Total complex power at the surface of the sphere P(a)-" ×H'asinθdOdφ e()f 1h (cha) where d p=ka,hin=hn(p),(phn)'=phn(p). do The average radiated power is the real part =(月） 2n+1 But the stored power is not the imaginary part.The imaginary part just equals to the difference of electric energy and magnetic energyTotal complex power at the surface of the sphere The average radiated power is the real part 2 * 2 0 0 P a E H a d d ( ) sin          But the stored power is not the imaginary part. The imaginary part just equals to the difference of electric energy and magnetic energy