One design method of composite video signal generator using high-speed D/ A converter was proposed. 提出了一种运用高速D/A卡产生复合视频信号的方法。
The displacement current is amplified, converted to a voltage, and fed to the outside world as part of a composite video signal or digitized signal. 移位电流被放大,转换成为电压,作为部分复合视频信号或者数字信号输送给外部世界。
Composite Video Signal Sampling System Based on CPLD 基于CPLD的黑白全电视信号采集系统
A commutator of composite video signal based on PXI bus 一种基于PXI总线复合视频信号转接卡
Experimental results show that by means of these methods the PAL composite video signal which accurately accords with specifications can be obtained. 实践表明,采用这些方法可以获得高质量PAL制彩色全电视信号。
Developes a new system used to capture the live composite video signal to the hard disk and preview it in real time. 研究开发了能将标准模拟视频信号实时采集存储到硬盘上,并且可以完成预览功能的视频流捕获系统。
Separating Processing of the Main Contents for Composite Video Signal 全电视信号主要内容的分离及处理
Accepted picture output two streams, from one of which the composite sync outputs needed by chip for video characters overlapping is separated in the video sync separator. The other is input of the video amplifying circuit to drive the signal. 接收到的图像信号分两路,一路进入同步信号分离器,分离出字符叠加芯片所需的复合同步信号,另一路进入视频放大电路,对信号进行驱动。