Unwrap
Purpose
Description
Macro Synopsis
Example
Modules
Related Functions
Purpose
Unwrap a signal out of a given interval
Description
"Unwrap" maps a signal wrapped into an interval
to its full range along the y-axis by adding
multiples of the interval width b-a to single data values in order to make the result as smooth as possible.
Parameters of "Unwrap" are
- the lower border a and
- the upper border b of the interval.
Macro Synopsis
y = Unwrap(x,a,b);
signal x,y;
float a,b;
Example
// x is a complex signal
pi=3.14159265358979;
y = Cart2Pol(x);
phase = Extract(x,2,2); // phase, wrapped into (-pi,pi)
uphase = Unwrap(phase,-pi,pi);
Modules
Student, Professional
Related Functions
Wrap, Envelope, Resample,
Subsample.