Answer Happy

A 2nd order linear system is given the input f (t)=100 sin 30t and the steady-state response is roughly * (t)=sin(30t – 1/2). Which of the following four Bode plots corresponds to the transfer function G(s)= X(s)/F(s) for this system? Note that the axes are different for each plot. = SS
o. O Bode Diagram -20 -40 -60 Magnitude (dB) -80 -100 -120 0 -45 Phase (deg) -90 -135 -180 100 102 103 101 Frequency (rad/s)
Bode Diagram -20 -40 -60 Magnitude (dB) -80 -100 -120 0 -45 Phase (deg) -90 - 135 -180 10-1 10° 101 102 Frequency (rad/s)
Bode Diagram -10 -20 Magnitude (dB) -30 -40 -50 0 MT Phase (deg) -45 -90 10-2 10-1 10° 101 102 Frequency (rad/s)
Bode Diagram 60 40 20 Magnitude (dB) 0 -20 -40 0 -45 Phase (deg) -90 -135 -180 100 103 101 102 Frequency (rad/s)