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首页> 外文会议>Applied electromagnetics(III) >Frequency Scanning Technology 'Multi-Frequency Excitation Spectrogram Method' for Nondestructive Evaluation
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Frequency Scanning Technology 'Multi-Frequency Excitation Spectrogram Method' for Nondestructive Evaluation

机译：用于无损评估的频率扫描技术“多频励磁频谱图方法”

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摘要

Multi-Frequency Excitation Spectrogram (MFES) method for eddy current nondestructive testing was developed by the authors in order to improve traditional system performance. The purpose of this paper is to demonstrate enhanced ability of the MFES method to discriminate flaw signal against interference from fasteners, subsurface structures, liftoff, minor scratches and other noises. A short description of the system is given. Noise suppression methods are suggested and tested. One of the various sensor is proposed. The extended experiments with interfering conducting structures for this sensor was performed and their results are presented and discussed.
机译：作者开发了用于涡流无损检测的多频励磁频谱图（MFES）方法，以提高传统系统的性能。本文的目的是展示MFES方法增强的能力，以区别瑕疵信号，免受紧固件，地下结构，剥离，轻微划痕和其他噪声的干扰。给出了系统的简短描述。建议并测试了噪声抑制方法。提出了各种传感器之一。进行了针对该传感器的干扰导电结构的扩展实验，并介绍和讨论了其结果。

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