Thermochromic Ni(II) Organometallics With High Optical Transparency and Low Phase-Transition Temperature for Energy-Saving Smart Windows.
Sign Up to like & getrecommendations! Published in 2023 at "Small"
DOI: 10.1002/smll.202205833
Abstract: Thermochromic smart windows with rational modulation in indoor temperature and brightness draw considerable interest in reducing building energy consumption, which remains a huge challenge to meet the comfortable responsive temperature and the wide transmittance modulation… read more here.
Keywords: low phase; smart windows; phase transition; energy ... See more keywords
300-GHz-band wireless communication using a low phase noise photonic source
Sign Up to like & getrecommendations! Published in 2020 at "International Journal of Microwave and Wireless Technologies"
DOI: 10.1017/s175907872000029x
Abstract: Abstract The implementation of advanced multi-level modulation schemes such as quadrature phase-shift keying (QPSK) in contrast to the conventional on–off keying is crucial to further boost the terahertz (THz) communications speed. Thereby, carrier phase noise… read more here.
Keywords: low phase; phase noise; source; photonic source ... See more keywords
Low phase noise oscillator stabilised by high quality factor AFSIW resonators
Sign Up to like & getrecommendations! Published in 2018 at "Electronics Letters"
DOI: 10.1049/el.2018.5663
Abstract: A novel X-band low phase noise oscillator is proposed by taking advantage of the enhanced quality factor of air-filled substrate integrated waveguide (AFSIW) resonators. A pair of AFSIW resonators is embedded in a feedback loop,… read more here.
Keywords: phase; oscillator; afsiw resonators; phase noise ... See more keywords
Multi‐phase feedforward ring VCO with high frequency and low phase noise
Sign Up to like & getrecommendations! Published in 2020 at "Electronics Letters"
DOI: 10.1049/el.2020.2017
Abstract: A novel feedforward-coupling ring oscillator (FRVCO) is presented. A comparative study in terms of oscillation frequency and phase noise is conducted between the proposed model and the traditional FRVCO. Due to the improved delay cell,… read more here.
Keywords: phase; phase noise; low phase; frequency low ... See more keywords
Ceres observed at low phase angles by VIR-Dawn
Sign Up to like & getrecommendations! Published in 2020 at "Astronomy and Astrophysics"
DOI: 10.1051/0004-6361/201936492
Abstract: Context. Particulate surfaces exhibit a surge of reflectance at low phase angles, a phenomenon referred to as the opposition effect (OE). Two mechanisms are recognized as responsible for the OE: shadow hiding (SH) and coherent… read more here.
Keywords: phase; angular width; surface; phase angles ... See more keywords
Field-programmable-gate-array-based digital frequency stabilization of low-phase-noise diode lasers
Sign Up to like & getrecommendations! Published in 2023 at "Review of Scientific Instruments"
DOI: 10.1063/5.0152305
Abstract: We present the comparison of a field-programmable-gate-array (FPGA) based digital servo module with an analog counterpart for the purpose of laser frequency stabilization to a high-finesse optical cavity. The transfer functions of both the digital… read more here.
Keywords: noise; low phase; programmable gate; field programmable ... See more keywords
Tunable Magnetoacoustic Oscillator with Low Phase Noise
Sign Up to like & getrecommendations! Published in 2021 at "Physical review applied"
DOI: 10.1103/physrevapplied.15.034057
Abstract: A frequency-tunable low-phase-noise magnetoacoustic resonator is developed on the base of a parallel-plate straight-edge bilayer consisting of an yttrium-iron-garnet (YIG) layer grown on a substrate of a gallium gadolinium garnet (GGG). When a YIG-GGG sample… read more here.
Keywords: magnetoacoustic oscillator; low phase; phase noise; yig ... See more keywords
A 40-GHz 4-Bit Digitally Controlled VGA With Low Phase Variation Using 65-nm CMOS Process
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Microwave and Wireless Components Letters"
DOI: 10.1109/lmwc.2019.2942013
Abstract: A 40-GHz variable gain amplifier (VGA) with 4-bit digital gain control and low phase variation is designed and fabricated on the 65-nm CMOS process. The digital gain control mechanism is achieved using the presented digital… read more here.
Keywords: low phase; cmos process; phase variation; gain ... See more keywords
X-Band Feedback Type Miniaturized Oscillator Design With Low Phase Noise Based on Eighth Mode SIW Bandpass Filter
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Microwave and Wireless Components Letters"
DOI: 10.1109/lmwc.2021.3064602
Abstract: A standard substrate integrated waveguide (SIW)-based bandpass filter (BPF) suffers from bulkiness that limits its application in the implementation of compact size low phase noise oscillator. Instead, in this letter, an eighth mode SIW (EMSIW)… read more here.
Keywords: phase noise; oscillator; bandpass filter; low phase ... See more keywords
Design of Low Phase Noise Oscillator Based on SIW Multifunctional Filtering Device
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Transactions on Circuits and Systems II: Express Briefs"
DOI: 10.1109/tcsii.2022.3208608
Abstract: In this brief, an X-band low phase noise oscillator based on the substrate integrated waveguide (SIW) filtering rat-race coupler (FRRC) is proposed. The FRRC in the oscillator design is utilized to act as the frequency-stabilized… read more here.
Keywords: oscillator; noise oscillator; phase noise; low phase ... See more keywords
Design and Fabrication of Low Phase Noise Oscillator Using $Q$ Enhancement of the SISL Cavity Resonator
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Transactions on Microwave Theory and Techniques"
DOI: 10.1109/tmtt.2019.2935712
Abstract: In this article, an X-band low phase noise oscillator using a high-quality ( $Q$ ) cavity resonator based on the substrate integrated suspended line (SISL) technology is proposed. To achieve a low phase noise, the… read more here.
Keywords: tex math; low phase; inline formula; phase noise ... See more keywords