2021大学慕课答案 Digital Signal Processing(Nanjing University of Posts and Telecommunications) 最新大学MOOC满分章节测试答案
本答案对应课程为:点我自动跳转查看
本课程起止时间为:2021-03-08到2021-06-21
1st Week: Unit 1 Introduction Unit Test for Unit 1
1、 问题:If you want to digitize the speech signal for subsequent processing, the speech signal must be passed through:
选项:
A:anti-aliasing analog filter
B:D / A conversion
C:digital filter
D:A / D conversion
答案: 【anti-aliasing analog filter;
A / D conversion】 点我阅读全文



