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140 articles for “filters”
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Investigation into the Design of Components of Bag Filtersuse for Cement Production
Abstract: Bag Filters play important role in the economy of modern industries that it is use for not only to control air pollution but to prevent waster and recycle materials back into the process. Because of the importance of Bag houses in industries, considerable effort has been done by scientists till now on the modeling of this unit for better understanding and improved productivity. To model and design a bag house …
Published in International Journal of Chemical Separation Technology · Vol. 6, Issue 1, 2020 · pp. 35–51 Read article
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An Adaptable Window Function Utilization in Fir Low-Pass Filter Formation
Abstract: In paper, an adaptable window function is recommended so that its spectral characteristics can be modulated and the structure of window can be regulated. In this paper, the spectral characteristics of intended window has been observed and then compared with hamming window, Gaussian window and Kaiser window. It has been observed that intended window obtains superior outcomes than hamming window, Kaiser window and Gaussian window. In an additional for application …
Published in International Journal of Digital Communication and Analog Signals · Vol. 6, Issue 2, 2020 · pp. 6–13 Read article
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Dynamic system identification for looper tension control Using BPNN & Kalman Filtering
Abstract: System identification is an important area in control system. This paper discuss some of the reasons that causes the slow convergence of Back Propagation Neural Network (BPNN). This paper also comment on the effect of the number of neurons in the hidden layer when apply BPNN with Kalman Filtering to dynamic system identification for a looper tension control. BPNN is based on LMS, and uses steepest descent method to find …
Published in International Journal of Electrical Power System and Technology · Vol. 1, Issue 1, 2015 · pp. 38–43 Read article
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A Novel Design for Dual-Wideband Bandpass Filter for WLAN and Wi-Fi Applications
Abstract: ABSTRACTThis paper proposes a second order dual-band bandpass filter using two half wavelength stepped impedance resonators to operate at Wi-Fi frequencies of 2.45 GHz and 5.45 GHz having bandwidths of 560 MHz and 470 MHz respectively. Increased coupling is achieved with the use of ground slots below the coupled line section.Keywords: dual-band, stepped impedance resonator, bandpass filter, ground slots, Wi-Fi, WLANCite this Article: Aunsh Bandivadekar, Bhairavi Rege, Kishan Agarwal, Ganesh …
Published in International Journal of Telecommunications & Emerging Technologies · Vol. 6, Issue 1, 2020 · pp. 8–12 Read article
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Image Enhancement and Lung Cancer Detection Using Anisotropic Diffusion Filter
Abstract: The leading cause of cancer-related deaths globally is lung cancer. According to the Global Cancer Statistics lung cancer is the leading cause of cancer-related fatalities with 1.8 million deaths and 2.1 million new cases. Early detection of a tiny tumor can stop cancer from spreading and greatly enhance prognosis and survival rates. Consequently, the creation of a sophisticated computer-aided diagnosis system (CADS) may be advantageous for the early therapy of …
Published in International Journal of Analytical and Applied Chemistry · Vol. 9, Issue 1, 2023 · pp. 21–29 Read article
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Removal of Nitrogenous Compounds Using Trickling Filter with Hexagonal Close Packed Media
Abstract: Nitrogenous compound in the domestic wastewater has the capability of impounding adverse effects on the surface water and for the purpose of this study trickling filter (TF) is utilized for the removal of pollutants, inclusive of ammonia contained in domestic wastewater. This system, which is an attached growth process, adopts the usage of media in the form of hexagonal close-packed (HCP) as a platform for the growth of biofilm with …
Published in International Journal of Water Resources Engineering · Vol. 1, Issue 1, 2015 · pp. 10–16 Read article
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Image Denoising Using IBP n Filter
Abstract: Abstract The ultrasound images are blurred by the multiplicative noise that is the Speckle pattern. It decreases the contrast and resolution of ultrasound images those outcomes in weak interpretation of image characteristics. In several image processing mechanisms like segmentation, classification and pattern recognition the speckle is a significant part. The conventional methods calculate the computation of LBP on gradient. The limitation of this technique was that the LBP mechanism divide …
