这不是“数字电视”——模拟的组合视频信号变为数字信号以利传输，由变回到模拟信号用以在模拟电视机上显示图像。
This is not "digital television" — it is a normal composite video signal for analog television converted to a digital format for transmission and then converted back to analog for display.
系统运用CMOS数字图像传感器取代模拟CCD摄像机，采用带有usb总线的PIC18 F 4550单片机来控制和传输数据，实现了视觉检测前端数据采集与传输的数字化、智能化。
CMOS digital image sensor and PIC18F4550 micro-controller with USB bus are applied to this sys - tem instead of the analog CCD camera to realize the digital acquisition and intelligent transmission.
同时在一个可变带宽的远程多媒体通信模拟平台上实现了视频图像的实时网络传输。
Based on a remote multimedia communication testbed with adjustable bandwidth, real-time transmission of video is implemented.
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