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1.发明公开Method and apparatus for eliminating background interference signals from multichannel detector arrays 有权方法和装置用于从多通道换能器组件的Eliminierubg背景干扰信号
公开(公告)号：EP0982597A3
公开(公告)日：2009-01-28
申请号：EP99660135.7
申请日：1999-08-26
申请人： ELEKTA AB (publ.)
IPC分类号： G01R33/025 , G01D3/028 , G01R33/035
CPC分类号： G01R33/0354 , G01D3/032 , G01R33/025 , G01R33/0356 , G01R33/0358 , G01R33/1269
摘要： A method and apparatus is described for making multichannel measurements of weak signals in noisy environments. The method is based on an adaptive compensation technique in which the large interfering background signal is first recorded by using the apparatus itself. By a statistical analysis of this multichannel measurement the independent components of the interference are determined. The apparatus is provided with compensator elements which are properly coupled to individual sensors for both to collect and distribute information on the interference during the measurement. The proper couplings are derived from the interference measurement mentioned above. In this way the output of the device can be made immune to the large amplitude interference components present in its environment. This reduces the dynamic range requirement for the data transport and storage systems.
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2.发明授权Method and apparatus for eliminating background interference signals from multichannel detector arrays 有权的方法和装置用于从多通道换能器组件消除背景干扰信号
公开(公告)号：EP0982597B1
公开(公告)日：2013-07-17
申请号：EP99660135.7
申请日：1999-08-26
申请人： ELEKTA AB (publ.)
IPC分类号： G01R33/025 , G01D3/028 , G01R33/035 , G01R33/12 , G01D3/032
CPC分类号： G01R33/0354 , G01D3/032 , G01R33/025 , G01R33/0356 , G01R33/0358 , G01R33/1269
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