Chest CT screening in patients with overweight or obesity using spectral shaping at 150 kVp: compared with 120 kVp protocol and spectral shaping at 100 kVp protocol
Sign Up to like & getrecommendations! Published in 2020 at "Japanese Journal of Radiology"
DOI: 10.1007/s11604-020-00925-5
Abstract: Purpose To evaluate the image quality (IQ) and the figure of merit (FoM) of chest CT screening in patients with overweight or obesity using a tin filter for spectral shaping at 150 kVp. Materials and methods… read more here.
Keywords: 120 kvp; chest screening; group; spectral shaping ... See more keywords
Power spectral shaping for hydrogen production from silicon based hybrid thermo-photovoltaic water electrolysis
Sign Up to like & getrecommendations! Published in 2017 at "Energy"
DOI: 10.1016/j.energy.2017.05.100
Abstract: Solar hydrogen is a promising source for sustainable energy. This work presents an effective sunlight spectral management for hydrogen production from hybrid thermo-photovoltaic (TPV) water electrolysis based on optimal power spectral splitting of the concentrated… read more here.
Keywords: power spectral; spectral shaping; hydrogen production; hydrogen ... See more keywords
Optical pulse waveform generator based on spectral shaping and frequency-to-time-mapping
Sign Up to like & getrecommendations! Published in 2020 at "Optik"
DOI: 10.1016/j.ijleo.2020.164967
Abstract: Abstract Based on the spectral shaping and frequency-to-time-mapping (FTTM), a novel optical pulse waveform synthesis approach is proposed. By inscribed grating into half-tapered fiber or full-tapered fiber, spectrum with triangular shape or spectrum with distinctive… read more here.
Keywords: optical pulse; based spectral; frequency time; spectral shaping ... See more keywords
Programmable broadband optical field spectral shaping with megahertz resolution using a simple frequency shifting loop
Sign Up to like & getrecommendations! Published in 2019 at "Nature Communications"
DOI: 10.1038/s41467-019-12688-3
Abstract: Controlling the temporal and spectral properties of light is crucial for many applications. Current state-of-the-art techniques for shaping the time- and/or frequency-domain field of an optical waveform are based on amplitude and phase linear spectral… read more here.
Keywords: optical field; resolution; frequency; spectral shaping ... See more keywords
Seismic Resolution Enhancement by Spectral Shaping using shaping-regularized inversion
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Geoscience and Remote Sensing Letters"
DOI: 10.1109/lgrs.2021.3117017
Abstract: Seismic deconvolution aims to improve the vertical seismic resolution by compressing the seismic wavelet and extending the seismic frequency bandwidth. Deconvolution in the frequency domain is normally implemented in three steps: wavelet estimation, deconvolution operator… read more here.
Keywords: inversion; spectral shaping; seismic resolution; operator ... See more keywords
Low-Complexity Spectral Shaping Method for OFDM Signals With Dynamically Adaptive Emission Mask
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Transactions on Communications"
DOI: 10.1109/tcomm.2023.3244937
Abstract: Orthogonal frequency division multiplexing (OFDM) signals with rectangular pulses exhibit low spectral confinement. Shaping their power spectral density (PSD) is imperative in the increasingly overcrowded spectrum to benefit from the cognitive radio (CR) paradigm. However,… read more here.
Keywords: low complexity; complexity spectral; spectral shaping; ofdm signals ... See more keywords
Frequency-selectable microwave generation based on on-chip switchable spectral shaping and wavelength-to-time mapping.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.478146
Abstract: We propose and experimentally demonstrate a scheme for the photonic generation of pulsed microwave signals with selectable frequency based on spectral shaping and wavelength-to-time mapping (WTTM) technique. The frequency selectivity is realized by channel switching… read more here.
Keywords: microwave; frequency; spectral shaping; time mapping ... See more keywords
Tin filter compared to low kV protocols - optimizing sinonasal imaging in computed tomography
Sign Up to like & getrecommendations! Published in 2023 at "PLOS ONE"
DOI: 10.1371/journal.pone.0279907
Abstract: Objectives Paranasal sinus imaging due to chronic inflammatory disease is one of the most common examinations in head and neck radiology with CT imaging considered the current gold standard. In this phantom study we analyzed… read more here.
Keywords: low protocols; phantom study; spectral shaping; tin filter ... See more keywords