Frequency Response Frequency response is the anal ysis of the response of systemswhen subjected to a sinusoidal change in input When a linear system is subjected to a sinusoidal input its ultimate response is also a sustained sinusoidal wave, with the same frequency The figure below compares the output response of a system (solid line)with a sinusoidal input ( dashed line )disturbing the system 2022-2-32022-2-3 2 Frequency Response Frequency response is the analysis of the response of systemswhen subjected to a sinusoidal change in input. When a linear system is subjected to a sinusoidal input, its ultimate response is also a sustained sinusoidal wave, with the same frequency. The figure below compares the output response of a system (solid line) with a sinusoidal input (dashed line) disturbing the system