Propagate signal from one location to another

hello, some one can explain me what is phased.FreeSpace System object what i need to do to use it.

i need to model electromagnetic wave spreading in the room.

but i dont know how to use phased.FreeSpace and what is system object.

Answer 1

[mounika]

Check the below link, this has an example on how to use phased.FreeSpace:

https://in.mathworks.com/help/phased/ref/phased.freespace-system-object.html?s_tid=answers_rc2-2_p5_MLT#bso3wxc-5