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<p>We give a direct proof in this paper for the existence of best approximation of random signals in unit disc, using the asymptotic behavior of the elliptic integral of the first kind.</p>

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A Direct Proof for the Existence of Best Approximation of Random Signals

  • 期刊论文

  • 发表日期：

    2025年12月2日

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  • Ming Jin,
  • Chitin Hon,
  • Tao Qian,
  • Jinxun Wang

摘要

We give a direct proof in this paper for the existence of best approximation of random signals in unit disc, using the asymptotic behavior of the elliptic integral of the first kind.