Search
1951 articles for “technique” (ranking capped at the first 2,000 matches — narrow the search to see the rest)
-
A Study on Different Optical OFDM using VLC System
Abstract: AbstractThe main goal of the paper is to preview the work that has already been carried out associated with optical OFDM in the VLC system. Different optical OFDM techniques such as direct-current biased optical OFDM (DCO-OFDM), asymmetrical clipped optical ofdm (ACO-OFDM) and many others are discussed. Nowadays, in conversation systems Visible Light Communication (VLC) plays a major role in the communication field. In the present paper, an overview on transmission …
Published in Trends in Opto-electro & Optical Communication · Vol. 8, Issue 2, 2018 · pp. 13–19 Read article
-
Passive Capillary Flow of Aqueous Microparticle Suspensions in the Sudden Expansion PMMA Microchannels
Abstract: AbstractAuthor has fabricated a set of sudden expansions micro channels in the polymethylmethacrylate (PMMA) microfluidic devices by the maskless lithography, hot embossing lithography, drilling, air dielectric barrier discharge (DBD) plasma processing, direct bonding technique and chip separation technique. The surface-driven capillary flow of dyed water and three individual aqueous microparticle suspensions are studied with respect to the effects of channel aspect ratio, effective viscosity and surface wettability. The number densities …
Published in Trends in Opto-electro & Optical Communication · Vol. 7, Issue 1, 2017 · pp. 13–17 Read article
-
Optical Characteristics of Amorphous Se-Ge-Ag Thin Films
Abstract: AbstractDetailed studies on impurity dependence of the optical structural properties have been carried out on Se-Ge-Ag thin film samples prepared by thermal evaporation technique. The effect of the addition of varying amounts of silver in concentrations from 5 to 15 molar percent to Se-Ge system were analyzed systematically under the room temperature. The optical transmission and reflection spectra of these films were measured in the range of 300–900 nm. The …
Published in Trends in Opto-electro & Optical Communication · Vol. 6, Issue 3, 2016 · pp. 33–38 Read article
-
Real-Life Demonstration on the Surface-Driven Capillary Flow in Microfluidic Devices
Abstract: AbstractIn this research paper, glass and PMMA are chosen as materials to fabricate the microfluidic devices due to the optical transparency of these materials. The microfluidic devices are fabricated by the maskless lithography (non-contact lithography), hot embossing lithography (contact lithography), indirect bonding technique, and direct bonding technique. The surface-driven capillary flow is recorded corresponding to each microfluidic device by a CMOS camera. The colour-images are compared with the gray-scale-images for …
Published in Trends in Opto-electro & Optical Communication · Vol. 6, Issue 2, 2016 · pp. 8–17 Read article
-
Review on Optimization of Wireless Optical Communication System
Abstract: AbstractWireless optical communication [WOC] is a recently emerging field, which gives solution for the drawbacks of radio and microwave communication issues. Optical fiber communication has already developed and accepted by its high performance such as high data capacity, speed etc. But WOC experiences atmospheric turbulence problems and distant dependent path loss. And scintillation and aerosol particles (rain, haze, fog and drizzle) bring this major challenge for the WOC system by …
Published in Trends in Opto-electro & Optical Communication · Vol. 4, Issue 2, 2014 · pp. 9–19 Read article
-
Optical Recording of Flow Phenomena in Photoresist based Microfluidic Devices
Abstract: AbstractIn this experimental work, a set of three individual SU-8 based glass microfluidic devices are fabricated by maskless lithography and indirect bonding technique without having any microfluidic leakage. Dyed ethanol (10% ethanol, 90% red dye) is prepared and used as dyed working liquid. The microfluidic leakage is observed in other set of two leaky microfluidic devices due to improper indirect bonding technique. The effect of surface-to-volume ratio on surface-driven capillary …
Published in Trends in Opto-electro & Optical Communication · Vol. 10, Issue 1, 2020 · pp. 36–42 Read article
-
Fingerprint Recognition for Crime Scenes Using Deep Learning
