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215 articles for “Islam”
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Analysis of Rainfall Variability in Sylhet Region of Bangladesh
Abstract: The variability and distributions of rainfall of a region is important and useful especially for agricultural activities. The study was conducted to establish the rainfall trends in Sylhet by analyzing available rainfall record for 35 years period of 1981 to 2015. Records of daily rainfall data for Sylhet region were obtained from the Bangladesh Meterological Department (BMD) for analysis. Rainfall data were categorized into monthly, annual, and seasonal basis. The …
Published in Journal of Water Resource Engineering and Management · Vol. 6, Issue 2, 2019 · pp. 1–10 Read article
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Effect of Earthquake on Embankment based on Reliability Index Using Spreadsheet Optimization Method
Abstract: To obtain varying parametric sensitivities from case to case, a reliability analysis is most efficient method for designing any structure. Reliability based design illustrates the standard deviations and the correlation structure of the input parameters. The aim of this paper is to delineate the ultimate limit states or reliability based assessment and to describe the reliability index or Hasofer-Lind (H-L) index using object-oriented constrained optimization in the ubiquitous spread sheet …
Published in Journal of Water Resource Engineering and Management · Vol. 4, Issue 1, 2017 · pp. 35–41 Read article
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Determination of Well Loss and Aquifer Loss of New Construction Deep Water Well at Artesian Aquifer in Khulna City, Bangladesh
Abstract: This work studied the performance of water well installed as artesian aquifer in South Western Region of Bangladesh. The main activities were known to the properties of aquifer condition on that area. Well performance was also measured after development of water well. The well performance and aquifer performance were justified by Rorabaugh’s graphical methods. The total depth of drilling was 305 m from the ground level. Drilling was completed by …
Published in Recent Trends in Civil Engineering & Technology · Vol. 3, Issue 1, 2013 · pp. 8–13 Read article
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Discrete Hidden Markov Model based Face Recognition System Introducing Sustainability of Uneven Lighting Distortion
Abstract: The aim of this work is to enhance the performance of appearance based face recognition system to remove the uneven lighting effect which is generally occurred in natural environment. Active Shape Model has been used to detect the facial shape and contrast based edge detection technique has been applied to reduce the uneven lighting problem. Linear Discriminant Analysis has been used to reduce the dimension of the facial feature vector. …
Published in Trends in Electrical Engineering · Vol. 4, Issue 1, 2014 · pp. 9–16 Read article
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Design and Simulation of Discrete Time Multi-Input Multi-Output Optimal Controller to Control Active and Reactive Power of DFIG
Abstract: The control of active and reactive power of doubly-fed induction generator (DFIG) in a large scale wind farm has become an important issue for the improvement of wind energy system to provide efficient and reliable electrical power with safety. The control strategies of active power and reactive power can be classified in two types—direct power control and indirect power control. First control strategy has designed based on the chosen switching …
Published in Trends in Electrical Engineering · Vol. 5, Issue 1, 2015 · pp. 1–11 Read article
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Back-Propagation Neural Network Based Speaker Identification Under Noise Distortion
Abstract: The aim of this paper is to evaluate the performance of the proposed speaker identification system where Wiener filtering technique has been used to eliminate the background white Gaussian noises and linear discriminant analysis has been used to reduce the dimension of the speech features. Since the audio signal captures more environmental noises than other biometrics modalities, the main emphasis of this paper is to analyze the problem domains of …
Published in Trends in Electrical Engineering · Vol. 5, Issue 2, 2015 · pp. 1–6 Read article
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Feature Fusion Based Iris and Retina Recognition System Using Kohonon Self-Organizing Mapping Neural Network Algorithm
Abstract: This paper proposes a model of biometric security with feature fusion based iris and retina recognition system. Though, a lot of research works have done for iris recognition system and it is not new for the fusion of multimodal iris recognition in the area of biometric security and authentication system. But, it is a relatively new idea of mixing iris and retina features for human authentication. Here, the features of …
