Cosmos++ Low-Res Time Series FFTs:

Power Spectrum:

The domain-averaged, pointwise FFT is in red while the sum of the average mode amplitude spectrum is in blue.

Mode m=0,1,2,3,4 is colored Black, Red, Blue, Green, Yellow, respectively.

Ken Henisey
Graduate Student
Department of Physics
University of California
Santa Barbara, CA 93106-9530