报错[05-08 18:18:03] [error] Error: No such fileat SFTPStream._transform (c:\Users\flashzxi\.vscode\extensions\liximomo.sftp-1.12.9\node_modules\ssh2-streams\lib\sftp.js:412:27)at SFTPStream.Transform._

离散傅里叶变换公式推导先抛变换公式：Fm=∑n=0N−1fne−2πimn/N↔fn=1N∑m=0N−1Fme2πimn/NF_m=\sum_{n=0}^{N-1}f_ne^{-2\pi imn/N}\leftrightarrow f_n=\frac{1}{N}\sum_{m=0}^{N-1}F_me^{2\pi imn/N}Fm​=n=0∑N−1​fn​e−2πimn/N↔fn​=N1​m=0∑