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Title: The solving methods of dwell time or pressure in CCOS for optical complex surfaces
Authors: Cheng, H
To, S 
Wang, Y
Keywords: Computer controlled optical surfacing (CCOS)
Dwell time
Wiener filtering
Issue Date: 2006
Publisher: Trans Tech Publications Ltd
Source: Materials science forum, Dec., 2006, v. 532-533, p. 669-672 How to cite?
Journal: Materials science forum 
Abstract: Error correction of optical complex surfaces in computer-controlled optical surfacing (CCOS) is primary important. This paper discusses some methods, i.e. Fourier transform method, Wiener filtering method, directive method and iterative method, for calculating dwell time or relative pressure in the CCOS for error-correcting, which are enlightened from the digital image processing techniques. However, these error correction methods are different from the image processing because they are not a subject of solving the causal signal but a problem of an iterative process. The simulation results show that the Wiener filtering method is good and reliable when the correlative parameters in the fabrication are kept consistent.
Description: 12th International Manufacturing Conference in China, September 21-23, 2006, Xi'an, China
ISBN: 978-0-87849-421-7
ISSN: 0255-5476
EISSN: 1662-9752
DOI: 10.4028/
Appears in Collections:Conference Paper

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