Furthermore, the system USES the data encrypting to come true the data transfers safely, and the digital signature to carry out online approve system.
此外，本系统还利用数据加密技术，实现了数据在网络中的安全传输，利用数字签名技术实现了网上审批功能。
Data acquisition card is the AD interface card, which converts the analogy signal to the digital signal, and transfers the digital signal to the computer.
数据采集卡是一种把外界模拟信号转换成数字信号，并把数字信号输入到计算机系统的一种AD接口卡。
In this article, we introduce the digital communication technology which accomplish data transfers in the underwater ship noise test.
本文所介绍的是采用数字通信技术实现船舶水下噪声测量的数据传输。
The key technology of a IPTV system includes audio and video encode, QoS of audio and video transfers over IP network and digital right management system.
经分析，要构建一个网络数字电视系统，其关键技术主要集中在音视频信号数字化编码、音视频信号在IP网络有质量的传输、数字版权管理系统等方面。
The key technology of a IPTV system includes audio and video encode, QoS of audio and video transfers over IP network and digital right management system.
经分析，要构建一个网络数字电视系统，其关键技术主要集中在音视频信号数字化编码、音视频信号在IP网络有质量的传输、数字版权管理系统等方面。
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