(2) Simple high-pass FIR filter examples

Filter length L = 2

Define impulse response sequence

Frequency response function

Plots of frequency response function

Plots of frequency response function as a function of

Output of system with noisy sinusoidal input

Filter length L = 3

Define impulse response sequence

Frequency response function

Plots of frequency response function

Plots of frequency response function as a function of

Output of system with noisy sinusoidal input

Filter length L = 4

Define impulse response sequence

Frequency response function

Plots of frequency response function

Plots of frequency response function as a function of

Output of system with noisy sinusoidal input

Filter length L = 5

Define impulse response sequence

Frequency response function

Plots of frequency response function

Plots of frequency response function as a function of

Output of system with noisy sinusoidal input