题目内容

调制信道的定义范围是从调制器输入端到解调器输出端。

A. 对
B. 错

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信道编码是为了提高通信的可靠性。

A. 对
B. 错

小信噪比时,调频系统抗噪声性能将比调幅系统优越,且其优越程度将随传输带宽的增加而增加。

A. 对
B. 错

Because the Evenkis are living in the forest, their living place is very special, which is called ______.

A. Bamboo house
B. Xierenzhu
C. Log cabin
D. Stilted building

The Cuoluozi of Evenki ethnic group is a kind of removable _____.

A. log cabin
B. thatched cottage
C. tent
D. Carriage