Energy Density Spectrun The quantity Sa(o)=G(eloy is called the energy density spectrum The area under this curve in the range π≤0≤π divided by2π is the energy of the sequence Copyright C 2001, S K MitraCopyright © 2001, S. K. Mitra 6 Energy Density Spectrum • The quantity is called the energy density spectrum • The area under this curve in the range divided by 2 is the energy of the sequence −     2 ( ) ( )   = j gg S G e