课前预习1
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课前预习1
Quiz
•
Mathematics
•
University
•
Hard
zhaokun xing
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8 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
下列四个离散信号中，是周期信号的
3.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
模拟信号也可以与数字信号一样在计算机上进行数字信号处理，只要加一道采样的工序就可以了
正确
错误
4.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
正确
错误
5.
FILL IN THE BLANK QUESTION
3 mins • 5 pts
6.
FILL IN THE BLANK QUESTION
5 mins • 5 pts
7.
FILL IN THE BLANK QUESTION
5 mins • 5 pts
8.
MULTIPLE CHOICE QUESTION
1 min • Ungraded
调查问卷（poll）：今天天气怎么样
晴
雨
高温预警
多云
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