The widely use of airless digital communication, ARM technology, automation technology and network makes the possible achievement of digital, modularize and real time program control system.
无线数字通信技术、嵌入式技术、自动控制技术和网络技术的广泛应用，使得实现程序控制系统的数字化、模块化、实时性成为可能。
The digital control access of digital television program is one of essential technical which protect content supplier benefit.
数字电视节目的数字条件接收系统是保护内容供应商利益的关键技术之一。
The design method of normal frequency standard signal source, which utilizes program control digital wave synthesis technology and achieved by microcontroller was given.
采用程控数字波形合成技术，通过单片微型计算机系统实现了工频标准信号源。
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