Before revision: 350px|Responses of the filter ( solid ), and its discrete-time approximation ( dashed ), for nominal cutoff frequency of 1 Hz, sample rate 1/T = 10 Hz.
After revision: 350px|Responses of the filter ( dashed ), and its discrete-time approximation ( solid ), for nominal cutoff frequency of 1 Hz, sample rate 1/T = 10 Hz.