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177 articles for “Wide Band”
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A Novel Decomposable Pixel Component Analysis Algorithm for Automating Multispectral Satellite Image Denoising
Abstract: In comparison with the standard RGB or gray-scale images the usual multispectral images (MSI) is intended to convey high definition and an authentic representation for real world scenes to significantly enhance the performance measures of several other tasks involving with computer vision, segmentation of image, object extraction and object tagging operations. However, in practices a MSI image is always prone to corruption by various sources of noises while procuring the …
Published in Research & Reviews: A Journal of Embedded System & Applications · Vol. 2, Issue 3, 2014 · pp. 18–25 Read article
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Radio Frequency Energy Harvesting Using Microstrip Antenna
Abstract: In this paper, an antenna for energy harvesting in radio frequency range has been studied. The presented microstrip antenna gives good return loss obtained for wide range of applications in RF region ranges from 2.33 to 6.68 GHz. The anticipated antenna is best suitable to receive the RF energy from the environment that can be used to charge the electronic devices. The simulations of the proposed antenna were carried using …
Published in Journal of Telecommunication, Switching Systems and Networks · Vol. 4, Issue 3, 2017 · pp. 12–15 Read article
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Design Optimization of C-Band 4-Channel WDM Optical Communication System using EDFA
Abstract: AbstractIn this work, the design and experimental characterization of high performance C band Erbium Doped Fiber Amplifier (EDFA) booster which is pumped at 980 nm are presented. The system is simulated using Optisystem software to achieve gain flatness of EDF through optimized fiber length and pumping wavelength. The performance of the system is more efficient at the pumping wavelength of 980 nm than that of 1480 nm for a wide …
Published in Trends in Opto-electro & Optical Communication · Vol. 4, Issue 2, 2014 · pp. 1–8 Read article
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Design of Low Noise Transimpedance Amplifier using Multiple Feedback filter Topology
Abstract: This study presents the highly linear and low noise transimpedance amplifier (TIA) based on CMOS inverter as an amplifier within multiple feedback (MPFB) filter topology. Absence of complex analog circuitry and compatibility with widespread digital CMOS processes highlight this TIA topology asthe best choice in signal conditioning chains approaching analog-to-digital converters (ADCs). Special attention has been given to the TIA stability and compensation networks. Using dedicated low-dropout (LDO) regulator, the …
Published in Journal of Electronic Design Technology · Vol. 13, Issue 1, 2022 · pp. 25–30 Read article
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CdS-Based Photocatalytic Nanostructures: A Promising Material for Various Environmental Applications
Abstract: Modern technological and industrial progress has significantly increased the use of chemicals in product development, leading to greater contamination of water sources by conventional pollutants (such as organic dyes and heavy metals) and harmful microorganisms. Wastewater treatment processes now reveal “emerging pollutants,” including pharmaceuticals, endocrine disruptors, and agricultural chemicals. Certain emerging pollutants, though harmless in some cases, can pose serious risks to various organisms. To address this, researchers are exploring …
Published in Research & Reviews : Journal of Physics · Vol. 14, Issue 1, 2025 · pp. 33–53 Read article
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Performance Analysis of QPSK & QAM Modulation Schemes for Long Term Evolution 4G Communication Standard
Abstract: Long Term Evolution (LTE) is the fourth-generation (4G) communication standard specified by third Generation Partnership Project (3GPP). The LTE standard deploys higher modulation schemes such as QPSK & QAM. These techniques along-with OFDM are widely utilized in LTE systems. The objective of this paper is to analyse and compare QPSK, 16-QAM, 64-QAM modulation techniques for different values of Signal to Noise Ratio (SNR). The simulation of these techniques is carried …
Published in Recent Trends in Parallel Computing · Vol. 6, Issue 2, 2019 · pp. 27–37 Read article
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Ionospheric Disturbances and Communication Signal anomalies due to eruption of Solar flare Activity
