作者gauss760220 (章鱼)
看板Electronics
标题[问题] 电子学疑问
时间Mon Jul 19 17:39:02 2010
The UHF(Ultra High Frequency) television broadcast band begins with channel 14
and extends from 470MHz to 806MHz.If 6MHz is allocated for each channel,how
many channels can this band accommodate?
Ans.56;channels 14 to 69
答案有附在上面了
我的问题在於 我看不懂这题要干麻
所以无从下手
烦请好心人士指点一下吧
谢谢
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1F：推 stevegood:就是频宽那麽大 中间可以有几个频道吧？ 07/19 19:03
2F：推 guanrulee:(806-470)/6 他问你中间可以有几个channel 07/19 22:49
3F：→ guanrulee:一个channel有6MHz 从第十四频道开始算 07/19 22:50