In this paper, the principle of logging cablecommunicationsystem is introduced, and the model of logging communicationcable and simulation method are also discussed.
文中介绍测井电缆通信系统原理，以及测井通信电缆的模型和仿真方法，并给出计算仿真电路参数的方法。
2
Central air conditioner, automatic fire alarm, closed circuit TV watching system, communication network, public broadcasting and cable TV are all available in the exhibition hall.
展览大厅配有中央空调、自动火警、闭路电视、通讯网络、广播和有线电视。
3
to coordinate the planning and construction of communication pipeline system, public network, cable TV network and private network in collaboration with related departments;