本系统实现了对视频数据的采集，编码（MPEG-4），检索回放等视频服务器的基本功能。
The basic functions of video monitoring system, including video data acquiring, encoding (MPEG-4), searching and playing back are accomplished by this system.
介绍了一种新型BH - 1型便携式旋桨流速仪，主要由自主研制的流速传感器、手持式主机及微机数据回放处理软件三部分组成。
A new portable propeller-type current meter BH-1 is introduced, which consists of three parts: flow velocity sensor, signal process circuit and data analysis software.
在需要回放时，再由单片机控制提取RAM中的数据，通过D/A转换器将数字信号转换为模拟信号，通过功率放大器将语音信号还原后回放出来。
When this system needs to playback, data is gotten from RAM, and it transforms into the analog signal through the D/A switch. Moreover through the power amplifier, the voice signal can be recovered.
应用推荐