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Application of Hanning Low pass Filter for the Measurement of Non straightness of Straight Tube with PSD(PDF)

《南京理工大学学报》(自然科学版)[ISSN:1005-9830/CN:32-1397/N]

Issue:
1999年01期
Page:
85-88
Research Field:
Publishing date:

Info

Title:
Application of Hanning Low pass Filter for the Measurement of Non straightness of Straight Tube with PSD
Author(s):
Yuan Hongxing Wang Zhixing Li Zhenghua He Anzhi
School of Sciences,NUST,Nanjing210094
Keywords:
posit ion sensit ive detector non-st raightness spectrum analysis hanning lowpass filter noise
PACS:
TP212,TG81
DOI:
-
Abstract:
A novel method for measuring the non-st raightness of straight tube w ith PSD is briefly introduced in this paper. The f requency spectrum is used to analyze theoret ical nonst raightness model and experimental data . Herefrom, the characterist ic of main-occupancy of low-f requency is concluded. In order to filter the high-f requency noise, Hanning Low-pass Fi-l ter is ut ilized to overcome the dif ficulty in filtering hig h-frequency noise of space domain sig nal such as the non-straig htness of st raight tube with elect ronic filter.

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Last Update: 2013-03-29