input.txt

C++实现的FFT

0.5751          0    
0.4514          0
0.0439          0    
0.0272          0     
0.3127          0    
0.0129          0    
0.3840          0
0.6831          0
0.0928          0
0.0353          0
0.6124          0
0.6085          0
0.0158          0
0.0164          0
0.1901          0
0.5869          0