| 摘要 |
PROBLEM TO BE SOLVED: To provide an analysis device for a plurality of pieces of sensor information to reduce load, required for estimating various parameters on a plurality of acoustic sensors. SOLUTION: The plurality of acoustic sensors are grouped, and it is assumed that one virtual acoustic sensor exists at an average position of acoustic sensors in each group. Optimization of the parameters for fictitious acoustic sensors is performed for each of the fictitious acoustic sensors. The parameters of acoustic sensors included in each group are set to be the same as the parameters of a fictitious acoustic sensor of a relevant group. COPYRIGHT: (C)2006,JPO&NCIPI
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