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1375 articles for “S/N ratios”
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Analysis of Cooperative Communication Techniques
Abstract: The scope of this study is to analyze cooperative communication techniques by measuring the symbol error rate vs. signal to noise ratio and analyzing the merits and demerits of those techniques. Unless stated otherwise, the channel is modelled as Rayleigh fading and noise is modeled as white Gaussian. The results of this study can be used to understand the benefits of cooperative protocols and their necessity in future communication systems. …
Published in Journal of Telecommunication, Switching Systems and Networks · Vol. 7, Issue 3, 2020 · pp. 1–9 Read article
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Performance Analysis of IEEE 802.22 Wireless Regional Area Network with Different Modulation Schemes and Code Rates: A Review
Abstract: Abstract: The wireless regional area network (WRAN) is an IEEE 802.22 standard. It operates in the very high frequency and ultra-high frequency range. It works on the principle of cognitive radio. The basic objective of WRAN is to sense the available frequency spectrum and assign this sensed frequency to the secondary user. The performance of the network strongly depends on the wireless environment and different channel conditions. In this paper, …
Published in Journal of Mobile Computing, Communications & Mobile Networks · Vol. 6, Issue 3, 2019 · pp. 12–17 Read article
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Investigating the Combined Effect of FDM 3D Printing Parameters on Tensile Behavior of ABS Plastic Using Taguchi Method.
Abstract: Fused Deposition Modelling (FDM) is a commonly utilized method in additive manufacturing. FDM is greatly affected by its printing parameters, which is why selecting the proper parameters is crucial for obtaining the desired properties of 3D printed parts. In this paper we have experimentally and statistically studied the influence of FDM 3D printing parameters (infill pattern, infill density and layer thickness) on tensile strength using Acrylonitrile Butadiene Styrene (ABS) filament. …
Published in Journal of Polymer & Composites · Vol. 12, Issue 5, 2024 · pp. 161–169 Read article
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Effect of Energy/Protein Ratio and Strain on Performance, Nutrient Digestibility and Serum Biochemical Indices of Exotic and Locally Adapted Turkey
Abstract: This study investigated the response of locally adapted and exotic turkeys raised under the same environmental conditions to diets with varying energy/protein ratio. One hundred and fourty-four (144) four-week old poults of each strain of turkey were randomly selected and assigned to six different diets in a 2 x 2 x 3 factorial arrangement. Each treatment diet were replicated twice with twelve (12) birds per replicate. Diets formulated with 28 …
Published in International Journal of Biochemistry and Biomolecule Research · Vol. 1, Issue 2, 2023 · pp. 37–45 Read article
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An Experimental Analysis on Enhancement of Electric Vehicle Safety using ADAS Technology and Forward Collision Avoidance with an Automatic Braking System
Abstract: The rapid expansion of the automobile sector in developing nations has intensified road safety concerns, particularly in congested urban environments where human error accounts for approximately 90% of all accidents. This paper presents and experimentally validates an integrated Advanced Driver Assistance System (ADAS) for electric vehicles comprising three complementary safety modules: a Forward Collision Avoidance System (FCAS) employing an HC-SR04 ultrasonic sensor interfaced with an Arduino Uno R3 to detect …
Published in Journal of Automobile Engineering and Applications · Vol. 13, Issue 2, 2026 · pp. 20–30 Read article
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Investigation of Heat Transfer in Concentric Annuli with Perforated Inserts
Abstract: The increasing necessity for saving energy and material imposed by the diminishing world resources and environmental concerns have prompted the development of more effective heat-transfer equipment with improved heat-transfer rates. The hydrodynamic boundary layer acts as main resistance for the transfer of heat from tube surface to fluid or vice-versa and many researchers are trying to improve the convective heat transfer rate with inserts in tubes to break the boundary …
Published in Journal of Experimental & Applied Mechanics · Vol. 9, Issue 1, 2018 · pp. 56–68 Read article
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Vermicomposting of Terrestrial Weeds: An Approach for Sustainable Agriculture and Solid Waste Management
Abstract: Abstract This study was designed to find out the feasibility of vermicomposting terrestrial weed Lantanacamara. Plastic caret has been used to design compost pit and both the weeds has been mixed in 1:1 ratio. Five different concentrations of weeds mixture and cow dung have been prepared and Eiseniafetida is used for vermicomposting. Physico-chemical parameters of the sample are analyzed after 45, 60 and 90 days. In all the treatments, variation …
