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346 articles for “Space-time”
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Impact of Plant Diversity in Cereal Aphid Density in Wheat Crops
Abstract: AbstractGrain aphids cause financial damage to wheat crops. In Tamil Nadu, Eriopis connexa is an indigenous ladybird. In the present study, the numerical reaction of E. connexa to changes in aphid thickness on wheat crops with high and low plant differing qualities was examined. The study was completed in Coimbatore, Tamil Nadu, from September to December 2007 and 2008, on two wheat crops with either a higher plant differing qualities …
Published in Research & Reviews : Journal of Agricultural Science and Technology · Vol. 4, Issue 2, 2015 · pp. 35–38 Read article
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Land Use/Land Cover Variation in Khordha District under Chilika Catchment
Abstract: Human activities have in recent years become recognized as a major force in shaping the biosphere. The land use/land cover pattern of a region is an outcome of natural and socio-economic factors and their utilization by man in time and space. Land is becoming a scarce resource due to immense agricultural and demographic pressure. Remote sensing (RS) and geographic information systems (GIS) techniques provide effective tools for analyzing the land …
Published in Research & Reviews : Journal of Space Science & Technology · Vol. 5, Issue 1, 2016 · pp. 22–34 Read article
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To Develop Efficient and Time Effective Search Model for Comparing Nucleotide Sequences with Database
Abstract: AbstractSearching of gene from their database is an important and common practice in various studies related to identification of similar genes against a query gene sequence. Our objective was to develop a faster search model by partitioning search space which is only possible through the numerical representation of genes that will satisfy test of reliability, uniqueness and speed required for this purpose. The result showed promise in speedier identification of …
Published in Research & Reviews: A Journal of Bioinformatics · Vol. 4, Issue 2, 2017 · pp. 24–27 Read article
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Purification of Liquid Fuel and Special Liquids from Solid Harmful Inclusions and Concentration of Chlorella in Conditions of the Acceleration of Gravity Decrease and Weightlessness
Abstract: Purification of liquid fuel and special liquids from solid harmful inclusions in aircrafts and spacecraft under conditions of reduced acceleration of gravity and weightlessness is a very important, and also a critical task for an aircraft or rocket engine and life support systems of astronaut crews. An equally important role is played by the concentration of Chlorella from its nutrient medium during space flight to add this concentrate to the …
Published in Journal of Aerospace Engineering & Technology · Vol. 10, Issue 3, 2020 · pp. 35–45 Read article
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Enhancing the Efficiency of Subthreshold Nanoscale MOSFETs for IoT Applications.
Abstract: In the contemporary landscape of the Internet of Things (IoT), this study focuses on the design and optimization of underlap Silicon-on-Insulator Metal-Oxide-Semiconductor Field-Effect Transistors (SOI MOSFETs) tailored for real-time IoT applications. Employing an optimal spacer size (approximately 0.8 times the gate length, or LG), the device exhibits, at an operational frequency of20 GHz, an intrinsic gain of about 25 dB in the low to moderate inversion region (VOD=VGS– VTH≤90 mV, …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 13, Issue 3, 2023 · pp. 1–7 Read article
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FEATURE SELECTION METHODS FOR OBJECT-BASED CLASSIFICATION OF TROPICAL FOREST USING SPOT 5 IMAGERY
Abstract: The faster development of spatial technology, the more options in material for image analysis and this characteristic also leads to a huge diversity of image features. Aiming at investigating the optimal feature space for classification with emphasis on efficiency in less time-consuming, image objects separability, certain numbers of approaches ranging from graphical to statistical methods involving class separation distances have been used for classification related to Object-based Image Analysis (OBIA). …
Published in Journal of Remote Sensing & GIS · Vol. 7, Issue 2, 2016 · pp. 41–49 Read article
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Design and Implementation of an IoT-based Traffic and Parking Management System Integrated with GIS for Urban Environments
Abstract: As urbanization accelerates, managing traffic flow and parking availability has become increasingly challenging. This article presents the design and implementation of an internet of things (IoT)-based traffic and parking management system integrated with geographic information systems (GIS) to address these challenges in urban environments. The proposed system utilizes a network of IoT sensors to monitor traffic flow, congestion levels, and parking space availability in real time. The data collected by …
