def propagate(self, *carriers):
for propagated_carrier in propagate_raman_fiber(self, *carriers):
chromatic_dispersion = propagated_carrier.chromatic_dispersion + \
self.chromatic_dispersion(propagated_carrier.frequency)
pmd = sqrt(propagated_carrier.pmd**2 + self.pmd**2)
propagated_carrier = propagated_carrier._replace(chromatic_dispersion=chromatic_dispersion, pmd=pmd)
yield propagated_carrier
def propagate(self, *carriers):
for propagated_carrier in propagate_raman_fiber(self, *carriers):
yield propagated_carrier