Apply butterworth filter python

>>> from scipy import signal
>>> import matplotlib.pyplot as plt

Source: docs.scipy.org

Apply butterworth filter python

>>> b, a = signal.butter(4, 100, 'low', analog=True)
>>> w, h = signal.freqs(b, a)
>>> plt.semilogx(w, 20 * np.log10(abs(h)))
>>> plt.title('Butterworth filter frequency response')
>>> plt.xlabel('Frequency [radians / second]')
>>> plt.ylabel('Amplitude [dB]')
>>> plt.margins(0, 0.1)
>>> plt.grid(which='both', axis='both')
>>> plt.axvline(100, color='green') # cutoff frequency
>>> plt.show()

Source: docs.scipy.org

Similar codes

0 vote185 views1 answer
Create jwt token python
Python
0 vote198 views1 answer
Python lxml get parent
Python
2 votes194 views1 answer
Cos in python in degrees
Python
2 votes201 views2 answers
Can immigrants vote in uk
Python
4 votes204 views1 answer
Change default option optionmenu tkinter
Python
0 vote178 views1 answer
Summation django queryset
Python
4 votes178 views1 answer
Stack data structure python
Python
12 votes200 views3 answers
How to get the url of the current page in selenium python
Python
0 vote224 views1 answer
Cannot access modules from neighbouring directories jupyter notebook
Python
0 vote224 views1 answer
Vertica long running queries
Python