Search
235 articles for “Space applications”
-
Performance Evaluation of Adverse Atmospheric Effects on Free Space Optical Communication
Abstract: There is an increasing need for communication systems that can accommodate high bandwidth and quick data transfer rates in today's fast-paced technological environment. Free Space Optical (FSO) communication has become a very attractive technology to address these changing needs. FSO systems, which use license-free infrared beams, have a number of benefits, including strong bandwidth, immunity to interference, improved security, and small, light designs. FSO is used in many different applications, …
Published in International Journal of Solid State Innovations & Research · Vol. 2, Issue 1, 2024 · pp. 21–29 Read article
-
Size-biased Sujatha Distribution with Properties and Application to Model Flood Data
Abstract: In this study, a size-biased version of the Sujatha distribution was proposed to model flood data. The descriptive statistical properties based on moments and the reliability properties of the distribution are discussed in detail along with their derivation and graphical presentation. An interesting feature of the proposed distribution is that it is a member of the exponential family of distributions. A sequential probability ratio test was performed using the proposed …
Published in Research & Reviews : Journal of Statistics · Vol. 13, Issue 1, 2024 · pp. 31–46 Read article
-
Survey on Fractal Microstrip Antenna for Multiband 5G Application
Abstract: In the paper, a two-iteration fractal structure antenna—based on the advantages of fractal geometry and incorporating the principles of conventional microstrip antenna design and resonant coupling technique—is studied for third generation (3G), fourth generation (4G), fifth generation (5G), WLAN, and Bluetooth wireless applications. Antenna radiators were shown to have a fractal structure, much like a tree in the wild. The length of the radiator in a limited space can be …
Published in Journal of Microwave Engineering and Technologies · Vol. 10, Issue 3, 2023 · pp. 16–22 Read article
-
Review on Azo-Compounds and Their Applications
Abstract: Azo-colored compounds that form the basic structure of many synthesized compounds in many fieldsof chemistry, especially coordination chemistry, as they contain a group (-N=N-). These dyes arewidely used as colorants, as they contribute to nearly 50% of artificial colors. Also in manyapplications such as ink-jet printing, optical imaging, and biomedical diagnostics , azo dye containsone or more D-π-A systems that can produce various colors by changing the electron donation (D) …
Published in Journal of Catalyst & Catalysis · Vol. 8, Issue 2, 2021 · pp. 8–16 Read article
-
Examining Research Patterns and Concepts in Relation to Frameworks for Sustainable Supply Chain Management (SSCM)
Abstract: Structures abound in writing about Sustainable Supply Chain Management (SSCM). Nevertheless, no effort has been made to date to identify the anomalies in the systems that are in place now and the associated research trends. This research is motivated primarily by a survey of SSCM structures and feature abnormalities. The analysis also promotes new applications and aids in the analysis of SSCM structure constructions and exploration patterns. Using the Scopus …
Published in International Journal of Industrial and Product Design Engineering · Vol. 1, Issue 2, 2023 · pp. 26–41 Read article
-
Remote Monitoring Sensor Systems and Applications in Health Informatics: Fostering Shell Programming
Abstract: The fascination of sensor systems has been promising for health informatics as their direct initiative for real-time information by observing its accuracy that was required at the time for data collection, monitoring and analysis to improve patient well-being and health system administering. By integrating these systems with wearable devices, biomedical sensors, and other IoT-enabled technologies, patients can experience continuous health tracking, early disease detection, and remote patient monitoring. For example, …
Published in Research and Reviews : Journal of Computational Biology · Vol. 14, Issue 2, 2025 Read article
-
Advancements in Earth Observation Satellites: A Case Study of ISRO’s Missions
Abstract: Earth observation satellites are an essential tool for monitoring and understanding the Earth's environment, weather patterns, and natural resources. The Indian Space Research Organisation (ISRO) has launched several earth observation satellites over the years, contributing significantly to this field. ISRO's earth observation satellites include the Resourcesat series, Oceansat, Cartosat, and ScatSat. These satellites are equipped with various sensors and instruments, such as multispectral cameras, microwave radiometers, and scatterometers, which provide …
