A background-free phase-coded microwave pulse generator by optoelectronic oscillation
Sign Up to like & getrecommendations! Published in 2019 at "Optics Communications"
DOI: 10.1016/j.optcom.2019.124318
Abstract: Abstract We propose and demonstrate a photonic scheme to generate background-free binary phase-coded microwave pulses based on optoelectronic oscillation (OEO). The significant merit of our pulse generator is that an external microwave source which is… read more here.
Keywords: phase; phase coded; pulse; microwave ... See more keywords
Photonic heterodyne generation of phase-coded terahertz signals
Sign Up to like & getrecommendations! Published in 2021 at "Optics Communications"
DOI: 10.1016/j.optcom.2021.127253
Abstract: Abstract In this paper, we propose and experimentally demonstrate a photonic scheme of generating phase-coded signals in the terahertz (THz) band, based on an optical frequency combs (OFC) and optical heterodyne. In the proposed scheme,… read more here.
Keywords: generation phase; phase coded; photonic heterodyne; phase ... See more keywords
Seeding High Brightness Fiber Amplifiers With Multi-Phase Coded Signal Modulation for SBS Effect Management
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Access"
DOI: 10.1109/access.2020.3007413
Abstract: We propose a new modulation approach based on multi-phase coded signal (MPCS) to increase stimulated Brillouin scattering (SBS) threshold in high power narrow-linewidth fiber amplifiers. To investigate the SBS suppressing capacity of the proposed modulation… read more here.
Keywords: coded signal; modulation; phase coded; fiber amplifiers ... See more keywords
Radar Signals Intrapulse Modulation Recognition Using Phase-Based STFT and BiLSTM
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Access"
DOI: 10.1109/access.2022.3195273
Abstract: The goal of radar emitter recognition (RER) is to extract the features of the received emitter signal. This has become a critical issue as new radar types are emerging, and the electromagnetic environment is becoming… read more here.
Keywords: recognition; phase coded; phase based; radar ... See more keywords
Photonics Generation of Pulsed Arbitrary-Phase-Coded Microwave Signals Based on the Conversion Between Intensity Modulation and Phase Modulation
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Lightwave Technology"
DOI: 10.1109/jlt.2020.2971782
Abstract: This article proposes a pulsed arbitrary-phase-coded microwave signals (APCMSs) photonics generation system. The key to this scheme is to achieve the single-sideband modulated (SSBM) optical signal with the conversion capability between intensity modulation and phase… read more here.
Keywords: arbitrary phase; generation; modulation; phase coded ... See more keywords
Photonic Generation of Multicarrier Phase-Coded Microwave Signals Utilizing Polarization Manipulation
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Photonics Journal"
DOI: 10.1109/jphot.2018.2871179
Abstract: A method to generate a multicarrier phase-coded (MCPC) microwave signal is proposed and experimentally demonstrated. By optimizing the angle between the transverse-electric and transverse-magnetic modes in a phase modulator (PM), an MCPC microwave signal can… read more here.
Keywords: multicarrier phase; phase; phase coded; generation multicarrier ... See more keywords
Multi-Frequency Phase-Coded Microwave Signal Generation With an Increased Number of Frequencies
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Photonics Technology Letters"
DOI: 10.1109/lpt.2020.3006881
Abstract: A photonics-based approach to multi-frequency phase-coded microwave signal generation is proposed with an increased number of frequencies. Two microwave reference signals are sent to one arm of a dual-drive Mach-Zehnder modulator (DD-MZM), whereas the binary… read more here.
Keywords: coded microwave; multi frequency; frequency; phase coded ... See more keywords
Smoothed Phase-Coded FMCW: Waveform Properties and Transceiver Architecture
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Aerospace and Electronic Systems"
DOI: 10.1109/taes.2022.3206173
Abstract: Smoothed phase-coded frequency modulated continuous waveform (SPC-FMCW), which is aimed to improve the coexistence of multiple radars operating within the same frequency bandwidth, is studied, and the receiving strategy with a low analog-to-digital converter sampling… read more here.
Keywords: phase coded; phase; waveform; smoothed phase ... See more keywords
Photonic generation of background-free binary and quaternary phase-coded microwave pulses based on vector sum.
Sign Up to like & getrecommendations! Published in 2019 at "Optics express"
DOI: 10.1364/oe.27.020774
Abstract: A photonic microwave phase-coded pulse generator is proposed and experimentally demonstrated based on the principle of vector sum. The key component of the proposed pulse generator is an integrated polarization-division multiplexing Mach-Zehnder modulator (PDM-MZM) and… read more here.
Keywords: microwave; phase coded; binary quaternary; vector sum ... See more keywords