Broadband low radar cross section frequency selective surface radome based on phase cancellation and spatial filtering
Sign Up to like & getrecommendations! Published in 2024 at "Microwave and Optical Technology Letters"
DOI: 10.1002/mop.34334
Abstract: This letter introduces a novel design approach for broadband radar cross section (RCS) reduction of frequency selective surface (FSS) radomes. The approach integrates the principles of phase cancellation and spatial filtering together through a hybrid… read more here.
Keywords: phase cancellation; radome; radar cross; spatial filtering ... See more keywords
EEG based zero-phase phase-locking value (PLV) and effects of spatial filtering during actual movement
Sign Up to like & getrecommendations! Published in 2017 at "Brain Research Bulletin"
DOI: 10.1016/j.brainresbull.2017.01.023
Abstract: Phase-locking value (PLV) is a well-known feature in sensorimotor rhythm (SMR) based BCI. Zero-phase PLV has not been explored because it is generally regarded as the result of volume conduction. Because spatial filters are often… read more here.
Keywords: phase; spatial filtering; phase plv; zero phase ... See more keywords
Weighted adaptive spatial filtering in digital holographic microscopy
Sign Up to like & getrecommendations! Published in 2017 at "Optics Communications"
DOI: 10.1016/j.optcom.2016.08.056
Abstract: Abstract Spatial filtering, a key point to realize real-time measurement, is used commonly in digital off-axis holography to extract desired terms. In this paper, we propose a weighted adaptive spatial filtering method by weighting the… read more here.
Keywords: spatial filtering; weighted adaptive; microscopy; filtering digital ... See more keywords
Measurements of unconfined fresh concrete flow on a slope using spatial filtering velocimetry
Sign Up to like & getrecommendations! Published in 2021 at "Powder Technology"
DOI: 10.1016/j.powtec.2021.07.088
Abstract: Abstract Fluidity of fresh concrete is an important performance, and it can be evaluated by concrete flow process. Before the experiments, the theory of the lateral spread and accumulation were assumed. Then, the velocity and… read more here.
Keywords: spatial filtering; concrete flow; filtering velocimetry; fresh concrete ... See more keywords
Effect of spatial filtering on accommodation
Sign Up to like & getrecommendations! Published in 2019 at "Vision Research"
DOI: 10.1016/j.visres.2019.07.005
Abstract: The purpose of this study was to develop and test a new method that uses natural images to investigate the influence of their spatial frequency content on the accommodation response (AR). Furthermore, the minimum spatial… read more here.
Keywords: spatial filtering; accommodation; spatial frequencies; effect spatial ... See more keywords
A physics-inspired alternative to spatial filtering for large-eddy simulations of turbulent flows
Sign Up to like & getrecommendations! Published in 2022 at "Journal of Fluid Mechanics"
DOI: 10.1017/jfm.2021.1150
Abstract: Abstract Large-eddy simulations (LES) are widely used for computing high Reynolds number turbulent flows. Spatial filtering theory for LES is not without its shortcomings, including how to define filtering for wall-bounded flows, commutation errors for… read more here.
Keywords: large eddy; turbulent flows; physics; spatial filtering ... See more keywords
Localising functionalised gold-nanoparticles in murine spinal cords by X-ray fluorescence imaging and background-reduction through spatial filtering for human-sized objects
Sign Up to like & getrecommendations! Published in 2018 at "Scientific Reports"
DOI: 10.1038/s41598-018-34925-3
Abstract: Accurate in vivo localisation of minimal amounts of functionalised gold-nanoparticles, enabling e.g. early-tumour diagnostics and pharmacokinetic tracking studies, requires a precision imaging system offering very high sensitivity, temporal and spatial resolution, large depth penetration, and… read more here.
Keywords: spatial filtering; gold nanoparticles; fluorescence imaging; ray fluorescence ... See more keywords
Spatial filtering of radiation from wire lasers
Sign Up to like & getrecommendations! Published in 2017 at "Laser Physics Letters"
DOI: 10.1088/1612-202x/aa5d83
Abstract: In this letter we propose an approach to obtain directive radiation from wire lasers with subwavelength transverse dimensions and length much larger than the radiation wavelength (wire lasers) based on spatial filtering of their radiation… read more here.
Keywords: spatial filtering; wire lasers; wire; filtering radiation ... See more keywords
Spatial filtering with nonlocal non-Hermitian metasurfaces
Sign Up to like & getrecommendations! Published in 2025 at "Physical Review Applied"
DOI: 10.1103/fsmd-wsnr
Abstract: Spatial filtering of optical fields has widespread applications, ranging from beam shaping to optical information processing; however, conventional spatial filters are bulky and alignment sensitive. Here, we present nonlocal non-Hermitian metasurfaces that can act as… read more here.
Keywords: nonlocal non; spatial filtering; non hermitian; hermitian metasurfaces ... See more keywords
Combining Spatial Filtering and Sparse Filtering for Coaxial-Moving Sound Source Separation, Enhancement and Fault Diagnosis
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Access"
DOI: 10.1109/access.2019.2900229
Abstract: The wayside acoustic detector system is a potential technique in ensuring the safety of traveling vehicles. However, multisource aliasing and Doppler distortion in acquired acoustic signals decrease the accuracy of machine diagnosis. The conventional multisource… read more here.
Keywords: spatial filtering; sound source; filtering sparse; coaxial moving ... See more keywords
An Aperture-Coupled-Cross-Resonator FSS Based Spatial Filtering Patch Antenna Array
Sign Up to like & getrecommendations! Published in 2024 at "IEEE Access"
DOI: 10.1109/access.2023.3348551
Abstract: The employment of Massive MIMO technology in 5G communication results in a large number of RF channels in the base station. Therefore, the base station will suffer from the huge burden of equipping discrete bandpass… read more here.
Keywords: spatial filtering; inline formula; fss; tex math ... See more keywords