本文旨在把判断低阶时滞系统稳定性的“截点法”推广到高阶迟后型时滞系统的稳定性判断。
The purpose of this paper is to generalize the use of "intersection point method" of the stability test for lower order delay systems to stability test for higher order retarded delay system.
本文介绍了MATLAB中SISOTOOL工具的使用，并以实例说明了用该工具设计超前迟后补偿器的详细过程。
This paper introduces the use of the tool SISOTOOL in MATLAB. Through an example, the detailed process of designing a lead-lag compensator is brought out.
本文回顾了5 0年代以来贵阳城市地质工作的概况，建议贵阳市新的城市地质工作的开展宜早不宜迟，提出了下一步开展贵阳市地质工作的新思路、新理论、新方法及主要预期成果。
General situation of geological work for more than 50 the last years is reviewed in the paper and is making a suggestion with regard to launch new round of urban geological work in Guiyang city.
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