$Ψ_{1}$	$ω = ω_{0} + c p$	$U_{1} = \cos (p x - (ω_{0} + c p) t)$
$Ψ_{1}$	$ω = ω_{0} - c p$	$D_{1} = \sin (p x - (ω_{0} - c p) t)$
$Ψ_{4}$	$ω = - ω_{0} - c p$	$U_{4} = \sin (p x + (ω_{0} + c p) t)$
$Ψ_{4}$	$ω = - ω_{0} + c p$	$D_{4} = \cos (p x + (ω_{0} - c p) t)$
$Ψ_{2}$	$ω = ω_{0} + c p$	$U_{2} = \cos (p x - (ω_{0} + c p) t)$
$Ψ_{2}$	$ω = ω_{0} - c p$	$D_{2} = \sin (p x - (ω_{0} - c p) t)$
$Ψ_{3}$	$ω = - ω_{0} + c p$	$U_{3} = \sin (p x + (ω_{0} - c p) t)$
$Ψ_{3}$	$ω = - ω_{0} - c p$	$D_{3} = \cos (p x + (ω_{0} + c p) t)$