摘要
本文根据视距公式和反射公式,结合南充市至64站之间的地形特点,采用调整发射天线高度和指向的办法,让电视信号跨越高山屏障,使接收点的合成场强得以增强,为直接转播中央电视台节目提供了高质量的信号源。
The paper is on how to let telelision signals get over mountains in order to strengthen the synthetic electric field of the receptions and to provide high quality signals of receiving programmes from CCTV, This is by adpoting the way of adjusting the altituve and the direction of the transmitters′ antennas according to the formula of visual-range and reflection and the geographic features of the region between the city of Nangchong and No 64 station.
出处
《西华师范大学学报（哲学社会科学版）》
1986年第1期71-78,共8页
Journal of China West Normal University:Philosophy & Social Sciences
