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对多传感器系统预处理部分的灵敏度、选择性、精度及分离性作了全面分析，并引用矩阵范数证明了估计精度和分离性的上界。这些上界揭示了精度和分离性与设计阵的条件数［Ｃｏｎｄ（Ｂ）］以及设计阵偏离值δＢ和随机变量ε之间的关系。这表明，欲提高多传感器系统的估计精度，可通过控制Ｃｏｎｄ（Ｂ）、δＢ和ε来实现
The sensitivity, selectivity, precision and separability of the pretreatment part of the multisensor system are comprehensively analyzed. The norm of matrix is used to prove the upper bound of the estimation accuracy and separability. These upper bounds reveal the relationship between accuracy and separability and the design condition [Cond (B)] and the deviation of the design matrix δB from the random variable ε. This shows that to improve the estimation accuracy of multisensor systems, it can be achieved by controlling Cond (B), δB and ε