当前,影响电视收看质量的主要原因,在城市是由于高大建筑物反射造成的电视重影干扰;在农村,距离电视台较远时,是由于电视信号太弱造成的雪花干扰。针对上述两种干扰,在电视接收天线方面目前已出现一些新的成果,本文对此作些简介。 At present, the main reason that affects the quality of television viewing is that urban ghosting is caused by the ghosting caused by the reflection of tall buildings. In rural areas, when it is far from the television station, it is caused by snow caused by too weak television signals. In view of the above two kinds of interferences, some new achievements have appeared in the television receiving antenna at present, and this article gives some brief introduction.