PROPERTIES OF SINE WAVE PLUS NOISE 157 



by noting that 



Jo a + jS COS z; Jo L« + /^ cos v Jo J 



Jo 



= 7r(a2 - ^2)-i/2 _ {^/a)Ie{fi/a, a) 



Thus 



where 



/a.o = ire''h{c/2) + {irh' /a)e'"^'' le (~, a^ (A3-6) 



a = ^2 _^ c/2 (A3-7) 



