Generation of Ground Roll in seismic traces

I have generated a shot gather and now I want to add ground roll in it. I have found a eqation showing ground roll but can not write a code using this eqation. I have attached a picture of the equation. Please help me to generate ground roll. Here g(t,x) is ground roll please help by writting

code for g(t,x)

[Rafael Manenti]

Can you provide the reference of this article you posted?

[Sumana Mondal]

here is the paper