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1254 articles for “comparisons”
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Performance Comparison of Hadamard Code and MultiDiagonal Code in SAC-OCDMA system
Abstract: Abstract: The objective of this study is performance Comparison of two different coding techniques in spectral-amplitude coding OCDMA (SAC-OCDMA) Here two such codes. Hadamard code and multi-diagonal code are simulated in OCDMA codes have been compared in terms of the BER, length and data rate First, we simulate the OCDMA using Hadamard code. And analyze the performance of OCDMA system. Again, simulate the OCDMA using MD code. Then compare both …
Published in Trends in Opto-electro & Optical Communication · Vol. 9, Issue 1, 2019 · pp. 46–55 Read article
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Comparison of Advance Data Modulation Formats in 4×10 Gbps WDM Optical Communication System using YDFA-EDFA and Raman-EDFA Hybrid Amplifiers
Abstract: In this paper, comparison of various advance data modulation formats in 4×10 Gbps wavelength division multiplexing (WDM) optical communication system using various hybrid optical amplifiers (YDFA-EDFA and Raman-EDFA) has been carried out. The advance modulation formats under study include non-return-to-zero (NRZ), return-to-zero (RZ), carrier-suppressed return-to-zero (CSRZ), Duobinary return-to-zero (DRZ) and modified Duobinary return-to-zero (MDRZ). The WDM hybrid system has been analyzed over 100 km fiber for 10 Gbps system. It …
Published in Current Trends in Information Technology · Vol. 10, Issue 1, 2020 · pp. 23–29 Read article
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Joomla, Drupal and WordPress SEO Comparison
Abstract: To get a good business or visitor in the current scenario, your site should be on the uppermost 10 list in utmost search engines. And this is the time when you should know that what Search Engine Optimization (SEO) is. In the last era, Content Management System (CMS) is broadly accepted for web development. CMS Open Source has a lot of popularity in the previous few years. Thousands of open …
Published in Journal of Computer Technology & Applications · Vol. 9, Issue 1, 2018 · pp. 17–23 Read article
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Comparison of Beta Tricalcium Phosphate Mixed with PRP and Beta Tricalcium Phosphate alone as Bone Graft in Maxillofacial Bony Defects
Abstract: Maxillofacial bony defects are common problems in dental surgery. In the present study an attempt was made for the comparison of beta tricalcium phosphate mixed with PRP (Platelet Rich Plasma) and beta tricalcium phosphate alone as bone graft in maxillofacial bony defects. Present study was under taken at conducted at department of oral and maxillofacial surgery, career post-graduate institute of dental sciences and hospital, Lucknow. In the present study it …
Published in Research and Reviews: A Journal of Dentistry · Vol. 7, Issue 1, 2016 · pp. 32–35 Read article
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A Comparison of Rapid Card Test with Enzyme-Linked Immunosorbent Assay for the Detection of Hepatitis B Surface Antigen [HBsAg] in Tertiary Care Hospital
Abstract: Introduction: Hepatitis B virus (HBV) infection is one of the leading causes of death worldwide. The most important marker for HBV infection is HBsAg. In case of diagnosis of infectious disease, discordant results may have serious consequences among the patients as it causes unnecessary mental stress and tension. For proper diagnosis of infection as well as disease management and prevention, identification of appropriate test kit is necessary. Aims and Objective: …
Published in Research and Reviews: A Journal of Microbiology and Virology · Vol. 7, Issue 3, 2017 · pp. 27–31 Read article
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Comparison and Evaluation of RIPASA Scores Versus Alvarado Scores as A Marker for Diagnosis of Acute Appendicitis in Indian Population
Abstract: AbstractBackground: The accuracy of Alvarado score in diagnosing acute appendicitis in Asian population is disappointingly low. Raja Isteri Pengiran Anak Saleha Appendicits (RIPASA) a new scoring system developed for the diagnosis of acute appendicitis is claimed to be better than Alvarado scoring system in Asian population. Therefore the present study is undertaken to compare Alvarado score and RIPASA score in diagnosing acute appendicitis.Method: A prospective comparison of RIPASA and Alvarado …
Published in Research and Reviews : Journal of Surgery · Vol. 6, Issue 3, 2017 · pp. 1–6 Read article
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Performance Comparison of Multi-hop Wireless Ad Hoc Network Routing Protocols using NS2
Abstract: Mobile Ad Hoc Networks (MANET) is a collection of wireless mobile nodes that forms a temporary network without any administrative support. Ad Hoc Networks are characterized by multi-hop wireless connectivity because of limited transmission range, it’s dynamically changing network topology requires efficient routing protocols. Over the years, many routing protocols have been developed for such environments like; Ad Hoc On-demand Distance Vector routing (AODV), Temporary Ordered Routing Algorithm (TORA), Dynamic …
