A robust approach to apodization design in phased arrays for ultrasound imaging
Sign Up to like & getrecommendations! Published in 2017 at "Ultrasonics"
DOI: 10.1016/j.ultras.2016.12.009
Abstract: HighlightsAn apodization method is proposed which is robust to the sound speed variations.The method minimizes the sidelobe level for a predefined mainlobe width.Using semidefinite relaxation method, the problem is efficiently solved.For all possible variations of… read more here.
Keywords: phased arrays; apodization; method; speed ... See more keywords
Design of Comb-Line Array Antenna for Low Sidelobe Level in Millimeter-Wave Band
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Access"
DOI: 10.1109/access.2022.3169280
Abstract: In this paper, a deformed radiating element is proposed to design a comb-line array antenna for low sidelobe levels in the millimeter-wave band. To design the comb-line array antenna with a low sidelobe level, the… read more here.
Keywords: array antenna; line array; line; comb line ... See more keywords
Novel Method for Sidelobe Level Suppression in Multielement Angled Dipole Array Antennas
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Access"
DOI: 10.1109/access.2022.3208099
Abstract: In this paper, we propose a one-dimensional (1D) array antenna with improved sidelobe level (SLL) and cross-polarization (x-pol) characteristics. The array elements constituting the 1D array antenna comprise different numbers of dipole elements, and each… read more here.
Keywords: array antenna; array elements; novel method; sidelobe level ... See more keywords
A Compact Beam-Scanning Leaky-Wave Antenna With Improved Performance
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Antennas and Wireless Propagation Letters"
DOI: 10.1109/lawp.2018.2817478
Abstract: A compact microstrip leaky-wave antenna (MLWA) with reduced sidelobe level and increased linear frequency-scanning capability is proposed in this letter. Symmetric Yagi-like elements are introduced, which reduce the sidelobe level by radiating the remaining power… read more here.
Keywords: leaky wave; beam scanning; wave antenna; compact beam ... See more keywords
Optimized Masking for MIMO Radar Signals
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Transactions on Aerospace and Electronic Systems"
DOI: 10.1109/taes.2021.3082713
Abstract: Electronic attack devices can interrupt a radar system by emitting jamming signals. This function typically depends on the support from electronic support measure (ESM) devices, which can capture and identify radar signals in the air.… read more here.
Keywords: esm devices; radar signals; adversarial esm; sidelobe level ... See more keywords
Range Sidelobe Level Reduction With a Train of Diverse LFM Pulses
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Aerospace and Electronic Systems"
DOI: 10.1109/taes.2021.3115991
Abstract: Target masking is a pervasive problem in radar signal processing: the range sidelobes of the waveform’s matched filter response may cause a strong target to prevent the detection of nearby weaker targets. Common solutions to… read more here.
Keywords: snr loss; level reduction; range sidelobe; sidelobe level ... See more keywords
Design of Shared Aperture Radar Arrays With Low Sidelobe Level of the Two-Way Array Factor
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Transactions on Antennas and Propagation"
DOI: 10.1109/tap.2020.2981735
Abstract: A study to reduce the peak sidelobe level (SLL) of a radar two-way array factor is presented. It applies the condition that the first significant sidelobe of the transmitting array is in the same direction… read more here.
Keywords: way array; radar; two way; way ... See more keywords
An Antenna Array Sidelobe Level Reduction Approach through Invasive Weed Optimization
Sign Up to like & getrecommendations! Published in 2018 at "International Journal of Antennas and Propagation"
DOI: 10.1155/2018/4867851
Abstract: The problems of synthesizing the beam patterns of the linear antenna array (LAA) and the circular antenna array (CAA) are addressed. First, an optimization problem is formulated for reducing the maximum sidelobe level (SLL) of… read more here.
Keywords: weed optimization; antenna array; invasive weed; beam ... See more keywords