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首页> 外文会议>Thermosense: thermal infrared applications XXXVI >Numerical approach to binary complementary Golay coded infrared thermal wave imaging
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Numerical approach to binary complementary Golay coded infrared thermal wave imaging

机译：二元互补格雷编码红外热波成像的数值方法

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摘要

A novel binary complementary (Golay) coded infrared thermal non destructive testing and evaluation approach is introduced for characterization of mild steel sample having flat bottom holes as defects. The resultant correlation results of these individual Golay complementary codes used to reconstruct a short duration high peak power compressed pulse to extract the subsurface features hidden inside the test sample. In this paper, a finite element method has been used to model a low carbon steel sample containing flat bottom holes as sub-surface defects located at different depths. Results show the depth scanning capabilities of the proposed Golay complementary coded excitation scheme as a promising testing and evaluation method to detect the subsurface defects with improved resolution and sensitivity.
机译：引入了一种新颖的二进制互补（Golay）编码红外热非破坏性测试和评估方法，用于表征具有平坦底孔作为缺陷的低碳钢样品。这些单独的Golay互补码的相关结果用于重建短时高峰值功率压缩脉冲，以提取隐藏在测试样本内部的地下特征。在本文中，有限元方法已被用来模拟低碳钢样品，该样品包含平底孔作为位于不同深度的次表面缺陷。结果表明，提出的Golay互补编码激励方案的深度扫描功能可作为一种有前景的测试和评估方法，以提高分辨率和灵敏度来检测地下缺陷。

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  • 来源
    《Thermosense: thermal infrared applications XXXVI》|2014年|91050T.1-91050T.6|共6页
  • 会议地点 Baltimore MD(US)
  • 作者

    Ravibabu Mulaveesala; Amarnath Muniyappa; Juned A. Siddiqui; Vanita Arora;

  • 作者单位

    InfraRed Imaging Laboratory (IRIL), Department of Electrical Engineering, Indian Institute of Technology Ropar, Nangal Road, Rupnagar - 140001, Punjab, India;

    InfraRed Imaging Laboratory (IRIL), PDPM Indian Institute of Information Technology, Design Manufacturing Jabalpur. Dumna Airport Road, P.O.: Khamaria, Jabalpur - 482 005, Madhya Pradesh, India;

    InfraRed Imaging Laboratory (IRIL), PDPM Indian Institute of Information Technology, Design Manufacturing Jabalpur. Dumna Airport Road, P.O.: Khamaria, Jabalpur - 482 005, Madhya Pradesh, India;

    InfraRed Imaging Laboratory (IRIL), Department of Electrical Engineering, Indian Institute of Technology Ropar, Nangal Road, Rupnagar - 140001, Punjab, India;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Infrared thermography; non-destructive testing; correlation; pulse compression;

    机译：红外热像仪；非破坏性测试;相关性脉冲压缩;

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