This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Exponential window and frequency response dB decay. Window function and frequency response Exponential dB decay svg en Exponential window and frequency response with the time constant set to decay dB own Luegge Bob Olli Niemitalo Octave commands File Windowfunction rectangular Octavecommands Window function Images with Matlab