Published in Trends in Transport Engineering and Applications · Vol. 11, Issue 3, 2024 · pp. 23–32 Read article
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A Hybrid Algorithm for Duplicate Document Detection
Abstract: Identification of duplicate document in a set of documents is a very big issue in information retrieval. In recent years, there are many researches going on and many methods have been proposed to detect and remove the duplicate documents but their relevance is still an issue. This paper proposed a hybrid algorithm based on word position by integrating n-gram searching technique. This experiment also uses inverted index to reduce the …
Published in Journal of Advanced Database Management & Systems · Vol. 2, Issue 2, 2015 · pp. 24–34 Read article
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AccuPark: Intelligent Parking Using Wheel Detection
Abstract: Nowadays Due to rapid urbanization and the increasing number of vehicles in India, major traffic problems have emerged in cities. The lack of parking spots is one of the main causes. Even when parking spaces are available, they are often not properly managed. Additionally, improper and unorganized parking by individuals leads to inefficient use of available space, further worsening traffic congestion as people tend to park their vehicles anywhere. This …
Published in Journal of Instrumentation Technology & Innovations · Vol. 16, Issue 2, 2026 Read article
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Adaptive Car Parking Systems: Utilizing Real-Time Data and wireless sensors (optical sensors) microsystems for car parking assistance
Abstract: This Android Car Parking System App aims to simplify and improve the car parking experience for users. It provides a convenient solution for locating available parking spots, making reservations, and charging electric vehicles. The app leverages smartphone technology to enhance user convenience, reduce parking congestion, and promote efficient space utilization. The motivation behind this app is to address these issues and make the parking process more convenient and efficient. By …
Published in Journal of Semiconductor Devices and Circuits · Vol. 11, Issue 2, 2024 Read article
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The Digital Frontier: How Computers Are Shaping the Future of Space Exploration
Abstract: The integration of computers and space technology has revolutionized the way we explore and understand space. Advanced computing systems play a pivotal role in space missions, from spacecraft navigation and communication to data processing and analysis. These technologies enable accurate modelling, simulation, and mission planning, allowing scientists and engineers to overcome the challenges of space exploration. Computers have also facilitated innovations such as artificial intelligence in autonomous spacecraft and real-time …
Published in International Journal of Satellite Remote Sensing · Vol. 3, Issue 1, 2025 · pp. 1–10 Read article
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Evaluation of Antenna Performance using a Novel Measurement Device: Methodology and Results
Abstract: In the last decade, the field of On Chip Antennas (OCA) has experienced unprecedented growth due to the introduction of small, low-cost, low-power System-on-Chip (SoC) wireless communication devices. OCAs are superior to conventional off-chip antennas in a number of ways. They first reduce the overall size of the wireless communication system since the presence of an OCA eliminates the need for an impedance matching network between the antenna and RF …
Published in Journal of Telecommunication, Switching Systems and Networks · Vol. 11, Issue 1, 2024 · pp. 24–29 Read article
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Factors Affecting Implementation of Pharmaceutical Care at Jimma University Specialized Hospital, South West Ethiopia
Abstract: Pharmaceutical care is the responsible provision of medicine therapy for the purpose of a definite outcome that improves a patient’s quality of life. It is a necessary element of healthcare and the concept implies the active participation of the patient in medicine therapy decisions and, the cooperation of healthcare providers across disciplines. This study was conducted to explore factors that affect the implementation of pharmaceutical care at Jimma University Specialized …
Published in Research and Reviews: A Journal of Pharmaceutical Science · Vol. 7, Issue 3, 2016 · pp. 30–40 Read article
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Performance Analysis of Space Shift Keying and Quadrature Space Shift Keying for MIMO Channels
