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73 articles for “Phase shifts.”
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Design of Passive Phase Shifter for Beam Steering Applications
Abstract: The role of phase shifters in the field of beam steerable antennas is vital. The paper presents a navel technique in designing of phase shifters. This technique is facilitating many advantages along with phase shifting, such as reducing mutual coupling between array antenna elements results reduction in overall antenna size and miniaturize the radiating antenna aperture. This structure also shields the components behind the antenna. This method helps in eliminating …
Published in Journal of Microwave Engineering and Technologies · Vol. 1, Issue 3, 2014 · pp. 26–32 Read article
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A MODEL TO PREDICT ANGULAR PHASE SHIFT BETWEEN WIND AND WAVES FOR FLOATING OFFSHORE WIND TURBINE APPLICATIONS
Abstract: This paper develops a model to predict angular phase shift between wind and waves that can be applied to floating offshore wind turbines. A theoretical simulation, developed in MATLAB program, has been run using non-linear effects that have led to specific algorithms based on matrix development of wind and waves direction. The modelling uses a random generator to create the wind and wave direction on the basis that the angular …
Published in Journal of Offshore Structure and Technology · Vol. 10, Issue 1, 2023 · pp. 1–12 Read article
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Design and Implementation of Phase Shift Full Bridge DC-DC Converter for Photovoltaic Application
Abstract: Soft switched converters offer merits like lowered switching losses, reduced size of magnetic devices, lowered converter size, etc. Therefore, it is preferred topology in converter’s design. It also allows use of higher switching frequency. This research work focuses on development of 1 kW prototype of phase shift full bridge DC-DC converter for photovoltaic application. This paper discusses component selection criteria, magnetic component design criteria, hardware and software design issues. Simulation …
Published in Journal of Control & Instrumentation · Vol. 7, Issue 3, 2016 · pp. 21–27 Read article
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Nuclear Hulthén potentials for F and G partial waves
Abstract: In the past few decades, several investigation have been made and at the same time a number of theoretical models have also been projected for the nucleon-nucleon scattering in the low and intermediate energy range. These phenomenological models involve large number of free parameters to be fitted to reproduce the physical observables. In contrast to these potentials a two-term four parameter nuclear Hulthén type interaction is proposed to describe the …
Published in Research & Reviews : Journal of Physics · Vol. 10, Issue 2, 2021 · pp. 31–37 Read article
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Energy-Momentum Dependent Potentials and np Scattering
Abstract: Energy-dependent equivalent local potential corresponding to a rank 2 nonlocal interaction isconstructed for the partial wave 0 and the higher partial wave equivalent localinteractions are developed by exploiting the formalism of super symmetry formalism. Themerit of our constructed potentials is judged through a model calculation. Our results are ingood agreement with standard data.Keywords: Equivalent local potential, non-local potential, scattering phase shifts, super symmetry formalismCite this ArticleAshwini Kumar Behera, …
Published in Research & Reviews : Journal of Physics · Vol. 8, Issue 3, 2019 · pp. 1–9 Read article
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Quantitative Study of Deformations using Electronic Speckle Pattern Interferometer (ESPI)
Abstract: AbstractThis paper discusses a research proposal to use temporal phase shifting technique of Electronic Speckle Pattern Interferometer (ESPI) for qualitative and quantitative study of deformations of various kinds. Proposed method for quantitative study is a five step phase shifting algorithm for extraction of phase information from the deformed object. Mechanical and thermal deformations in metallic thin films, metal plates and acoustic deformations are been planned for the study.Keywords: Temporal phase …
Published in Research & Reviews : Journal of Physics · Vol. 4, Issue 2, 2015 · pp. 1–7 Read article
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PWM Technique based evaluation and performance analysis ofZVS Based Resonant Converter
Abstract: A Zero Voltage Switching (ZVS) based Resonant Converter (RC) has been simulated and the performanceis analyses in this paper. A ZVS based resonant converter working under load independent output voltage and no-load regulation is presented in the paper.Pulse width modulation (PWM) is a technology used to regulate outputvoltage. The major transitions of a full-bridge converter that achieves zero-voltage switching across the whole lineand load range by using a linked inductor …
Published in Journal of VLSI Design Tools and Technology · Vol. 12, Issue 2, 2022 · pp. 42–48 Read article
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Perfluorinated Composites for Optical Fiber Development for Optical Communications
Abstract: Free Space Optical (FSO) communication is a new generation of high-speed technology that utilizes light as the carrier to transfer information through free space, e.g., air, outer space, and vacuum. In comparison with traditional systems of communication, FSO offers a wonderful bandwidth advantage with less cost and ease of installation. This study compares the performance of two other FSO systems using advanced polymer composites such as Perfluorinated polymers in designing …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 661–674 Read article
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Styrene, Carbonate Materials to Minimize Aberration in Free Space Optical Communications
Abstract: Enhancing wireless connectivity, particularly in harsh weather circumstances, is possible through the use of polymer-based materials in Free Space Optical (FSO) communication systems. In the production of optical components like lenses, beam shapers, and protective enclosures for FSO transmitters and receivers, polymers are being used more and more because of their lightweight, affordable, and adjustable optical qualities. This study examines how well a polymer-integrated FSO link performs over 1–10 km …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 675–686 Read article
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Nucleon-Nucleon Scattering by the Hulthen Potentials
