The concept on integrated intelligent network is presented through combining intelligent networks with fixed networks,mobile netwlrks and IP netwlrks.The solution to GPRS prepaid services is provided,and the key techn...The concept on integrated intelligent network is presented through combining intelligent networks with fixed networks,mobile netwlrks and IP netwlrks.The solution to GPRS prepaid services is provided,and the key technology on this solution is studied.Finally,the executive process of GPRS prepaid service is shown by and instance.展开更多
结合配电网自动化的发展现状,分析了对分布分散的配电变压器等电气设备进行监控的必要性和可行性,设计了基于全球移动通信系统GSM(Global System for Mobile Communication)的变压器故障监测系统。该系统采用现场数据采集单元有效采集...结合配电网自动化的发展现状,分析了对分布分散的配电变压器等电气设备进行监控的必要性和可行性,设计了基于全球移动通信系统GSM(Global System for Mobile Communication)的变压器故障监测系统。该系统采用现场数据采集单元有效采集三相电压及电流,同时对采集的数据进行实时处理及分析,将结果通过GSM的通信模块传至后台接收模块,后台计算程序对接收的数据进行分解并存储到数据库,后台客户程序可实时实现录入、查询、报表等功能。展开更多
文摘The concept on integrated intelligent network is presented through combining intelligent networks with fixed networks,mobile netwlrks and IP netwlrks.The solution to GPRS prepaid services is provided,and the key technology on this solution is studied.Finally,the executive process of GPRS prepaid service is shown by and instance.
文摘结合配电网自动化的发展现状,分析了对分布分散的配电变压器等电气设备进行监控的必要性和可行性,设计了基于全球移动通信系统GSM(Global System for Mobile Communication)的变压器故障监测系统。该系统采用现场数据采集单元有效采集三相电压及电流,同时对采集的数据进行实时处理及分析,将结果通过GSM的通信模块传至后台接收模块,后台计算程序对接收的数据进行分解并存储到数据库,后台客户程序可实时实现录入、查询、报表等功能。