5.1 Calculate the impulse response of an ideal low-pass filter. - YouTube
Low-pass filter - Wikipedia
Finite Impulse Response (FIR) Filters | Wireless Pi
Infinite Impulse Response (IIR) Digital Low-Pass Filter Design by Butterworth Method - Wolfram Demonstrations Project
Low-Pass Filter - MATLAB & Simulink
Filters: When, Why, and How (Not) to Use Them - ScienceDirect
Construction, frequency and impulse response of Butterworth filters
Digital Filtering
transfer function - I needed to find the impulse response of the low-pass RC filter described by the differential equation and the output - Electrical Engineering Stack Exchange
SPTK: Ideal Filters – Cyclostationary Signal Processing