Published in International Journal of Image Processing and Pattern Recognition · Vol. 4, Issue 2, 2018 · pp. 37–45 Read article
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Design and Analysis of Microstrip Filtenna for 2.4 GHz Applications and Measurement of SAR over Human Head Model
Abstract: ABSTRACTMultifunctional ability of modern devices leads to wideband frequency characteristics. A microstrip antenna is a considerable narrowband antenna and a method to increase its bandwidth as well as adding filtering property is studied. In this study models are developed for 2.4 GHz band applications using filtering antenna concept that increases the bandwidth of the antenna and allows it to work as a filter to improve its frequency selectivity. In the …
Published in International Journal of Microwave Engineering and Technology · Vol. 5, Issue 2, 2019 · pp. 30–42 Read article
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Design and Fabrication of Drainage Water Filter
Abstract: For this project, the idea of the proposal is to replace the manual work on drainage water filtration and cleaning with an automated system. We know that water has great value to human health, drainage is full of waste such as polythene, bottles, etc. The drains are shut off due to this dirt in the water. The drains are used for dumping and unfortunately sometimes there can be a loss …
Published in International Journal of Mechanics and Design · Vol. 6, Issue 1, 2020 · pp. 6–11 Read article
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Synthesis of Low Cost Artificial Sand From Fly ash and its Application as a Filter Material
Abstract: The usage of natural river sand is increasing vastly. Geopolymers are materials with three-dimensional alumina silicate structures that have a high mechanical strength and can be used as an alternative to Portland cement. The probability of using Natural river sand can also be replaced with geopolymer synthetic sand. There are many properties which may lead the scarcity of natural riversand they are Because of landslides, tsunamis and erosion. The GPSS …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 8, Issue 2, 2022 · pp. 15–24 Read article
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Applications of Trans-Conductance Amplifier in CMOS
Abstract: Abstract: An output voltage proportionate to an input current is produced by the operating trans conductance amplifier. In this regard, it is equivalent to the fundamental purpose of the solid-state devices that make it possible. The operational transconductance amplifier (OTA) is a very adaptable and essential part of contemporary analog and mixed-signal electronic circuits because it produces an output voltage proportionate to an input current. With the extra advantage of …
Published in International Journal of Analog Integrated Circuits · Vol. 11, Issue 2, 2025 · pp. 1–6 Read article
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Algorithms Used for D-STATCOM to Achieve Compensation Current Detection
Abstract: Now a day’s power electronic based equipments are used in industrial and domestic purpose. Passive filter has been used traditionally for mitigating the distortion due to harmonic current in industrial power systems. But they have many drawbacks such as resonance problem, dependency of their performance on the system impedance etc. To overcome of such problem active power filters is introduced. It has no such drawbacks like passive filter. They inject …
Published in International Journal of Analog Integrated Circuits · Vol. 3, Issue 2, 2017 · pp. 7–19 Read article
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ADAPTIVE NOISE CANCELLATION USING NORMALIZED LMS ALGORITHM
Abstract: ABSTRACT An adaptive filter is a digital filter that self adjusts its transfer function according to an optimizing algorithm. There are a number of optimizing algorithms available, but the performance, simplicity and stability of LMS algorithms outweigh other algorithms, thus LMS algorithm have become increasingly popular. The digital filter structure used in adaptive filtering is usually FIR with transversal or tapped delay line realization. Adaptive filtering is one of the …
Published in International Journal of Telecommunications & Emerging Technologies · Vol. 1, Issue 2, 2015 · pp. 45–58 Read article
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Comparison of Some Mobile Air Compressor Components Operating in a Gas Plant Facility
