This paper analyzes reason of measure waveform produce error in decode circuit, put forward experiment means of adopt closedcircuittelevisionsystem transmit signal.
分析了在解码电路实验中，测量波形产生误差的原因，提出了采用有线电视系统传送信号的实验方法。
2
For example, Britain, said a police spokesman in widely installed closed-circuittelevisionsystem, crime fell to 1 million or so.
例如，英国警方发言人说，在广泛安装闭路电视系统以后，犯罪案件下降到1万起左右。
3
This article discusses the selection of compatible closedcircuittelevision channels in all channel CATV system and explains how to use pocket computer to aid the design.