2179| 10
|
[FFT] 频谱转换至功率谱的疑问 |
| ||
发表于 2013-2-20 20:17
|
显示全部楼层
评分 | ||
发表于 2014-5-28 22:50
|
显示全部楼层
点评
负频率是数学上的概念,在物理上较难理解。
| ||
发表于 2014-5-29 09:11
|
显示全部楼层
| ||
GMT+8, 2024-11-10 23:49 , Processed in 0.069809 second(s), 19 queries , Gzip On.
Powered by Discuz! X3.4
Copyright © 2001-2021, Tencent Cloud.