Analytical expressions which calculate the performance index of other error integration criteria are also given.

本文也提出计算其它类型误差积分性能指标的解析表达式。

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Firstly, an average performance index containing tracking error and control energy over a class of additive model errors is defined.

首先针对一类相加模型误差的描述，定义了一个平均意义上的包含跟踪误差和控制能量的性能指标。

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A performance index of error was presented. This index is a kind of evaluation of neural fuzzy model performance and synthetically considered training error and checking error of NFS.

提出了一种综合考虑了训练误差和检验误差的评价神经模糊模型性能的误差性能指标。

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These two scenarios can create an environment where performance expectations of investors may not be met due to the tracking error versus the underlying commodity index that is created.

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