get the result from array of discrete forurier transform

get the result from array of discrete forurier transform

References

Reference NO 1

http://paulbourke.net/miscellaneous/dft/

Reference NO 2

http://stackoverflow.com/questions/10272644/fast-fourier-transform-results-frequency-axis-scale

Reference NO 3

http://www.math.psu.edu/mengesha/Math2025/lecture12.pdf

Reference NO 4

http://www.fing.edu.uy/if/cursos/fiscomp/extras/numrec/book/f12.pdf

Reference NO 5

http://www.imagemagick.org/Usage/fourier/

Reference NO 6

http://www.physics.nyu.edu/grierlab/idl_html_help/F4.html

Reference NO 7

http://arachnoid.com/signal_processing/fft.html

Reference NO 8

http://reference.wolfram.com/mathematica/tutorial/FourierTransforms.html