文档介绍：“elopment,晰relesscoInmllIlicationtecllllologyplayaimponaIltrolein也epeopleproductionaIldlife,)vardhi曲inte刚ionandlli曲·、^,systemwidely印pliedthehospitalwardringingsystem,,’,tllesyStemhaVeela_boratedhardwarecircuitdesigIl’includingthemicro—controllermodule,RF咖lsceiVermodule,powermodule,、Ⅳ-IFreceiVera11dtlledirect—-’paIlyllaVeacllieVedtheso觚arepartofsystem,Whjchincludepro伊a11:lllling,,thearticledetailedly锄alyzeso疔warearchitectureandeachmodulepro伊㈣(ContinuouSToneCodedSquelchSystem)a11dDCS(D蜮talCodedSquelch),嬲wellaShowt0useMCUencodingaIlddecodingofsub—,thearticlediscussedsystem’,proVidedbyS谢mST-’-mu面cationte瑚【:MCU:Wi】mumcation;1kmsceiver;Low-,无线通信技术中的新技术、新思想层出不穷,其中先进大规模集成电路和高速信号处理DSP促使了通信接收机向数字化方向的发展。1992年5月,JoeMitola提出了一个新的概念So№I湖io(软件无线电),它是一种利用软件完成多任务、多频段、可重构的无线通信系统。这个思想的核心技术是将数模