Published in Trends in Electrical Engineering · Vol. 5, Issue 2, 2015 · pp. 22–26 Read article
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Finding The Most Sensitive Nodes on IEEE-14 Bus System and Adaptation of Protection Scheme
Abstract: Power system stability is one of the most significant concerns in power system. Providing continuous supply of electric energy to meet the load demand is a complex technical challenge. One of the main causes of voltage instability in a system is the occurrence of reactive power imbalance in the system. Reactive power will be unbalanced when there is a sudden increase or decrease in reactive power demand in the system. …
Published in Trends in Electrical Engineering · Vol. 6, Issue 1, 2016 · pp. 50–56 Read article
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Optimized High Performance Characteristics of a Designed 1553 nm Wideband Travelling Wave Semiconductor Optical Amplifier
Abstract: AbstractIn this work, the performance characteristics of a designed 1553 nm Wideband Travelling Wave Semiconductor Optical Amplifier are presented. A high performance of the designed wideband SOA is obtained and analyzed with the optimized values of injection current, optical confinement factor, input power and active length. A maximum gain of 30.16 dB and minimum noise figure of 4.48 dB is obtained for 200 mA injection current, 0.33 optical confinement factor …
Published in Trends in Opto-electro & Optical Communication · Vol. 4, Issue 3, 2014 · pp. 32–39 Read article
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Effects of Variation of Injection Current and Differential Gain on 450 nm InGaN True Blue Semiconductor Laser
Abstract: AbstractIn this work, the performance analysis of a designed 450 nm InGaN True Blue Semiconductor Laser has been presented by varying injection current and differential gain. The study has been divided into three major segments; the first of which deals with changes in carrier density, photon density and output power with variation of injection current. A maximum output power of 182.6 mW is obtained for 90 mA injection current and …
Published in Trends in Opto-electro & Optical Communication · Vol. 3, Issue 1, 2013 · pp. 18–23 Read article
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Evaluation of Impacts of Dispatch Headway Variability in Bus Transit Systems in a Simulated Route
Abstract: This paper presents reliability analysis of bus transit systems based on numerical simulation of the range of headway variations in a bus route consists of multiple stops. Variation of performance in bus operation due to the variation of departure headways is determined through number of simulations. Operational performance is measured by the average waiting time of passengers at stops. Simulation results show that average waiting time as well as spread …
Published in Trends in Transport Engineering and Applications · Vol. 1, Issue 3, 2014 · pp. 7–18 Read article
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Analysis and Application of Cognitive Radio on 4G Communications
Abstract: AbstractNowadays network services are available anywhere and anytime through the advancement in wireless communication technology. Several technology and generation are introduced for wireless communication such as 2.5G, 3G etc. But for faster and reliable communication wireless generations are improved—4G technology is one of them. 4G communication systems are being developed to solve the various problems faced by the current communication systems (3G, 2.5G). 4G will be an intelligent technology that …
Published in Journal of Communication Engineering & Systems · Vol. 4, Issue 3, 2014 · pp. 1–8 Read article
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Temporal Information Extraction from Textual Data using Long Short Term Memory Recurrent Neural Network
Abstract: Temporal information extraction from raw text is always challenging. It is time consuming and sometimes difficult to extract temporal expression manually. For this reason, an automatic system is a demand to find the temporal expressions from the textual data automatically. In this paper, we have developed a temporal information extraction system using Long Short Term Memory (LSTM) recurrent neural network (RNN) along with word embedding where temporal expressions are extracted …
Published in Journal of Computer Technology & Applications · Vol. 9, Issue 2, 2018 · pp. 1–6 Read article
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An Approach of Likelihood Ratio Score Fusion for Appearance and Shape based Face Recognition