Published in Journal of Water Pollution & Purification Research · Vol. 4, Issue 1, 2017 · pp. 23–27 Read article
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Optimization of Machining Parameters on End Milling of EN 8 Back Shaft for Power Press
Abstract: The most of the industries carried out various machining processes are the heart of any industries. The processes are advanced day by day in order to achieve goal of efficiency. The paper state about one of the process namely end milling on experimentally investigates the effect of input parameters on material removal rate and surface roughness for key way cut on particular back shaft. Design of experiment carried out by …
Published in Trends in Mechanical Engineering & Technology · Vol. 8, Issue 3, 2018 · pp. 49–58 Read article
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The Art of Drug Design and Process Chemistry
Abstract: The creation of safe and efficient medications depends heavily on the art of drug design and process chemistry. This multidisciplinary discipline designs and optimizes drug candidates for therapeutic uses by fusing the concepts of biology, chemistry, and engineering. Researchers can develop compounds with pharmacological activity by using logical drug design techniques if they have a thorough understanding of the molecular targets implicated in disease pathways. By making it easier to …
Published in International Journal of Bioinformatics and Computational Biology · Vol. 3, Issue 1, 2025 · pp. 1–10 Read article
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Evaluation and Study of The chemical Pollution Ratio of Dams Water in Najaf Governorate and The surrounding Environments
Abstract: The importance of water and the urgent need for a clean environment free from pollutants has drawn our attention and focused in this study on estimating and evaluating ionic pollutants of elements (iron, chromium, lead, manganese) in the water of dams in Najaf Governorate and the surrounding areas. The study included four dams, namely ()Al-Mushkhab Dam, Al-Hindiya Dam, Shatt Al-Kufa, and Umm Abbasiyat Dam)( to determine the percentage of pollution …
Published in Emerging Trends in Chemical Engineering · Vol. 12, Issue 3, 2025 Read article
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Low-light Video Enhancement with SVD-DWT Algorithm for Multimedia Surveillance Network
Abstract: After the outbreak of the global pandemic COVID-19, video surveillance has become an important aspect of multimedia communication in monitoring-based systems, security systems, object tracing etc. However, due to drawbacks like video frame distortion, the quality of the video in surveillance may be affected in some cases. In this work, a video enhancement-based multimedia surveillance network has been developed by using a Discrete Wavelet Transform (DWT) and Singular Value Decomposition …
Published in Current Trends in Signal Processing · Vol. 10, Issue 3, 2020 · pp. 42–50 Read article
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Evaluation of Optimal Parameters for Wire EDM Machine on En45A Alloy Steel using Taguchi and Grey Relational Analysis (GRA) Method
Abstract: The core goal of this research paper is to evaluate process parameters of wire electrical discharging machining and to find out the best parameter among the multiple responses given by machine. Wire cut machine is very accurate and precise machine which is actually manufactured to cut those material which have high strength, toughness, and hardness. This machine works on melting property; here spark is generated between the work piece and …
Published in Journal of Materials & Metallurgical Engineering · Vol. 6, Issue 1, 2016 · pp. 11–21 Read article
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Studies in Effect of Methyl Methacrylate to Butylacrylate Ratio on the Properties of TiO2/poly(methyl methacrylate-co-butylacrylate) Core–Shell Composite Nanoparticles Prepared by Microemulsion Polymerization
Abstract: AbstractTitanium dioxide, as a core, was coupled with the poly(methyl methacrylate-co-butyl acrylate) using amino propyltriethoxy silane as a coupling agent. A two-stage semi-continuous microemulsion polymerization method was used for the synthesis of these core–shell nanoparticles. Ratio of methyl methacrylate to butyl acrylate was varied in the shell of the nanoparticles and the prepared core–shell composite nanoparticles were characterized by Fourier transform infrared spectroscopy, X-ray diffractometer, differential scanning calorimetry, scanning electron …
Published in Journal of Polymer & Composites · Vol. 1, Issue 3, 2013 · pp. 32–39 Read article
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Potential of Particle Size Mix Ratios of Plantain Ogoni Red with Clay Soil: The Integrity of Adsorbent Performance in AGO Treatment in Fresh Water Environment
