CN103808795B - 一种新型脉冲检测算法 - Google Patents
一种新型脉冲检测算法 Download PDFInfo
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- CN103808795B CN103808795B CN201410053440.3A CN201410053440A CN103808795B CN 103808795 B CN103808795 B CN 103808795B CN 201410053440 A CN201410053440 A CN 201410053440A CN 103808795 B CN103808795 B CN 103808795B
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- 238000001514 detection method Methods 0.000 title claims abstract description 24
- 230000007547 defect Effects 0.000 claims abstract description 22
- 238000001914 filtration Methods 0.000 claims abstract description 8
- 238000005070 sampling Methods 0.000 claims abstract description 5
- 238000005259 measurement Methods 0.000 claims abstract description 4
- 238000001228 spectrum Methods 0.000 claims abstract description 3
- 230000009466 transformation Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 239000004020 conductor Substances 0.000 description 4
- 230000005284 excitation Effects 0.000 description 4
- 230000035515 penetration Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000009659 non-destructive testing Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
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CN109632947B (zh) * | 2019-01-29 | 2022-12-02 | 中国特种设备检测研究院 | 基于传递函数的脉冲涡流检测方法、装置及存储介质 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4383218A (en) * | 1978-12-29 | 1983-05-10 | The Boeing Company | Eddy current flow detection including compensation for system variables such as lift-off |
US6344741B1 (en) * | 2000-06-20 | 2002-02-05 | Her Majesty The Queen As Represented By The Minister Of National Defence In Right Of Canada | Pulsed eddy current method for detection of corrosion in multilayer structures using the lift-off point of intersection |
CN101413923A (zh) * | 2007-06-12 | 2009-04-22 | 通用电气检查技术有限公司 | 用于脉冲涡流检查的自动提离补偿 |
CN102841137A (zh) * | 2012-09-30 | 2012-12-26 | 爱德森(厦门)电子有限公司 | 一种旋转涡流检测干扰信号补偿方法 |
CN103336049A (zh) * | 2013-06-27 | 2013-10-02 | 电子科技大学 | 一种消除提离效应的脉冲涡流检测方法及装置 |
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2014
- 2014-02-11 CN CN201410053440.3A patent/CN103808795B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4383218A (en) * | 1978-12-29 | 1983-05-10 | The Boeing Company | Eddy current flow detection including compensation for system variables such as lift-off |
US6344741B1 (en) * | 2000-06-20 | 2002-02-05 | Her Majesty The Queen As Represented By The Minister Of National Defence In Right Of Canada | Pulsed eddy current method for detection of corrosion in multilayer structures using the lift-off point of intersection |
CN101413923A (zh) * | 2007-06-12 | 2009-04-22 | 通用电气检查技术有限公司 | 用于脉冲涡流检查的自动提离补偿 |
CN102841137A (zh) * | 2012-09-30 | 2012-12-26 | 爱德森(厦门)电子有限公司 | 一种旋转涡流检测干扰信号补偿方法 |
CN103336049A (zh) * | 2013-06-27 | 2013-10-02 | 电子科技大学 | 一种消除提离效应的脉冲涡流检测方法及装置 |
Non-Patent Citations (4)
Title |
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Dual-frequency eddy-current NDE based on high-Tc rf SQUID;He D F et al.;《Physica C: Superconductivity》;20021231;第38卷(第3期);第223-226页 * |
Reduction of lift-off effects for pulsed eddy current NDT;Tian GuiYun et al.;《NDT&E International》;20041111;第38卷(第4期);第319-324页 * |
基于频谱分析的脉冲涡流检测提离消除技术;李斌 等;《无损检测》;20081231;第30卷(第12期);正文第924页第3-5段,图1 * |
涡流检测中提离干扰的抑制;张玉华 等;《测量与设备》;20081231(第6期);第23-27页 * |
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