Full-range amplitude–phase metacells for sidelobe suppression of metalens antenna using prior-knowledge-guided deep-learning-enabled synthesis
A prior-knowledge-guided deep-learning-enabled (PK-DL) synthesis method is proposed to
design the metacells with the full-range amplitude and phase control for suppressing the …
design the metacells with the full-range amplitude and phase control for suppressing the …
[HTML][HTML] High-throughput SatCom-on-the-move antennas: technical overview and state-of-the-art
Y He, F Yang, G Han, Y Li - Digital Communications and Networks, 2023 - Elsevier
With the rapid development of satellite communications, satellite antennas attract growing
interest, especially the high-throughput SatCom-on-the-move antenna for providing high …
interest, especially the high-throughput SatCom-on-the-move antenna for providing high …
Controlling Radiation Beams by High-Efficiency Metasurfaces with Enhanced Refractive Index Elements
The efficient manipulation of the electromagnetic wavefront using metasurfaces (MSs) has
attracted a continuous amount of attention in recent years. MSs with arbitrarily controllable …
attracted a continuous amount of attention in recent years. MSs with arbitrarily controllable …
Compound grin fanbeam lens antenna with wideband wide-angle beam-scanning
This work presents a parallel-plate waveguide (PPWG) fanbeam antenna achieving a field
of view with an average maximum scan loss of over the Ka-band for a flat feed surface. This …
of view with an average maximum scan loss of over the Ka-band for a flat feed surface. This …
Miniaturization and Bandwidth Enhancement of Fractal-Structured Two-Arm Sinuous Antenna Using Gap Loading with Meandering
A sinuous antenna is a frequency-independent antenna known for its wide bandwidth and
consistent gain, which makes it valuable in broadband applications such as ultrawideband …
consistent gain, which makes it valuable in broadband applications such as ultrawideband …
Feed corrective lenslets for enhanced beamscan in flat lens antenna systems
A method for improving beamscan performance of flat lens antenna systems is proposed,
wherein small gradient index (GRIN) lenses are included in the feed apertures to correct …
wherein small gradient index (GRIN) lenses are included in the feed apertures to correct …
Beamforming phased-array-fed lenses with> 0.5 λ-spaced elements
We propose a phased-array-fed lens (PAFL) antenna that is capable of beamforming like a
phased array but with array elements spaced beyond. The PAFL produces high-quality …
phased array but with array elements spaced beyond. The PAFL produces high-quality …
Hybrid geometrical optics and uniform asymptotic physical optics for rapid and accurate practical grin lens design
In this paper, an improved numerical ray-tracing method is proposed to solve radiating fields
of Gradient-Refractive Index (GRIN) lens antennas with a shadow region. A shadow region …
of Gradient-Refractive Index (GRIN) lens antennas with a shadow region. A shadow region …
Low-Dispersion Metamaterials for Wideband Gradient-Index (GRIN) Lens Antenna
J Huang - 2022 - curate.nd.edu
Gradient-index (GRIN) lens antennas leverage spatially varying refractive structures to
generate high directivity beams. The lens antennas have the advantages of low loss, low …
generate high directivity beams. The lens antennas have the advantages of low loss, low …
Geometric Optics with Uniform Asymptotic Physical Optics for Ray Tracing of Compound GRIN Lens Systems
In this paper, a compound Gradient-Refractive Index (GRIN) lens simulation method using
hybrid Geometrical Optics and Uniform Asymptotic Physical Optics is proposed. The ray …
hybrid Geometrical Optics and Uniform Asymptotic Physical Optics is proposed. The ray …