Abstract: In wireless communication the propagation channel is characterized by multipath propagation due to scattering on different obstacles. MIMO takes advantage of multi-path and uses multiple antennas to send multiple parallel signals from transmitter. “Multi-path” occurs when different signals arrive at the receiver at various times. MIMO exploits the space dimension to improve wireless systems capacity, range and reliability. There are two different modulation techniques that exploits the best features of …
Published in Research & Reviews : Journal of Space Science & Technology · Vol. 11, Issue 4, 2022 · pp. 46–55 Read article
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Review on Planetary Rovers Lunokhod to Curiosity and Beyond
Abstract: The objective of given paper is to provide peer review on the history of planetary rovers. It provides inference that the historic pioneering venture from Lunokhod to Curiosity were made possible by following pioneering strategies, also a sustained effort of science and exploration missions in space with unceasingly more capable technologies. This journey encourages curiosity, competitions, inventions, innovations, revolutions, discoveries and gives a solid foundation for future pioneering space. NASA …
Published in Research & Reviews : Journal of Space Science & Technology · Vol. 7, Issue 1, 2018 · pp. 15–23 Read article
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Cloud-Based Smart Car Parking System
Abstract: AbstractSearching for a parking space especially in peak hours is time consuming, tedious and troublesome. The existing manual parking system facilitates the first come first serve basis and this has become troublesome when the parking is full. A smart, sophisticated and advanced computerized-based parking management system is the need of the hour. Internet of Things (IOT) Cloud-based Smart Car Parking solution proposed here, use sensing mechanism to update and allocate …
Published in Journal of Advanced Database Management & Systems · Vol. 6, Issue 1, 2019 · pp. 55–61 Read article
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Dynamic Analysis of the Proposed Bi-directional Converter for Charging and Discharging Operation
Abstract: AbstractThis paper proposes a fifth order bi-directional converter configuration with low current ripple on either side as well as good voltage conversion range having only three switches. This converter is implemented for load power levelling between a DC grid and secondary batteries. A comparative study of proposed topology with widely used bi-directional converter configurations is made and relative merits and demerits are pointed out. With state-space and discrete-time modelling techniques, …
Published in Journal of Semiconductor Devices and Circuits · Vol. 4, Issue 2, 2017 · pp. 41–51 Read article
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A Review on Smart Parking System
Abstract: The Smart Parking System is an intelligent solution designed to reduce traffic congestion and save time by efficiently managing parking spaces using modern technology. To determine if a car is there or not, sensors are placed in each parking space in this system. The collected sensor data is processed by a microcontroller and transmitted to a display unit or mobile application, enabling users to access real-time information about parking availability. …
Published in International Journal of Electrical and Communication Engineering Technology · Vol. 4, Issue 2, 2026 Read article
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Dimensionality Reduction using Eigenfaces and Fisherfaces for Face Recognition Applications using Kernel LMS Algorithm
Abstract: AbstractFace recognition is an intricate numerical technology in computer systems that can support recognition of human faces using methods such as principal component analysis (PCA), linear discriminant analysis (LDA), etc. by comparing the given facial uniqueness with the already available face database. PCA and LDA are classical feature extraction and data representation techniques used in face recognition algorithm involving unsupervised statistical methods. The 2-D facial image can be transformed into …
Published in Journal of Computer Technology & Applications · Vol. 6, Issue 2, 2015 · pp. 29–55 Read article
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Investigation of the Modulation of Solar Wind and Communication Signal Waves and its Effect on Earth Navigation System
Abstract: The solar wind is an uninterrupted outflow of magnetized plasma from the solar corona that reaches interplanetary space and accumulates in the earth's outer atmosphere disturbing the navigation and communication systems. Incoming solar winds move across in the space, form waves during times of robust solar activity. These waves undergo modification in Earth's atmospheric and interfere with communication signal. Navi-Aid Airport frequency communication data, together with ACE Satellite Electron and …
Published in Research & Reviews : Journal of Physics · Vol. 13, Issue 3, 2024 · pp. 26–32 Read article