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379 articles for “Frequency analysis”
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Simulation of Propeller Shaft for Composite Material
Abstract: Composites are today widely used to design the automobile components as they have outstanding specific stiffness and strength properties. Weight reduction can be primarily achieved by the introduction of better material. The conventional system uses metallic shaft, has inherent limitations like heavy weight, corrosion, flexibility problems, vibrations, which magnifies with increase in shaft diameter. Advanced composite materials offer the potential to improve propulsion shafting, by reducing weight, bearing loads, alignment …
Published in Current Trends in Signal Processing · Vol. 10, Issue 3, 2020 · pp. 16–31 Read article
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Modal Analysis of RC Masonry Infill Model and Prototype Frames with Openings
Abstract: Modal evaluation is the technique of figuring out the inherent dynamic traits of the shape in phrases of herbal frequencies and mode shapes and the usage of them to create a mathematical version for its dynamic behavior. The dynamics of a structure is defined by frequency and position. Modal evaluation offers the records regarding to exceptional modes of vibration, exceptional form that may be taken up via way of means …
Published in Journal of Structural Engineering and Management Read article
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An Efficient Recursive Least Square (ERLS) Algorithm for Spectral Estimation with the Aid of Wavelet and Artificial Intelligence
Abstract: The spectral estimation technique is used for time frequency signal analysis, speech processing, and other signal processing applications. Some drawbacks of RLS algorithm are that it requires high computational power and the output obtained is numerically instability. So, the spectral efficiency of the signal is affected and a power error occurs in the estimator. In this paper, an efficient recursive least square (ERLS) algorithm is proposed for improving the power …
Published in Current Trends in Signal Processing · Vol. 2, Issue 1-3, 2012 · pp. 1–10 Read article
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From Noise to Insight: An Academic Study of Electrical Signal Processing
Abstract: Electrical signal processing is very important for turning raw, often noisy data into useful and actionable information. This article gives a simple and easy-to-understand summary of the basic ideas and methods used in electrical signal processing, such as filtering, signal representation, modulation, and spectrum analysis. The focus is on how to effectively eliminate noise and interference to improve the quality and dependability of signals. The conversation connects ideas from theory …
Published in Current Trends in Signal Processing · Vol. 16, Issue 1, 2026 · pp. 10–21 Read article
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A Study to Assess the Knowledge Regarding Pradhan Mantri Jan Arogya Yojana (PM-JAY) Among the General Public in a Tertiary Care Teaching Hospital, Kuppam
Abstract: Background: Ayushman Bharat, the flagship scheme of the Government of India, was launched to achieve Universal Health Coverage (UHC) as per the National Health Policy 2017. It aims to address healthcare needs comprehensively by transitioning from fragmented approaches toward a holistic system. Pradhan Mantri Jan Arogya Yojana (PM-JAY) is a pivotal component of this scheme, striving to achieve UHC by providing comprehensive healthcare services to underprivileged families. Assessing public awareness …
Published in International Journal of Community Health Nursing And Practices · Vol. 4, Issue 1, 2026 · pp. 1–6 Read article
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Assessment of Factors Affecting Telebirr (Mobile Money) Project Implementation in the Case of Ethio Telecom Sector
Abstract: Background: Mobile money services facilitate financial transactions through mobile devices, reducing dependence on physical cash and promoting financial inclusion. The Telebirr Mobile Money project by Ethio Telecom is a key initiative in this domain.Objective: This study aims to examine the factors influencing the successful implementation of the Telebirr Mobile Money project within Ethio Telecom.Methods: A census survey was conducted among 75 project team employees at the Lebu and Ayertena branch …
Published in International Journal of Mobile Computing Technology · Vol. 3, Issue 2, 2025 · pp. 13–19 Read article
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Monitoring the Structural Health of RC Beam Lap Splices using Wave Propagation and PZT Sensors
Abstract: This paper describes the use of piezoelectric sensors in a wave propagation-based Structural Health Monitoring (SHM) method to identify lap splices in steel reinforcing bars. Straight and lapped steel bars with lap lengths of 10° and 20° were used for the experiments. Lead Zirconate Titanate (PZT) transducers were employed, one of which served as an actuator to produce stress waves and the other as a sensor to record the signals …
