Methods of measurements of audio-frequency band and simulated systems for selective calling equipment used in the mobile services GB/T13721-1992移动通信选择呼叫设备音频段和模拟系统测量方法
Selective calling and collective calling. 选择呼叫和集体呼叫。
Addressing a terminal or a component on a selective calling circuit. 对一个选择呼叫电路上的一个终端或一个部件进行寻址。
A Ship Tracking System with The Application of Digital Selective Calling Techniques 利用数字选择性呼叫技术的船舶跟踪系统
For comparison, a thorough evaluation of Digital Selective Calling protocol for AIS is made as well. 作为对照,本文对采用数字选择性呼叫(DSC)通信协议的AIS技术也进行了深入全面的研究。
Set up City's Traffic Management System by Digital Selective Calling Technology in VHF 用甚高频数字选呼技术构建城市交通管理系统
In order to improve the ringing method of telephone used in power systems, a type of selective calling device using audio frequency has been developed. 为了使电力系统通信设备的呼叫装置更加使用方便工作可靠,我们研制了以按键电话机发出双音频呼叫信号进行选择接收的音频选号装置。
The Simulation of Digital Selective Calling Terminals 数字选择性呼叫终端的模拟