【摘要】 介绍基于GPRS网络无线DDN系统的构成、组网以及在电力系统的应用,同时对传输包长度、效率、时延等参数进行分析。更多还原

【Abstract】 This article introduces the GPRS based on Digital Data Network(DDN) infrastructure and applications for power system and analyzes the data transmission packet length,effecincy and delay parameters to give the general review of the GPRS data services.更多还原