The accuracy of the FDTD simulation results depends on the right choice of temporal waveform. EM.Tempo's default waveform choice is a modulated Gaussian pulse. At the end of an FDTD simulation, the time domain field data are transformed into the frequency domain at your specified frequency or bandwidth to produce the desired observables.
[[Image:MORE.png|40px]] Click here to learn more about EM.Tempo's '''[[Waveforms and Discrete Fourier Transforms | Standard Waveforms and Discrete Fourier Transforms]]'''.
{{Note|All of EM.Tempo's excitation sources have a default modulated Gaussian pulse waveform unless you change them.}}