TRANSMISSION OF TWO NTSC COLOR TELEVISION SIGNALS OVER A SINGLE SATELLITE TRANSPONDER VIA TIME-FREQUENCY MULTIPLEXING.

被引：0

作者：

Schmidt, R.L.

Haskell, B.G.

机构：

来源：

IEEE Transactions on Communications | 1983年 / COM-31卷 / 11期

关键词：

Television transmission - Television transmitters; Color;

D O I：

10.1109/tcom.1983.1095760

中图分类号：

学科分类号：

摘要：

A time-frequency multiplexing (TFM) method is described for transmitting two television signals over one satellite transponder, which gives significant improvement over existing methods. The general philosophy of TFM is described, including the benefits of using a difference signal to reduce the overall required bandwidth. Also discussed is companding of the difference signal as a means of improving the overall signal-to-noise ratio. Several alternative methods of implementation are considered, along with those which have been explored in some detail.

引用

页码：1257 / 1266