... abnormal : 非正态的；反常的，变态的 abnormal end : 异常终止 abnormal time : 异常时间，不正常时间 ...
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非正态数据的过程能力 Process Capability for Non-Normal Data
将现场测得的非平稳振动序列通过ARIMA模型和标准化处理，转化成标准正态平稳时间序列。
Through ARIMA model and standardization, the non stationary vibration series acquired in the field were transformed to stationary time series normally distributed.
此外本文还给出了严格非负定条件下实正态过程存在的一个充要条件。
Besides, this paper gives a sufficient and necessary condition of the existence of normal process under the strictly nonnegative definiteness condition.
通过对上证指数的统计分析表明，上证指数的收益率分布表现出非正态性，并存在自回归条件异方差的特征。
According to statistical analysis on Shanghai stock index, the distribution of the rate of return is non-positive skewed, and there exists an autoregressive heteroskedasticity in the rate of return.
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