English: A diagram of a maximum voltage over time (V'_mot) along a uniform, lossless, transmission line. This is determined by:

${\displaystyle V_{\mathrm {mot} }=A{\sqrt {4\rho \cos ^{2}kx+(1-\rho )^{2}}}.}$

where:

• ρ is the magnitude of the reflection coefficient.
• A is the ampliutude (in volts)
• k is the wavenumber
• x is the distance along the wire at which we measure

Here, ρ is set to a range of values and A and k are set to 1.

Note that this varies between a constant (equal to A) at 'ρ=0 and a rectified sinusoid of amplitude 4A.