This paper analyses the composition, transfer function and stability of the control system. It also analyses the control performance indexoffrequency characteristic, time-domain response and steady…
本文分析了该控制系统的组成、传递函数和稳定性,还分析了该系统的频率特性、时域响应和稳态误差。
2
If the tables are small or if the frequencyof queries that would make use of the functional index is small, then you may not benefit from creating a functional index.
如果表非常小,或者不经常执行使用函数索引的查询,那么创建函数索引可能收效甚微。
3
By analyzing frequency model and corresponding quality index evaluation model, the paper reveals the causes of accidents, and suggests some approaches to reduce and control transport accident.