Abstract: Solar flares tend to disrupt the radio communication systems and modulate active radio wave frequencies, particularly the ones that have utility in High Frequency (HF) radio signals and transceiver signals because they are the ones who find utility in radio communications systems. Solar flares generate electromagnetic waves which interact with the earth’s atmospheric medium and travel through the ionospheric region. These electromagnetic waves modulate radio frequency communication signals. This modulation …
Published in Current Trends in Signal Processing · Vol. 15, Issue 1, 2025 · pp. 7–14 Read article
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Artificial Intelligence Based Plant Disease Detection
Abstract: This paper analyses the advanced Neural Network (NN) techniques for hyperspectral data processing, with a particular focus on detecting plant disease. To initiate, we will discuss the NN mechanism, types, models, and classifiers that are used to process the hyperspectral data using different algorithms. Following that, this project discusses the current state of imaging and non-imaging hyperspectral data for early screening and diagnosis of Disease. The NN-hyperspectral hybridization method has …
Published in Recent Trends in Programming languages · Vol. 8, Issue 3, 2021 · pp. 11–24 Read article
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Visionary Fusion: Empowering Robot Sight with Model-driven Multi-band Enhancement
Abstract: Single image enhancement is crucial for improving visual quality in applications like robot vision. This study proposes a novel topic-model assisted multi-band image fusion method to enhance a single input image while preserving semantic information. The key innovation is using topic models for adaptive band fusion based on image content. Comparative experiments on benchmark datasets demonstrate that the proposed technique outperforms state-of-the-art methods in quantitative and qualitative evaluation. This study …
Published in Journal of Advancements in Robotics · Vol. 10, Issue 3, 2023 · pp. 11–19 Read article
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Communication at High Data Rate with VCSEL Over MMF and Investigations
Abstract: AbstractThis paper presents performance evaluation for the high data rate proposed communication network with VCSEL and multi-mode optical fiber. Numerous numerical evaluations have been carried out for key parameters over the span of multi-mode fiber. It showed wide eye opening over the selected length of fiber. It depicted good performance for line width of 10, lower normalizer average power, with temperature value of 40 degree centigrade. Overall performance over 2km …
Published in Journal of Communication Engineering & Systems · Vol. 9, Issue 1, 2019 · pp. 14–21 Read article
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Reliable Data Transport in Platform-Based WSN
Abstract: Wireless Sensor networks (WSNs) are being used widely in the data to day life of human. Sensor network is a collection of tiny sensors connected through different Wireless medium. The main aim of sensor networks is to monitor and control of physical environments from remote locations with better accuracy. WSNs are having a wide range of applications areas such as military battle fields, environmental monitoring, health monitoring sensors in network …
Published in Recent Trends in Sensor Research & Technology · Vol. 1, Issue 1, 2014 · pp. 16–21 Read article
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Herbal Medicines and Complementary Therapies: Their Role, Types, and Applications
Abstract: Medicinal plants are used in herbal medicine to treat and prevent illnesses. This includes the use of standardized and titrated botanical extracts in addition to common and traditional medicines from different cultures. The safety of a treatment may be suggested by its long history and deep cultural roots in traditional medical systems, but this does not always imply that it is effective. This is especially important in herbal medicine, since …
Published in Emerging Trends in Personalized Medicines · Vol. 2, Issue 1, 2025 · pp. 40–53 Read article
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Advanced Ceramic Matrix Composites in Rocket Nozzle
Abstract: In earlier days rocket nozzles were made up of monolithic ceramics, zirconium, and nimonic alloys. Though the materials have the capability to withstand enough temperature, they have the drawbacks such as manufacturing cost & time, strength to weight ratio.In order to cut the manufacturing cost & time, the strength to weight ratio and also to improve the capability to withstand high temperature, a composite material—C/SiC—shows enough required properties in the …
Published in Journal of Thermal Engineering and Applications · Vol. 2, Issue 3, 2015 · pp. 32–40 Read article
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Enhancement of gain of multiband patch antenna
