The flow patterns were observed by a high speed video system and also by visual inspection. Their void fractions were measured.
流型的确定采用了高速录相机系统，也同时进行肉眼观察，并测量了不同流型的空隙度。
This thesis mainly discusses the front-end of the high-speed signal process in the system. Namely, it involves the radar echo video signal sampling.
本论文涉及的是该系统中高速信号处理的前端，即对雷达回波视频信号进行采集。
The high speed CCD video signal transformation, which is applied to the high speed CCD video signal displaying and recording system is studied.
本文研究高速CCD视频信号的变换，应用于高速CCD视频信号显示与记录系统。
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