Noise synthetic using FDSim

Dear Admin,
I have FDSim code. I want to use it to generate noise synthetic. But I have no RANSOURCE or SETSOURCE. Could you provide me? If not, could you tell me the algorithm of RANSOURCE?
Thanks
Best regards,
Pang
I have FDSim code. I want to use it to generate noise synthetic. But I have no RANSOURCE or SETSOURCE. Could you provide me? If not, could you tell me the algorithm of RANSOURCE?
Thanks
Best regards,
Pang