Np hanning

1. What is Hanning in Python?
2. What is Hamming and Hanning?
3. Is Hann and Hanning window same?
4. Which is better Hamming or Hanning?

What is Hanning in Python?

The HANNING function is used to create a “window” for Fourier Transform filtering. It can be used to create both Hanning and Hamming windows. This routine is written in the IDL language. Its source code can be found in the file hanning.pro in the lib subdirectory of the IDL distribution.

What is Hamming and Hanning?

Hamming and Hanning

The difference between them is that the Hanning window touches zero at both ends, removing any discontinuity. The Hamming window stops just shy of zero, meaning that the signal will still have a slight discontinuity.

Is Hann and Hanning window same?

The Hanning was named for Julius von Hann, an Austrian meteorologist. It is also known as the Cosine Bell. Some authors prefer that it be called a Hann window, to help avoid confusion with the very similar Hamming window.

Which is better Hamming or Hanning?

The first side lobe of the Hamming is lower (i.e. Hamming is better) than the first side lobe of the Hanning, but the “distant” side lobes of the Hanning are lower than the Hamming (thus the Hanning is better in that regard).