inverse fast fourier transform

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ashumtech

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Hi,
I am doing work on inverse scattering of electromagnetics and i need to know , how to calculate the multiplying constant that we multiply while calculating the inverse FFT of waves from wavenumber to space domain.
help plz.
 

i am writting the code for inverse FFT of wavenumber to lambda domain.
what factor would be required for multiplying after taking inverse transform using matlab ifft function.
 

lambda = c/f % c is speed of light, then your frequency axis should divide c(speed of light);
 

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