Beamshaping a Monopulse Array to Suppress Sidelobes for Both Sum and Difference Beams

Yeh, Shihyuan

doi:10.1109/apcap47827.2019.9472049

Cited by 1 publication

(2 citation statements)

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“…For the experiment, the array is steered to ( ) ( ) , 0 ,0 S S θ φ =   with a linearpolarized property, and a horizontal current distribution with binomial coefficients (1,6,15,20,15,6,1) is implemented along the array aperture while taking…”

Section: Methodsmentioning

confidence: 99%

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Developing Three-Dimensional Beamshaping Techniques on Volumetric Random Arrays to Suppress Array Sidelobes

Yeh¹

2023

OJAPr

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This paper proposes a three-dimensional (3-D) amplitude tapering technique on volumetric random arrays to minimize array sidelobes and emulate phased array operations on mobile platforms. Our ultimate goal is to realize wireless phased array applications carried out by mobile platforms; in this paper, we focus on the development of collaborative beamforming algorithms. This beamshaping technique mitigates the discontinuity of the current distribution along the array aperture and lower array sidelobe level (SLL) by specially paying attention to the array element's depth deviation. In this work, step by step amplitude tapering procedures are clearly illustrated. Further, a reconfigurable phased array with sixteen patch antennas is tested to verify the fidelity of the 3-D beamshaping algorithm. Measured and simulated radiation patterns are benchmarked to evaluate the sidelobe suppression results, and the best sidelobe suppressed region is around the array's main beam.

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Section: Methodsmentioning

confidence: 99%

“…(1,6,15,20,15,6,1) are deployed to taper the current amplitudes along the array aperture, and the normalized binomial coefficients are shown as the blue curve in Figure5. Mapping each array element to the binomial curve depends upon the relative distance derived in the previous step.…”

mentioning

confidence: 99%

Developing Three-Dimensional Beamshaping Techniques on Volumetric Random Arrays to Suppress Array Sidelobes

Yeh¹

2023

OJAPr

Self Cite

View full text Add to dashboard Cite

show abstract

Beamshaping a Monopulse Array to Suppress Sidelobes for Both Sum and Difference Beams

Cited by 1 publication

References 2 publications

Developing Three-Dimensional Beamshaping Techniques on Volumetric Random Arrays to Suppress Array Sidelobes

Developing Three-Dimensional Beamshaping Techniques on Volumetric Random Arrays to Suppress Array Sidelobes

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