, identifying key components that distinguish benign from malicious applications. To improve detection …
Published in Journal of Microcontroller Engineering and Applications · Vol. 12, Issue 2, 2025 · pp. 17–24 Read article
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Review And Analysis of Application of Conductive Polymer Composites in Power-Efficient RF Circuits For 5G PAPR Reduction
Abstract: The need for low power RF circuits has gained more importance in the background of fifth-generation (5G) wireless communication systems, since the inherent PAPR characteristic of 5G signals—especially when using orthogonal frequency division multiplexing (OFDM) based techniques—becomes high. This high PAPR limits the efficiency of RF power amplifiers, increases power consumption, and induces thermal management challenges. In this context, conductive polymer composites (CPCs), based on advanced polymer matrices integrated with …
Published in Journal of Polymer & Composites · Vol. 13, Issue 3, 2025 · pp. 111–125 Read article
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Thermal Stability and Sound Absorption Behaviour of Sisal–Luffa Hybrid Epoxy Composites for Automotive Interior Applications
Abstract: Natural fiber–reinforced composites are gaining popularity as substitutes for synthetic fiber composites because of their environmental and sustainability advantages. Their adoption is steadily increasing across various industries. In automotive interior applications, these materials must exhibit strong thermal stability and efficient sound absorption to meet performance requirements. In this experiment, composites were made by mixing sisal and luffa fibers with epoxy resin. The hand lay-up method was used for fabrication. Two …
Published in Journal of Polymer & Composites · Vol. 14, Issue 2, 2026 · pp. 144–157 Read article
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Emotion Recognition based on Human voice tones
Abstract: In this period of technology and automation, human interaction with machines has become an unavoidable occurrence. Machines are making our lives much easier, stretching their hands wherever it is possible for smoother operation of various tasks. Emotion recognition system is one of the system that can help humans for a much easier and meaningful interaction with machines. It can be used in various branches such as artificial intelligence, health care, …
Published in Current Trends in Information Technology · Vol. 10, Issue 2, 2020 · pp. 1–5 Read article
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Analysis of N-Slot Loaded Patch Antenna for Tripple Band Operation
Abstract: ABSTRACT In this paper, the analysis of N-slot loaded microstrip antenna having single and double dielectric layer with coaxial feeding is presented using circuit model analysis. The antenna gives triple resonance and the separation between these resonances depends on the dimension of the slot. This antenna gives wide bandwidth for all three resonant frequencies for single dielectric and gives four bandwidths for double dielectric layer. It is observed that the …
Published in Journal of Communication Engineering & Systems · Vol. 2, Issue 3, 2012 · pp. 11–19 Read article
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Comparison Between Theoretical, Analytical and Experimental Vibration Analysis Method and Different Circular Tile Cutter by Using FFT and ANSYS
Abstract: Circular cutters with uniform radial cracks are extensively used in the cutting processes. Unwanted noise, vibration and accidental failure associated with the cutting process have become an important economic and technological problem in the industry. The knowledge of natural frequencies of components is of great interest in the study of response of structures to various excitations. Hence, it is important to study a circular tile cutter with central hole, which …
Published in Journal of Mechatronics and Automation · Vol. 2, Issue 3, 2015 · pp. 31–42 Read article
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Performance Analysis of OFDM System Using Non-conventional Transform and Non-conventional Mapping Schemes over Rayleigh Channel
Abstract: ABSTRACT High data rate wireless transmission is required to meet the rapidly increasing demands for mobile communications. Fast Fourier transform (FFT)-OFDM has drawn much attention due to its simple implementation and robustness against frequency-selective fading channels. Recently, the advantages of the discrete cosine transform (DCT)-based OFDM have come to the light. In this paper, performance of the conventional FFT-OFDM system is compared with non-conventional DCT-OFDM in terms of bit error …
Published in Journal of Communication Engineering & Systems · Vol. 2, Issue 1, 2012 · pp. 13–20 Read article
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Synthesis of Glass Fiber Reinforced Polymer Composites Incorporating MWCNTS and Graphene: A Study on Dynamic Mechanical Behavior and Cole–Cole Representation
Abstract: Glass fiber reinforced polymer (GFRP) composites were fabricated using multi-walled carbon nanotubes (MWCNTs) and graphene as nanofillers through the hand lay-up technique. Two sets of composites were prepared by incorporating MWCNTs and graphene separately into the epoxy resin matrix at varying weight percentages (2%, 4%, 6%, 8%, and 10%). Mechanical and viscoelastic properties were evaluated following ASTM standards, and Dynamic Mechanical Analysis (DMA) was performed to study their mechanical and …
Published in Journal of Polymer & Composites · Vol. 14, Issue 2, 2026 · pp. 1411–1403 Read article
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Alzheimer disorders diagnosis system design using machine learning for EEG signal
Abstract: The diagnosis of Alzheimer's disorders (AD), a prevalent neurological disorder, can created by utilising a range of therapeutic methods, including the electroencephalogram (EEG), which has been especially successful in the past. The objective for this study is to develop a computer-aided diagnosis tool which may recognize AD from EEG data. The EEG information was cleaned up with a band-pass elliptic digital filter to remove any interference or disruptions. The filtered …