Published in Journal of Experimental & Applied Mechanics · Vol. 17, Issue 2, 2026 · pp. 65–70 Read article
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Pathloss and Coverage Analysis of FM Signals for Terrestrial Communication Design over Akure, Nigeria
Abstract: Accurate analysis of Free Space Loss (FSL) of electromagnetic radiations plays significant roles in the design and planning of terrestrial communication system at radio wave and microwave frequencies. Hence, it remains important to continuously evaluate the dependence of radio waves signal strength on the properties of the propagating medium. This work employed drive test technique and free space loss analysis of some Frequency-Modulated (FM) channels in Akure, Ondo State, Nigeria, …
Published in Journal of Microwave Engineering and Technologies · Vol. 10, Issue 2, 2023 · pp. 8–21 Read article
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Conceptual Design and Static Model Analysis of Landing Gear
Abstract: An aircraft's landing gear system plays a critical role in effectively managing and dissipating kinetic energy generated during the landing impact, as well as mitigating vibrations induced by the aircraft's passage over irregular runway surfaces. This capability is indispensable for the proper functioning of a well-designed landing system. Among the various types of shock absorber landing gear systems employed in aircraft, the oleo-pneumatic shock absorber stands out as the most …
Published in Journal of Polymer & Composites · Vol. 11, Issue 8, 2023 · pp. 145–163 Read article
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Extended Spectrum Beta-Lactamase Production By Acinetobacter baumannii Isolated From Hospital Environment
Abstract: Extended spectrum β-lactamases production was determined by Double Disc synergy test for twenty one bacterial isolates of Acinetobacter bumannii isolated from the hospital environment. This study investigates the prevalence, genetic mechanisms, and clinical implications of ESBL production by A. baumannii. We employed molecular techniques to identify and characterize ESBL genes in clinical isolates, alongside evaluating their susceptibility profiles against a range of antibiotics. These resistant strains were notably associated with …
Published in International Journal of Antibiotics · Vol. 2, Issue 1, 2025 · pp. 71–78 Read article
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A Study to Assess the Knowledge and Attitude on Artificial Intelligence in Health Care Among Nursing Students at a Selected Nursing College in Kuppam
Abstract: Background: Artificial Intelligence (AI) is rapidly gaining prominence in healthcare, holding the potential to revolutionize patient care and streamline administrative processes. However, the preparedness of future nursing professionals for this technological shift, particularly their knowledge and attitudes towards AI in healthcare, remains a critical yet under-investigated area. This study aimed to assess the knowledge and attitudes of nursing students towards AI in healthcare at a selected nursing college in Kuppam, …
Published in Journal of Nursing Science & Practice · Vol. 16, Issue 1, 2026 · pp. 17–23 Read article
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An Evaluation of the Effectiveness of a Self-Instructional Module on First Aid and Safety Measures for School Children (Aged 11–14 years) at PDR VVP Vidyalaya, Loni
Abstract: Background: School children are active youngsters. India is home to nearly 500 million young individuals, with approximately 370 million being children under 15 years old, highlighting their crucial role as the future of the country. Young children often exhibit naughty, defiant, and impulsive behavior. According to the World Health Organization’s Global report, in the South-East Asia Region, road traffic accidents, drowning, burns, and other injuries are leading causes of child …
Published in Journal of Nursing Science & Practice · Vol. 15, Issue 1, 2025 · pp. 17–22 Read article
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Design and Performance Analysis of Multi-Standard CMOS LNA Using Switched Capacitor and MIM Capacitor in 180nm Technology
Abstract: Low noise amplifier (LNA) is terribly important block in designing broadband receivers for wireless broadband communications. Being the primary active element in receiver chain it creates larger demand for LNAs that are smaller, consume less power, and provide sufficient gain, low noise and high compact design. The projected LNA is extremely integrated with low noise figure having wide calibration range with improved RF power handling system and acquires less space …
Published in Journal of VLSI Design Tools and Technology · Vol. 5, Issue 3, 2015 · pp. 37–44 Read article
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Modeling and Acoustic Analysis of Noise Vibration in Automotive Gearbox by Non-destructive Testing
