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[SOLVED] Post-processing FFT in Matlab of 2-1 MASH sigma delta modu.

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shaq

shaq

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fft matlab sigma delta

Dear all,

I'm designing a 2-1 MASH sigma-delta modulator. The structure is shown in Q1.jpg.
I run simulation in Hspice and grab the data from lis file.
Now, Y1 and Y2 I have already done well which their matrix size of 8192*1.

Error cancellation filters is shown in Q2.gif.

I don't know how to simuluate SNR of y from two given Y1 and Y2.
Plz tell me how to do.
 

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