Published in Journal of Mobile Computing, Communications & Mobile Networks · Vol. 3, Issue 1, 2016 · pp. 24–33 Read article
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A Review on Comparison of Vedic Multipliers Using Various Types of Adder Topologies
Abstract: Abstract: This paper examines the displays of comparison of Vedic multipliers using various adders. In the design of most high-performance systems such as FIR filters, image processing, microprocessors multipliers are the integral components and multiplication is the important fundamental function in arithmetic operations. Multiplication is the most important job in signal processing apps for numerical operations. Since speed in the multiplication procedure is dependably a must, velocity increases can be …
Published in Journal of Operating Systems Development & Trends · Vol. 6, Issue 3, 2019 · pp. 1–8 Read article
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Design and Performance Comparison of Secure Routing Protocol in Integrated UMTS and WLAN Ad Hoc Networks
Abstract: The impact of routing attack on the Integrated Universal Mobile Telecommunications System (UMTS) and Wireless Local Area Network (WLAN) ad hoc network can be minimized by choosing a suitable secure routing protocol. This paper introduces a new secure inter-domain routing protocol SNAuth_SPERIPv2 and its performance comparison with other secure routing protocols for Constant Bit-Rate (CBR) voice conversational traffic. Keywords: Integrated UMTS and WLAN Ad Hoc network, Scalability, QoS, Routing, Security, …
Published in Journal Of Network security · Vol. 4, Issue 3, 2016 · pp. 28–41 Read article
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Comparison of Different Modulation Techniques for High Bandwidth Visible Light Communication
Abstract: Visible light communication (VLC) has gained tremendous importance due to its potential for ease, effectiveness and long lifetime. Slow response of phosphorescent components limits the modulation bandwidth of the white LED to the lower MHz range. Different modulation techniques have been used for VLC to achieve extended bandwidth, high data rate and bit-error-ratio within the forward error correction limit. This paper represents comparison of three different modulations techniques used for …
Published in Recent Trends in Electronics Communication Systems · Vol. 2, Issue 3, 2015 · pp. 32–38 Read article
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Wax Deposition Modeling and Comparison with Field Data for Some Indian Oil Fields
Abstract: One of the major determinants for flow assurance of crude oil is its constitution and involves successful management of solid deposits. Major challenges in flow assurance are adequate selection of production equipment and pipelines. Control of wax deposition and its challenge can be met with better prediction through wax modeling. Precipitation of paraffin out of supersaturated crude oil mixture is responsible for wax deposits in pipelines. The authors have seen …
Published in Recent Trends in Fluid Mechanics · Vol. 4, Issue 1, 2017 · pp. 1–15 Read article
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Diagnosis of Dengue by NS1 Detection: Comparison of Rapid Immunochromatography versus ELISA Kits
Abstract: Dengue is an acute infectious disease of viral etiology. It is probably one of the most important arthropod borne viral disease in terms of human morbidity and mortality. The spectrum of disease ranges from self-limited dengue fever to more severe forms of dengue hemorrhagic fever (DHF) or dengue shock syndrome (DSS). So, to reduce mortality and morbidity early and accurate diagnosis of dengue is essential. Study assessed comparison of currently …
Published in Research and Reviews: A Journal of Microbiology and Virology · Vol. 6, Issue 2, 2016 · pp. 18–22 Read article
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Comparison of Simulations Results of Fuzzy Logic, Neural Network and Conventional Scheme Based Controller for SAF in Constant Frequency Aircraft System
Abstract: SRF control strategy for finding reference currents for active power filters have been optimized using artificial neural network, fuzzy logic control and their performances have been evaluated. The acute analysis of comparison of the compensation capability based on THD and speedwell be done, and recommendations will be given for the choice of technique to be used. The simulated results using MATLAB model are shown, and they will undoubtedly prove the …
Published in Journal of Aerospace Engineering & Technology · Vol. 7, Issue 1, 2017 · pp. 1–9 Read article
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Comparison of Aircraft System using Fuzzy Logic Control and Traditional Control Scheme
