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   Articles with "sidelobe" as a keyword



Reduced aperture low sidelobe patch array

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recommendations! Published in 2018 at "Electronics Letters"

DOI: 10.1049/el.2018.1051

Abstract: This Letter presents the design of a reduced aperture low sidelobe 4 × 4 patch array whose aperture is much smaller than that of a conventional 4 × 4 patch array since the spacing between… read more here.

Keywords: reduced aperture; aperture; patch; sidelobe ... See more keywords
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Phased Sub-arrays Pattern Synthesis Method with Deep Sidelobe Reduction and Narrow Beam Width

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recommendations! Published in 2020 at "Iete Journal of Research"

DOI: 10.1080/03772063.2020.1853616

Abstract: Antenna arrays with low sidelobe patterns and high directivities are very desirable in practice and represent a key success for many communication systems such as radio telescopes, satellites, fift... read more here.

Keywords: arrays pattern; pattern synthesis; synthesis method; sub arrays ... See more keywords
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Enhanced bandwidth, low sidelobe resonant cavity antenna using tapered complementary FSS layers

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recommendations! Published in 2020 at "Journal of Electromagnetic Waves and Applications"

DOI: 10.1080/09205071.2020.1806738

Abstract: A novel resonant cavity antenna (RCA) with low sidelobe levels over an enhanced bandwidth is presented. Radiation bandwidth of the antenna is increased by using a pair of complementary FSS layers, giving a positive reflection… read more here.

Keywords: enhanced bandwidth; resonant cavity; cavity; sidelobe ... See more keywords

Synthesis and Measurement of a Circular-Polarized Deflection OAM Vortex Beam With Sidelobe Suppression Array

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recommendations! Published in 2020 at "IEEE Access"

DOI: 10.1109/access.2020.2993877

Abstract: In this paper, a chamfer distribution antenna array is designed to generate a deflecting circular-polarized vortex beam carrying orbital angular momentum (OAM) mode. When the vortex beam is designed with a deflection angle, the sidelobe… read more here.

Keywords: vortex beam; array; oam; sidelobe ... See more keywords

PAPR and Sidelobe Reduction Using Tone Reservation in OFDM RadCom Systems

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recommendations! Published in 2024 at "IEEE Sensors Journal"

DOI: 10.1109/jsen.2024.3418821

Abstract: The orthogonal frequency-division multiplexing (OFDM) waveform in integrated radar and communication (RadCom) system has the problems of high peak-to-average power ratio (PAPR) and range sidelobe, which leads to the degradation of communication and sensing performance.… read more here.

Keywords: tone reservation; using tone; papr range; sidelobe ... See more keywords

Effect Analysis and Spectral Weighting Optimization of Sidelobe Reduction on SAR Image Understanding

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recommendations! Published in 2019 at "IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing"

DOI: 10.1109/jstars.2019.2925420

Abstract: This paper focuses on effect analysis and spectral weighting optimization of sidelobe reduction on synthetic aperture radar (SAR) image understanding. First, a statistical model for each pixel in complex-amplitude distribution of the SAR image is… read more here.

Keywords: sar image; sidelobe; sidelobe reduction; spectral weighting ... See more keywords

A 24 GHz Microstrip Comb Array Antenna With High Sidelobe Suppression for Radar Sensor

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recommendations! Published in 2021 at "IEEE Antennas and Wireless Propagation Letters"

DOI: 10.1109/lawp.2021.3075887

Abstract: In this letter, a compact microstrip comb array antenna with high sidelobe suppression is presented for a 24 GHz radar sensor. Based on the printed circuit board process, several series-fed microstrip comb lines are designed… read more here.

Keywords: array; comb; microstrip comb; array antenna ... See more keywords

Dual-Band Structure Reused Aperture-Sharing Antenna With Low Sidelobe and High Gain for 5G Communication

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recommendations! Published in 2024 at "IEEE Antennas and Wireless Propagation Letters"

DOI: 10.1109/lawp.2024.3356614

Abstract: A dual-band structure reused aperture-sharing antenna is proposed in this letter. The millimeter-wave (mm-Wave) substrate integrated waveguide (SIW) slotted cavity backed antenna array, operating in TE440 mode, is embedded into the microwave annular-ring patch antenna,… read more here.

Keywords: aperture; dual band; gain; sidelobe ... See more keywords

Gain Bandwidth Enhancement and Sidelobe Level Stabilization of mmWave Lens Antennas Using AI-Driven Optimization

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recommendations! Published in 2024 at "IEEE Antennas and Wireless Propagation Letters"

DOI: 10.1109/lawp.2024.3382028

Abstract: This letter explores the transformative potential of artificial intelligence (AI) techniques in optimizing the phase distributions of a lens antenna to significantly enhance the gain bandwidth and stabilize the sidelobe levels (SLLs) at the millimeter-wave… read more here.

Keywords: gain; lens antenna; sidelobe; gain bandwidth ... See more keywords

Weighted Subspace-Constrained Adaptive Beamforming for Sidelobe Control

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recommendations! Published in 2019 at "IEEE Communications Letters"

DOI: 10.1109/lcomm.2019.2896578

Abstract: A weighted subspace-constrained minimum variance distortion-less response (WS-MVDR) beamformer is proposed for robustly controlling the peak sidelobe level (PSL) as well as the sidelobe shape of adaptive array pattern with stable mainlobe. The adaptive weight… read more here.

Keywords: control; weighted subspace; subspace constrained; subspace ... See more keywords

Sidelobe Control for Bistatic SAR Imaging

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recommendations! Published in 2022 at "IEEE Geoscience and Remote Sensing Letters"

DOI: 10.1109/lgrs.2021.3099174

Abstract: This letter presents coherent and incoherent nonlinear apodization methods for bistatic synthetic aperture radar (SAR) imaging. The methods are developed on the principle of nonlinear apodization for monostatic SAR imaging and a $\omega \,\,-\,\,k$ relationship… read more here.

Keywords: sar imaging; apodization methods; bistatic sar; sidelobe ... See more keywords