Applying a Window function helps us to get extra control on the characteristics of a filter. The desired filter is truncated with a window function. If the desired window is not given then it is decided depending on the values of As.
The different types of windowing functions are:
1) Hamming Window
2) Hanning Window
3) Rectangular Window
4) Blackman Window
5) Bartlett Window
The different types of windowing functions are:
1) Hamming Window
2) Hanning Window
3) Rectangular Window
4) Blackman Window
5) Bartlett Window
Rectangular window is generally not preferred due to low value of stop band attenuation.
ReplyDeleteWindow selection depends on attenuation in stopband
ReplyDeleteHanning Window gives a good response
ReplyDeleteAs we go from rectangular window function to hanning window, we get smoother response which reduces Gibbs phenomenon.
ReplyDeleteWindow functions can be changed according to the requirements.
ReplyDelete