Abstract: Sinusoidal current control (SCC) strategy is used for hauling out reference currents. This technique has been reviewed for More Electric Aircraft (MEA) system. Further, SCC strategy’s compensation capability has been compared with the system optimized using FLC. The basis for comparison is Harmonic distortion and compensation time. Result based on MATLAB Simulink will prove the effectivity of the control strategy for SAF in the MEA system.Keywords: More electric aircraft system …
Published in Journal of Aerospace Engineering & Technology · Vol. 8, Issue 3, 2018 · pp. 34–42 Read article
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Comparison between Some Physical and Chemical Proprieties of the Water in Khartoum Sites
Abstract: Water is a life source it cover most of the earth surface, it can be found in rivers, seas, oceans and ground water. It may has different proprieties depend on the sources or seasonal or the environments. In this study measurements of some physical and chemical variables were made specifically in Khartoum site, where water samples were taken from different areas representing rivers, wells and water purification stations. Then UV …
Published in Research & Reviews : Journal of Food Science & Technology · Vol. 8, Issue 1, 2019 · pp. 13–21 Read article
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Transient Stability Comparison for an Integrated Power System Using Statcom and SVC
Abstract: Transient stability control plays a significant role in maintaining the stable operation of power systems in case of large disturbances and faults. This paper compares the role of Static Synchronous Compensator (STATCOM) and Static Var Compensator (SVC) in mitigating the fault and establishing transient stability in a 9 MW integrated wind farm power plant. SVC and STATCOM are FACTS (Flexible Alternating Current Transmission System) devices used for efficient power flow …
Published in Research & Reviews : Journal of Physics · Vol. 8, Issue 2, 2019 · pp. 112–116 Read article
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Polyherbal Salt Based Formulation for Dental Problems: Formulation, Evaluation and Comparison
Abstract: There are number of traditionally used herbs in Ayurveda for dental problems. Various herbs with salt were evaluated for their potential use as tooth formulations on the basis of pharmaceutical parameters. Aqueous and alcoholic extracts of formulations and marketed preparations were evaluated for qualitative chemical analysis and antimicrobial activity. Antimicrobial activity was studied against study; Escherichia coli (two variety), Staphylococcus aureus, Salmonella typhi, Bacillus subtilis and Candida albicans. Pharmaceutical parameters, …
Published in Research & Reviews: A Journal of Pharmacognosy · Vol. 4, Issue 3, 2017 · pp. 1–5 Read article
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Regulatory Requirement for Pharmaceutical Marketing in USA, EU and GCC: A Comparison
Abstract: The Gulf Cooperation Council (GCC) pharmaceutical are known to be a semi-regulated market when compared with European Union (EU) and Unites States of America (USA) drug regulatory market. Product registration in GCC was challenging task in comparison to EU and USA due to lack of proper harmonised guidelines and diversity in registration procedure. The six GCC member states namely Bahrain, Kuwait, Oman, Qatar, Saudi Arabia and United Arab Emirates have …
Published in Research & Reviews: A Journal of Drug Formulation, Development and Production · Vol. 1, Issue 3, 2014 · pp. 16–21 Read article
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Comparison Between Reed–Solomon and BCH Code with Various Modulation Schemes Over Coding Gain and Coding Rate
Abstract: The main objective of this research paper is to make a comparison between the performance of Reed-Solomon (RS) and Bose–Chaudhuri–Hocquenghem (BCH) codes across different modulation schemes concerning coding gain and coding rate within an additive white Gaussian noise (AWGN) channel system, while maintaining a constant transmission bandwidth. In this paper bit error rate (BER) versus signal/noise (S/N) performance of a Simulink model is validated with MATLAB results for a RS …
Published in Research & Reviews: A Journal of Embedded System & Applications · Vol. 12, Issue 1, 2024 · pp. 32–50 Read article
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Fabrication and drilling characterization of Hemp & Grewia-Optiva hybrid composite and comparison with ANN model
Abstract: In recent days the use of natural fibers has increased over synthetic fibers due to various advantages. The alkali treatment for these natural fibers further improves the adhesion between fiber and matrix and greatly enhances the mechanical properties of the composite. The present study involves the fabrication of a hybrid composite using the alkali-treated (5% NaOH concentration) natural fibers – Hemp &Grewia-optiva as reinforcement material and epoxy as a matrix …
Published in Journal of Polymer & Composites · Vol. 12, Issue 3, 2024 · pp. 138–146 Read article