Interference from one telegraph circuit to another telegraph circuit or into telephone circuits .

一条 电报线路或电话 线路对另一条电报线路或电话线路的干扰。

Three-phase coupling transmission line equation is derived for the overhead transmission lines based on the distributed circuit theory and telegraph equation . The wave parameter relations between two-phase circuit transmission line equation and three-phase coupling transmission line are achieved .

基于分布参数电路理论，应用 电报方程，推导出架空输电线三相全耦合传输线方程，并确定了二相 回路传输线方程波参数与全耦合传输线波参数的关系。

Telegraph equations can be looked as cascade connection of two-port network of lumped circuit of transmission line is a hyperbolic partial differential equations .

传输线可以看作集中 参数二端口网络的级联，其数学模型& 电报方程是一阶双曲型偏微分方程组。

A signal may be considered as some sort of interruption in a field of constant energy transfer . an example is the dots and dashes that open and close the electromagnetic field of a telegraph circuit .

信号可以看作是持续能量转移领域中的某种停顿，例如 电报 电路的电磁场中起启闭作用的点划。