# upsampling in the frequency domain

I have the Fourier transform $$S(\nu)$$. If I oversample by a factor $$R$$ in the frequency domain. Does the duration of the signal $$s(t)=IFFT(S(\nu))$$ change?

• You seem to be mixing continuous-time and discrete-time concepts here. Could you try to clarify what you mean? At the same time, review the concept of "duration" of a discrete-time signal. – MBaz Feb 19 at 15:36