数字交换系统 meaning in English
des digital exchange system
digital switched system
Examples
- A digital pbx system based on fpga
的数字交换系统的设计与实现 - This article uses cpld technology to improve the hardware integration degree so as to ensure the high system reliability ; it applies digital signal process technology to producing and recognizing large volume ditigal voice signals in switch systems ; it replaces the old - used special voice signal process chips , thus lowers the cost , improves the quality ; it uses high quality common pc 104 units to complete the main processor tasks , which greatly improves the signal processing capability in the digital switch systems , and provides a great convinence for future technology upgrade as well ; in system archtecture , we exploit modular design technique on client ports and repeater ports , which gains more reliability and easy maintenance
本文主要采用了cpld技术提高硬件的集成度以保证系统的高可靠性：用数字信号处理技术完成交换系统中大量的语音信号的产生和识别，代替以前的专用语音信号处理芯片，降低了成本，提高了性能：用高性能的通用pc104单元完成主处理机的工作，大大提高了数字交换系统的信息处理能力，并为今后的技术升级提供了方便：在系统结构上对用户端口和中继端口采用模块化设计，性能可靠，维护方便。