nikodimka wrote: >You can calculate your tranformation for the input signal S(x_i) once >And the same transformation for S(x_i)+1 again. >I mean two similar input signals differing in one bit of value. >So when you have two output saignals you can calculate >the error due to aliasing: abs( F(S(x_i)) - F(S(x_i)+1) )
>(Or is it just a trivial thing and it doesnt work and >this is not what you discuss?) it seems to me you're referring to what is commonly called quantization error. quantization is rarely an issue with 32-bit float DSP, less so with doubles. tim