Abstract: A gearbox is used for transferring power from the engine to the wheels. Predicting the vibration and noise radiation from a dynamic system like a gearbox gives designers an insight early in the design process. It was conducted experimental and modeling of vibration and noise for magnitude and pressure level variations in a Peugeot 206 automotive 5-speed gearbox. It was extract vibration data related to different periodic processing and then …
Published in Journal of Experimental & Applied Mechanics · Vol. 11, Issue 3, 2020 · pp. 54–63 Read article
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Differential Model of Wave Vibration on Strings and Rods
Abstract: Vibration, as a physical phenomenon, plays a multifaceted role in both natural and engineered systems. Beyond its essential contribution to communication through sound and speech, it finds critical application in various technological domains. For instance, in the design of stringed musical instruments such as violins and guitars, precise manipulation of string vibrations defines tonal quality and musical resonance. Similarly, metal rods in tuning forks exhibit vibrational properties that are finely …
Published in Research & Reviews : Journal of Physics · Vol. 14, Issue 1, 2025 · pp. 17–21 Read article
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Vibration Analysis Of Pump Shaft Using Finite Element Analysis Software: A Review
Abstract: Rotating shaft and other components in pump system revolving at speed close to the natural frequency of the system are unsafe because at natural frequency the amplitude of vibration is highest and it generate the excessive stresses which can cause rotating components failure. The objective of the review paper is to study the vibration characteristics of pump shaft system of finite element method in software module. The knowledge about the …
Published in Trends in Mechanical Engineering & Technology · Vol. 8, Issue 1, 2018 · pp. 46–54 Read article
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Proposed Modified PID Load Frequency Controller for Two Area Interconnected System Employing Frequency Regulation Techniques of Wind Power Plant
Abstract: AbstractFrequent switching of load introduces noisy ambiances and makes the implementation of conventional PID controller challenging, as differential part of controller is noise sensitive. Thus, this paper proposes a modified PID load frequency controller for two area interconnected system, employing frequency regulation techniques of wind power plant, and compares the performance of modified PID load frequency controller with the conventional PID controller. Wind power plant with inertial control has been …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 8, Issue 2, 2017 · pp. 1–10 Read article
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Experimental Analysis of Nano-carbon Doped Alumina for Industrial Applications
Abstract: The use of nano-carbon metal matrix composites can provide a solution to the enduring issue of optimal material selection and optimization for getting metal-insulator transition (MIT) behavior at a particular frequency at ambient temperature. Other substances, like two-dimensional (2D) transition metal dichalcogenides (TMD), vanadium oxide (VO2), and germanium telluride (Ge-Te), have difficult challenges in achieving effectively the MIT property at a given frequency and temperature. It is also difficult to …
Published in Journal of Polymer & Composites Read article
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A Study to Assess the Satisfaction Level of Children on Parent–Child Relationship Among Adolescent Girls Studying at Selected Educational Institutions in Honavar, Uttara Kannada
Abstract: Background: A strong parent-child relationship (PCR) is essential for a child’s overall development. This study aimed to explore the quality of parent-child relationships, particularly with fathers, among Indian adolescent girls. While societal attitudes have evolved, concerns remained about whether female children receive the same love, respect, and care as their male counterparts. Methodology: This research used a quantitative approach with a descriptive design. A total of 253 adolescent girls from …
Published in International Journal of Women's Health Nursing And Practices · Vol. 1, Issue 2, 2023 · pp. 14–20 Read article
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A Study to Evaluate the Effectiveness of Planned Teaching Program on Diabetic Management Regarding Knowledge and Practice Among Patients with Diabetes Mellitus at Selected Taluk Government Hospital, Kollegala
Abstract: Diabetes mellitus is a chronic metabolic disorder with a growing global impact. Effective management of this condition requires not only medical intervention but also comprehensive patient education. This study was conducted to evaluate the effectiveness of different diabetes education methods on improving metabolic control, body mass index (BMI), and blood pressure among diabetic patients. The research aimed to empower individuals with diabetes by enhancing their knowledge and self-management skills. A …
Published in Journal of Nursing Science & Practice · Vol. 15, Issue 3, 2025 · pp. 19–28 Read article