A/D转换的量化误差与位数的关系。
参考答案:
若A/D的位数为n、A/D最大输入值为Umax,则量化误差为:Δ=。输出的数字量位数越多,转换出的数字量的舍入误差越小
---____? ---The famous singer Sog Zuying will come to our city.
A.What’s the matter
B.What’s that
C.What’s new
D.What about
You don''t look well . You ____ have a fever .
A.might
B.can
C.shall
D.should