{{Note|All of [[EM.Tempo]]'s excitation sources have a default modulated Gaussian pulse waveform unless you change them.}}
[[Image:Info_icon.png|30px]] Click here to learn more about [[EM.Tempo]]'s '''[[Basic FDTD TheoryBasic_Principles_of_The_Finite_Difference_Time_Domain_Method#The Relationship Between Excitation Waveform and FrequencyThe_Relationship_Between_Excitation_Waveform_and_Frequency-Domain Characteristics Domain_Characteristics | Standard & Custom Waveforms and Discrete Fourier Transforms]]'''.
=== Defining Custom Waveforms in EM.Tempo ===