A 60-GHz Dual-Vector Doherty Beamformer
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Journal of Solid-State Circuits"
DOI: 10.1109/jssc.2017.2661980
Abstract: In this paper, we demonstrate a 60-GHz transmit beamformer implemented in 130-nm SiGe BiCMOS technology which includes a Doherty amplifier driven by a dual-vector phase rotator (DVR). In addition, a benchmarking circuit comprising another DVR… read more here.
Keywords: vector doherty; beamformer; doherty; dual vector ... See more keywords
Fault-tolerant pose and inertial parameters estimation of an uncooperative spacecraft based on dual vector quaternions
Sign Up to like & getrecommendations! Published in 2019 at "Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering"
DOI: 10.1177/0954410017751766
Abstract: Estimating the parameters of an unknown free-floating tumbling spacecraft is an essential task for the on-orbit servicing missions. This paper proposes a dual vector quaternion based fault-tolerant pose and inertial parameters estimation algorithm of an… read more here.
Keywords: vector; fault tolerant; pose inertial; vector quaternions ... See more keywords
Photonic-aided W-band dual-vector RF signal generation and detection enabled by bandpass delta-sigma modulation and heterodyne detection.
Sign Up to like & getrecommendations! Published in 2023 at "Optics letters"
DOI: 10.1364/ol.488554
Abstract: We propose a photonic-aided dual-vector radio-frequency (RF) signal generation and detection scheme enabled by bandpass delta-sigma modulation and heterodyne detection. With the aid of the bandpass delta-sigma modulation, our proposed scheme is transparent to the… read more here.
Keywords: dual vector; modulation; signal generation; detection ... See more keywords
Hamiltonian Analysis and Dual Vector Spectral Elements for 2D Maxwell Eigenproblems
Sign Up to like & getrecommendations! Published in 2017 at "Communications in Computational Physics"
DOI: 10.4208/cicp.oa-2016-0010
Abstract: Abstract. The 2D Maxwell eigenproblems are studied from a new point of view. An electromagnetic problem is cast from the Lagrangian system with single variable into the Hamiltonian system with dual variables. The electric and… read more here.
Keywords: spectral elements; vector spectral; maxwell eigenproblems; hamiltonian analysis ... See more keywords