塑料管壁厚超声测量的信号处理

程耀瑜; 张记龙; 李仰军; 杨录

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塑料管壁厚超声测量的信号处理

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- 塑料管壁厚超声测量的信号处理
- 塑料管壁厚超声测量的信号处理
- Issue 3, (1995)
- 作者机构：
  
  华北工学院
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：1995
- 稿件说明：
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程耀瑜, 张记龙, 李仰军, et al. 塑料管壁厚超声测量的信号处理[J]. 1995, (3).
DOI：

程耀瑜, 张记龙, 李仰军, et al. 塑料管壁厚超声测量的信号处理[J]. 1995, (3). DOI：

摘要

为了保证塑料管挤出的质量以及为自动控制挤出生产线提供数据，需要在线测量塑料管的壁厚。本文研究壁厚超声测量的信号处理方法，通过对回波信号时域和频谱的分析，并结合测量精度的要求，提出了处理电路应具有的性能指标及设计方法，并用实验数据进行了验证。

Abstract

In order to guarantee the quality of plastic pipes and provide data for automatic control of extruding process of the plastic pipes

it is necessary that the wall thick ness of plastic pipes is measured on-line. The paper studies the signal processing of the wall thickness by ultrasonic measurement. By means of the anal-ysis of the echo signais from time domain and frequency spectrum and considering the measurement procision

we put forward the properties that the signal process-ing circuits shoukl have and design of the circuits

which have been verified by ex-perimental data.

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