Abstract: Crime-scene fingerprint photos are crucial hints for resolving ongoing cases. Using deep machine learning and convolutional neural networks, we provide a comprehensive crime scene fingerprint identification method in this research (CNN). Precision photography and sophisticated physical and chemical processing techniques are used to collect images from crime scenes, which are then kept as databases. It can be challenging to categorize the photographs taken from the crime scene because they are …
Published in Trends in Opto-electro & Optical Communication · Vol. 12, Issue 2, 2022 · pp. 13–18 Read article
-
Resilient Characteristics of Modified Subgrade Soil
Abstract: AbstractThe problems with poor subgrade soil which is considered as the foundation for the flexible pavement regarding the deformation under load repetitions is a major concern for road engineers. The Poor subgrade soil may be improved by stabilization or implication of soil reinforcements. In this work, the pneumatic repeated loading testing techniques has been implemented for assessing the influence of both techniques on the resilient characteristics of subgrade soil. Cutback …
Published in Trends in Transport Engineering and Applications · Vol. 4, Issue 3, 2017 · pp. 28–37 Read article
-
Mode Choice Analysis: Fundamental and Models
Abstract: AbstractTravel behavior plays an important role in transportation planning. Mode choice has direct impact on the policy making decision. It is behavioral and complex in nature. The objective of this study is to carryout detailed review on various modeling methods of mode choice analysis. The factors that affect the traveler’s mode choice decision have been discussed. The methods of data collection have been briefly discussed. Further the paper highlights on …
Published in Trends in Transport Engineering and Applications · Vol. 5, Issue 1, 2018 · pp. 7–13 Read article
-
Optimization of Performance Characteristics of Rail Wheel Profiling using Taguchi with ANOVA
Abstract: Optimization is the process or technique to approach the best output goal, which is necessary, that the production of the industries at the best quality in minimum total input cost and maximize the profit. So there are many optimization methods, one of them is Taguchi method. The outline of the paper, the optimization approach based on Taguchi method, which is to optimize the cutting parameter in under grounded CNC Turning …
Published in Trends in Transport Engineering and Applications · Vol. 2, Issue 1, 2015 · pp. 25–38 Read article
-
A Basic Framework for Evaluation of Rural Road Network Conditions
Abstract: Evaluation of rural road condition has been extensively used as an effective means to support decision-making on investment and management of rural road in both developed and developing countries. Distresses in the form of surface defects, cracks, deformation, disintegration, are common on rural roads. Rural roads must be maintained to provide safe, efficient fast and economic vehicle operations. Evaluation of conditions is recognized as essential requirements for effective maintenance management …
Published in Trends in Transport Engineering and Applications · Vol. 2, Issue 2, 2015 · pp. 17–22 Read article
-
Pot Holes: Filling of Pot Holes (Problems, Repairs, Material for Filling)
Abstract: The concept of pot holes has come into context since many years. The current techniques and methodology of construction of roads have reached goals of urban transport. Due to current traffic conditions, variation of temperature, weather, water logging, etc. result in cracks or pot holes. Efficient use of techniques, modes of repairs, minimizing the causes of pot holes will help to save huge amount of funds and that can be …
Published in Trends in Transport Engineering and Applications · Vol. 4, Issue 1, 2017 · pp. 31–35 Read article
-
Time Saving in Construction Road Using Prestressed Precast Concrete Pavement
Abstract: In this paper the results of laboratory investigation preceding realization of continuous pre stressed concrete pavement .to minimize the effect of traffic congestion ,a method with the speedy construction and lower user impact cost is needed. This paper introduces relatively new pavement construction method which developed in united state .which is called as pre stressed precast concrete pavement(PPCP).PPCP is comparatively sustainable and economical as compare to cement concrete pavement. Their …
Published in Trends in Transport Engineering and Applications · Vol. 7, Issue 3, 2020 · pp. 8–12 Read article
-
Revolutionizing Urban Traffic Management: An AI and Multi-Agent System Approach Leveraging IoT Technology
