Software Filters Tutorial

Many times it is advisable to filter test data in order to decrease noise and increase measurement accuracy.

Examples of software filters,

  • Download and run MATLAB code for 16-Point Averaver


    16-Point Averager   Note the first zero at Fs/16 = 625 Hz

  • Download and run MATLAB code for first order lowpass


    First order lowpass filter

  • Download and run MATLAB code for an improved first order lowpass


    Improved first order lowpass filter

  • Download and run code for a Butterworth Low pass


    Second order Butterworth lowpass filter