Digital wireless transmit video frequency for max-range 87 kilometers.
最大距离达到87公里数字化无线传输音视频；
The digital portion includes low-frequency video, the pulses that keep receivers synchronized with transmitters, and the audio signal for high-quality stereo sound.
数字部分包括低频视频(使接收机与发射机保持同步的脉冲)以及用于高质量立体声的音频信号。
Conventional digital video acquisition card can only collect but not process video frequency.
传统的数字视频采集卡通常只具备视频采集功能，而不具备视频处理功能。
At present, most portable digital X-ray imaging systems are orthoptic type, they cannot export video frequency signal, test quantificationally and analyze with computer straightly.
目前国内现有的便携式X光机都是直视型的，不能输出视频信号，且不能直接与计算机连接进行定量测量和分析。
A digital video frequency surveillance system is designed and implemented. The system is consisted of video frequency server based on embedded pl ATform, PC-based control center and client.
设计和实现了一个嵌入式视频监控系统，系统由基于嵌入式平台的视频服务器、基于PC机的控制中心和客户端组成。
A digital video frequency surveillance system is designed and implemented. The system is consisted of video frequency server based on embedded pl ATform, PC-based control center and client.
设计和实现了一个嵌入式视频监控系统，系统由基于嵌入式平台的视频服务器、基于PC机的控制中心和客户端组成。
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