[附录1：关于傅里叶变换](%E9%99%84%E5%BD%951%EF%BC%9A%E5%85%B3%E4%BA%8E%E5%82%85%E9%87%8C%E5%8F%B6%E5%8F%98%E6%8D%A2.md) [附录2：其他](%E9%99%84%E5%BD%952%EF%BC%9A%E5%85%B6%E4%BB%96.md) [附录3：编程及软件](%E9%99%84%E5%BD%953%EF%BC%9A%E7%BC%96%E7%A8%8B%E5%8F%8A%E8%BD%AF%E4%BB%B6.md)