9398| 4
|
请求解答试题:简述QPSK,QAM,COFDM这三种调制方式在频带利用率和抗干扰能力方面的区别 |
| ||
| ||
手机版|中广网讯(北京)信息技术有限公司 京ICP备16012447号-10
GMT+8, 2024-6-17 21:17 , Processed in 0.018848 second(s), 16 queries , Gzip On.
Powered by Discuz! X3.5
© 2001-2024 Discuz! Team.