← lab index
Waveform & Fourier Transform
Draw a waveform (or pick a preset), see its Fourier frequency spectrum in real time
Draw Mode
Clear
Sine
Square
Sawtooth
Triangle
Chirp
Noise
Harmonics shown
Draw on the waveform canvas to create your signal
Waveform (draw here)
Frequency Spectrum (DFT magnitude)
Reconstructed from selected harmonics