第一类线性相位FIR滤波器只可以用来设计带通滤波器。
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第四类线性相位FIR滤波器可以用来设计高通滤波器和带通滤波器。
A. 对
B. 错
FIR滤波器的线性相位条件中有一定的对应关系，当相位函数为第一类时，对应的h(n)满足偶对称。
A. 对
B. 错
线性相位FIR滤波器当零点在单位圆上，但不在实轴上时，零点的个数为2个
A. 对
B. 错
According to the speaker, what we need to do to get others like us on a date?
A. To show that we have a good relationship to ourselves (i.e. We can recognize our own failings.).
B. To show that we view the other person with a mixture of tenderness and realism (指出我们看待对方既温柔又现实).
C. To drop in a small warm tease(开个小玩笑) that shows our understanding of some less than perfect side of them.
D. To please and compliment them with endless sweet words.
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