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

7 votes148 views1 answer
How to find the location of a character in a string in python
Python
0 vote109 views1 answer
Programmer tool
Python
0 vote107 views1 answer
Custom keyboard telegram bot python
Python
36 votes117 views4 answers
Python sum
Python
2 votes103 views1 answer
Tk table python
Python
0 vote100 views1 answer
Length of list without len function
Python
0 vote125 views1 answer
Form action in django
Python
0 vote98 views1 answer
Install python package from git colab
Python
2 votes121 views1 answer
Discord.py get guild member list
Python
0 vote98 views1 answer
Kinesis Client get_records example
Python