Abstract: The nuclear part of the nucleon-nucleon interaction is represented by nuclear Hulthen and the electromagnetic part by atomic Hulthen potentials. Frobenius method is applied to construct the ground state wave function for the systems under consideration. Higher partial wave (Pwave) nucleon-nucleon potentials are generated by exploiting the supersymmetry inspired factorization method and the corresponding scattering phase shifts are computed by applying the phase function method for the local potential. To …
Published in Journal of Nuclear Engineering & Technology · Vol. 6, Issue 2, 2016 · pp. 17–23 Read article
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BER Performance of Hybrid 2×8 SCM/WDM System Based on Raman Amplifier
Abstract: AbstractWhen subcarrier multiplexing (SCM) is combined with wavelength division multiplexing (WDM) the resultant hybrid multiplexing strategy can benefit from readily available commercial components. Hybrid SCM/WDM systems are quite useful for LAN and MAN applications. They can provide broadband integrated services to the subscriber. This paper investigates the performance of two module SCM transmitter that consist of eight binary phase shift keying modulated data streams each transmitted at a speed of …
Published in Trends in Opto-electro & Optical Communication · Vol. 6, Issue 1, 2016 · pp. 1–7 Read article
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Performance of NRZ and Manchester DPSK Downstream and Upstream OOK for WDM-PON
Abstract: AbstractA novel data re-modulation scheme with downstream. Differential phase shift keying (DPSK) signals and on-off keying (OOK) upstream signal modulation format is proposed for wavelength-division multiplexing (WDM) – passive optical networks (PON) in the letter. A simulation on 5-Gb/s downstream optical DPSK signal and 5 Gb/s upstream optical OOK signal. 5Gb/S on DPSK OOK all are successfully demonstrated over 20-km single mode fiber without chromatic dispersion compensation.Keywords: Differential phase-shift keying …
Published in Trends in Opto-electro & Optical Communication · Vol. 7, Issue 1, 2017 · pp. 6–9 Read article
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Performance Study in Modified DPSK, MZI Delay Mismatch at 40Gbps Fiber Dispersive Channel
Abstract: AbstractHigher data rate transmission is a desirable feature for the communication system in every era. As they have potentially higher fiber capacity, also have lower cost per bit. This paper presents performance investigation with partial differential phase shift keying and influence of MZI delay mismatch in the high data rate dispersive channels. Ideal fiber braggs grating is considered as fiber dispersive medium with different dispersion. Numerical simulation depicts that in …
Published in Trends in Opto-electro & Optical Communication · Vol. 6, Issue 2, 2016 · pp. 18–23 Read article
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Digital Communication Receiver CMOS Chip Design
Abstract: RF receivers are such electronic devices that discrete radio signals from one another and transform specific signals into respective audio, video, or data formats. It uses an antenna to receive transmitted radio signals and a tuner to separate a specific signal from all of the other signals that the antenna receives. Detectors or demodulators at that moment extract information that was programmed formerly to transmission. There are numerous customs to …
Published in Recent Trends in Electronics Communication Systems · Vol. 1, Issue 3, 2014 · pp. 16–21 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 Read article
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A New Nine Level Hybrid Multilevel Inverter
Abstract: Multilevel inverters (MLI’s) have been used widely for high power and medium power DC-AC conversion. Researchers are working to reduce total effective cost and enhance the working efficiency of the multilevel inverter. This paper presents a new multilevel hybrid inverter which utilizes eight active powers electronics switches along with asymmetric DC voltage source configuration to synthesize 9-level waveform and produces lower total harmonic distortion (THD) profile comparisons to present typical …
Published in Trends in Electrical Engineering · Vol. 6, Issue 1, 2016 · pp. 17–25 Read article
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Fuzzy Logic and Internet of Things based Automatic Three Phase Changeover
Abstract: Three phase supply is preferred over single-phase supply not only in commercial sector but also in residential sector due to its ability of supplying uniform and less fluctuating power. However phase cuts or phase failure may occur in a three phase supply due to a disturbed transformer or any other technological factor. This generally renders one phase inoperative. A commonly available solution is manual three phase changeover switch. Manual switching …
Published in Journal of Advancements in Robotics · Vol. 5, Issue 3, 2018 · pp. 1–11 Read article
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Self-Compensation of Commutation Phase Error for Brushless DC Motor
Abstract: BLDC motors are synchronous motors powered by DC electricity via an inverter which produces an AC electric current to drive each phase of the motor via a closed loop controller. Electronic commutation is the on-and-off of the semiconductor switches at appropriate time to turn stator windings. Commutation phase ripple is generated due to the different exchange rate between outgoing phase current and incoming phase current of inverter during commutation period. …
Published in Trends in Electrical Engineering · Vol. 8, Issue 3, 2018 · pp. 72–81 Read article
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Low Power RF QPSK MODEM Design
Abstract: System-level simulation including design of CMOS circuits for radio frequency QPSK MODEM targeting applications in 2.45 GHz industrial, scientific and medical (ISM) band has been presented in this paper. Based on the QPSK architecture, the MODEM consists of an analog mixer using a voltage multiplier, a 90 °phase shifter, delay circuits, a voltage adder and a filter to detect the information. A code reuse subsystem block consisting of Chebyshev filter …
Published in Journal of VLSI Design Tools and Technology · Vol. 2, Issue 1-2-3, 2012 · pp. 75–86 Read article
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Total-internal-reflection-based optical rotation quasi-phase-matching for efficient second-harmonic generation in Cadmium Germanium Arsenide crystal
Abstract: This study investigates a total-internal-reflection (TIR)-based optical rotation quasi-phase-matching (ORQPM) approach for second harmonic generation within a cadmium germanium arsenide crystal slab. The crystal is coated with a thin film of yttrium oxide to facilitate precise control over phase shifts between p- and s-polarized light upon reflection at the slab-film interface. By leveraging the interplay between TIR- induced optical rotation and fractional QPM effects at designated bounce points, the configuration …
Published in International Journal of Crystalline Materials · Vol. 3, Issue 1, 2026 · pp. 01–09 Read article