首页/ 题库 / [单选题]一个声源每秒钟可产生成百上千个声波,每秒的答案

一个声源每秒钟可产生成百上千个声波,每秒钟波峰所发生的数目称之为信号的( )。

单选题
2021-09-06 20:53
A、幅度
B、频率
C、量化点
D、采样点
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正确答案
B

试题解析

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