论文部分内容阅读
同频转发技术 ,在ＭＭＤＳ系统中作为一种接力放大措施 ,进一步解决了远距离或阴影区的覆盖问题。1998年 11月 ,在巴彦县人和乡所在地 ,采用这种技术 ,建立了一座同频中继转发站 ,扩大了有效覆盖 ,解决了天增地区ＭＭＤＳ接收难的问题。1 中继转发前 ,天增地区ＭＭＤＳ的接收?
The same frequency forwarding technology, MMDS system as a relay amplification measures to further solve the problem of long-distance or shadow area coverage. In November 1998, this technology was used at the location of Renhe Township, Bayan County to establish a co-frequency repeater station, which has expanded coverage and solved the problem of MMDS reception in Tianzeng area. 1 relay before forwarding, Tianzeng area MMDS reception?