Haar Mother Wavelet definida com a função piecewise do numpy

Posted on Thu 04 April 2019 in Python • Tagged with python, numpy, wavelets

A equação mãe da Wavelet de Haar é definida por um pulso quadrado com as seguintes caraterísticas:


Continue reading

Simple signal, bandstop filter and FFT analysis

Posted on Wed 12 October 2016 in Python • Tagged with python, numpy, fft, scipy, filter

Simple example of signal generation and application of a bandstop butterworth filter in python.


Continue reading

Tutorial: Pandas Dataframe to Numpy Array and store in HDF5

Posted on Sat 06 September 2014 in Python • Tagged with python, hdf5, pandas, numpy, h5py

Convert a pandas dataframe in a numpy array, store data in a file HDF5 and return as numpy array or dataframe.


Continue reading