In the second part, the implementation of digital filters in FPGA is studied systematacially.

第二部分系统地研究了基于FPGA的数字滤波器实现技术。

The article systematacially analyzes the conditions and characteristics of Taizhou formation's gas reservoir, discusses its type and model.

分析了朱家墩泰州组天然气的成藏条件和成藏特征、成藏类型和成藏模式。

It is the first time to research into the identification problem of major hazard source concerning widespread mined-out area instability systematacially.

首次对大面积采空区失稳的重大危险源辨识问题进行了系统研究。

The contents, ordinary methods and kinds of safety evaluation, and as well as the several methods of structure condition evaluation are systematacially introduced.

系统地阐述桥梁结构状态评估的内容、一般方法和分类，对比分析结构状态评估的几种常用方法；