Abstract: Investigation on some components of the Mobile Air Compressor (MAC) was considered in terms of the concepts of reliability and the components compared are valve, filter, radiator unit and air hose. The research reveals that failure of any of the component investigated influences the operation of the mobile air compressor in gas plant facility. The research further revealed that failure of radiator resulting from overheating in most cases, influences the …
Published in International Journal of Chemical Engineering and Processing · Vol. 9, Issue 1, 2023 · pp. 31–40 Read article
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Eco Friendly Water Purifier through UV+RO in Rural Areas
Abstract: ABSTRACTA study on the performance of raw water or tap water purifier was conducted between January to May in 2016. The Raw water or tap water was treated through the “advanced biotech techniques” i.e., solar panel TDS meter, UV lamp, RO membrane, TDS controller and UF (Ultra filtration). It was observed that raw water or tap water is more unhygienic which is very harmful for us. RO membrane and UV …
Published in International Journal of Industrial Biotechnology and Biomaterials · Vol. 5, Issue 2, 2019 · pp. 1–9 Read article
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Analysis of Fingerprint Image Enhancement by Different Methods
Abstract: The fingerprint enhancement method using directional filter/Rotational filter is effective in both dry fingerprint images and wet fingerprint images. It removes noise in between the ridge and filling the white hole in the ridge. This leads to decrease the False Acceptance Rate (FAR) and False Rejection Rate (FRR), in fingerprint minutiae extraction. In fingerprint image enhancement, for the image matching there are used various filters likes Gabor filter, FFT filter …
Published in International Journal of Distributed Computing and Technology · Vol. 2, Issue 1, 2016 · pp. 14–22 Read article
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Superconducting Magnetic Energy Storage Based Dynamic Voltage Restorer for Grid-Connected Hybrid PV-Wind Power System Modeling and Simulation
Abstract: The DVR-connected series will use three injections in a single application or three injections in three following converters to inject three compensating compressors in the main supply. The injection transformer raises the released VSI's output voltage to the required level. The converter also isolates the DVR circuit from either the transmission network. The voltage source inverter's (VSI) output power and the quality of the filter used to connect the injection …
Published in International Journal of Power Electronics Controllers and Converters · Vol. 8, Issue 2, 2022 · pp. 35–42 Read article
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A Comparative Study of Ceramic Foam Filtration Methods in Metal Casting
Abstract: Ceramic foam filtration has emerged as a revolutionary technology in the metal casting industry, significantly enhancing the quality of cast products by effectively removing inclusions and impurities from molten metal. This study provides a comprehensive examination of the mechanisms underlying ceramic foam filtration, focusing on the interactions between the molten metal and the ceramic filter material. Various types of ceramic foams, including alumina, zirconia, and silicon carbide, are analyzed for …
Published in International Journal of Analytical and Applied Chemistry · Vol. 10, Issue 2, 2024 · pp. 21–27 Read article
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PERFORMANCE EVALUATION COMPARISON OF LMS AND NLMS ALGORITHM FOR AEC IN SPEECH PROCESSING
Abstract: ABSTRACTAn acoustic echo cancellation is a technique used to decrease the acoustic noise in corrupted speech signal. Adaptive filter is using to cancel the acoustic echoes. For better conversation in telecommunication application to achieve the control of acoustic echoes is important and for the proposed acoustic canceller echo algorithm is used to reduce unwanted noise. There is a requirement for more than thousands taps in acoustic echo path so this …
Published in International Journal of Digital Communication and Analog Signals · Vol. 5, Issue 2, 2019 · pp. 9–19 Read article
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FUZZY LOGIC CONTROLLER FOR HARMONIC REDUCTION IN GRID CONNECTED SOLAR PV SYSTEM
Abstract: Solar PV systems are increasingly present in the electrical distribution systems due to the government’s incentives and low production cost of a developed PV technology. Power electronic converters play a major role in the integration of PV system with utility grid for high power generation. Extensive use of these devices leads to power quality problems such as sag, swell, harmonics, reactive power generation. Among these power quality issues harmonics are …
Published in International Journal of Power Electronics Controllers and Converters · Vol. 2, Issue 2, 2016 · pp. 24–36 Read article