The product of the transfer function and FFT spectrum of source voltage is further IFFT to the voltage waveform on load of test equipment.

• 并与拉氏解析法所得之波形比较验证当电路时间常数甚小于电源脉波波宽则仪器负载上之脉波波形受上升与下降时间之影响亦只佔甚小之比率。