DSP-Design of IIR filters from analog filters Approximation of

What is the primary purpose of designing IIR filters from analog filters?

• To convert continuous-time signals to discrete-time signals
• To convert discrete-time signals to continuous-time signals
• To approximate derivatives of continuous-time signals
• To approximate derivatives of discrete-time signals

Which method is commonly used for designing IIR filters from analog filters?

• Impulse Invariance
• Bilinear Transformation
• Least Squares
• Parks-McClellan

Which type of IIR filter design method preserves the magnitude response of the original analog filter in the passband?

• Impulse Invariance
• Bilinear Transformation
• Least Squares
• Parks-McClellan

Which type of IIR filter design method maps the entire analog frequency range to the digital frequency range?

• Impulse Invariance
• Bilinear Transformation
• Least Squares
• Parks-McClellan

Which type of IIR filter design method is based on the minimization of the error between the desired and actual frequency responses?

• Impulse Invariance
• Bilinear Transformation
• Least Squares
• Parks-McClellan

Which type of IIR filter design method provides a better trade-off between frequency response accuracy and filter order?

• Impulse Invariance
• Bilinear Transformation
• Least Squares
• Parks-McClellan