Effects of polarimetric dispersion on future spaceborne P‐band ultra‐wideband SAR
Sign Up to like & getrecommendations! Published in 2018 at "Electronics Letters"
DOI: 10.1049/el.2018.5477
Abstract: Spaceborne synthetic aperture radar (SAR) polarimetric application, operating at P-band, is significantly influenced by ionospheric Faraday rotation (FR). Various researches have been published to evaluate the FR effect on polarimetric scattering matrix, nevertheless all of… read more here.
Keywords: band ultra; band; polarimetric dispersion; sar ... See more keywords
An X-Band Ultra-Low Phase Variation Variable Gain Amplifier With Capacitive Compensation Technique
Sign Up to like & getrecommendations! Published in 2024 at "IEEE Transactions on Circuits and Systems II: Express Briefs"
DOI: 10.1109/tcsii.2023.3296628
Abstract: To achieve a large gain range while minimizing the phase variation, two-stage cascaded variable gain amplifiers (VGAs) are demonstrated to achieve 31.5 dB-gain-control and 0.5 dB-linear-step at X-band in this brief. Two complementary numerical-control differential… read more here.
Keywords: variable gain; gain; phase variation; band ultra ... See more keywords
Switchable dual-band and ultra-wideband terahertz wave absorber
Sign Up to like & getrecommendations! Published in 2021 at "Optical Materials Express"
DOI: 10.1364/ome.432464
Abstract: In this paper, we introduced a switchable dual-band and ultra-wideband terahertz wave absorber based on photoconductive silicon combining with vanadium dioxide (VO2). In the terahertz absorber, photoconductive silicon cross array, silicon dioxide layer, vanadium dioxide… read more here.
Keywords: dual band; silicon; band ultra; ultra wideband ... See more keywords