Upsampling

Creator

Creator

Created

Created

2023 Nov 6 6:46

Editor

Editor

Edited

Edited

2023 Nov 14 18:51

Refs

Refs

Increasing frequency rate with factor $L$

Expander is

x_i[n] = x_c(nT/L) = x[n/L]

(else is 0 except

n

is integer)

X_e(e^{j\omega}) = X(e^{j\omega L})

notion image

notion image

You may need LFW which means

Sinc interpolation that fill 0 data part

TF of Boxcar Signal

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