节目分送子系统的目标是根据节目排程自动把省中心视频服务器节目及相应的资料下载到地市州视频服务器中。

The subsystem of distributing and delivering program from the video server in the province center to the video server in the counties or states according to the schedule.

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单片机是根据图像处理部分送来的雾滴等级给pwm变换器送不同占空比脉冲来实现对喷头电机进行调速的。

The single chip adjust the speed of sprayer though send the pulse to PWM depend on fogdrop grade sended by image processing system.

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