For fast sub trend sequence searching, a various steps algorithm is proposed based on analyzing the similarity of adjacent sub series distance.
通过分析相邻子序列趋势距离的相似性，提出一种变步长趋势子序列快速搜索算法。
2
The basic function, constructing way and information searching workflow of sub-module were studied, which provide base for development of learning module of virtual printing problems training system.
通过研究子模块的基本功能、构建方法和信息检索流程，为虚拟印刷故障培训系统学习模块的开发奠定基础。
3
Theoretic analysis and simulation indicate that the algorithm has better performance for sub-trend searching in temporal and space, and is useful in time series dynamic feature analysis.