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A novel method for high-frequency and semi-infinite Bessel integrals
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DOI：10.1016/j.amc.2026.130220.png)
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Abstract
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In this paper, we propose a novel method for high-frequency and semi-infinite Bessel integrals. We decompose the integration interval into a finite part and a tail part. Each component is then efficiently approximated using numerical steepest descent method. Theoretical analysis and numerical examples are presented to show its efficiency.
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3.4
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2.3W
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3.3W
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