Abstract: In this paper we discuss about the multi notch multi polarization antenna for wireless communication, form some previous time there are various researches are to be performed in the field of multi notch and multi polarization, there are various application are being developed on the basis of this which are notch antenna, multiple polarization and the circular polarization antenna which is being widely used in the satellite communication, in this …
Published in Journal of Advances in Shell Programming · Vol. 5, Issue 2, 2018 · pp. 7–11 Read article
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Simulation of Different Propagation Models for WiMAX channel under Different Environments
Abstract: Today the Worldwide Interoperability of Microwave Access (WiMAX) technology is gaining popularity and gaining increasing acceptance as a Broadband Wireless Access (BWA) system. It is a IEEE 802.16 standard wireless communication technology that provides high speed data over a wide area. It is a point-to-point technology for using a multi-point wireless network. It has potential success in its line of sight (LOS) and non-linear (NLOS) operating conditions under the frequency …
Published in Recent Trends in Electronics Communication Systems · Vol. 8, Issue 2, 2021 · pp. 35–45 Read article
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Applications of Wireless Sensor Network
Abstract: Wireless sensor networks (WSNs) have grown in popularity in recent years and have a wide range of applications, including health, the environment, and the military. Despite its impressive capabilities, the creation of WSN remains a difficult endeavor. Several programming approaches that focus on lowlevel system concerns have been offered in current real-world WSN installations. WSNs are a type of network made up of interconnected sensor nodes that communicate wirelessly in …
Published in Journal of Mechatronics and Automation · Vol. 8, Issue 3, 2021 · pp. 44–49 Read article
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Properties of ZnO Thin Film deposited on Flexible Substrate using RF Sputtering
Abstract: Semiconductor materials demand is increased in recent years, due to new emerging technologies. There is need to find the alternate for silicon in electronics industry, as silicon is brittle in nature and has low efficiency, which makes it unsuitable for transparent and flexible device. Zinc oxide (ZnO) is emerging as popular choice of researchers due to its wide range of properties, abundancy and non-toxicity. This work explores the properties of …
Published in Journal of Polymer & Composites · Vol. 12, Issue 4, 2024 · pp. 50–56 Read article
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Evaporative Cooling By Using Different Porous Materials
Abstract: The method of evaporative cooling involves raising the air temperature by causing water vapour in an airstream to evaporate. Waterneeds the latent heat of vaporisation to evaporate, and this heat is produced by ambient air and a drop in air temperature. A porousmedium is necessary for both direct and indirect evaporative cooling in order to allow heat and mass transfer between the medium'swater and the air moving through it, or …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 9, Issue 2, 2022 · pp. 29–37 Read article
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Investigations with Gigabit Passive Optical Network
Abstract: Gigabit Passive Optical Network is one of the emergent technology to compete with high bandwidth requirement of impending subscribers. Accordingly, this manuscript explores the proposed design of the GPON. Numerical simulations have been executed for the non-return to zero and return to zero pattern with and without the Raman Effect over the single mode fiber of 20 km length of transmission. The design’s performance has been evaluated on the basis …
Published in Journal of Microelectronics and Solid State Devices · Vol. 4, Issue 2, 2017 · pp. 40–45 Read article
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Optimizing Chromatographic Techniques for Comprehensive Paraben Analysis to Enhance Safety in Consumer Products
Abstract: Parabens (PBs), such as methylparaben (MePB), ethylparaben (EtPB), propylparaben (PrPB), and butylparaben (BuPB), are widely used as preservatives in pharmaceuticals, food, and personal care products due to their antibacterial properties. However, there are growing worries about their potential to disrupt hormonal functions, which has led to stricter regulations. This study focuses on creating a robust high-performance liquid chromatography (HPLC) method for quickly measuring all four parabens in consumer goods. We …
Published in Journal of Polymer & Composites · Vol. 13, Issue 6, 2025 · pp. 228–243 Read article