Published in Research & Reviews : Journal of Space Science & Technology · Vol. 13, Issue 1, 2024 · pp. 37–48 Read article
-
Experiencing 3D regions through portal using Augmented Reality
Abstract: AbstractThis paper presents how augmented reality can be used to augment different places (hotels, museums, zoos, etc.) in the user’s own environment. Augmented Reality (AR) is a new technology that involves the 3D rendering of computer graphics in the real world. Using Augmented Reality we can get the actual idea about different places instead of a false impression. Augmented reality (AR) frameworks present a blend of virtual and genuine items. …
Published in Journal of Computer Technology & Applications · Vol. 10, Issue 3, 2019 · pp. 1–7 Read article
-
Performance Evaluation of 5G transmission system and Simulation Modeling
Abstract: Orthogonal multiple access (OFDMA) is a very important technology for the fifth generation (5G) wireless communication networks to provide the need of the flexible demands of users on lower latency rate, high level of reliability, good amount of connectivity, large fairness, and high data throughput. The key idea behind MIMO based 5G networks are to provide multiple users in common resource block. The MIMO OFDM principle is the main framework …
Published in Journal of Telecommunication, Switching Systems and Networks · Vol. 8, Issue 1, 2021 · pp. 21–32 Read article
-
Signal Identification of Differential STBC-OFDM System
Abstract: AbstractBlind recognition of communication parameters is a research topic of high importance for both military and civilian communication systems. Signal identification has emerged as an enabling technology for intelligent wireless communication systems with applications in military and commercial fields. Several identification algorithms are proposed for multiple antenna (MA) systems with multicarrier (MC) transmissions. The previously investigations are mostly limited to space-time block code (STBC) systems and space frequency block coding …
Published in Recent Trends in Electronics Communication Systems · Vol. 5, Issue 2, 2018 · pp. 21–27 Read article
-
Automatic Flame Detection and Tracking
Abstract: Recent advancements in independent robotics, embedded systems, and intelligent perception have appreciably improved the capability of firefighting robots designed for early fire detection, flame localization, and suppression. A broad range of studies explores vision-based and sensor-fusion techniques designed for reliable flame discovery in complex environments. Image-processing approaches—including adaptive edge-detection, infrared/thermal imaging, color-space analysis, and profound learning—are extensively implement to enhance real-time fire gratitude, even in the presence of smoke or …
Published in International Journal of Advanced Robotics and Automation Technology · Vol. 4, Issue 1, 2026 · pp. 6–12 Read article
-
A Review of Particle Swarm Optimization
Abstract: Particle swam optimization (PSO) is a computational technique that streamlines a problem by attempting to improve the arrangement of an applicant with respect to a given value ratio iteratively. This approaches the problem by having a number of candidate solutions, and then pushes the particles in the search space according to a mathematical equation over the position and velocity of the particles. Researchers and specialists have provided various perspectives and …
Published in Journal of Communication Engineering & Systems · Vol. 11, Issue 2, 2021 · pp. 29–36 Read article
-
Shunt Active Power Filter Using Three Level Inverter without PI Controller
Abstract: This paper presents simulation and analysis of shunt active power filter using three level inverter. Different types of filters can be used for elimination of harmonics in the power system with nonlinear load. Three level VSI (Voltage Source Inverter) can be used for high voltage application. Three level NPC (Neutral Point Clamped) VSI is used for active power filter. In this paper, FFT (Fast Fourier Transform) algorithm for reference current …
Published in Journal of Power Electronics and Power Systems · Vol. 5, Issue 3, 2015 · pp. 76–86 Read article
-
Detection of VOCs in Enclosed Space Using a Sensor Array
