unwrap()

This measurement unwraps a phase by changing an absolute jump greater than jump to its 2*jump complement

Syntax
y = unwrap(phase, jump)

Arguments

Name	Description	Range	Type	Default	Required
phase	swept real variable	(-∞, ∞)	real		yes
jump	absolute jump	(-∞, ∞)	integer, real	180.0	no

Examples

a = unwrap(phase(S21))
a = unwrap(phaserad(S21), pi)

Defined in

Built-in

See Also

dev_lin_phase(), diff(), phase(), phasedeg(), phaserad(), ripple()

Notes/Equations

The unwrap function requires that the difference between two succesive data should be less than or greater than 2*jump. Otherwise no jump is made for that phase and the original data is maintained. And, if the number of phase data points is one, no phase is unwrapped and the original data is maintained.