Abstract: The research is focus on monitoring the performance of various formulated adsorbent mix ratio of clay soil with some agro-based materials in treatment of contaminated water environment. The agro-based material used was Plantain Ogoni Red (POR) and fresh water environment was used for this research. The agro-based material was processed into different particle sizes of 150 𝜇m, 300 𝜇m, 600 𝜇m and 1.18 mm and the clay soil into fine …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 15, Issue 3, 2024 · pp. 12–25 Read article
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Effects of Specific Heat Ratio and Cut-off Ratio on the Performance of an Irreversible Dual Cycle
Abstract: This study is aimed to investigate the effects of specific heat ratio and cut-off ratio on the Dual cycle performance. The variation in the power output and thermal efficiency with compression ratio, peak temperature of the cycle, specific heat ratio and cut-off ratio are presented. The result shows that with decrease in compression ratio up to a value, the increase in specific ratio lowers specific work output and increases efficiency …
Published in Trends in Mechanical Engineering & Technology · Vol. 2, Issue 1, 2012 · pp. 1–6 Read article
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Development of Organic Seeds under Inhana Rational Farming (IRF) Technology—A Case Study from Canning Block Seed Farm, 24 Parganas (S), West Bengal
Abstract: Availability of good quality seed is one of the major constraints for sustainable agriculture in India. Especially in pretext of climate change mitigation, relevance of organic seed is immense. In this respect, organic seed development has been undertaken jointly by Bidhan Chandra Krishi Viswavidyalaya (BCKV) and Inhana Organic Research Foundation (IORF), Kolkata, India in Canning Block Seed Farm under coastal saline ecosystem with adoption of Inhana Rational Farming (IRF) Technology—A …
Published in Research and Reviews : Journal of Crop science and Technology · Vol. 7, Issue 2, 2018 · pp. 1–21 Read article
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Nursing Training and Research in India: Challenges and Opportunities
Abstract: Nursing is one of the strongest pillars of healthcare delivery system. However, there is an acute shortage of nursing staff along with their unsatisfactory quality of education and training that leads to poor quality of nursing services in India. Moreover, the figures are dismal in terms of number of training institutions, trained nurses, nurse-population ratio and nurse-physician ratio. Inadequate management and leadership at national and state levels, lack of infrastructure, …
Published in Journal of Nursing Science & Practice · Vol. 2, Issue 1-3, 2012 · pp. 130–140 Read article
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Proposed web application with integrity check for deduplication in encrypted data
Abstract: With the deduplication mechanism, an effective system can be raised up. As the amount of data is growing tremendously, it has become quite difficult to handle or arrange the data and also preserving the security of data is the major area of interest. So, in order to preserve the data stored in the server it is essential to upload the data in the encrypted form. However, encrypted data is a …
Published in Journal of Advanced Database Management & Systems · Vol. 5, Issue 1, 2018 · pp. 24–31 Read article
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Numerical Simulation of Flow Field, Fountain Flow and Associated Noise in Supersonic Impinging Twin Jet using Large Eddy Simulation
Abstract: A three-dimensional flow field is produced by a supersonic twin-jet impingement. It is studied using the turbulence model Large Eddy Simulation (LES). The numerical model consists of two parallel jets of diameter 3D apart, which are issued from a plane which is at a distance H = 2D, 3D, 4D above the ground. The Nozzle Pressure Ratio (NPR) is kept at 3.7 for all the flow conditions. The study is …
Published in Journal of Aerospace Engineering & Technology · Vol. 4, Issue 3, 2014 · pp. 1–8 Read article
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Thermal Effect on Frequencies of Non-homogeneous Trapezoidal Plate with Linearly Varying Thickness in One Direction and Linearly Varying Density in other Direction
Abstract: In this study thermal effect on vibrations of non homogeneous trapezoidal plate has been investigated whose thickness varies linearly in one direction and density varies linearly in other direction. Governing differential equation has been derived using classical plate theory. Rayleigh-Ritz method is applied to obtain the frequencies for the first two modes of vibration. Clamped-Simply supported-Clamped-Simply supported boundary condition is considered with two term deflection function. Effect of various plate …
Published in Journal of Experimental & Applied Mechanics · Vol. 3, Issue 2-3, 2012 · pp. 25–37 Read article