Frequency Time Conversion Based on Minimum Phase Signal

Frequency-time conversion is essential for transient pimulation. This paper uses the Kolmogoroff method to reconstruct time domain waveform by frequency domain amplitude spectrum. Based on the principle of minimum phase signal, this method constructs the phase information by the known frequency domain amplitude spectrum and then obtains the corresponding time domain waveform. The simulation result shows that the minimum phase signal amplitude spectrum waveform obtained by this method matches well with the given amplitude spectrum waveform.