论文部分内容阅读
在离电视发射中心不太远、干扰电平又低的地方,可以采用宽波段、不需重调的接收天线,从而避免天线系统的复杂化。有许多种12频道天线,其中有业余性的,
In the place not too far from the TV transmitting center and the interference level is low, the wideband band can be adopted, and the receiving antenna without re-adjustment can be adopted to avoid the complexity of the antenna system. There are many kinds of 12-channel antenna, which has amateur,