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术语 signal converter
释义 signal converter
信号转[变]换器
1. A device in which the input and output signals are formed according to the same code but not according to the same type of electrical modulation.
其中输入与输出信号根据相同代码而形成,但用不同方式调制的一种设备。
2. A device or circuit that changes the electrical characteristics of signals( polarity and /or voltage).
一种改变信号的电特性(如极性或/和电压)的设备或电路。
3. In cable television, a device located at the head end to convert the received UHF signals to frequencies in the VHF range for transmission along the cable system.
在电缆电视中,位于头端的一种设备,可以将收到的超高频(UHF)信号转换成甚高频(VHF)范围 的频率,以便沿电缆系统进行传输。
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