Photonic generation of millimeter-wave signal through frequency 12-tupling using two cascaded dual-parallel polarization modulators
Sign Up to like & getrecommendations! Published in 2020 at "Optical and Quantum Electronics"
DOI: 10.1007/s11082-020-02285-w
Abstract: In this paper, filterless photonic generation of millimeter-wave (mm-wave) signal through frequency 12-tupling via two cascaded dual-parallel polarization modulators (DP-PolMs) is proposed. The principle of operation of the proposed system is theoretically analysed and verified… read more here.
Keywords: frequency; polarization; photonic generation; generation millimeter ... See more keywords
Photonic generation and theoretical investigation of phase noise in quadrupling and 12-tupling millimeter wave Signal using optical self-heterodyne system
Sign Up to like & getrecommendations! Published in 2021 at "Optik"
DOI: 10.1016/j.ijleo.2021.166432
Abstract: Abstract In this paper, photonic generation of quadrupling and twelve-tupling millimeter wave signal using single radio frequency (RF) signal is proposed. The purity of generated signal is observed by using mathematical approach which is further… read more here.
Keywords: system; wave signal; tupling millimeter; phase noise ... See more keywords
Full duplex radio over fiber system with frequency quadrupled millimeter-wave signal generation based on polarization multiplexing
Sign Up to like & getrecommendations! Published in 2018 at "Optics and Laser Technology"
DOI: 10.1016/j.optlastec.2018.01.035
Abstract: Abstract A full duplex radio over fiber system with frequency quadrupled millimeter-wave signal generation based on polarization multiplexing using a single-drive intensity modulator is proposed and experimentally demonstrated. At the central station, downstream signal modulated… read more here.
Keywords: polarization; millimeter wave; fiber; wave signal ... See more keywords
A simple photonic precoding-less scheme for vector millimeter-wave signal generation based on a single phase modulator
Sign Up to like & getrecommendations! Published in 2020 at "Results in physics"
DOI: 10.1016/j.rinp.2020.103412
Abstract: Abstract We propose and verify a simple precoding-less scheme to generate quadrature phase shift keying (QPSK) modulated vector millimeter-wave signal based on a single phase modulator (PM). The electrical vector data is first up-converted to… read more here.
Keywords: wave signal; vector millimeter; millimeter wave; phase ... See more keywords
A switchable spin-wave signal splitter for magnonic networks
Sign Up to like & getrecommendations! Published in 2017 at "Applied Physics Letters"
DOI: 10.1063/1.4987007
Abstract: The influence of an inhomogeneous magnetization distribution on the propagation of caustic-like spin-wave beams in unpatterned magnetic films has been investigated by utilizing micromagnetic simulations. Our study reveals a locally controllable and reconfigurable tractability of… read more here.
Keywords: splitter magnonic; spin wave; wave signal; switchable spin ... See more keywords
Fourier transform of the continuous gravitational wave signal
Sign Up to like & getrecommendations! Published in 2021 at "Physical Review D"
DOI: 10.1103/physrevd.104.024065
Abstract: The direct detection of continuous gravitational waves from pulsars is a much anticipated discovery in the emerging field of multi-messenger gravitational wave (GW) astronomy. Because putative pulsar signals are exceedingly weak large amounts of data… read more here.
Keywords: transform continuous; gravitational wave; continuous gravitational; pulsar signals ... See more keywords
A mm-Wave Signal Generation and Background Phase Alignment Technique for Scalable Arrays
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Journal of Solid-State Circuits"
DOI: 10.1109/jssc.2022.3187660
Abstract: This work presents a mm-wave signal generation method that provides background phase tuning and self-alignment between adjacent sources. This technique is based on direct monitoring of the mm-wave signal and provides phase tuning through a… read more here.
Keywords: phase alignment; technique; wave signal; phase ... See more keywords
Motion Compensation Method Using Direct Wave Signal for CTSR Bistatic HFSWR
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Geoscience and Remote Sensing Letters"
DOI: 10.1109/lgrs.2023.3249347
Abstract: Coast-transmit ship-receive (CTSR) bistatic high-frequency surface wave radar (HFSWR) can fully exploit the flexibility of moving platforms and the anti-interference advantages of bistatic radar. However, the platform motion can cause the spread of target echo… read more here.
Keywords: direct wave; motion; hfswr; wave signal ... See more keywords
Generation and Heterodyne Detection of >100-Gb/s $Q$ -Band PDM-64QAM mm-Wave Signal
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Photonics Technology Letters"
DOI: 10.1109/lpt.2016.2625042
Abstract: We experimentally demonstrate a hardwareand spectral-efficient large-capacity single-carrier radio-overfiber system at Q-band (33-50 GHz), employing high-level polarization-division-multiplexing 64-ary quadrature-amplitudemodulation (PDM-64QAM) modulation and heterodyne coherent detection. In our demonstrated system, up to 10-GBd (120-Gb/s) PDM-64QAM vector… read more here.
Keywords: generation heterodyne; detection; system; pdm 64qam ... See more keywords
Guided-wave signal processing by the sparse Bayesian learning approach employing Gabor pulse model
Sign Up to like & getrecommendations! Published in 2017 at "Structural Health Monitoring"
DOI: 10.1177/1475921716665252
Abstract: Guided waves have been used for structural health monitoring to detect damage or defects in structures. However, guided wave signals often involve multiple modes and noise. Extracting meaningful damage information from the received guided wave… read more here.
Keywords: wave signal; sparse bayesian; damage; guided wave ... See more keywords
Security enhancement of a W-band millimeter-wave signal based on 3D Hilbert scrambling and diffusion.
Sign Up to like & getrecommendations! Published in 2022 at "Optics letters"
DOI: 10.1364/ol.474564
Abstract: A physical layer enhancement scheme of the W-band millimeter-wave signal based on chaotic grouping and segmentation encryption, 3D Hilbert scrambling, and diffusion is proposed in this paper. Chaotic grouping and segmentation bit-level encryption can enhance… read more here.
Keywords: millimeter wave; hilbert scrambling; wave signal; band millimeter ... See more keywords