Find centralized, trusted content and collaborate around the technologies you use most.
Teams
Q&A for work
Connect and share knowledge within a single location that is structured and easy to search.
当我尝试创建音频文件的频谱图时,我应该绘制时间与幅度还是时间与频率?
三个都。一个轴是时间,一个轴是频率,第三个轴(或颜色或亮度或其他)是当时频率的强度,由傅立叶变换确定。