Title :
Least squares convolution: A method to improve the fidelity of convolution in transient circuit simulation
Author :
Tsuk, Michael ; Lalgudi, Subramanian
Author_Institution :
Ansoft LLC, Burlington, MA, USA
Abstract :
The use of the fast Fourier transform to generate impulse responses from frequency-domain data is shown to have some pitfalls for transient circuit simulation. A new technique, least squares convolution (LSC), resolves these.
Keywords :
circuit simulation; fast Fourier transforms; frequency-domain analysis; least squares approximations; pulse generators; transient response; convolution fidelity; fast Fourier transform; frequency-domain data; impulse response generation; least squares convolution; transient circuit simulation; Bandwidth; Circuit simulation; Convolution; Discrete Fourier transforms; Extrapolation; Fast Fourier transforms; Frequency domain analysis; Frequency response; Interpolation; Least squares methods;
Conference_Titel :
Electrical Performance of Electronic Packaging and Systems, 2009. EPEPS '09. IEEE 18th Conference on
Conference_Location :
Portland, OR
Print_ISBN :
978-1-4244-4447-2
Electronic_ISBN :
978-1-4244-5646-8
DOI :
10.1109/EPEPS.2009.5338475