Power cepstrum

This sample implements the calculation of power cepstrum and power spectrum. The signal under consideration is generated by amplitude modulation based on two sine waves, a carrier frequency and a modulation frequency.

The source code for the sample is available for download from here:

PowerCepstrum_Sample.zip

Block diagram

Power cepstrum 1:

Program parameters

The table below shows a list of important parameters for the configuration of the function blocks that are used.

FFT length

4096

Window size

4096

Buffer size

2048

Requirements

Development environment

Target platform

PLC libraries to include

TwinCAT v3.1.4018

PC or CX (x86, x64)

Tc3_CM, Tc3_CM_Base, Tc3_MultiArray