the invention is a rapid calculation tool for calculating the electromagnetic induction dangers and disturbance in telecommunication line caused by the induction of the power line.
一种交流电气化铁道的接触网或不对称高压输电线对电信线电磁感应影响的多功能简化计算工具。
it also covers the principle of using of the platform of mapgis for second development and the construction as well as realization of the telecommunication line resource system.