本文以非理想脉冲注入的扰动-响应技术，进行萃取柱轴向混合的研究。

This paper describes an imperfect pulse injection stimulus-response technique to study the axial mixing in the extraction column.

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针对电能质量扰动具有非稳态、突发性的特点，提出了一种电能质量短期扰动分类和检测的新方法。

Aimed at the characteristics of power quality disturbance, a new method is introduced for detecting. classifying and quantifying the short duration variations of power quality.

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本文讨论多自由度线性系统在非结构扰动下鲁棒稳定的扰动界。

This paper presents the robust stability bounds on unstructured perturbations for multi-degree-of-freedom linear systems.

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