Abstract: In an era where rapid industrialization and urbanization continue to shape our environment, ensuring the safety and well-being of individuals in enclosed spaces is of paramount importance. One of the key challenges in this endeavor is the detection of toxic gases and volatile organic compounds (VOCs) that can pose severe health risks if left undetected. So, the primary motive of this model is to design and implement a sensor array …
Published in Journal of Aerospace Engineering & Technology · Vol. 14, Issue 2, 2024 · pp. 8–13 Read article
-
Compatibility Issues of Heat Pipes for Radioactive Exposures
Abstract: AbstractSelection of alloys are refractory materials those withstand high temperature, radioactive embrittlement effects for long periods. Effects of high temperature and neutron embrittlement are subjects considered in this article. Effects of coolants, reactive gases like oxygen are facts of importance to select materials for reactor construction system. Selections of radioactive protecting alloys like sleeves are of importance to produce systems within margins of weight. Compatibilities have been decisive among material, …
Published in Journal of Nuclear Engineering & Technology · Vol. 9, Issue 3, 2019 · pp. 24–32 Read article
-
Multifunctional Materials for Electro-Mechanical Applications: Synergistic Integration of Strength and Conductivity
Abstract: The integration of mechanical strength and electrical conductivity within a single material system has emerged as a critical requirement in the development of next-generation multifunctional materials. These materials are increasingly sought after in fields such as aerospace, flexible electronics, energy storage, and structural health monitoring, where the traditional separation of structural and functional materials leads to inefficiencies in weight, space, and overall performance. The convergence of these properties enables compact …
Published in International Journal of Electro-Mechanics and Material Behaviour · Vol. 3, Issue 1, 2025 · pp. 1–6 Read article
-
Artificial Intelligence in Robotics: Current Trends, Applications, and Future Challenges
Abstract: The incorporation of artificial intelligence (AI) into robotics has transformed the industry by greatly improving robots' capacity to carry out complex and autonomous functions in a wide range of sectors. This paper explores the evolution, applications, and challenges associated with AI-driven robotics. It examines key AI methodologies employed in robotics, including machine learning, natural language processing (NLP), computer vision, and planning/control algorithms, which enable robots to perceive, learn, and interact …
Published in Journal of Advancements in Robotics · Vol. 12, Issue 2, 2025 · pp. 31–43 Read article
-
Effects of Fracture Properties on Oil Recovery in Tight Reservoirs
Abstract: Unconventional reservoirs, characterized by low permeability are gradually becoming a force to reckon with in today’s world owing to the rapid depletion of conventional resources. However, low oil production from tight reservoirs can be mitigated by implementing hydraulic fracturing. In this study, Schlumberger’s eclipse-100 simulator was used to simulate various scenarios in order to determine the best fracture geometry and the effects of fracture properties on oil recovery. The properties …
Published in Journal of Petroleum Engineering & Technology · Vol. 6, Issue 3, 2016 · pp. 12–31 Read article
-
Sensorless Direct Power Control of Brushless DC Motor Drive using Unknown Input Speed Observer
Abstract: This paper proposes the speed control of brushless DC (BLDC) motor via direct power control (DPC) method as a novel and effective strategy in electrical drives applications. The DPC has some advantages rather than other control methods of BLDC motor including simpler control algorithm and faster dynamic response. In proposed BLDC motor drive based on DPC strategy, space vector modulation (SVM) voltage source inverter is employed. To enhance the drive …
Published in Journal of Control & Instrumentation · Vol. 6, Issue 3, 2015 · pp. 31–41 Read article
-
Performance Enhancement of Cognitive Radio Spectrum Sharing (CRSS) with MIMO System
Abstract: A key challenge in operating cognitive radios (CRs) in a self-organizing (ad hoc) network is to adaptively and efficiently allocate transmission powers and spectrum among CRs according to the surrounding environment. Cognitive radio networks will provide high bandwidth to mobile users via heterogeneous wireless architectures and dynamic spectrum access techniques. CR networks inflict challenges due to the fluctuating nature of the available spectrum, as well as the diverse QoS requirements …
Published in Journal of Telecommunication, Switching Systems and Networks · Vol. 2, Issue 3, 2015 · pp. 13–18 Read article