若滚降系数为0.5的余弦滚降系统实际带宽为1200HZ，则能够实现最大的无码间串扰速率为_______波特。
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以下能够通过观察眼图进行估计的是( )。
A. 噪声干扰
B. 码间串扰
C. 过零点的畸变情况
D. 判决门限电平情况
1) What was the writer afraid of when he first became a college student?
2) What questions did he have about his classmates and himself?
3) What did the writer have to do in order to do well in his studies?
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