MOOC 通信原理(东南大学)1001752356 最新慕课完整章节测试答案
Chapter 0 Back ground and preview
第零章单元测验
1、单选题:
选项:
A: a continuous rectangular pulses
B: a periodic sequence of rectangular pulses
C: a continuous sinusoidal signal
D: a periodic sinusoidal signal
答案: 【 a periodic sequence of rectangular pulses】点我阅读全文