Frequency of external signals is constantly needed to be measured when complex measurement and control instructions are executed in an embedded system.
嵌入式控制系统在执行复杂测量与控制任务的同时，常需要测量外部信号的频率。
Wireless remote measurement and control system is an advanced technology, based on embedded system and wireless communication technology.
无线远程测控系统是在嵌入式技术的基础上，结合无线通信技术而形成的新型监测控制系统。
This paper analyzes the application of ARM microprocessor in a gateway of embedded remote measurement and control system, elaborates on the design method about software and hardware of this gateway.
分析了ARM微处理器在嵌入式远程测控系统网关中的应用，重点阐述了网关软、硬件的设计方法。
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