radio
无线电广播是以无线电波为传输广播节目载体的广播方式。世界公认的首次电台播音是1920年11月2日美国威斯汀豪斯公司在匹茨堡的KDKA电台播出哈定当选总统。此后，苏联、英国以及中国等许多国家纷纷建立了广播电台。
radio 热门资料
查看全部 166 份 →GPRS是通用分组无线业务(General Packet Radio Service)的简称
GPRS是通用分组无线业务(General Packet Radio Service)的简称，它突破了GSM网只能提供电路交换的思维方式，只通过增加相应的功能实体和对现有的基站系统进行部分改造来实现分组交换，这种改造的投入相对来说并不大，但...
CDMA mobile radio design Jon B. Groe Lawrence E. Larson
CDMA mobile radio design Jon B. Groe Lawrence E. Larson...
RIL( Radio Interface Layer) is the middleware for GSM/GPRS/EDGE module, this version support the GS
RIL( Radio Interface Layer) is the middleware for GSM/GPRS/EDGE module, this version support the GSM 07.10 mutiplexier ...
With the Wireless module, OPNET can model both terrestrial and satellite radio systems. In this tut
With the Wireless module, OPNET can model both terrestrial and satellite radio systems. In this tutorial, you will use...
this is a document about radio frequency identification RFID, this was a project ,i have done last y
this is a document about radio frequency identification RFID, this was a project ,i have done last year ,actually this t...