Abstract: AbstractThis paper deals with an approach of likelihood ratio based score fusion technique where appearance and shape based facial features have been used to enhance the efficiency of existing face recognition system. Active Shape Model (ASM) has been used to extract the appearance and shape based facial features. Two different types of features have been used in this work in such a way that when the appearance based feature contains …
Published in Journal of Computer Technology & Applications · Vol. 4, Issue 3, 2013 · pp. 1–8 Read article
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Face Recognition using LDA based Support Vector Machine
Abstract: AbstractRecognition of a person is an easy task for human brains. From different experiments, we have found that even one to three days old babies are able to distinguish between known faces. So, it is very difficult task for a computer to recognize an unknown human face although a computer has been trained with a huge set of human face. Now-a-days face recognition has received significant attention of researchers. Lots …
Published in Journal of Computer Technology & Applications · Vol. 5, Issue 2, 2014 · pp. 1–7 Read article
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Enhancing Resolution of Artifact Image using AR-CNN and SRGAN
Abstract: Abstract The super-resolution strategy recreates a higher-resolution image or arrangement from the observed low resolutions (LR) images. As super-resolution has been created for over three decades, both multi-casing and single-outline super-resolution has critical applications in our everyday life. Existing super-resolution strategies have a few constraints. The artifact is additionally an issue in compression of an image. With artifacts, the high-resolution image is most noticeably terrible to see. In this paper, …
Published in Journal of Computer Technology & Applications · Vol. 11, Issue 3, 2020 · pp. 12–19 Read article
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Review on Darunaj-aqrabi (Doronicum hookeri C.B. Clarke): an Unexplored Medicinal Plant of Unani System of Medicine
Abstract: Introduction: The rhizomes of medicinal plant Darunaj-aqrabi (Doronicum hookeri C.B. Clarke ex Hook.f.) (Family Asteraceae) has long been used in Unani system of medicine (USM) as Cardiac tonic (invigorative and exhilarant), nervine tonic, carminative, protective of the foetus, antidotary etc. in different dosage forms. It is included in specific drugs for heart and is much valuable for palpitation. Because of having antidotal characteristics and protective (corrective) attributes, the rhizomes are …
Published in Journal of AYUSH: Ayurveda, Yoga, Unani, Siddha and Homeopathy · Vol. 9, Issue 2, 2020 · pp. 41–52 Read article
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Comprehensive Survey on Substance Abuse in Guwahati - Trends, Magnitude and Gaps
Abstract: Drug Addiction, substance abuse or chemical dependency, different terms for an extremely complex social malady which stealthily creeps into homes and communities breaking down relationships, values, finances, hope and faith, dignity and self-respect. In 1972, the then Assamese weekly news-magazine Nilachal had carried banner headlines of drug addiction discovered in elite Shillong boarding schools. There were a few kids trying out ganja, they were a rarity. Even other traditional drugs …
Published in Research and Reviews: A Journal of Health Professions · Vol. 3, Issue 3, 2013 · pp. 11–27 Read article
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Subacute Intestinal Obstruction: Clinical Profile and Short-term Follow up in a Tertiary Care Hospital in Bangladesh
Abstract: Background: Subacute intestinal obstruction (SAIO) implies incomplete, intermittent, or recurrent obstruction. The diagnosis of SAIO is usually delayed and several patients continue to suffer from symptoms for weeks and months due to the waxing and waning nature of the disease. Objective: To see the clinical presentation, aetiology, type of management and short-term outcome of the patients of SAIO. Method: This prospective cohort study was performed in the Department of Gastroenterology, …
Published in Research and Reviews : A Journal of Immunology · Vol. 8, Issue 3, 2018 · pp. 19–23 Read article
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The Augmented Role of DIF on Diagnosis of Glomerular Disease in a Study in Northern Part of Bangladesh
Abstract: Introduction: Direct immunofluorescence (DIF) study is an important investigation tool for the accurate diagnosis of glomerulonephritis (GN). This study was aimed to evaluate the pattern of glomerular diseases in the northern part of Bangladesh and to see the advanced role of DIF over light microscopic (LM) findings for accurate diagnosis of various glomerular diseases. Methods: This cross-sectional analytical study was carried out in the department of nephrology of Rangpur medical …
Published in Research and Reviews : A Journal of Immunology · Vol. 8, Issue 3, 2018 · pp. 32–36 Read article