Abstract: Our study addresses the challenging issue of traffic congestion in modern urban areas and the limitations of traditional solutions like road expansion and network indicators. To effectively tackle traffic congestion, the study explores various strategies that analyze traffic elements, falling into the Macroscopic and Microscopic Models. However, conventional traffic modeling faces significant challenges in dealing with complex traffic systems.Artificial Intelligence (AI) techniques, including fuzzy logic, evolutionary algorithms, neural networks, and …
Published in Trends in Transport Engineering and Applications · Vol. 10, Issue 3, 2023 · pp. 1–8 Read article
-
Design of Microstrip Yagi Uda Antenna by Using Triangular Patches
Abstract: AbstractA novel design of microstrip yagi uda antenna by using triangular patches at resonating frequency of 9.4 GHz is proposed in this paper. The microstrip antenna is designed by using triangular patches which improves the gain, directivity and efficiency of the antenna. The microstrip yagi uda antenna was simulated by Computer simulation technique (CST) MW studio software. In this paper, the simulated results such as radiation pattern, input impedance, return …
Published in Current Trends in Information Technology · Vol. 3, Issue 1, 2013 · pp. 21–23 Read article
-
Design of Triple Band Microstrip Yagi Uda Antenna
Abstract: Abstract A microstrip yagi uda antenna with triple band is proposed in this paper. The design antenna consists of CPW feeding in which the ground plane and the yagi antenna are on the same plane. The resonating frequency of design antenna is 6.29, 7.97 and 9.26 GHz. The antenna had achieved the directivity of 5.232, 5.704 and 6.062 dBi. The impedance of antenna is completely matched at all the three …
Published in Current Trends in Information Technology · Vol. 3, Issue 2, 2013 · pp. 7–10 Read article
-
Investigate the Implication of “Self-service Business Intelligence (SSBI)”—a Big Data Trend in Today’s Business World
Abstract: Information is a life blood of any business organization. At present, the data will generate from many sources. It is scattered and unorganized in nature. To make a date meaningful, there are various data analytics tools. The data analytics are quantitative techniques and methods that can convert an unorganized data into organized and generate the meaningful information. Through information, business professionals’ can easily scrutinize the business conditions, understand the business …
Published in Current Trends in Information Technology · Vol. 10, Issue 1, 2020 · pp. 17–22 Read article
-
Historical Essay on Information Communication and Technology (ICT) Usage on Students’ Academic Performance: A Case Study of Umar Suleman College of Education, Gashua of Yobe State
Abstract: This study discusses impact of Information Communication Technology (ICT) usage on students’ academic performance: A case study of Umar Suleiman College of Education, Gashua, Yobe State. Students are not meant to be confirmed simply within the context of learning in the lecture hall in today's education. They will be expected to delve into the broad horizon of knowledge made possible today by information and communication technologies (ICT). The goal of …
Published in Current Trends in Information Technology · Vol. 12, Issue 1, 2022 · pp. 20–26 Read article
-
A Survey on Neural Network based Classifier for Arrhythmia Detection
Abstract: Electrocardiogram (ECG) is one of the important diagnostic tool for the detection of the heart problem. Increasing number of cardiac patients need automatic detection techniques for various abnormalities or arrhythmias of the heart to reduce pressure on physicians and share their load. Coronary Care Units (CCUs) emphasizes on the task of accurate analysis of ECG signal at an early stage that can prevent disease, like tachycardia, to escalate there by …
Published in Journal of Communication Engineering & Systems · Vol. 8, Issue 2, 2018 · pp. 88–97 Read article
-
A Survey on Recent Microstrip Patch Antenna for Navigational Application
Abstract: ABSTRACTSince last so many years microstrip patch antenna is one of the important fields for antenna design. For a different application of satellite communication in which prize, structure simple installation process is one of the key requirement low profile antenna is good to consider. Microstrip antennas is also fulfill the requirements of mobile communication as well as wireless communication. For navigational application the few important parameters are there like compact …
Published in Journal of Communication Engineering & Systems · Vol. 9, Issue 1, 2019 · pp. 55–59 Read article