Published in Journal of Control & Instrumentation Read article
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Time and Frequency Response of Non-uniform Overhead Lines Under Corona
Abstract: This study presents an efficient and direct technique for determining both the time and frequency responses of non-uniform overhead power transmission lines operating under corona conditions. The assumed-line's non-uniformity is due to the conductors’ sag. Expressions will be presented for the location-dependent line surge impedance and the unevenly distributed lines’ electrical parameters. The analysis starts with solving the relevant system of differential and algebraic equations, subject to the boundary conditions. …
Published in International Journal of Electrical Machine Analysis and Design · Vol. 2, Issue 2, 2024 · pp. 25–33 Read article
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Dielectric Polymer Based Tunable Bandpass Filter for RF MEMS Applications
Abstract: In this paper, we report on the design, modeling, and analysis of a tunable bandpass filter implemented in a coplanar waveguide (CPW) configuration, where a distributed MEMS transmission line (DMTL) is integrated with dielectric polymer layers to achieve dynamic frequency and bandwidth reconfigurability. The proposed filter architecture leverages the tunable dielectric response of polymer films, enabling precise control of the center frequency and passband width under applied electrostatic bias. Comprehensive …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 1449–1470 Read article
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Performance Analysis of Single Band PIFA for 4G/LTE Mobile Communication Networks
Abstract: This paper presents a Planer Inverted F Antenna (PIFA) for Fourth Generation (4G) Long Term Evaluation (LTE). The proposed antenna is designed on FR4 substrate and the dimension is 22.5 mm x 18.5 mm x 2.8 mm. The Antenna covers the LTE 40 frequency band application from 2.3–2.4 GHz (resonance at 2.35 GHz). Different performance parameters: return loss, VSWR, radiation pattern, current distribution, gain and efficiency are analyzed. The proposed …
Published in Journal of Microwave Engineering and Technologies · Vol. 3, Issue 3, 2016 · pp. 1–7 Read article
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Detailed Modeling Concepts, Stability Analysis and Emerging Trends in Wind Farm: A Survey
Abstract: Wind is omnipresent and found abundant in nature. This paper deals with an in-depth literature survey of wind energy conversion systems (WECS), their classification, and modeling of various sub-systems of WECS. The control methodologies adopted for transient, voltage, rotor angle, frequency and dynamic stability of WTGs connected to grid to remain within margins, is also studied. In addition to this, different controlling techniques for controlling grid side converter and rotor …
Published in Trends in Electrical Engineering · Vol. 5, Issue 3, 2015 · pp. 89–108 Read article
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Analysis of Fractal based Nested Geometries Built on Design Configurations
Abstract: AbstractFractal antenna based on the nested geometries are proposed and designed in this letter. The paper depicts the design optimization of the nested geometries for multi-rate characteristics. The antenna is fed by waveguide port. The design is obtained at the center frequency 3.5 GHz. Moreover the effect various nested elements have been observed in the geometry. The modification in geometry is introduced using pentagonal elements of the patch. The enhancement …
Published in Journal of Communication Engineering & Systems · Vol. 4, Issue 3, 2014 · pp. 9–17 Read article
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Impact of Transit System on Housing Property Value in Order to Assess Transit-induced Gentrification
Abstract: Today, the rapid transport system (RTS) stands as an indispensable solution to meet the travel demands of urban agglomerations worldwide. Ongoing research in this field underscores its significance. The implementation of RTS not only alleviates city traffic congestion but also contributes to achieving sustainability goals. Furthermore, assessing economic benefits with precision emerges as a crucial parameter for examination and analysis. In this context, a study was conducted to examine the …
Published in Trends in Transport Engineering and Applications · Vol. 11, Issue 1, 2024 · pp. 28–36 Read article
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Signal Integrity Analysis of Single Walled Carbon Nano Tube based Interconnects at 32 nm Technology Node
Abstract: The rising demands for ultra-high-speed processors and portable devices have made the transistor and interconnect scaling a challenging issue in present days. In this work, the impedance parameter of copper and CNT based interconnects are calculated at 32 nm technology node for different lengths. The performances of CNT based interconnects are analyzed and compared with Cu based interconnects in terms of crosstalk. The conventional copper interconnects are not able to …
Published in Journal of Semiconductor Devices and Circuits · Vol. 5, Issue 1, 2018 · pp. 33–42 Read article
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A Review on Energy Storage System Enhancing the Stability of Micro grids
Abstract: Microgrids constitute decentralized energy systems that rely on various distributed renewable energy sources (DERs), such as solar panels, wind turbines, and power and heat production plants. Energy Storage Systems (ESS) help improve the stability and reliability of microgrids by decreasing the intermittent nature of renewable energy sources. This analysis examines how microgrids are classified and how ESS might help improve power quality and system dependability. It explores the many stability …
Published in International Journal of Electrical Machine Analysis and Design · Vol. 3, Issue 1, 2025 · pp. 1–6 Read article