09/06/16 21:31:04
>>171
|H(ω)|^2 = c_0 + 2c_1･cos(ωT) + 2c_2･cos(2ωT),
c_0 = (7/10)^2 + (37/50)^2 + (211/2500)^2 = 6529521/(50^4) = 1.04472336
c_1 = - {(7/10) + (211/2500)}(37/50) = 72557/(50^3) = 0.580456
c_2 = (7/10)(211/2500) = 1477/25000 = 0.05908