1·The system's software include signal acquisition module, signal preprocessing module, character point detecting module, isochrone map construction module, output display and print module.
软件包括信号采集模块、信号预处理模块、特征点检测模块、等时图生成模块、输出显示和打印模块组成。
2·Through the analysis of the urban public transportation system, a new theoretical model based on GIS isochrone approach is put forward and a design prototype is described with an isochrone analysis.
提出了基于GIS等时线分析方法的理论模型，以城市公共交通运输系统的主要工具——公共汽车和城市火车为例，描述了等时线分析的设计原型。