发明名称 |
Control of web material production |
摘要 |
To determine a two-dimensional variation in a web material, as it is being produced, at least one web characteristic is measured across the whole web width, to give a two-dimensional measurement function. A series of elementary basis functions is selected, and the two-dimensional measurement function is folded with the elementary basis function to give a two-dimensional variation representative of the web.
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申请公布号 |
DE19824025(A1) |
申请公布日期 |
1999.01.14 |
申请号 |
DE19981024025 |
申请日期 |
1998.05.29 |
申请人 |
ABB INDUSTRIAL SYSTEMS INC., COLUMBUS, OHIO, US |
发明人 |
CHEN, SHIH-CHIN, ., ZZ |
分类号 |
G01N21/89;G01N33/34;(IPC1-7):G01N33/34;G01N21/86;G01N33/20;G01N33/44;G06F19/00 |
主分类号 |
G01N21/89 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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