A METHOD OF SEPARATING IMPULSE SIGNALS FROM CONTINUOUS BACKROUND NOISES

张艳花; 杨录

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A METHOD OF SEPARATING IMPULSE SIGNALS FROM CONTINUOUS BACKROUND NOISES

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- A METHOD OF SEPARATING IMPULSE SIGNALS FROM CONTINUOUS BACKROUND NOISES
- 在连续噪声背景下分离脉冲信号的一种方法
- Issue 2, (1996)
- 作者机构：
  
  华北工学院
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：1996
- 稿件说明：
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张艳花, 杨录. A METHOD OF SEPARATING IMPULSE SIGNALS FROM CONTINUOUS BACKROUND NOISES[J]. 1996, (2).
DOI：

张艳花, 杨录. A METHOD OF SEPARATING IMPULSE SIGNALS FROM CONTINUOUS BACKROUND NOISES[J]. 1996, (2). DOI：

摘要

在探伤中经常遇到以脉冲形式出现的伤信号，伴有大小随机变化的连续噪声，包括某些因为仪器平衡点漂移产生的趋势项．有时噪声绝对值可能相当大，甚至超过伤信号．作者提出一种简便有效的方法，可以将伤信号分离出来，并对此方法作了一定的理论分析

Abstract

In defect detecting

defect signals appear in the form of impulses

accompanied with continuous random noises

including some trend terms produced due to balance drift. Sometimes

the amplitude of noises may be rather large

even larger than the amplitude of the defect signals.The authors put forward a simple and effective method

which can separate the defect signals from noises

and make a preliminary theoretic analysis. At the end of this article

the method is verified by some examples of defect signals in the detection of wire ropes.

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