yes, there are several ways for doing it.
By understanding why you need it and what you want to do we could suggest you the best way.
For the moment I can tell you that there are 2 functions, one gives you the normal baseline given the SAR coordinates, and other one the incidence angle give the geographic coordinates:
Img’s are in the format ‘yyyymmdd’
before using them you have to load variables in matlab with the command “fast”